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3942 lines
106 KiB
3942 lines
106 KiB
/*
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* Copyright © 2012 Intel Corporation
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* Copyright © 2015,2019,2021 Collabora, Ltd.
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* Copyright © 2016 NVIDIA Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "config.h"
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include <GLES3/gl3.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <float.h>
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#include <assert.h>
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#include <linux/input.h>
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#include <unistd.h>
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#include "linux-sync-file.h"
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#include "timeline.h"
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#include "gl-renderer.h"
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#include "gl-renderer-internal.h"
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#include "vertex-clipping.h"
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#include "linux-dmabuf.h"
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#include "linux-dmabuf-unstable-v1-server-protocol.h"
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#include "linux-explicit-synchronization.h"
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#include "pixel-formats.h"
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#include "shared/fd-util.h"
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#include "shared/helpers.h"
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#include "shared/platform.h"
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#include "shared/timespec-util.h"
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#include "shared/weston-drm-fourcc.h"
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#include "shared/weston-egl-ext.h"
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#define BUFFER_DAMAGE_COUNT 2
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enum gl_border_status {
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BORDER_STATUS_CLEAN = 0,
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BORDER_TOP_DIRTY = 1 << GL_RENDERER_BORDER_TOP,
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BORDER_LEFT_DIRTY = 1 << GL_RENDERER_BORDER_LEFT,
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BORDER_RIGHT_DIRTY = 1 << GL_RENDERER_BORDER_RIGHT,
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BORDER_BOTTOM_DIRTY = 1 << GL_RENDERER_BORDER_BOTTOM,
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BORDER_ALL_DIRTY = 0xf,
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BORDER_SIZE_CHANGED = 0x10
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};
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struct gl_border_image {
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GLuint tex;
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int32_t width, height;
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int32_t tex_width;
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void *data;
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};
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struct gl_fbo_texture {
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GLuint fbo;
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GLuint tex;
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int32_t width;
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int32_t height;
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};
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struct gl_output_state {
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EGLSurface egl_surface;
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pixman_region32_t buffer_damage[BUFFER_DAMAGE_COUNT];
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int buffer_damage_index;
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enum gl_border_status border_damage[BUFFER_DAMAGE_COUNT];
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struct gl_border_image borders[4];
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enum gl_border_status border_status;
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bool swap_behavior_is_preserved;
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struct weston_matrix output_matrix;
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EGLSyncKHR begin_render_sync, end_render_sync;
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/* struct timeline_render_point::link */
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struct wl_list timeline_render_point_list;
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struct gl_fbo_texture shadow;
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};
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enum buffer_type {
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BUFFER_TYPE_NULL,
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BUFFER_TYPE_SOLID, /* internal solid color surfaces without a buffer */
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BUFFER_TYPE_SHM,
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BUFFER_TYPE_EGL
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};
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struct gl_renderer;
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struct egl_image {
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struct gl_renderer *renderer;
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EGLImageKHR image;
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int refcount;
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};
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enum import_type {
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IMPORT_TYPE_INVALID,
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IMPORT_TYPE_DIRECT,
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IMPORT_TYPE_GL_CONVERSION
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};
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struct dmabuf_image {
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struct linux_dmabuf_buffer *dmabuf;
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int num_images;
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struct egl_image *images[3];
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struct wl_list link;
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enum import_type import_type;
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GLenum target;
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enum gl_shader_texture_variant shader_variant;
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};
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struct dmabuf_format {
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uint32_t format;
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struct wl_list link;
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uint64_t *modifiers;
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unsigned *external_only;
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int num_modifiers;
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};
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struct yuv_plane_descriptor {
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int width_divisor;
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int height_divisor;
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uint32_t format;
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int plane_index;
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};
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enum texture_type {
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TEXTURE_Y_XUXV_WL,
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TEXTURE_Y_UV_WL,
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TEXTURE_Y_U_V_WL,
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TEXTURE_XYUV_WL
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};
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struct yuv_format_descriptor {
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uint32_t format;
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int input_planes;
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int output_planes;
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enum texture_type texture_type;
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struct yuv_plane_descriptor plane[4];
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};
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struct gl_surface_state {
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GLfloat color[4];
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GLuint textures[3];
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int num_textures;
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bool needs_full_upload;
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pixman_region32_t texture_damage;
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/* These are only used by SHM surfaces to detect when we need
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* to do a full upload to specify a new internal texture
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* format */
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GLenum gl_format[3];
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GLenum gl_pixel_type;
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struct egl_image* images[3];
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GLenum target;
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int num_images;
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struct weston_buffer_reference buffer_ref;
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struct weston_buffer_release_reference buffer_release_ref;
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enum buffer_type buffer_type;
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int pitch; /* in pixels */
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int height; /* in pixels */
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bool y_inverted;
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bool direct_display;
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/* Extension needed for SHM YUV texture */
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int offset[3]; /* offset per plane */
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int hsub[3]; /* horizontal subsampling per plane */
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int vsub[3]; /* vertical subsampling per plane */
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struct weston_surface *surface;
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/* Whether this surface was used in the current output repaint.
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Used only in the context of a gl_renderer_repaint_output call. */
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bool used_in_output_repaint;
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struct wl_listener surface_destroy_listener;
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struct wl_listener renderer_destroy_listener;
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struct gl_shader_requirements shader_requirements;
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};
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enum timeline_render_point_type {
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TIMELINE_RENDER_POINT_TYPE_BEGIN,
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TIMELINE_RENDER_POINT_TYPE_END
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};
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struct timeline_render_point {
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struct wl_list link; /* gl_output_state::timeline_render_point_list */
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enum timeline_render_point_type type;
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int fd;
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struct weston_output *output;
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struct wl_event_source *event_source;
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};
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static uint32_t
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gr_gl_version(uint16_t major, uint16_t minor)
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{
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return ((uint32_t)major << 16) | minor;
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}
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static int
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gr_gl_version_major(uint32_t ver)
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{
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return ver >> 16;
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}
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static int
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gr_gl_version_minor(uint32_t ver)
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{
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return ver & 0xffff;
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}
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static inline const char *
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dump_format(uint32_t format, char out[4])
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{
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#if BYTE_ORDER == BIG_ENDIAN
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format = __builtin_bswap32(format);
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#endif
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memcpy(out, &format, 4);
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return out;
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}
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static inline struct gl_output_state *
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get_output_state(struct weston_output *output)
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{
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return (struct gl_output_state *)output->renderer_state;
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}
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static int
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gl_renderer_create_surface(struct weston_surface *surface);
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static inline struct gl_surface_state *
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get_surface_state(struct weston_surface *surface)
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{
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if (!surface->renderer_state)
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gl_renderer_create_surface(surface);
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return (struct gl_surface_state *)surface->renderer_state;
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}
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static bool
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shadow_exists(const struct gl_output_state *go)
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{
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return go->shadow.fbo != 0;
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}
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static void
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timeline_render_point_destroy(struct timeline_render_point *trp)
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{
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wl_list_remove(&trp->link);
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wl_event_source_remove(trp->event_source);
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close(trp->fd);
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free(trp);
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}
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static int
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timeline_render_point_handler(int fd, uint32_t mask, void *data)
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{
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struct timeline_render_point *trp = data;
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const char *tp_name = trp->type == TIMELINE_RENDER_POINT_TYPE_BEGIN ?
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"renderer_gpu_begin" : "renderer_gpu_end";
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if (mask & WL_EVENT_READABLE) {
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struct timespec tspec = { 0 };
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if (weston_linux_sync_file_read_timestamp(trp->fd,
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&tspec) == 0) {
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TL_POINT(trp->output->compositor, tp_name, TLP_GPU(&tspec),
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TLP_OUTPUT(trp->output), TLP_END);
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}
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}
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timeline_render_point_destroy(trp);
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return 0;
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}
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static EGLSyncKHR
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create_render_sync(struct gl_renderer *gr)
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{
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static const EGLint attribs[] = { EGL_NONE };
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if (!gr->has_native_fence_sync)
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return EGL_NO_SYNC_KHR;
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return gr->create_sync(gr->egl_display, EGL_SYNC_NATIVE_FENCE_ANDROID,
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attribs);
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}
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static void
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timeline_submit_render_sync(struct gl_renderer *gr,
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struct weston_output *output,
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EGLSyncKHR sync,
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enum timeline_render_point_type type)
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{
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struct gl_output_state *go;
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struct wl_event_loop *loop;
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int fd;
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struct timeline_render_point *trp;
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if (!weston_log_scope_is_enabled(gr->compositor->timeline) ||
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!gr->has_native_fence_sync ||
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sync == EGL_NO_SYNC_KHR)
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return;
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go = get_output_state(output);
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loop = wl_display_get_event_loop(gr->compositor->wl_display);
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fd = gr->dup_native_fence_fd(gr->egl_display, sync);
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if (fd == EGL_NO_NATIVE_FENCE_FD_ANDROID)
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return;
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trp = zalloc(sizeof *trp);
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if (trp == NULL) {
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close(fd);
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return;
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}
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trp->type = type;
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trp->fd = fd;
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trp->output = output;
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trp->event_source = wl_event_loop_add_fd(loop, fd,
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WL_EVENT_READABLE,
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timeline_render_point_handler,
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trp);
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wl_list_insert(&go->timeline_render_point_list, &trp->link);
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}
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static struct egl_image*
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egl_image_create(struct gl_renderer *gr, EGLenum target,
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EGLClientBuffer buffer, const EGLint *attribs)
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{
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struct egl_image *img;
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img = zalloc(sizeof *img);
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img->renderer = gr;
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img->refcount = 1;
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img->image = gr->create_image(gr->egl_display, EGL_NO_CONTEXT,
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target, buffer, attribs);
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if (img->image == EGL_NO_IMAGE_KHR) {
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free(img);
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return NULL;
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}
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return img;
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}
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static struct egl_image*
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egl_image_ref(struct egl_image *image)
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{
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image->refcount++;
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return image;
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}
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static int
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egl_image_unref(struct egl_image *image)
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{
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struct gl_renderer *gr = image->renderer;
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assert(image->refcount > 0);
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image->refcount--;
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if (image->refcount > 0)
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return image->refcount;
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gr->destroy_image(gr->egl_display, image->image);
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free(image);
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return 0;
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}
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static struct dmabuf_image*
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dmabuf_image_create(void)
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{
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struct dmabuf_image *img;
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img = zalloc(sizeof *img);
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wl_list_init(&img->link);
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return img;
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}
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static void
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dmabuf_image_destroy(struct dmabuf_image *image)
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{
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int i;
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for (i = 0; i < image->num_images; ++i)
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egl_image_unref(image->images[i]);
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if (image->dmabuf)
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linux_dmabuf_buffer_set_user_data(image->dmabuf, NULL, NULL);
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wl_list_remove(&image->link);
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free(image);
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}
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#define max(a, b) (((a) > (b)) ? (a) : (b))
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#define min(a, b) (((a) > (b)) ? (b) : (a))
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/*
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* Compute the boundary vertices of the intersection of the global coordinate
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* aligned rectangle 'rect', and an arbitrary quadrilateral produced from
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* 'surf_rect' when transformed from surface coordinates into global coordinates.
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* The vertices are written to 'ex' and 'ey', and the return value is the
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* number of vertices. Vertices are produced in clockwise winding order.
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* Guarantees to produce either zero vertices, or 3-8 vertices with non-zero
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* polygon area.
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*/
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static int
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calculate_edges(struct weston_view *ev, pixman_box32_t *rect,
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pixman_box32_t *surf_rect, GLfloat *ex, GLfloat *ey)
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{
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struct clip_context ctx;
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int i, n;
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GLfloat min_x, max_x, min_y, max_y;
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struct polygon8 surf = {
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{ surf_rect->x1, surf_rect->x2, surf_rect->x2, surf_rect->x1 },
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{ surf_rect->y1, surf_rect->y1, surf_rect->y2, surf_rect->y2 },
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4
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};
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ctx.clip.x1 = rect->x1;
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ctx.clip.y1 = rect->y1;
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ctx.clip.x2 = rect->x2;
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ctx.clip.y2 = rect->y2;
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/* transform surface to screen space: */
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for (i = 0; i < surf.n; i++)
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weston_view_to_global_float(ev, surf.x[i], surf.y[i],
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&surf.x[i], &surf.y[i]);
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/* find bounding box: */
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min_x = max_x = surf.x[0];
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min_y = max_y = surf.y[0];
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for (i = 1; i < surf.n; i++) {
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min_x = min(min_x, surf.x[i]);
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max_x = max(max_x, surf.x[i]);
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min_y = min(min_y, surf.y[i]);
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max_y = max(max_y, surf.y[i]);
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}
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/* First, simple bounding box check to discard early transformed
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* surface rects that do not intersect with the clip region:
|
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*/
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if ((min_x >= ctx.clip.x2) || (max_x <= ctx.clip.x1) ||
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(min_y >= ctx.clip.y2) || (max_y <= ctx.clip.y1))
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return 0;
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|
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/* Simple case, bounding box edges are parallel to surface edges,
|
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* there will be only four edges. We just need to clip the surface
|
|
* vertices to the clip rect bounds:
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|
*/
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if (!ev->transform.enabled)
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return clip_simple(&ctx, &surf, ex, ey);
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|
|
/* Transformed case: use a general polygon clipping algorithm to
|
|
* clip the surface rectangle with each side of 'rect'.
|
|
* The algorithm is Sutherland-Hodgman, as explained in
|
|
* http://www.codeguru.com/cpp/misc/misc/graphics/article.php/c8965/Polygon-Clipping.htm
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|
* but without looking at any of that code.
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|
*/
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n = clip_transformed(&ctx, &surf, ex, ey);
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if (n < 3)
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return 0;
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return n;
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}
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|
|
static bool
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merge_down(pixman_box32_t *a, pixman_box32_t *b, pixman_box32_t *merge)
|
|
{
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if (a->x1 == b->x1 && a->x2 == b->x2 && a->y1 == b->y2) {
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merge->x1 = a->x1;
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merge->x2 = a->x2;
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merge->y1 = b->y1;
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merge->y2 = a->y2;
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return true;
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}
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return false;
|
|
}
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|
|
|
static int
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compress_bands(pixman_box32_t *inrects, int nrects, pixman_box32_t **outrects)
|
|
{
|
|
bool merged = false;
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|
pixman_box32_t *out, merge_rect;
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|
int i, j, nout;
|
|
|
|
if (!nrects) {
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*outrects = NULL;
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return 0;
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|
}
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|
|
/* nrects is an upper bound - we're not too worried about
|
|
* allocating a little extra
|
|
*/
|
|
out = malloc(sizeof(pixman_box32_t) * nrects);
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|
out[0] = inrects[0];
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nout = 1;
|
|
for (i = 1; i < nrects; i++) {
|
|
for (j = 0; j < nout; j++) {
|
|
merged = merge_down(&inrects[i], &out[j], &merge_rect);
|
|
if (merged) {
|
|
out[j] = merge_rect;
|
|
break;
|
|
}
|
|
}
|
|
if (!merged) {
|
|
out[nout] = inrects[i];
|
|
nout++;
|
|
}
|
|
}
|
|
*outrects = out;
|
|
return nout;
|
|
}
|
|
|
|
static int
|
|
texture_region(struct weston_view *ev,
|
|
pixman_region32_t *region,
|
|
pixman_region32_t *surf_region)
|
|
{
|
|
struct gl_surface_state *gs = get_surface_state(ev->surface);
|
|
struct weston_compositor *ec = ev->surface->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
GLfloat *v, inv_width, inv_height;
|
|
unsigned int *vtxcnt, nvtx = 0;
|
|
pixman_box32_t *rects, *surf_rects;
|
|
pixman_box32_t *raw_rects;
|
|
int i, j, k, nrects, nsurf, raw_nrects;
|
|
bool used_band_compression;
|
|
raw_rects = pixman_region32_rectangles(region, &raw_nrects);
|
|
surf_rects = pixman_region32_rectangles(surf_region, &nsurf);
|
|
|
|
if (raw_nrects < 4) {
|
|
used_band_compression = false;
|
|
nrects = raw_nrects;
|
|
rects = raw_rects;
|
|
} else {
|
|
nrects = compress_bands(raw_rects, raw_nrects, &rects);
|
|
used_band_compression = true;
|
|
}
|
|
/* worst case we can have 8 vertices per rect (ie. clipped into
|
|
* an octagon):
|
|
*/
|
|
v = wl_array_add(&gr->vertices, nrects * nsurf * 8 * 4 * sizeof *v);
|
|
vtxcnt = wl_array_add(&gr->vtxcnt, nrects * nsurf * sizeof *vtxcnt);
|
|
|
|
inv_width = 1.0 / gs->pitch;
|
|
inv_height = 1.0 / gs->height;
|
|
|
|
for (i = 0; i < nrects; i++) {
|
|
pixman_box32_t *rect = &rects[i];
|
|
for (j = 0; j < nsurf; j++) {
|
|
pixman_box32_t *surf_rect = &surf_rects[j];
|
|
GLfloat sx, sy, bx, by;
|
|
GLfloat ex[8], ey[8]; /* edge points in screen space */
|
|
int n;
|
|
|
|
/* The transformed surface, after clipping to the clip region,
|
|
* can have as many as eight sides, emitted as a triangle-fan.
|
|
* The first vertex in the triangle fan can be chosen arbitrarily,
|
|
* since the area is guaranteed to be convex.
|
|
*
|
|
* If a corner of the transformed surface falls outside of the
|
|
* clip region, instead of emitting one vertex for the corner
|
|
* of the surface, up to two are emitted for two corresponding
|
|
* intersection point(s) between the surface and the clip region.
|
|
*
|
|
* To do this, we first calculate the (up to eight) points that
|
|
* form the intersection of the clip rect and the transformed
|
|
* surface.
|
|
*/
|
|
n = calculate_edges(ev, rect, surf_rect, ex, ey);
|
|
if (n < 3)
|
|
continue;
|
|
|
|
/* emit edge points: */
|
|
for (k = 0; k < n; k++) {
|
|
weston_view_from_global_float(ev, ex[k], ey[k],
|
|
&sx, &sy);
|
|
/* position: */
|
|
*(v++) = ex[k];
|
|
*(v++) = ey[k];
|
|
/* texcoord: */
|
|
weston_surface_to_buffer_float(ev->surface,
|
|
sx, sy,
|
|
&bx, &by);
|
|
*(v++) = bx * inv_width;
|
|
if (gs->y_inverted) {
|
|
*(v++) = by * inv_height;
|
|
} else {
|
|
*(v++) = (gs->height - by) * inv_height;
|
|
}
|
|
}
|
|
|
|
vtxcnt[nvtx++] = n;
|
|
}
|
|
}
|
|
|
|
if (used_band_compression)
|
|
free(rects);
|
|
return nvtx;
|
|
}
|
|
|
|
/** Create a texture and a framebuffer object
|
|
*
|
|
* \param fbotex To be initialized.
|
|
* \param width Texture width in pixels.
|
|
* \param height Texture heigh in pixels.
|
|
* \param internal_format See glTexImage2D.
|
|
* \param format See glTexImage2D.
|
|
* \param type See glTexImage2D.
|
|
* \return True on success, false otherwise.
|
|
*/
|
|
static bool
|
|
gl_fbo_texture_init(struct gl_fbo_texture *fbotex,
|
|
int32_t width,
|
|
int32_t height,
|
|
GLint internal_format,
|
|
GLenum format,
|
|
GLenum type)
|
|
{
|
|
int fb_status;
|
|
GLuint shadow_fbo;
|
|
GLuint shadow_tex;
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glGenTextures(1, &shadow_tex);
|
|
glBindTexture(GL_TEXTURE_2D, shadow_tex);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, internal_format, width, height, 0,
|
|
format, type, NULL);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
|
|
glGenFramebuffers(1, &shadow_fbo);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, shadow_fbo);
|
|
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
GL_TEXTURE_2D, shadow_tex, 0);
|
|
|
|
fb_status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
|
|
|
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
|
|
|
if (fb_status != GL_FRAMEBUFFER_COMPLETE) {
|
|
glDeleteFramebuffers(1, &shadow_fbo);
|
|
glDeleteTextures(1, &shadow_tex);
|
|
return false;
|
|
}
|
|
|
|
fbotex->fbo = shadow_fbo;
|
|
fbotex->tex = shadow_tex;
|
|
fbotex->width = width;
|
|
fbotex->height = height;
|
|
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
gl_fbo_texture_fini(struct gl_fbo_texture *fbotex)
|
|
{
|
|
glDeleteFramebuffers(1, &fbotex->fbo);
|
|
fbotex->fbo = 0;
|
|
glDeleteTextures(1, &fbotex->tex);
|
|
fbotex->tex = 0;
|
|
}
|
|
|
|
static struct gl_shader *
|
|
gl_renderer_get_program(struct gl_renderer *gr,
|
|
const struct gl_shader_requirements *requirements)
|
|
{
|
|
struct gl_shader_requirements reqs = *requirements;
|
|
struct gl_shader *shader;
|
|
|
|
assert(reqs.pad_bits_ == 0);
|
|
|
|
if (gr->fragment_shader_debug)
|
|
reqs.green_tint = true;
|
|
|
|
if (gr->current_shader &&
|
|
gl_shader_requirements_cmp(&reqs, &gr->current_shader->key) == 0)
|
|
return gr->current_shader;
|
|
|
|
wl_list_for_each(shader, &gr->shader_list, link) {
|
|
if (gl_shader_requirements_cmp(&reqs, &shader->key) == 0)
|
|
return shader;
|
|
}
|
|
|
|
shader = gl_shader_create(gr, &reqs);
|
|
if (shader)
|
|
return shader;
|
|
|
|
weston_log("warning: failed to generate gl program\n");
|
|
return NULL;
|
|
}
|
|
|
|
static struct gl_shader *
|
|
gl_renderer_create_fallback_shader(struct gl_renderer *gr)
|
|
{
|
|
static const struct gl_shader_requirements fallback_requirements = {
|
|
.variant = SHADER_VARIANT_SOLID,
|
|
};
|
|
struct gl_shader *shader;
|
|
|
|
shader = gl_shader_create(gr, &fallback_requirements);
|
|
if (!shader)
|
|
return NULL;
|
|
|
|
/*
|
|
* This shader must be exempt from any automatic garbage collection.
|
|
* It is destroyed explicitly.
|
|
*/
|
|
wl_list_remove(&shader->link);
|
|
wl_list_init(&shader->link);
|
|
|
|
return shader;
|
|
}
|
|
|
|
static bool
|
|
gl_renderer_use_program(struct gl_renderer *gr, struct gl_shader **shaderp)
|
|
{
|
|
static const GLfloat fallback_shader_color[4] = { 0.2, 0.1, 0.0, 1.0 };
|
|
struct gl_shader *shader = *shaderp;
|
|
|
|
if (!shader) {
|
|
weston_log("Error: trying to use NULL GL shader.\n");
|
|
gr->current_shader = NULL;
|
|
shader = gr->fallback_shader;
|
|
glUseProgram(shader->program);
|
|
glUniform4fv(shader->color_uniform, 1, fallback_shader_color);
|
|
glUniform1f(shader->alpha_uniform, 1.0f);
|
|
*shaderp = shader;
|
|
return false;
|
|
}
|
|
|
|
if (gr->current_shader == shader)
|
|
return true;
|
|
|
|
if (shader != gr->fallback_shader) {
|
|
/* Update list order for most recently used. */
|
|
wl_list_remove(&shader->link);
|
|
wl_list_insert(&gr->shader_list, &shader->link);
|
|
}
|
|
shader->last_used = gr->compositor->last_repaint_start;
|
|
|
|
glUseProgram(shader->program);
|
|
gr->current_shader = shader;
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_garbage_collect_programs(struct gl_renderer *gr)
|
|
{
|
|
struct gl_shader *shader, *tmp;
|
|
unsigned count = 0;
|
|
|
|
wl_list_for_each_safe(shader, tmp, &gr->shader_list, link) {
|
|
/* Keep the 10 most recently used always. */
|
|
if (count++ < 10)
|
|
continue;
|
|
|
|
/* Keep everything used in the past 1 minute. */
|
|
if (timespec_sub_to_msec(&gr->compositor->last_repaint_start,
|
|
&shader->last_used) < 60000)
|
|
continue;
|
|
|
|
/* The rest throw away. */
|
|
gl_shader_destroy(gr, shader);
|
|
}
|
|
}
|
|
|
|
static const struct gl_shader_requirements requirements_triangle_fan = {
|
|
.variant = SHADER_VARIANT_SOLID,
|
|
};
|
|
|
|
static void
|
|
triangle_fan_debug(struct weston_view *view, int first, int count)
|
|
{
|
|
struct weston_compositor *compositor = view->surface->compositor;
|
|
struct gl_renderer *gr = get_renderer(compositor);
|
|
int i;
|
|
GLushort *buffer;
|
|
GLushort *index;
|
|
int nelems;
|
|
static int color_idx = 0;
|
|
struct gl_shader *shader;
|
|
struct gl_shader *prev_shader = gr->current_shader;
|
|
static const GLfloat color[][4] = {
|
|
{ 1.0, 0.0, 0.0, 1.0 },
|
|
{ 0.0, 1.0, 0.0, 1.0 },
|
|
{ 0.0, 0.0, 1.0, 1.0 },
|
|
{ 1.0, 1.0, 1.0, 1.0 },
|
|
};
|
|
|
|
shader = gl_renderer_get_program(gr, &requirements_triangle_fan);
|
|
if (!gl_renderer_use_program(gr, &shader))
|
|
return;
|
|
|
|
nelems = (count - 1 + count - 2) * 2;
|
|
|
|
buffer = malloc(sizeof(GLushort) * nelems);
|
|
index = buffer;
|
|
|
|
for (i = 1; i < count; i++) {
|
|
*index++ = first;
|
|
*index++ = first + i;
|
|
}
|
|
|
|
for (i = 2; i < count; i++) {
|
|
*index++ = first + i - 1;
|
|
*index++ = first + i;
|
|
}
|
|
|
|
glUniform4fv(shader->color_uniform, 1,
|
|
color[color_idx++ % ARRAY_LENGTH(color)]);
|
|
glDrawElements(GL_LINES, nelems, GL_UNSIGNED_SHORT, buffer);
|
|
|
|
gl_renderer_use_program(gr, &prev_shader);
|
|
free(buffer);
|
|
}
|
|
|
|
static void
|
|
repaint_region(struct weston_view *ev, pixman_region32_t *region,
|
|
pixman_region32_t *surf_region)
|
|
{
|
|
struct weston_compositor *ec = ev->surface->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
GLfloat *v;
|
|
unsigned int *vtxcnt;
|
|
int i, first, nfans;
|
|
|
|
/* The final region to be painted is the intersection of
|
|
* 'region' and 'surf_region'. However, 'region' is in the global
|
|
* coordinates, and 'surf_region' is in the surface-local
|
|
* coordinates. texture_region() will iterate over all pairs of
|
|
* rectangles from both regions, compute the intersection
|
|
* polygon for each pair, and store it as a triangle fan if
|
|
* it has a non-zero area (at least 3 vertices, actually).
|
|
*/
|
|
nfans = texture_region(ev, region, surf_region);
|
|
|
|
v = gr->vertices.data;
|
|
vtxcnt = gr->vtxcnt.data;
|
|
|
|
/* position: */
|
|
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[0]);
|
|
glEnableVertexAttribArray(0);
|
|
|
|
/* texcoord: */
|
|
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 4 * sizeof *v, &v[2]);
|
|
glEnableVertexAttribArray(1);
|
|
|
|
for (i = 0, first = 0; i < nfans; i++) {
|
|
glDrawArrays(GL_TRIANGLE_FAN, first, vtxcnt[i]);
|
|
if (gr->fan_debug)
|
|
triangle_fan_debug(ev, first, vtxcnt[i]);
|
|
first += vtxcnt[i];
|
|
}
|
|
|
|
glDisableVertexAttribArray(1);
|
|
glDisableVertexAttribArray(0);
|
|
|
|
gr->vertices.size = 0;
|
|
gr->vtxcnt.size = 0;
|
|
}
|
|
|
|
static int
|
|
use_output(struct weston_output *output)
|
|
{
|
|
static int errored;
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
EGLBoolean ret;
|
|
|
|
ret = eglMakeCurrent(gr->egl_display, go->egl_surface,
|
|
go->egl_surface, gr->egl_context);
|
|
|
|
if (ret == EGL_FALSE) {
|
|
if (errored)
|
|
return -1;
|
|
errored = 1;
|
|
weston_log("Failed to make EGL context current.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_send_shader_error(struct weston_view *view)
|
|
{
|
|
struct wl_resource *resource = view->surface->resource;
|
|
|
|
if (!resource)
|
|
return;
|
|
|
|
wl_client_post_implementation_error(wl_resource_get_client(resource),
|
|
"Weston GL-renderer shader failed for wl_surface@%u",
|
|
wl_resource_get_id(resource));
|
|
}
|
|
|
|
static void
|
|
gl_renderer_use_program_with_view_uniforms(struct gl_renderer *gr,
|
|
struct gl_shader **shaderp,
|
|
struct weston_view *view,
|
|
struct weston_output *output)
|
|
{
|
|
int i;
|
|
struct gl_surface_state *gs = get_surface_state(view->surface);
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_shader *shader;
|
|
bool ok;
|
|
|
|
ok = gl_renderer_use_program(gr, shaderp);
|
|
shader = *shaderp;
|
|
glUniformMatrix4fv(shader->proj_uniform,
|
|
1, GL_FALSE, go->output_matrix.d);
|
|
|
|
if (ok) {
|
|
glUniform4fv(shader->color_uniform, 1, gs->color);
|
|
glUniform1f(shader->alpha_uniform, view->alpha);
|
|
|
|
for (i = 0; i < gs->num_textures; i++)
|
|
glUniform1i(shader->tex_uniforms[i], i);
|
|
} else {
|
|
gl_renderer_send_shader_error(view);
|
|
}
|
|
}
|
|
|
|
static int
|
|
ensure_surface_buffer_is_ready(struct gl_renderer *gr,
|
|
struct gl_surface_state *gs)
|
|
{
|
|
EGLint attribs[] = {
|
|
EGL_SYNC_NATIVE_FENCE_FD_ANDROID,
|
|
-1,
|
|
EGL_NONE
|
|
};
|
|
struct weston_surface *surface = gs->surface;
|
|
struct weston_buffer *buffer = gs->buffer_ref.buffer;
|
|
EGLSyncKHR sync;
|
|
EGLint wait_ret;
|
|
EGLint destroy_ret;
|
|
|
|
if (!buffer)
|
|
return 0;
|
|
|
|
if (surface->acquire_fence_fd < 0)
|
|
return 0;
|
|
|
|
/* We should only get a fence if we support EGLSyncKHR, since
|
|
* we don't advertise the explicit sync protocol otherwise. */
|
|
assert(gr->has_native_fence_sync);
|
|
/* We should only get a fence for non-SHM buffers, since surface
|
|
* commit would have failed otherwise. */
|
|
assert(wl_shm_buffer_get(buffer->resource) == NULL);
|
|
|
|
attribs[1] = dup(surface->acquire_fence_fd);
|
|
if (attribs[1] == -1) {
|
|
linux_explicit_synchronization_send_server_error(
|
|
gs->surface->synchronization_resource,
|
|
"Failed to dup acquire fence");
|
|
return -1;
|
|
}
|
|
|
|
sync = gr->create_sync(gr->egl_display,
|
|
EGL_SYNC_NATIVE_FENCE_ANDROID,
|
|
attribs);
|
|
if (sync == EGL_NO_SYNC_KHR) {
|
|
linux_explicit_synchronization_send_server_error(
|
|
gs->surface->synchronization_resource,
|
|
"Failed to create EGLSyncKHR object");
|
|
close(attribs[1]);
|
|
return -1;
|
|
}
|
|
|
|
wait_ret = gr->wait_sync(gr->egl_display, sync, 0);
|
|
if (wait_ret == EGL_FALSE) {
|
|
linux_explicit_synchronization_send_server_error(
|
|
gs->surface->synchronization_resource,
|
|
"Failed to wait on EGLSyncKHR object");
|
|
/* Continue to try to destroy the sync object. */
|
|
}
|
|
|
|
|
|
destroy_ret = gr->destroy_sync(gr->egl_display, sync);
|
|
if (destroy_ret == EGL_FALSE) {
|
|
linux_explicit_synchronization_send_server_error(
|
|
gs->surface->synchronization_resource,
|
|
"Failed to destroy on EGLSyncKHR object");
|
|
}
|
|
|
|
return (wait_ret == EGL_TRUE && destroy_ret == EGL_TRUE) ? 0 : -1;
|
|
}
|
|
|
|
|
|
/* Checks if a view needs to be censored on an output
|
|
* Checks for 2 types of censor requirements
|
|
* - recording_censor: Censor protected view when a
|
|
* protected view is captured.
|
|
* - unprotected_censor: Censor regions of protected views
|
|
* when displayed on an output which has lower protection capability.
|
|
* Returns a censoring shader if necessary, or the surface's original
|
|
* shader otherwise.
|
|
*/
|
|
static struct gl_shader *
|
|
maybe_censor_override(struct weston_output *output,
|
|
struct weston_view *ev)
|
|
{
|
|
const struct gl_shader_requirements requirements_censor = {
|
|
.variant = SHADER_VARIANT_SOLID,
|
|
};
|
|
struct weston_compositor *ec = ev->surface->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_surface_state *gs = get_surface_state(ev->surface);
|
|
bool recording_censor =
|
|
(output->disable_planes > 0) &&
|
|
(ev->surface->desired_protection > WESTON_HDCP_DISABLE);
|
|
|
|
bool unprotected_censor =
|
|
(ev->surface->desired_protection > output->current_protection);
|
|
|
|
if (gs->direct_display) {
|
|
gs->color[0] = 0.40;
|
|
gs->color[1] = 0.0;
|
|
gs->color[2] = 0.0;
|
|
gs->color[3] = 1.0;
|
|
return gl_renderer_get_program(gr, &requirements_censor);
|
|
}
|
|
|
|
/* When not in enforced mode, the client is notified of the protection */
|
|
/* change, so content censoring is not required */
|
|
if (ev->surface->protection_mode !=
|
|
WESTON_SURFACE_PROTECTION_MODE_ENFORCED)
|
|
return gl_renderer_get_program(gr, &gs->shader_requirements);
|
|
|
|
if (recording_censor || unprotected_censor) {
|
|
gs->color[0] = 0.40;
|
|
gs->color[1] = 0.0;
|
|
gs->color[2] = 0.0;
|
|
gs->color[3] = 1.0;
|
|
return gl_renderer_get_program(gr, &requirements_censor);
|
|
}
|
|
|
|
return gl_renderer_get_program(gr, &gs->shader_requirements);
|
|
}
|
|
|
|
static void
|
|
draw_view(struct weston_view *ev, struct weston_output *output,
|
|
pixman_region32_t *damage) /* in global coordinates */
|
|
{
|
|
struct weston_compositor *ec = ev->surface->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_surface_state *gs = get_surface_state(ev->surface);
|
|
/* repaint bounding region in global coordinates: */
|
|
pixman_region32_t repaint;
|
|
/* opaque region in surface coordinates: */
|
|
pixman_region32_t surface_opaque;
|
|
/* non-opaque region in surface coordinates: */
|
|
pixman_region32_t surface_blend;
|
|
GLint filter;
|
|
int i;
|
|
struct gl_shader *shader;
|
|
|
|
/* In case of a runtime switch of renderers, we may not have received
|
|
* an attach for this surface since the switch. In that case we don't
|
|
* have a valid buffer or a proper shader set up so skip rendering. */
|
|
if (gs->shader_requirements.variant == SHADER_VARIANT_NONE &&
|
|
!gs->direct_display)
|
|
return;
|
|
|
|
pixman_region32_init(&repaint);
|
|
pixman_region32_intersect(&repaint,
|
|
&ev->transform.boundingbox, damage);
|
|
pixman_region32_subtract(&repaint, &repaint, &ev->clip);
|
|
|
|
if (!pixman_region32_not_empty(&repaint))
|
|
goto out;
|
|
|
|
if (ensure_surface_buffer_is_ready(gr, gs) < 0)
|
|
goto out;
|
|
|
|
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
/* The built shader objects are cached in struct
|
|
* gl_renderer::shader_list and retrieved when requested with the same
|
|
* struct gl_shader_requirements. The triangle fan shader is generated
|
|
* here so that the shader uniforms are cached when used later
|
|
*/
|
|
if (gr->fan_debug) {
|
|
shader = gl_renderer_get_program(gr,
|
|
&requirements_triangle_fan);
|
|
gl_renderer_use_program_with_view_uniforms(gr, &shader,
|
|
ev, output);
|
|
}
|
|
|
|
if (ev->transform.enabled || output->zoom.active ||
|
|
output->current_scale != ev->surface->buffer_viewport.buffer.scale)
|
|
filter = GL_LINEAR;
|
|
else
|
|
filter = GL_NEAREST;
|
|
|
|
for (i = 0; i < gs->num_textures; i++) {
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
glBindTexture(gs->target, gs->textures[i]);
|
|
glTexParameteri(gs->target, GL_TEXTURE_MIN_FILTER, filter);
|
|
glTexParameteri(gs->target, GL_TEXTURE_MAG_FILTER, filter);
|
|
}
|
|
|
|
/* blended region is whole surface minus opaque region: */
|
|
pixman_region32_init_rect(&surface_blend, 0, 0,
|
|
ev->surface->width, ev->surface->height);
|
|
if (ev->geometry.scissor_enabled)
|
|
pixman_region32_intersect(&surface_blend, &surface_blend,
|
|
&ev->geometry.scissor);
|
|
pixman_region32_subtract(&surface_blend, &surface_blend,
|
|
&ev->surface->opaque);
|
|
|
|
/* XXX: Should we be using ev->transform.opaque here? */
|
|
pixman_region32_init(&surface_opaque);
|
|
if (ev->geometry.scissor_enabled)
|
|
pixman_region32_intersect(&surface_opaque,
|
|
&ev->surface->opaque,
|
|
&ev->geometry.scissor);
|
|
else
|
|
pixman_region32_copy(&surface_opaque, &ev->surface->opaque);
|
|
|
|
shader = maybe_censor_override(output, ev);
|
|
gl_renderer_use_program_with_view_uniforms(gr, &shader, ev, output);
|
|
|
|
if (pixman_region32_not_empty(&surface_opaque)) {
|
|
if (shader->key.variant == SHADER_VARIANT_RGBA) {
|
|
struct gl_shader_requirements tmp_requirements;
|
|
struct gl_shader *tmp_shader;
|
|
|
|
/* Special case for RGBA textures with possibly
|
|
* bad data in alpha channel: use the shader
|
|
* that forces texture alpha = 1.0.
|
|
* Xwayland surfaces need this.
|
|
*/
|
|
tmp_requirements = shader->key;
|
|
tmp_requirements.variant = SHADER_VARIANT_RGBX;
|
|
tmp_shader = gl_renderer_get_program(gr, &tmp_requirements);
|
|
gl_renderer_use_program_with_view_uniforms(gr,
|
|
&tmp_shader,
|
|
ev, output);
|
|
}
|
|
|
|
if (ev->alpha < 1.0)
|
|
glEnable(GL_BLEND);
|
|
else
|
|
glDisable(GL_BLEND);
|
|
|
|
repaint_region(ev, &repaint, &surface_opaque);
|
|
gs->used_in_output_repaint = true;
|
|
}
|
|
|
|
if (pixman_region32_not_empty(&surface_blend)) {
|
|
gl_renderer_use_program(gr, &shader);
|
|
glEnable(GL_BLEND);
|
|
repaint_region(ev, &repaint, &surface_blend);
|
|
gs->used_in_output_repaint = true;
|
|
}
|
|
|
|
pixman_region32_fini(&surface_blend);
|
|
pixman_region32_fini(&surface_opaque);
|
|
|
|
out:
|
|
pixman_region32_fini(&repaint);
|
|
}
|
|
|
|
static void
|
|
repaint_views(struct weston_output *output, pixman_region32_t *damage)
|
|
{
|
|
struct weston_compositor *compositor = output->compositor;
|
|
struct weston_view *view;
|
|
|
|
wl_list_for_each_reverse(view, &compositor->view_list, link)
|
|
if (view->plane == &compositor->primary_plane)
|
|
draw_view(view, output, damage);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_create_fence_fd(struct weston_output *output);
|
|
|
|
/* Updates the release fences of surfaces that were used in the current output
|
|
* repaint. Should only be used from gl_renderer_repaint_output, so that the
|
|
* information in gl_surface_state.used_in_output_repaint is accurate.
|
|
*/
|
|
static void
|
|
update_buffer_release_fences(struct weston_compositor *compositor,
|
|
struct weston_output *output)
|
|
{
|
|
struct weston_view *view;
|
|
|
|
wl_list_for_each_reverse(view, &compositor->view_list, link) {
|
|
struct gl_surface_state *gs;
|
|
struct weston_buffer_release *buffer_release;
|
|
int fence_fd;
|
|
|
|
if (view->plane != &compositor->primary_plane)
|
|
continue;
|
|
|
|
gs = get_surface_state(view->surface);
|
|
buffer_release = gs->buffer_release_ref.buffer_release;
|
|
|
|
if (!gs->used_in_output_repaint || !buffer_release)
|
|
continue;
|
|
|
|
fence_fd = gl_renderer_create_fence_fd(output);
|
|
|
|
/* If we have a buffer_release then it means we support fences,
|
|
* and we should be able to create the release fence. If we
|
|
* can't, something has gone horribly wrong, so disconnect the
|
|
* client.
|
|
*/
|
|
if (fence_fd == -1) {
|
|
linux_explicit_synchronization_send_server_error(
|
|
buffer_release->resource,
|
|
"Failed to create release fence");
|
|
fd_clear(&buffer_release->fence_fd);
|
|
continue;
|
|
}
|
|
|
|
/* At the moment it is safe to just replace the fence_fd,
|
|
* discarding the previous one:
|
|
*
|
|
* 1. If the previous fence fd represents a sync fence from
|
|
* a previous repaint cycle, that fence fd is now not
|
|
* sufficient to provide the release guarantee and should
|
|
* be replaced.
|
|
*
|
|
* 2. If the fence fd represents a sync fence from another
|
|
* output in the same repaint cycle, it's fine to replace
|
|
* it since we are rendering to all outputs using the same
|
|
* EGL context, so a fence issued for a later output rendering
|
|
* is guaranteed to signal after fences for previous output
|
|
* renderings.
|
|
*
|
|
* Note that the above is only valid if the buffer_release
|
|
* fences only originate from the GL renderer, which guarantees
|
|
* a total order of operations and fences. If we introduce
|
|
* fences from other sources (e.g., plane out-fences), we will
|
|
* need to merge fences instead.
|
|
*/
|
|
fd_update(&buffer_release->fence_fd, fence_fd);
|
|
}
|
|
}
|
|
|
|
static void
|
|
draw_output_border_texture(struct gl_output_state *go,
|
|
enum gl_renderer_border_side side,
|
|
int32_t x, int32_t y,
|
|
int32_t width, int32_t height)
|
|
{
|
|
struct gl_border_image *img = &go->borders[side];
|
|
static GLushort indices [] = { 0, 1, 3, 3, 1, 2 };
|
|
|
|
if (!img->data) {
|
|
if (img->tex) {
|
|
glDeleteTextures(1, &img->tex);
|
|
img->tex = 0;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (!img->tex) {
|
|
glGenTextures(1, &img->tex);
|
|
glBindTexture(GL_TEXTURE_2D, img->tex);
|
|
|
|
glTexParameteri(GL_TEXTURE_2D,
|
|
GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D,
|
|
GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(GL_TEXTURE_2D,
|
|
GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glTexParameteri(GL_TEXTURE_2D,
|
|
GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
} else {
|
|
glBindTexture(GL_TEXTURE_2D, img->tex);
|
|
}
|
|
|
|
if (go->border_status & (1 << side)) {
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
|
|
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0);
|
|
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_BGRA_EXT,
|
|
img->tex_width, img->height, 0,
|
|
GL_BGRA_EXT, GL_UNSIGNED_BYTE, img->data);
|
|
}
|
|
|
|
GLfloat texcoord[] = {
|
|
0.0f, 0.0f,
|
|
(GLfloat)img->width / (GLfloat)img->tex_width, 0.0f,
|
|
(GLfloat)img->width / (GLfloat)img->tex_width, 1.0f,
|
|
0.0f, 1.0f,
|
|
};
|
|
|
|
GLfloat verts[] = {
|
|
x, y,
|
|
x + width, y,
|
|
x + width, y + height,
|
|
x, y + height
|
|
};
|
|
|
|
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, verts);
|
|
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, texcoord);
|
|
glEnableVertexAttribArray(0);
|
|
glEnableVertexAttribArray(1);
|
|
|
|
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices);
|
|
|
|
glDisableVertexAttribArray(1);
|
|
glDisableVertexAttribArray(0);
|
|
}
|
|
|
|
static int
|
|
output_has_borders(struct weston_output *output)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
|
|
return go->borders[GL_RENDERER_BORDER_TOP].data ||
|
|
go->borders[GL_RENDERER_BORDER_RIGHT].data ||
|
|
go->borders[GL_RENDERER_BORDER_BOTTOM].data ||
|
|
go->borders[GL_RENDERER_BORDER_LEFT].data;
|
|
}
|
|
|
|
static void
|
|
draw_output_borders(struct weston_output *output,
|
|
enum gl_border_status border_status)
|
|
{
|
|
const struct gl_shader_requirements requirements_rgba = {
|
|
.variant = SHADER_VARIANT_RGBA,
|
|
};
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_border_image *top, *bottom, *left, *right;
|
|
struct gl_shader *shader;
|
|
struct weston_matrix matrix;
|
|
int full_width, full_height;
|
|
|
|
if (border_status == BORDER_STATUS_CLEAN)
|
|
return; /* Clean. Nothing to do. */
|
|
|
|
top = &go->borders[GL_RENDERER_BORDER_TOP];
|
|
bottom = &go->borders[GL_RENDERER_BORDER_BOTTOM];
|
|
left = &go->borders[GL_RENDERER_BORDER_LEFT];
|
|
right = &go->borders[GL_RENDERER_BORDER_RIGHT];
|
|
|
|
full_width = output->current_mode->width + left->width + right->width;
|
|
full_height = output->current_mode->height + top->height + bottom->height;
|
|
|
|
glDisable(GL_BLEND);
|
|
shader = gl_renderer_get_program(gr, &requirements_rgba);
|
|
if (!gl_renderer_use_program(gr, &shader))
|
|
return;
|
|
|
|
glViewport(0, 0, full_width, full_height);
|
|
|
|
weston_matrix_init(&matrix);
|
|
weston_matrix_translate(&matrix, -full_width/2.0, -full_height/2.0, 0);
|
|
weston_matrix_scale(&matrix, 2.0/full_width, -2.0/full_height, 1);
|
|
glUniformMatrix4fv(shader->proj_uniform, 1, GL_FALSE, matrix.d);
|
|
|
|
glUniform1i(shader->tex_uniforms[0], 0);
|
|
glUniform1f(shader->alpha_uniform, 1);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
if (border_status & BORDER_TOP_DIRTY)
|
|
draw_output_border_texture(go, GL_RENDERER_BORDER_TOP,
|
|
0, 0,
|
|
full_width, top->height);
|
|
if (border_status & BORDER_LEFT_DIRTY)
|
|
draw_output_border_texture(go, GL_RENDERER_BORDER_LEFT,
|
|
0, top->height,
|
|
left->width, output->current_mode->height);
|
|
if (border_status & BORDER_RIGHT_DIRTY)
|
|
draw_output_border_texture(go, GL_RENDERER_BORDER_RIGHT,
|
|
full_width - right->width, top->height,
|
|
right->width, output->current_mode->height);
|
|
if (border_status & BORDER_BOTTOM_DIRTY)
|
|
draw_output_border_texture(go, GL_RENDERER_BORDER_BOTTOM,
|
|
0, full_height - bottom->height,
|
|
full_width, bottom->height);
|
|
}
|
|
|
|
static void
|
|
output_get_border_damage(struct weston_output *output,
|
|
enum gl_border_status border_status,
|
|
pixman_region32_t *damage)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_border_image *top, *bottom, *left, *right;
|
|
int full_width, full_height;
|
|
|
|
if (border_status == BORDER_STATUS_CLEAN)
|
|
return; /* Clean. Nothing to do. */
|
|
|
|
top = &go->borders[GL_RENDERER_BORDER_TOP];
|
|
bottom = &go->borders[GL_RENDERER_BORDER_BOTTOM];
|
|
left = &go->borders[GL_RENDERER_BORDER_LEFT];
|
|
right = &go->borders[GL_RENDERER_BORDER_RIGHT];
|
|
|
|
full_width = output->current_mode->width + left->width + right->width;
|
|
full_height = output->current_mode->height + top->height + bottom->height;
|
|
if (border_status & BORDER_TOP_DIRTY)
|
|
pixman_region32_union_rect(damage, damage,
|
|
0, 0,
|
|
full_width, top->height);
|
|
if (border_status & BORDER_LEFT_DIRTY)
|
|
pixman_region32_union_rect(damage, damage,
|
|
0, top->height,
|
|
left->width, output->current_mode->height);
|
|
if (border_status & BORDER_RIGHT_DIRTY)
|
|
pixman_region32_union_rect(damage, damage,
|
|
full_width - right->width, top->height,
|
|
right->width, output->current_mode->height);
|
|
if (border_status & BORDER_BOTTOM_DIRTY)
|
|
pixman_region32_union_rect(damage, damage,
|
|
0, full_height - bottom->height,
|
|
full_width, bottom->height);
|
|
}
|
|
|
|
static void
|
|
output_get_damage(struct weston_output *output,
|
|
pixman_region32_t *buffer_damage, uint32_t *border_damage)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
EGLint buffer_age = 0;
|
|
EGLBoolean ret;
|
|
int i;
|
|
|
|
if (gr->has_egl_buffer_age) {
|
|
ret = eglQuerySurface(gr->egl_display, go->egl_surface,
|
|
EGL_BUFFER_AGE_EXT, &buffer_age);
|
|
if (ret == EGL_FALSE) {
|
|
weston_log("buffer age query failed.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
}
|
|
} else if (go->swap_behavior_is_preserved) {
|
|
buffer_age = 1;
|
|
}
|
|
|
|
if (buffer_age == 0 || buffer_age - 1 > BUFFER_DAMAGE_COUNT) {
|
|
pixman_region32_copy(buffer_damage, &output->region);
|
|
*border_damage = BORDER_ALL_DIRTY;
|
|
} else {
|
|
for (i = 0; i < buffer_age - 1; i++)
|
|
*border_damage |= go->border_damage[(go->buffer_damage_index + i) % BUFFER_DAMAGE_COUNT];
|
|
|
|
if (*border_damage & BORDER_SIZE_CHANGED) {
|
|
/* If we've had a resize, we have to do a full
|
|
* repaint. */
|
|
*border_damage |= BORDER_ALL_DIRTY;
|
|
pixman_region32_copy(buffer_damage, &output->region);
|
|
} else {
|
|
for (i = 0; i < buffer_age - 1; i++)
|
|
pixman_region32_union(buffer_damage,
|
|
buffer_damage,
|
|
&go->buffer_damage[(go->buffer_damage_index + i) % BUFFER_DAMAGE_COUNT]);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
output_rotate_damage(struct weston_output *output,
|
|
pixman_region32_t *output_damage,
|
|
enum gl_border_status border_status)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
|
|
if (!gr->has_egl_buffer_age)
|
|
return;
|
|
|
|
go->buffer_damage_index += BUFFER_DAMAGE_COUNT - 1;
|
|
go->buffer_damage_index %= BUFFER_DAMAGE_COUNT;
|
|
|
|
pixman_region32_copy(&go->buffer_damage[go->buffer_damage_index], output_damage);
|
|
go->border_damage[go->buffer_damage_index] = border_status;
|
|
}
|
|
|
|
/**
|
|
* Given a region in Weston's (top-left-origin) global co-ordinate space,
|
|
* translate it to the co-ordinate space used by GL for our output
|
|
* rendering. This requires shifting it into output co-ordinate space:
|
|
* translating for output offset within the global co-ordinate space,
|
|
* multiplying by output scale to get buffer rather than logical size.
|
|
*
|
|
* Finally, if borders are drawn around the output, we translate the area
|
|
* to account for the border region around the outside, and add any
|
|
* damage if the borders have been redrawn.
|
|
*
|
|
* @param output The output whose co-ordinate space we are after
|
|
* @param global_region The affected region in global co-ordinate space
|
|
* @param[out] rects Y-inverted quads in {x,y,w,h} order; caller must free
|
|
* @param[out] nrects Number of quads (4x number of co-ordinates)
|
|
*/
|
|
static void
|
|
pixman_region_to_egl_y_invert(struct weston_output *output,
|
|
struct pixman_region32 *global_region,
|
|
EGLint **rects,
|
|
EGLint *nrects)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
pixman_region32_t transformed;
|
|
struct pixman_box32 *box;
|
|
int buffer_height;
|
|
EGLint *d;
|
|
int i;
|
|
|
|
/* Translate from global to output co-ordinate space. */
|
|
pixman_region32_init(&transformed);
|
|
pixman_region32_copy(&transformed, global_region);
|
|
pixman_region32_translate(&transformed, -output->x, -output->y);
|
|
weston_transformed_region(output->width, output->height,
|
|
output->transform,
|
|
output->current_scale,
|
|
&transformed, &transformed);
|
|
|
|
/* If we have borders drawn around the output, shift our output damage
|
|
* to account for borders being drawn around the outside, adding any
|
|
* damage resulting from borders being redrawn. */
|
|
if (output_has_borders(output)) {
|
|
pixman_region32_translate(&transformed,
|
|
go->borders[GL_RENDERER_BORDER_LEFT].width,
|
|
go->borders[GL_RENDERER_BORDER_TOP].height);
|
|
output_get_border_damage(output, go->border_status,
|
|
&transformed);
|
|
}
|
|
|
|
/* Convert from a Pixman region into {x,y,w,h} quads, flipping in the
|
|
* Y axis to account for GL's lower-left-origin co-ordinate space. */
|
|
box = pixman_region32_rectangles(&transformed, nrects);
|
|
*rects = malloc(*nrects * 4 * sizeof(EGLint));
|
|
|
|
buffer_height = go->borders[GL_RENDERER_BORDER_TOP].height +
|
|
output->current_mode->height +
|
|
go->borders[GL_RENDERER_BORDER_BOTTOM].height;
|
|
|
|
d = *rects;
|
|
for (i = 0; i < *nrects; ++i) {
|
|
*d++ = box[i].x1;
|
|
*d++ = buffer_height - box[i].y2;
|
|
*d++ = box[i].x2 - box[i].x1;
|
|
*d++ = box[i].y2 - box[i].y1;
|
|
}
|
|
|
|
pixman_region32_fini(&transformed);
|
|
}
|
|
|
|
static void
|
|
blit_shadow_to_output(struct weston_output *output,
|
|
pixman_region32_t *output_damage)
|
|
{
|
|
const struct gl_shader_requirements blit_requirements = {
|
|
.variant = SHADER_VARIANT_RGBA,
|
|
};
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_shader *shader;
|
|
double width = output->current_mode->width;
|
|
double height = output->current_mode->height;
|
|
pixman_box32_t *rects;
|
|
int n_rects;
|
|
int i;
|
|
pixman_region32_t translated_damage;
|
|
GLfloat verts[4 * 2];
|
|
static const GLfloat proj[16] = { /* transpose */
|
|
2.0f, 0.0f, 0.0f, 0.0f,
|
|
0.0f, 2.0f, 0.0f, 0.0f,
|
|
0.0f, 0.0f, 1.0f, 0.0f,
|
|
-1.0f, -1.0f, 0.0f, 1.0f
|
|
};
|
|
|
|
pixman_region32_init(&translated_damage);
|
|
|
|
shader = gl_renderer_get_program(gr, &blit_requirements);
|
|
if (!gl_renderer_use_program(gr, &shader))
|
|
return;
|
|
|
|
glUniformMatrix4fv(shader->proj_uniform, 1, GL_FALSE, proj);
|
|
glUniform1f(shader->alpha_uniform, 1.0f);
|
|
glUniform1i(shader->tex_uniforms[0], 0);
|
|
|
|
glDisable(GL_BLEND);
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glBindTexture(GL_TEXTURE_2D, go->shadow.tex);
|
|
|
|
/* output_damage is in global coordinates */
|
|
pixman_region32_intersect(&translated_damage, output_damage,
|
|
&output->region);
|
|
/* Convert to output pixel coordinates in-place */
|
|
weston_output_region_from_global(output, &translated_damage);
|
|
|
|
rects = pixman_region32_rectangles(&translated_damage, &n_rects);
|
|
for (i = 0; i < n_rects; i++) {
|
|
|
|
verts[0] = rects[i].x1 / width;
|
|
verts[1] = (height - rects[i].y1) / height;
|
|
verts[2] = rects[i].x2 / width;
|
|
verts[3] = (height - rects[i].y1) / height;
|
|
|
|
verts[4] = rects[i].x2 / width;
|
|
verts[5] = (height - rects[i].y2) / height;
|
|
verts[6] = rects[i].x1 / width;
|
|
verts[7] = (height - rects[i].y2) / height;
|
|
|
|
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, verts);
|
|
glEnableVertexAttribArray(0);
|
|
|
|
/* texcoord: */
|
|
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, verts);
|
|
glEnableVertexAttribArray(1);
|
|
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
}
|
|
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
pixman_region32_fini(&translated_damage);
|
|
}
|
|
|
|
/* NOTE: We now allow falling back to ARGB gl visuals when XRGB is
|
|
* unavailable, so we're assuming the background has no transparency
|
|
* and that everything with a blend, like drop shadows, will have something
|
|
* opaque (like the background) drawn underneath it.
|
|
*
|
|
* Depending on the underlying hardware, violating that assumption could
|
|
* result in seeing through to another display plane.
|
|
*/
|
|
static void
|
|
gl_renderer_repaint_output(struct weston_output *output,
|
|
pixman_region32_t *output_damage)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct weston_compositor *compositor = output->compositor;
|
|
struct gl_renderer *gr = get_renderer(compositor);
|
|
EGLBoolean ret;
|
|
static int errored;
|
|
/* areas we've damaged since we last used this buffer */
|
|
pixman_region32_t previous_damage;
|
|
/* total area we need to repaint this time */
|
|
pixman_region32_t total_damage;
|
|
enum gl_border_status border_status = BORDER_STATUS_CLEAN;
|
|
struct weston_view *view;
|
|
|
|
if (use_output(output) < 0)
|
|
return;
|
|
|
|
/* Clear the used_in_output_repaint flag, so that we can properly track
|
|
* which surfaces were used in this output repaint. */
|
|
wl_list_for_each_reverse(view, &compositor->view_list, link) {
|
|
if (view->plane == &compositor->primary_plane) {
|
|
struct gl_surface_state *gs =
|
|
get_surface_state(view->surface);
|
|
gs->used_in_output_repaint = false;
|
|
}
|
|
}
|
|
|
|
if (go->begin_render_sync != EGL_NO_SYNC_KHR)
|
|
gr->destroy_sync(gr->egl_display, go->begin_render_sync);
|
|
if (go->end_render_sync != EGL_NO_SYNC_KHR)
|
|
gr->destroy_sync(gr->egl_display, go->end_render_sync);
|
|
|
|
go->begin_render_sync = create_render_sync(gr);
|
|
|
|
/* Calculate the global GL matrix */
|
|
go->output_matrix = output->matrix;
|
|
weston_matrix_translate(&go->output_matrix,
|
|
-(output->current_mode->width / 2.0),
|
|
-(output->current_mode->height / 2.0), 0);
|
|
weston_matrix_scale(&go->output_matrix,
|
|
2.0 / output->current_mode->width,
|
|
-2.0 / output->current_mode->height, 1);
|
|
|
|
/* If using shadow, redirect all drawing to it first. */
|
|
if (shadow_exists(go)) {
|
|
/* XXX: Shadow code does not support resizing. */
|
|
assert(output->current_mode->width == go->shadow.width);
|
|
assert(output->current_mode->height == go->shadow.height);
|
|
|
|
glBindFramebuffer(GL_FRAMEBUFFER, go->shadow.fbo);
|
|
glViewport(0, 0, go->shadow.width, go->shadow.height);
|
|
} else {
|
|
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
|
glViewport(go->borders[GL_RENDERER_BORDER_LEFT].width,
|
|
go->borders[GL_RENDERER_BORDER_BOTTOM].height,
|
|
output->current_mode->width,
|
|
output->current_mode->height);
|
|
}
|
|
|
|
/* In fan debug mode, redraw everything to make sure that we clear any
|
|
* fans left over from previous draws on this buffer.
|
|
* This precludes the use of EGL_EXT_swap_buffers_with_damage and
|
|
* EGL_KHR_partial_update, since we damage the whole area. */
|
|
if (gr->fan_debug) {
|
|
pixman_region32_t undamaged;
|
|
pixman_region32_init(&undamaged);
|
|
pixman_region32_subtract(&undamaged, &output->region,
|
|
output_damage);
|
|
gr->fan_debug = false;
|
|
repaint_views(output, &undamaged);
|
|
gr->fan_debug = true;
|
|
pixman_region32_fini(&undamaged);
|
|
}
|
|
|
|
/* previous_damage covers regions damaged in previous paints since we
|
|
* last used this buffer */
|
|
pixman_region32_init(&previous_damage);
|
|
pixman_region32_init(&total_damage); /* total area to redraw */
|
|
|
|
/* Update previous_damage using buffer_age (if available), and store
|
|
* current damaged region for future use. */
|
|
output_get_damage(output, &previous_damage, &border_status);
|
|
output_rotate_damage(output, output_damage, go->border_status);
|
|
|
|
/* Redraw both areas which have changed since we last used this buffer,
|
|
* as well as the areas we now want to repaint, to make sure the
|
|
* buffer is up to date. */
|
|
pixman_region32_union(&total_damage, &previous_damage, output_damage);
|
|
border_status |= go->border_status;
|
|
|
|
if (gr->has_egl_partial_update && !gr->fan_debug) {
|
|
int n_egl_rects;
|
|
EGLint *egl_rects;
|
|
|
|
/* For partial_update, we need to pass the region which has
|
|
* changed since we last rendered into this specific buffer;
|
|
* this is total_damage. */
|
|
pixman_region_to_egl_y_invert(output, &total_damage,
|
|
&egl_rects, &n_egl_rects);
|
|
gr->set_damage_region(gr->egl_display, go->egl_surface,
|
|
egl_rects, n_egl_rects);
|
|
free(egl_rects);
|
|
}
|
|
|
|
if (shadow_exists(go)) {
|
|
/* Repaint into shadow. */
|
|
if (compositor->test_data.test_quirks.gl_force_full_redraw_of_shadow_fb)
|
|
repaint_views(output, &output->region);
|
|
else
|
|
repaint_views(output, output_damage);
|
|
|
|
glBindFramebuffer(GL_FRAMEBUFFER, 0);
|
|
glViewport(go->borders[GL_RENDERER_BORDER_LEFT].width,
|
|
go->borders[GL_RENDERER_BORDER_BOTTOM].height,
|
|
output->current_mode->width,
|
|
output->current_mode->height);
|
|
blit_shadow_to_output(output, &total_damage);
|
|
} else {
|
|
repaint_views(output, &total_damage);
|
|
}
|
|
|
|
pixman_region32_fini(&total_damage);
|
|
pixman_region32_fini(&previous_damage);
|
|
|
|
draw_output_borders(output, border_status);
|
|
|
|
wl_signal_emit(&output->frame_signal, output_damage);
|
|
|
|
go->end_render_sync = create_render_sync(gr);
|
|
|
|
if (gr->swap_buffers_with_damage && !gr->fan_debug) {
|
|
int n_egl_rects;
|
|
EGLint *egl_rects;
|
|
|
|
/* For swap_buffers_with_damage, we need to pass the region
|
|
* which has changed since the previous SwapBuffers on this
|
|
* surface - this is output_damage. */
|
|
pixman_region_to_egl_y_invert(output, output_damage,
|
|
&egl_rects, &n_egl_rects);
|
|
ret = gr->swap_buffers_with_damage(gr->egl_display,
|
|
go->egl_surface,
|
|
egl_rects, n_egl_rects);
|
|
free(egl_rects);
|
|
} else {
|
|
ret = eglSwapBuffers(gr->egl_display, go->egl_surface);
|
|
}
|
|
|
|
if (ret == EGL_FALSE && !errored) {
|
|
errored = 1;
|
|
weston_log("Failed in eglSwapBuffers.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
}
|
|
|
|
go->border_status = BORDER_STATUS_CLEAN;
|
|
|
|
/* We have to submit the render sync objects after swap buffers, since
|
|
* the objects get assigned a valid sync file fd only after a gl flush.
|
|
*/
|
|
timeline_submit_render_sync(gr, output, go->begin_render_sync,
|
|
TIMELINE_RENDER_POINT_TYPE_BEGIN);
|
|
timeline_submit_render_sync(gr, output, go->end_render_sync,
|
|
TIMELINE_RENDER_POINT_TYPE_END);
|
|
|
|
update_buffer_release_fences(compositor, output);
|
|
|
|
gl_renderer_garbage_collect_programs(gr);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_read_pixels(struct weston_output *output,
|
|
pixman_format_code_t format, void *pixels,
|
|
uint32_t x, uint32_t y,
|
|
uint32_t width, uint32_t height)
|
|
{
|
|
GLenum gl_format;
|
|
struct gl_output_state *go = get_output_state(output);
|
|
|
|
x += go->borders[GL_RENDERER_BORDER_LEFT].width;
|
|
y += go->borders[GL_RENDERER_BORDER_BOTTOM].height;
|
|
|
|
switch (format) {
|
|
case PIXMAN_a8r8g8b8:
|
|
gl_format = GL_BGRA_EXT;
|
|
break;
|
|
case PIXMAN_a8b8g8r8:
|
|
gl_format = GL_RGBA;
|
|
break;
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
if (use_output(output) < 0)
|
|
return -1;
|
|
|
|
glPixelStorei(GL_PACK_ALIGNMENT, 1);
|
|
glReadPixels(x, y, width, height, gl_format,
|
|
GL_UNSIGNED_BYTE, pixels);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static GLenum
|
|
gl_format_from_internal(GLenum internal_format)
|
|
{
|
|
switch (internal_format) {
|
|
case GL_R8_EXT:
|
|
return GL_RED_EXT;
|
|
case GL_RG8_EXT:
|
|
return GL_RG_EXT;
|
|
default:
|
|
return internal_format;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gl_renderer_flush_damage(struct weston_surface *surface)
|
|
{
|
|
const struct weston_testsuite_quirks *quirks =
|
|
&surface->compositor->test_data.test_quirks;
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
struct weston_buffer *buffer = gs->buffer_ref.buffer;
|
|
struct weston_view *view;
|
|
bool texture_used;
|
|
pixman_box32_t *rectangles;
|
|
uint8_t *data;
|
|
int i, j, n;
|
|
|
|
pixman_region32_union(&gs->texture_damage,
|
|
&gs->texture_damage, &surface->damage);
|
|
|
|
if (!buffer)
|
|
return;
|
|
|
|
/* Avoid upload, if the texture won't be used this time.
|
|
* We still accumulate the damage in texture_damage, and
|
|
* hold the reference to the buffer, in case the surface
|
|
* migrates back to the primary plane.
|
|
*/
|
|
texture_used = false;
|
|
wl_list_for_each(view, &surface->views, surface_link) {
|
|
if (view->plane == &surface->compositor->primary_plane) {
|
|
texture_used = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!texture_used)
|
|
return;
|
|
|
|
if (!pixman_region32_not_empty(&gs->texture_damage) &&
|
|
!gs->needs_full_upload)
|
|
goto done;
|
|
|
|
data = wl_shm_buffer_get_data(buffer->shm_buffer);
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
if (gs->needs_full_upload || quirks->gl_force_full_upload) {
|
|
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0);
|
|
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0);
|
|
wl_shm_buffer_begin_access(buffer->shm_buffer);
|
|
for (j = 0; j < gs->num_textures; j++) {
|
|
glBindTexture(GL_TEXTURE_2D, gs->textures[j]);
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT,
|
|
gs->pitch / gs->hsub[j]);
|
|
glTexImage2D(GL_TEXTURE_2D, 0,
|
|
gs->gl_format[j],
|
|
gs->pitch / gs->hsub[j],
|
|
buffer->height / gs->vsub[j],
|
|
0,
|
|
gl_format_from_internal(gs->gl_format[j]),
|
|
gs->gl_pixel_type,
|
|
data + gs->offset[j]);
|
|
}
|
|
wl_shm_buffer_end_access(buffer->shm_buffer);
|
|
goto done;
|
|
}
|
|
|
|
rectangles = pixman_region32_rectangles(&gs->texture_damage, &n);
|
|
wl_shm_buffer_begin_access(buffer->shm_buffer);
|
|
for (i = 0; i < n; i++) {
|
|
pixman_box32_t r;
|
|
|
|
r = weston_surface_to_buffer_rect(surface, rectangles[i]);
|
|
|
|
for (j = 0; j < gs->num_textures; j++) {
|
|
glBindTexture(GL_TEXTURE_2D, gs->textures[j]);
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT,
|
|
gs->pitch / gs->hsub[j]);
|
|
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT,
|
|
r.x1 / gs->hsub[j]);
|
|
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT,
|
|
r.y1 / gs->hsub[j]);
|
|
glTexSubImage2D(GL_TEXTURE_2D, 0,
|
|
r.x1 / gs->hsub[j],
|
|
r.y1 / gs->vsub[j],
|
|
(r.x2 - r.x1) / gs->hsub[j],
|
|
(r.y2 - r.y1) / gs->vsub[j],
|
|
gl_format_from_internal(gs->gl_format[j]),
|
|
gs->gl_pixel_type,
|
|
data + gs->offset[j]);
|
|
}
|
|
}
|
|
wl_shm_buffer_end_access(buffer->shm_buffer);
|
|
|
|
done:
|
|
pixman_region32_fini(&gs->texture_damage);
|
|
pixman_region32_init(&gs->texture_damage);
|
|
gs->needs_full_upload = false;
|
|
|
|
weston_buffer_reference(&gs->buffer_ref, NULL);
|
|
weston_buffer_release_reference(&gs->buffer_release_ref, NULL);
|
|
}
|
|
|
|
static void
|
|
ensure_textures(struct gl_surface_state *gs, int num_textures)
|
|
{
|
|
int i;
|
|
|
|
if (num_textures <= gs->num_textures)
|
|
return;
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
for (i = gs->num_textures; i < num_textures; i++) {
|
|
glGenTextures(1, &gs->textures[i]);
|
|
glBindTexture(gs->target, gs->textures[i]);
|
|
glTexParameteri(gs->target,
|
|
GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
glTexParameteri(gs->target,
|
|
GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
}
|
|
gs->num_textures = num_textures;
|
|
glBindTexture(gs->target, 0);
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach_shm(struct weston_surface *es, struct weston_buffer *buffer,
|
|
struct wl_shm_buffer *shm_buffer)
|
|
{
|
|
struct weston_compositor *ec = es->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_surface_state *gs = get_surface_state(es);
|
|
GLenum gl_format[3] = {0, 0, 0};
|
|
GLenum gl_pixel_type;
|
|
int pitch;
|
|
int num_planes;
|
|
|
|
buffer->shm_buffer = shm_buffer;
|
|
buffer->width = wl_shm_buffer_get_width(shm_buffer);
|
|
buffer->height = wl_shm_buffer_get_height(shm_buffer);
|
|
|
|
num_planes = 1;
|
|
gs->offset[0] = 0;
|
|
gs->hsub[0] = 1;
|
|
gs->vsub[0] = 1;
|
|
|
|
switch (wl_shm_buffer_get_format(shm_buffer)) {
|
|
case WL_SHM_FORMAT_XRGB8888:
|
|
gs->shader_requirements.variant = SHADER_VARIANT_RGBX;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer) / 4;
|
|
gl_format[0] = GL_BGRA_EXT;
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
es->is_opaque = true;
|
|
break;
|
|
case WL_SHM_FORMAT_ARGB8888:
|
|
gs->shader_requirements.variant = SHADER_VARIANT_RGBA;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer) / 4;
|
|
gl_format[0] = GL_BGRA_EXT;
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
es->is_opaque = false;
|
|
break;
|
|
case WL_SHM_FORMAT_RGB565:
|
|
gs->shader_requirements.variant = SHADER_VARIANT_RGBX;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer) / 2;
|
|
gl_format[0] = GL_RGB;
|
|
gl_pixel_type = GL_UNSIGNED_SHORT_5_6_5;
|
|
es->is_opaque = true;
|
|
break;
|
|
case WL_SHM_FORMAT_YUV420:
|
|
gs->shader_requirements.variant = SHADER_VARIANT_Y_U_V;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer);
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
num_planes = 3;
|
|
gs->offset[1] = gs->offset[0] + (pitch / gs->hsub[0]) *
|
|
(buffer->height / gs->vsub[0]);
|
|
gs->hsub[1] = 2;
|
|
gs->vsub[1] = 2;
|
|
gs->offset[2] = gs->offset[1] + (pitch / gs->hsub[1]) *
|
|
(buffer->height / gs->vsub[1]);
|
|
gs->hsub[2] = 2;
|
|
gs->vsub[2] = 2;
|
|
if (gr->has_gl_texture_rg) {
|
|
gl_format[0] = GL_R8_EXT;
|
|
gl_format[1] = GL_R8_EXT;
|
|
gl_format[2] = GL_R8_EXT;
|
|
} else {
|
|
gl_format[0] = GL_LUMINANCE;
|
|
gl_format[1] = GL_LUMINANCE;
|
|
gl_format[2] = GL_LUMINANCE;
|
|
}
|
|
es->is_opaque = true;
|
|
break;
|
|
case WL_SHM_FORMAT_NV12:
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer);
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
num_planes = 2;
|
|
gs->offset[1] = gs->offset[0] + (pitch / gs->hsub[0]) *
|
|
(buffer->height / gs->vsub[0]);
|
|
gs->hsub[1] = 2;
|
|
gs->vsub[1] = 2;
|
|
if (gr->has_gl_texture_rg) {
|
|
gs->shader_requirements.variant = SHADER_VARIANT_Y_UV;
|
|
gl_format[0] = GL_R8_EXT;
|
|
gl_format[1] = GL_RG8_EXT;
|
|
} else {
|
|
gs->shader_requirements.variant = SHADER_VARIANT_Y_XUXV;
|
|
gl_format[0] = GL_LUMINANCE;
|
|
gl_format[1] = GL_LUMINANCE_ALPHA;
|
|
}
|
|
es->is_opaque = true;
|
|
break;
|
|
case WL_SHM_FORMAT_YUYV:
|
|
gs->shader_requirements.variant = SHADER_VARIANT_Y_XUXV;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer) / 2;
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
num_planes = 2;
|
|
gs->offset[1] = 0;
|
|
gs->hsub[1] = 2;
|
|
gs->vsub[1] = 1;
|
|
if (gr->has_gl_texture_rg)
|
|
gl_format[0] = GL_RG8_EXT;
|
|
else
|
|
gl_format[0] = GL_LUMINANCE_ALPHA;
|
|
gl_format[1] = GL_BGRA_EXT;
|
|
es->is_opaque = true;
|
|
break;
|
|
case WL_SHM_FORMAT_XYUV8888:
|
|
/*
|
|
* [31:0] X:Y:Cb:Cr 8:8:8:8 little endian
|
|
* a:b: g: r in SHADER_VARIANT_XYUV
|
|
*/
|
|
gs->shader_requirements.variant = SHADER_VARIANT_XYUV;
|
|
pitch = wl_shm_buffer_get_stride(shm_buffer) / 4;
|
|
gl_format[0] = GL_RGBA;
|
|
gl_pixel_type = GL_UNSIGNED_BYTE;
|
|
es->is_opaque = true;
|
|
break;
|
|
default:
|
|
weston_log("warning: unknown shm buffer format: %08x\n",
|
|
wl_shm_buffer_get_format(shm_buffer));
|
|
return;
|
|
}
|
|
|
|
/* Only allocate a texture if it doesn't match existing one.
|
|
* If a switch from DRM allocated buffer to a SHM buffer is
|
|
* happening, we need to allocate a new texture buffer. */
|
|
if (pitch != gs->pitch ||
|
|
buffer->height != gs->height ||
|
|
gl_format[0] != gs->gl_format[0] ||
|
|
gl_format[1] != gs->gl_format[1] ||
|
|
gl_format[2] != gs->gl_format[2] ||
|
|
gl_pixel_type != gs->gl_pixel_type ||
|
|
gs->buffer_type != BUFFER_TYPE_SHM) {
|
|
gs->pitch = pitch;
|
|
gs->height = buffer->height;
|
|
gs->target = GL_TEXTURE_2D;
|
|
gs->gl_format[0] = gl_format[0];
|
|
gs->gl_format[1] = gl_format[1];
|
|
gs->gl_format[2] = gl_format[2];
|
|
gs->gl_pixel_type = gl_pixel_type;
|
|
gs->buffer_type = BUFFER_TYPE_SHM;
|
|
gs->needs_full_upload = true;
|
|
gs->y_inverted = true;
|
|
gs->direct_display = false;
|
|
|
|
gs->surface = es;
|
|
|
|
ensure_textures(gs, num_planes);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach_egl(struct weston_surface *es, struct weston_buffer *buffer,
|
|
uint32_t format)
|
|
{
|
|
struct weston_compositor *ec = es->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_surface_state *gs = get_surface_state(es);
|
|
EGLint attribs[3];
|
|
int i, num_planes;
|
|
|
|
buffer->legacy_buffer = (struct wl_buffer *)buffer->resource;
|
|
gr->query_buffer(gr->egl_display, buffer->legacy_buffer,
|
|
EGL_WIDTH, &buffer->width);
|
|
gr->query_buffer(gr->egl_display, buffer->legacy_buffer,
|
|
EGL_HEIGHT, &buffer->height);
|
|
gr->query_buffer(gr->egl_display, buffer->legacy_buffer,
|
|
EGL_WAYLAND_Y_INVERTED_WL, &buffer->y_inverted);
|
|
|
|
for (i = 0; i < gs->num_images; i++) {
|
|
egl_image_unref(gs->images[i]);
|
|
gs->images[i] = NULL;
|
|
}
|
|
gs->num_images = 0;
|
|
gs->target = GL_TEXTURE_2D;
|
|
es->is_opaque = false;
|
|
switch (format) {
|
|
case EGL_TEXTURE_RGB:
|
|
es->is_opaque = true;
|
|
/* fallthrough */
|
|
case EGL_TEXTURE_RGBA:
|
|
default:
|
|
num_planes = 1;
|
|
gs->shader_requirements.variant = SHADER_VARIANT_RGBA;
|
|
break;
|
|
case EGL_TEXTURE_EXTERNAL_WL:
|
|
num_planes = 1;
|
|
gs->target = GL_TEXTURE_EXTERNAL_OES;
|
|
gs->shader_requirements.variant = SHADER_VARIANT_EXTERNAL;
|
|
break;
|
|
case EGL_TEXTURE_Y_UV_WL:
|
|
num_planes = 2;
|
|
gs->shader_requirements.variant = SHADER_VARIANT_Y_UV;
|
|
es->is_opaque = true;
|
|
break;
|
|
case EGL_TEXTURE_Y_U_V_WL:
|
|
num_planes = 3;
|
|
gs->shader_requirements.variant = SHADER_VARIANT_Y_U_V;
|
|
es->is_opaque = true;
|
|
break;
|
|
case EGL_TEXTURE_Y_XUXV_WL:
|
|
num_planes = 2;
|
|
gs->shader_requirements.variant = SHADER_VARIANT_Y_XUXV;
|
|
es->is_opaque = true;
|
|
break;
|
|
}
|
|
|
|
ensure_textures(gs, num_planes);
|
|
for (i = 0; i < num_planes; i++) {
|
|
attribs[0] = EGL_WAYLAND_PLANE_WL;
|
|
attribs[1] = i;
|
|
attribs[2] = EGL_NONE;
|
|
gs->images[i] = egl_image_create(gr,
|
|
EGL_WAYLAND_BUFFER_WL,
|
|
buffer->legacy_buffer,
|
|
attribs);
|
|
if (!gs->images[i]) {
|
|
weston_log("failed to create img for plane %d\n", i);
|
|
continue;
|
|
}
|
|
gs->num_images++;
|
|
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
glBindTexture(gs->target, gs->textures[i]);
|
|
gr->image_target_texture_2d(gs->target,
|
|
gs->images[i]->image);
|
|
}
|
|
|
|
gs->pitch = buffer->width;
|
|
gs->height = buffer->height;
|
|
gs->buffer_type = BUFFER_TYPE_EGL;
|
|
gs->y_inverted = buffer->y_inverted;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_destroy_dmabuf(struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
struct dmabuf_image *image = linux_dmabuf_buffer_get_user_data(dmabuf);
|
|
|
|
dmabuf_image_destroy(image);
|
|
}
|
|
|
|
static struct egl_image *
|
|
import_simple_dmabuf(struct gl_renderer *gr,
|
|
struct dmabuf_attributes *attributes)
|
|
{
|
|
struct egl_image *image;
|
|
EGLint attribs[50];
|
|
int atti = 0;
|
|
bool has_modifier;
|
|
|
|
/* This requires the Mesa commit in
|
|
* Mesa 10.3 (08264e5dad4df448e7718e782ad9077902089a07) or
|
|
* Mesa 10.2.7 (55d28925e6109a4afd61f109e845a8a51bd17652).
|
|
* Otherwise Mesa closes the fd behind our back and re-importing
|
|
* will fail.
|
|
* https://bugs.freedesktop.org/show_bug.cgi?id=76188
|
|
*/
|
|
|
|
attribs[atti++] = EGL_WIDTH;
|
|
attribs[atti++] = attributes->width;
|
|
attribs[atti++] = EGL_HEIGHT;
|
|
attribs[atti++] = attributes->height;
|
|
attribs[atti++] = EGL_LINUX_DRM_FOURCC_EXT;
|
|
attribs[atti++] = attributes->format;
|
|
|
|
if (attributes->modifier[0] != DRM_FORMAT_MOD_INVALID) {
|
|
if (!gr->has_dmabuf_import_modifiers)
|
|
return NULL;
|
|
has_modifier = true;
|
|
} else {
|
|
has_modifier = false;
|
|
}
|
|
|
|
if (attributes->n_planes > 0) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_FD_EXT;
|
|
attribs[atti++] = attributes->fd[0];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[0];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[0];
|
|
if (has_modifier) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_LO_EXT;
|
|
attribs[atti++] = attributes->modifier[0] & 0xFFFFFFFF;
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE0_MODIFIER_HI_EXT;
|
|
attribs[atti++] = attributes->modifier[0] >> 32;
|
|
}
|
|
}
|
|
|
|
if (attributes->n_planes > 1) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_FD_EXT;
|
|
attribs[atti++] = attributes->fd[1];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[1];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[1];
|
|
if (has_modifier) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_MODIFIER_LO_EXT;
|
|
attribs[atti++] = attributes->modifier[1] & 0xFFFFFFFF;
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE1_MODIFIER_HI_EXT;
|
|
attribs[atti++] = attributes->modifier[1] >> 32;
|
|
}
|
|
}
|
|
|
|
if (attributes->n_planes > 2) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_FD_EXT;
|
|
attribs[atti++] = attributes->fd[2];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[2];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[2];
|
|
if (has_modifier) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_MODIFIER_LO_EXT;
|
|
attribs[atti++] = attributes->modifier[2] & 0xFFFFFFFF;
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE2_MODIFIER_HI_EXT;
|
|
attribs[atti++] = attributes->modifier[2] >> 32;
|
|
}
|
|
}
|
|
|
|
if (gr->has_dmabuf_import_modifiers) {
|
|
if (attributes->n_planes > 3) {
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE3_FD_EXT;
|
|
attribs[atti++] = attributes->fd[3];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE3_OFFSET_EXT;
|
|
attribs[atti++] = attributes->offset[3];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE3_PITCH_EXT;
|
|
attribs[atti++] = attributes->stride[3];
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE3_MODIFIER_LO_EXT;
|
|
attribs[atti++] = attributes->modifier[3] & 0xFFFFFFFF;
|
|
attribs[atti++] = EGL_DMA_BUF_PLANE3_MODIFIER_HI_EXT;
|
|
attribs[atti++] = attributes->modifier[3] >> 32;
|
|
}
|
|
}
|
|
|
|
attribs[atti++] = EGL_NONE;
|
|
|
|
image = egl_image_create(gr, EGL_LINUX_DMA_BUF_EXT, NULL,
|
|
attribs);
|
|
|
|
return image;
|
|
}
|
|
|
|
struct yuv_format_descriptor yuv_formats[] = {
|
|
{
|
|
.format = DRM_FORMAT_YUYV,
|
|
.input_planes = 1,
|
|
.output_planes = 2,
|
|
.texture_type = TEXTURE_Y_XUXV_WL,
|
|
{{
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_GR88,
|
|
.plane_index = 0
|
|
}, {
|
|
.width_divisor = 2,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_ARGB8888,
|
|
.plane_index = 0
|
|
}}
|
|
}, {
|
|
.format = DRM_FORMAT_NV12,
|
|
.input_planes = 2,
|
|
.output_planes = 2,
|
|
.texture_type = TEXTURE_Y_UV_WL,
|
|
{{
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 0
|
|
}, {
|
|
.width_divisor = 2,
|
|
.height_divisor = 2,
|
|
.format = DRM_FORMAT_GR88,
|
|
.plane_index = 1
|
|
}}
|
|
}, {
|
|
.format = DRM_FORMAT_YUV420,
|
|
.input_planes = 3,
|
|
.output_planes = 3,
|
|
.texture_type = TEXTURE_Y_U_V_WL,
|
|
{{
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 0
|
|
}, {
|
|
.width_divisor = 2,
|
|
.height_divisor = 2,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 1
|
|
}, {
|
|
.width_divisor = 2,
|
|
.height_divisor = 2,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 2
|
|
}}
|
|
}, {
|
|
.format = DRM_FORMAT_YUV444,
|
|
.input_planes = 3,
|
|
.output_planes = 3,
|
|
.texture_type = TEXTURE_Y_U_V_WL,
|
|
{{
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 0
|
|
}, {
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 1
|
|
}, {
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_R8,
|
|
.plane_index = 2
|
|
}}
|
|
}, {
|
|
.format = DRM_FORMAT_XYUV8888,
|
|
.input_planes = 1,
|
|
.output_planes = 1,
|
|
.texture_type = TEXTURE_XYUV_WL,
|
|
{{
|
|
.width_divisor = 1,
|
|
.height_divisor = 1,
|
|
.format = DRM_FORMAT_XBGR8888,
|
|
.plane_index = 0
|
|
}}
|
|
}
|
|
};
|
|
|
|
static struct egl_image *
|
|
import_dmabuf_single_plane(struct gl_renderer *gr,
|
|
const struct dmabuf_attributes *attributes,
|
|
struct yuv_plane_descriptor *descriptor)
|
|
{
|
|
struct dmabuf_attributes plane;
|
|
struct egl_image *image;
|
|
char fmt[4];
|
|
|
|
plane.width = attributes->width / descriptor->width_divisor;
|
|
plane.height = attributes->height / descriptor->height_divisor;
|
|
plane.format = descriptor->format;
|
|
plane.n_planes = 1;
|
|
plane.fd[0] = attributes->fd[descriptor->plane_index];
|
|
plane.offset[0] = attributes->offset[descriptor->plane_index];
|
|
plane.stride[0] = attributes->stride[descriptor->plane_index];
|
|
plane.modifier[0] = attributes->modifier[descriptor->plane_index];
|
|
|
|
image = import_simple_dmabuf(gr, &plane);
|
|
if (!image) {
|
|
weston_log("Failed to import plane %d as %.4s\n",
|
|
descriptor->plane_index,
|
|
dump_format(descriptor->format, fmt));
|
|
return NULL;
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
static bool
|
|
import_yuv_dmabuf(struct gl_renderer *gr,
|
|
struct dmabuf_image *image)
|
|
{
|
|
unsigned i;
|
|
int j;
|
|
int ret;
|
|
struct yuv_format_descriptor *format = NULL;
|
|
struct dmabuf_attributes *attributes = &image->dmabuf->attributes;
|
|
char fmt[4];
|
|
|
|
for (i = 0; i < ARRAY_LENGTH(yuv_formats); ++i) {
|
|
if (yuv_formats[i].format == attributes->format) {
|
|
format = &yuv_formats[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!format) {
|
|
weston_log("Error during import, and no known conversion for format "
|
|
"%.4s in the renderer\n",
|
|
dump_format(attributes->format, fmt));
|
|
return false;
|
|
}
|
|
|
|
if (attributes->n_planes != format->input_planes) {
|
|
weston_log("%.4s dmabuf must contain %d plane%s (%d provided)\n",
|
|
dump_format(format->format, fmt),
|
|
format->input_planes,
|
|
(format->input_planes > 1) ? "s" : "",
|
|
attributes->n_planes);
|
|
return false;
|
|
}
|
|
|
|
for (j = 0; j < format->output_planes; ++j) {
|
|
image->images[j] = import_dmabuf_single_plane(gr, attributes,
|
|
&format->plane[j]);
|
|
if (!image->images[j]) {
|
|
while (j) {
|
|
ret = egl_image_unref(image->images[--j]);
|
|
assert(ret == 0);
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
image->num_images = format->output_planes;
|
|
|
|
switch (format->texture_type) {
|
|
case TEXTURE_Y_XUXV_WL:
|
|
image->shader_variant = SHADER_VARIANT_Y_XUXV;
|
|
break;
|
|
case TEXTURE_Y_UV_WL:
|
|
image->shader_variant = SHADER_VARIANT_Y_UV;
|
|
break;
|
|
case TEXTURE_Y_U_V_WL:
|
|
image->shader_variant = SHADER_VARIANT_Y_U_V;
|
|
break;
|
|
case TEXTURE_XYUV_WL:
|
|
image->shader_variant = SHADER_VARIANT_XYUV;
|
|
break;
|
|
default:
|
|
assert(false);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_query_dmabuf_modifiers_full(struct gl_renderer *gr, int format,
|
|
uint64_t **modifiers,
|
|
unsigned **external_only,
|
|
int *num_modifiers);
|
|
|
|
static struct dmabuf_format*
|
|
dmabuf_format_create(struct gl_renderer *gr, uint32_t format)
|
|
{
|
|
struct dmabuf_format *dmabuf_format;
|
|
|
|
dmabuf_format = calloc(1, sizeof(struct dmabuf_format));
|
|
if (!dmabuf_format)
|
|
return NULL;
|
|
|
|
dmabuf_format->format = format;
|
|
|
|
gl_renderer_query_dmabuf_modifiers_full(gr, format,
|
|
&dmabuf_format->modifiers,
|
|
&dmabuf_format->external_only,
|
|
&dmabuf_format->num_modifiers);
|
|
|
|
if (dmabuf_format->num_modifiers == 0) {
|
|
free(dmabuf_format);
|
|
return NULL;
|
|
}
|
|
|
|
wl_list_insert(&gr->dmabuf_formats, &dmabuf_format->link);
|
|
return dmabuf_format;
|
|
}
|
|
|
|
static void
|
|
dmabuf_format_destroy(struct dmabuf_format *format)
|
|
{
|
|
free(format->modifiers);
|
|
free(format->external_only);
|
|
wl_list_remove(&format->link);
|
|
free(format);
|
|
}
|
|
|
|
static GLenum
|
|
choose_texture_target(struct gl_renderer *gr,
|
|
struct dmabuf_attributes *attributes)
|
|
{
|
|
struct dmabuf_format *tmp, *format = NULL;
|
|
|
|
wl_list_for_each(tmp, &gr->dmabuf_formats, link) {
|
|
if (tmp->format == attributes->format) {
|
|
format = tmp;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!format)
|
|
format = dmabuf_format_create(gr, attributes->format);
|
|
|
|
if (format) {
|
|
int i;
|
|
|
|
for (i = 0; i < format->num_modifiers; ++i) {
|
|
if (format->modifiers[i] == attributes->modifier[0]) {
|
|
if(format->external_only[i])
|
|
return GL_TEXTURE_EXTERNAL_OES;
|
|
else
|
|
return GL_TEXTURE_2D;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (attributes->n_planes > 1)
|
|
return GL_TEXTURE_EXTERNAL_OES;
|
|
|
|
switch (attributes->format & ~DRM_FORMAT_BIG_ENDIAN) {
|
|
case DRM_FORMAT_YUYV:
|
|
case DRM_FORMAT_YVYU:
|
|
case DRM_FORMAT_UYVY:
|
|
case DRM_FORMAT_VYUY:
|
|
case DRM_FORMAT_AYUV:
|
|
case DRM_FORMAT_XYUV8888:
|
|
return GL_TEXTURE_EXTERNAL_OES;
|
|
default:
|
|
return GL_TEXTURE_2D;
|
|
}
|
|
}
|
|
|
|
static struct dmabuf_image *
|
|
import_dmabuf(struct gl_renderer *gr,
|
|
struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
struct egl_image *egl_image;
|
|
struct dmabuf_image *image;
|
|
|
|
image = dmabuf_image_create();
|
|
image->dmabuf = dmabuf;
|
|
|
|
egl_image = import_simple_dmabuf(gr, &dmabuf->attributes);
|
|
if (egl_image) {
|
|
image->num_images = 1;
|
|
image->images[0] = egl_image;
|
|
image->import_type = IMPORT_TYPE_DIRECT;
|
|
image->target = choose_texture_target(gr, &dmabuf->attributes);
|
|
|
|
switch (image->target) {
|
|
case GL_TEXTURE_2D:
|
|
image->shader_variant = SHADER_VARIANT_RGBA;
|
|
break;
|
|
default:
|
|
image->shader_variant = SHADER_VARIANT_EXTERNAL;
|
|
}
|
|
} else {
|
|
if (!import_yuv_dmabuf(gr, image)) {
|
|
dmabuf_image_destroy(image);
|
|
return NULL;
|
|
}
|
|
image->import_type = IMPORT_TYPE_GL_CONVERSION;
|
|
image->target = GL_TEXTURE_2D;
|
|
}
|
|
|
|
return image;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_query_dmabuf_formats(struct weston_compositor *wc,
|
|
int **formats, int *num_formats)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(wc);
|
|
static const int fallback_formats[] = {
|
|
DRM_FORMAT_ARGB8888,
|
|
DRM_FORMAT_XRGB8888,
|
|
DRM_FORMAT_YUYV,
|
|
DRM_FORMAT_NV12,
|
|
DRM_FORMAT_YUV420,
|
|
DRM_FORMAT_YUV444,
|
|
DRM_FORMAT_XYUV8888,
|
|
};
|
|
bool fallback = false;
|
|
EGLint num;
|
|
|
|
assert(gr->has_dmabuf_import);
|
|
|
|
if (!gr->has_dmabuf_import_modifiers ||
|
|
!gr->query_dmabuf_formats(gr->egl_display, 0, NULL, &num)) {
|
|
num = gr->has_gl_texture_rg ? ARRAY_LENGTH(fallback_formats) : 2;
|
|
fallback = true;
|
|
}
|
|
|
|
*formats = calloc(num, sizeof(int));
|
|
if (*formats == NULL) {
|
|
*num_formats = 0;
|
|
return;
|
|
}
|
|
|
|
if (fallback) {
|
|
memcpy(*formats, fallback_formats, num * sizeof(int));
|
|
*num_formats = num;
|
|
return;
|
|
}
|
|
|
|
if (!gr->query_dmabuf_formats(gr->egl_display, num, *formats, &num)) {
|
|
*num_formats = 0;
|
|
free(*formats);
|
|
return;
|
|
}
|
|
|
|
*num_formats = num;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_query_dmabuf_modifiers_full(struct gl_renderer *gr, int format,
|
|
uint64_t **modifiers,
|
|
unsigned **external_only,
|
|
int *num_modifiers)
|
|
{
|
|
int num;
|
|
|
|
assert(gr->has_dmabuf_import);
|
|
|
|
if (!gr->has_dmabuf_import_modifiers ||
|
|
!gr->query_dmabuf_modifiers(gr->egl_display, format, 0, NULL,
|
|
NULL, &num) ||
|
|
num == 0) {
|
|
*num_modifiers = 0;
|
|
return;
|
|
}
|
|
|
|
*modifiers = calloc(num, sizeof(uint64_t));
|
|
if (*modifiers == NULL) {
|
|
*num_modifiers = 0;
|
|
return;
|
|
}
|
|
if (external_only) {
|
|
*external_only = calloc(num, sizeof(unsigned));
|
|
if (*external_only == NULL) {
|
|
*num_modifiers = 0;
|
|
free(*modifiers);
|
|
return;
|
|
}
|
|
}
|
|
if (!gr->query_dmabuf_modifiers(gr->egl_display, format,
|
|
num, *modifiers, external_only ?
|
|
*external_only : NULL, &num)) {
|
|
*num_modifiers = 0;
|
|
free(*modifiers);
|
|
if (external_only)
|
|
free(*external_only);
|
|
return;
|
|
}
|
|
|
|
*num_modifiers = num;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_query_dmabuf_modifiers(struct weston_compositor *wc, int format,
|
|
uint64_t **modifiers,
|
|
int *num_modifiers)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(wc);
|
|
|
|
gl_renderer_query_dmabuf_modifiers_full(gr, format, modifiers, NULL,
|
|
num_modifiers);
|
|
}
|
|
|
|
static bool
|
|
gl_renderer_import_dmabuf(struct weston_compositor *ec,
|
|
struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct dmabuf_image *image;
|
|
int i;
|
|
|
|
assert(gr->has_dmabuf_import);
|
|
|
|
for (i = 0; i < dmabuf->attributes.n_planes; i++) {
|
|
/* return if EGL doesn't support import modifiers */
|
|
if (dmabuf->attributes.modifier[i] != DRM_FORMAT_MOD_INVALID)
|
|
if (!gr->has_dmabuf_import_modifiers)
|
|
return false;
|
|
|
|
/* return if modifiers passed are unequal */
|
|
if (dmabuf->attributes.modifier[i] !=
|
|
dmabuf->attributes.modifier[0])
|
|
return false;
|
|
}
|
|
|
|
/* reject all flags we do not recognize or handle */
|
|
if (dmabuf->attributes.flags & ~ZWP_LINUX_BUFFER_PARAMS_V1_FLAGS_Y_INVERT)
|
|
return false;
|
|
|
|
image = import_dmabuf(gr, dmabuf);
|
|
if (!image)
|
|
return false;
|
|
|
|
wl_list_insert(&gr->dmabuf_images, &image->link);
|
|
linux_dmabuf_buffer_set_user_data(dmabuf, image,
|
|
gl_renderer_destroy_dmabuf);
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
import_known_dmabuf(struct gl_renderer *gr,
|
|
struct dmabuf_image *image)
|
|
{
|
|
switch (image->import_type) {
|
|
case IMPORT_TYPE_DIRECT:
|
|
image->images[0] = import_simple_dmabuf(gr, &image->dmabuf->attributes);
|
|
if (!image->images[0])
|
|
return false;
|
|
image->num_images = 1;
|
|
break;
|
|
|
|
case IMPORT_TYPE_GL_CONVERSION:
|
|
if (!import_yuv_dmabuf(gr, image))
|
|
return false;
|
|
break;
|
|
|
|
default:
|
|
weston_log("Invalid import type for dmabuf\n");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
dmabuf_is_opaque(struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
const struct pixel_format_info *info;
|
|
|
|
info = pixel_format_get_info(dmabuf->attributes.format &
|
|
~DRM_FORMAT_BIG_ENDIAN);
|
|
if (!info)
|
|
return false;
|
|
|
|
return pixel_format_is_opaque(info);
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach_dmabuf(struct weston_surface *surface,
|
|
struct weston_buffer *buffer,
|
|
struct linux_dmabuf_buffer *dmabuf)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
struct dmabuf_image *image;
|
|
int i;
|
|
|
|
if (!gr->has_dmabuf_import) {
|
|
linux_dmabuf_buffer_send_server_error(dmabuf,
|
|
"EGL dmabuf import not supported");
|
|
return;
|
|
}
|
|
|
|
buffer->width = dmabuf->attributes.width;
|
|
buffer->height = dmabuf->attributes.height;
|
|
|
|
/*
|
|
* GL-renderer uses the OpenGL convention of texture coordinates, where
|
|
* the origin is at bottom-left. Because dmabuf buffers have the origin
|
|
* at top-left, we must invert the Y_INVERT flag to get the image right.
|
|
*/
|
|
buffer->y_inverted =
|
|
!(dmabuf->attributes.flags & ZWP_LINUX_BUFFER_PARAMS_V1_FLAGS_Y_INVERT);
|
|
|
|
for (i = 0; i < gs->num_images; i++)
|
|
egl_image_unref(gs->images[i]);
|
|
gs->num_images = 0;
|
|
|
|
gs->pitch = buffer->width;
|
|
gs->height = buffer->height;
|
|
gs->buffer_type = BUFFER_TYPE_EGL;
|
|
gs->y_inverted = buffer->y_inverted;
|
|
gs->direct_display = dmabuf->direct_display;
|
|
surface->is_opaque = dmabuf_is_opaque(dmabuf);
|
|
|
|
/*
|
|
* We try to always hold an imported EGLImage from the dmabuf
|
|
* to prevent the client from preventing re-imports. But, we also
|
|
* need to re-import every time the contents may change because
|
|
* GL driver's caching may need flushing.
|
|
*
|
|
* Here we release the cache reference which has to be final.
|
|
*/
|
|
if (dmabuf->direct_display)
|
|
return;
|
|
|
|
image = linux_dmabuf_buffer_get_user_data(dmabuf);
|
|
|
|
/* The dmabuf_image should have been created during the import */
|
|
assert(image != NULL);
|
|
|
|
for (i = 0; i < image->num_images; ++i)
|
|
egl_image_unref(image->images[i]);
|
|
|
|
if (!import_known_dmabuf(gr, image)) {
|
|
linux_dmabuf_buffer_send_server_error(dmabuf, "EGL dmabuf import failed");
|
|
return;
|
|
}
|
|
|
|
gs->num_images = image->num_images;
|
|
for (i = 0; i < gs->num_images; ++i)
|
|
gs->images[i] = egl_image_ref(image->images[i]);
|
|
|
|
gs->target = image->target;
|
|
ensure_textures(gs, gs->num_images);
|
|
for (i = 0; i < gs->num_images; ++i) {
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
glBindTexture(gs->target, gs->textures[i]);
|
|
gr->image_target_texture_2d(gs->target, gs->images[i]->image);
|
|
}
|
|
|
|
gs->shader_requirements.variant = image->shader_variant;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_attach(struct weston_surface *es, struct weston_buffer *buffer)
|
|
{
|
|
struct weston_compositor *ec = es->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct gl_surface_state *gs = get_surface_state(es);
|
|
struct wl_shm_buffer *shm_buffer;
|
|
struct linux_dmabuf_buffer *dmabuf;
|
|
EGLint format;
|
|
int i;
|
|
|
|
weston_buffer_reference(&gs->buffer_ref, buffer);
|
|
weston_buffer_release_reference(&gs->buffer_release_ref,
|
|
es->buffer_release_ref.buffer_release);
|
|
|
|
if (!buffer) {
|
|
for (i = 0; i < gs->num_images; i++) {
|
|
egl_image_unref(gs->images[i]);
|
|
gs->images[i] = NULL;
|
|
}
|
|
gs->num_images = 0;
|
|
glDeleteTextures(gs->num_textures, gs->textures);
|
|
gs->num_textures = 0;
|
|
gs->buffer_type = BUFFER_TYPE_NULL;
|
|
gs->y_inverted = true;
|
|
gs->direct_display = false;
|
|
es->is_opaque = false;
|
|
return;
|
|
}
|
|
|
|
shm_buffer = wl_shm_buffer_get(buffer->resource);
|
|
|
|
if (shm_buffer)
|
|
gl_renderer_attach_shm(es, buffer, shm_buffer);
|
|
else if (gr->has_bind_display &&
|
|
gr->query_buffer(gr->egl_display, (void *)buffer->resource,
|
|
EGL_TEXTURE_FORMAT, &format))
|
|
gl_renderer_attach_egl(es, buffer, format);
|
|
else if ((dmabuf = linux_dmabuf_buffer_get(buffer->resource)))
|
|
gl_renderer_attach_dmabuf(es, buffer, dmabuf);
|
|
else {
|
|
weston_log("unhandled buffer type!\n");
|
|
if (gr->has_bind_display) {
|
|
weston_log("eglQueryWaylandBufferWL failed\n");
|
|
gl_renderer_print_egl_error_state();
|
|
}
|
|
weston_buffer_reference(&gs->buffer_ref, NULL);
|
|
weston_buffer_release_reference(&gs->buffer_release_ref, NULL);
|
|
gs->buffer_type = BUFFER_TYPE_NULL;
|
|
gs->y_inverted = true;
|
|
es->is_opaque = false;
|
|
weston_buffer_send_server_error(buffer,
|
|
"disconnecting due to unhandled buffer type");
|
|
}
|
|
}
|
|
|
|
static void
|
|
gl_renderer_surface_set_color(struct weston_surface *surface,
|
|
float red, float green, float blue, float alpha)
|
|
{
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
|
|
gs->color[0] = red;
|
|
gs->color[1] = green;
|
|
gs->color[2] = blue;
|
|
gs->color[3] = alpha;
|
|
gs->buffer_type = BUFFER_TYPE_SOLID;
|
|
gs->pitch = 1;
|
|
gs->height = 1;
|
|
|
|
gs->shader_requirements.variant = SHADER_VARIANT_SOLID;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_surface_get_content_size(struct weston_surface *surface,
|
|
int *width, int *height)
|
|
{
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
|
|
if (gs->buffer_type == BUFFER_TYPE_NULL) {
|
|
*width = 0;
|
|
*height = 0;
|
|
} else {
|
|
*width = gs->pitch;
|
|
*height = gs->height;
|
|
}
|
|
}
|
|
|
|
static uint32_t
|
|
pack_color(pixman_format_code_t format, float *c)
|
|
{
|
|
uint8_t r = round(c[0] * 255.0f);
|
|
uint8_t g = round(c[1] * 255.0f);
|
|
uint8_t b = round(c[2] * 255.0f);
|
|
uint8_t a = round(c[3] * 255.0f);
|
|
|
|
switch (format) {
|
|
case PIXMAN_a8b8g8r8:
|
|
return (a << 24) | (b << 16) | (g << 8) | r;
|
|
default:
|
|
assert(0);
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int
|
|
gl_renderer_surface_copy_content(struct weston_surface *surface,
|
|
void *target, size_t size,
|
|
int src_x, int src_y,
|
|
int width, int height)
|
|
{
|
|
static const GLfloat verts[4 * 2] = {
|
|
0.0f, 0.0f,
|
|
1.0f, 0.0f,
|
|
1.0f, 1.0f,
|
|
0.0f, 1.0f
|
|
};
|
|
static const GLfloat projmat_normal[16] = { /* transpose */
|
|
2.0f, 0.0f, 0.0f, 0.0f,
|
|
0.0f, 2.0f, 0.0f, 0.0f,
|
|
0.0f, 0.0f, 1.0f, 0.0f,
|
|
-1.0f, -1.0f, 0.0f, 1.0f
|
|
};
|
|
static const GLfloat projmat_yinvert[16] = { /* transpose */
|
|
2.0f, 0.0f, 0.0f, 0.0f,
|
|
0.0f, -2.0f, 0.0f, 0.0f,
|
|
0.0f, 0.0f, 1.0f, 0.0f,
|
|
-1.0f, 1.0f, 0.0f, 1.0f
|
|
};
|
|
const pixman_format_code_t format = PIXMAN_a8b8g8r8;
|
|
const size_t bytespp = 4; /* PIXMAN_a8b8g8r8 */
|
|
const GLenum gl_format = GL_RGBA; /* PIXMAN_a8b8g8r8 little-endian */
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
struct gl_surface_state *gs = get_surface_state(surface);
|
|
struct gl_shader *shader;
|
|
int cw, ch;
|
|
GLuint fbo;
|
|
GLuint tex;
|
|
GLenum status;
|
|
const GLfloat *proj;
|
|
int i;
|
|
|
|
gl_renderer_surface_get_content_size(surface, &cw, &ch);
|
|
|
|
switch (gs->buffer_type) {
|
|
case BUFFER_TYPE_NULL:
|
|
return -1;
|
|
case BUFFER_TYPE_SOLID:
|
|
*(uint32_t *)target = pack_color(format, gs->color);
|
|
return 0;
|
|
case BUFFER_TYPE_SHM:
|
|
gl_renderer_flush_damage(surface);
|
|
/* fall through */
|
|
case BUFFER_TYPE_EGL:
|
|
break;
|
|
}
|
|
|
|
shader = gl_renderer_get_program(gr, &gs->shader_requirements);
|
|
if (!gl_renderer_use_program(gr, &shader))
|
|
return -1;
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
glGenTextures(1, &tex);
|
|
glBindTexture(GL_TEXTURE_2D, tex);
|
|
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, cw, ch,
|
|
0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
|
|
glBindTexture(GL_TEXTURE_2D, 0);
|
|
|
|
glGenFramebuffers(1, &fbo);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
|
|
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0,
|
|
GL_TEXTURE_2D, tex, 0);
|
|
|
|
status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
|
|
if (status != GL_FRAMEBUFFER_COMPLETE) {
|
|
weston_log("%s: fbo error: %#x\n", __func__, status);
|
|
glDeleteFramebuffers(1, &fbo);
|
|
glDeleteTextures(1, &tex);
|
|
return -1;
|
|
}
|
|
|
|
glViewport(0, 0, cw, ch);
|
|
glDisable(GL_BLEND);
|
|
if (gs->y_inverted)
|
|
proj = projmat_normal;
|
|
else
|
|
proj = projmat_yinvert;
|
|
|
|
glUniformMatrix4fv(shader->proj_uniform, 1, GL_FALSE, proj);
|
|
glUniform1f(shader->alpha_uniform, 1.0f);
|
|
|
|
for (i = 0; i < gs->num_textures; i++) {
|
|
glUniform1i(shader->tex_uniforms[i], i);
|
|
|
|
glActiveTexture(GL_TEXTURE0 + i);
|
|
glBindTexture(gs->target, gs->textures[i]);
|
|
glTexParameteri(gs->target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
glTexParameteri(gs->target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
}
|
|
|
|
/* position: */
|
|
glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, verts);
|
|
glEnableVertexAttribArray(0);
|
|
|
|
/* texcoord: */
|
|
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, verts);
|
|
glEnableVertexAttribArray(1);
|
|
|
|
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
|
|
|
|
glDisableVertexAttribArray(1);
|
|
glDisableVertexAttribArray(0);
|
|
|
|
glPixelStorei(GL_PACK_ALIGNMENT, bytespp);
|
|
glReadPixels(src_x, src_y, width, height, gl_format,
|
|
GL_UNSIGNED_BYTE, target);
|
|
|
|
glDeleteFramebuffers(1, &fbo);
|
|
glDeleteTextures(1, &tex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
surface_state_destroy(struct gl_surface_state *gs, struct gl_renderer *gr)
|
|
{
|
|
int i;
|
|
|
|
wl_list_remove(&gs->surface_destroy_listener.link);
|
|
wl_list_remove(&gs->renderer_destroy_listener.link);
|
|
|
|
gs->surface->renderer_state = NULL;
|
|
|
|
glDeleteTextures(gs->num_textures, gs->textures);
|
|
|
|
for (i = 0; i < gs->num_images; i++)
|
|
egl_image_unref(gs->images[i]);
|
|
|
|
weston_buffer_reference(&gs->buffer_ref, NULL);
|
|
weston_buffer_release_reference(&gs->buffer_release_ref, NULL);
|
|
pixman_region32_fini(&gs->texture_damage);
|
|
free(gs);
|
|
}
|
|
|
|
static void
|
|
surface_state_handle_surface_destroy(struct wl_listener *listener, void *data)
|
|
{
|
|
struct gl_surface_state *gs;
|
|
struct gl_renderer *gr;
|
|
|
|
gs = container_of(listener, struct gl_surface_state,
|
|
surface_destroy_listener);
|
|
|
|
gr = get_renderer(gs->surface->compositor);
|
|
|
|
surface_state_destroy(gs, gr);
|
|
}
|
|
|
|
static void
|
|
surface_state_handle_renderer_destroy(struct wl_listener *listener, void *data)
|
|
{
|
|
struct gl_surface_state *gs;
|
|
struct gl_renderer *gr;
|
|
|
|
gr = data;
|
|
|
|
gs = container_of(listener, struct gl_surface_state,
|
|
renderer_destroy_listener);
|
|
|
|
surface_state_destroy(gs, gr);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_create_surface(struct weston_surface *surface)
|
|
{
|
|
struct gl_surface_state *gs;
|
|
struct gl_renderer *gr = get_renderer(surface->compositor);
|
|
|
|
gs = zalloc(sizeof *gs);
|
|
if (gs == NULL)
|
|
return -1;
|
|
|
|
/* A buffer is never attached to solid color surfaces, yet
|
|
* they still go through texcoord computations. Do not divide
|
|
* by zero there.
|
|
*/
|
|
gs->pitch = 1;
|
|
gs->y_inverted = true;
|
|
gs->direct_display = false;
|
|
|
|
gs->surface = surface;
|
|
|
|
pixman_region32_init(&gs->texture_damage);
|
|
surface->renderer_state = gs;
|
|
|
|
gs->surface_destroy_listener.notify =
|
|
surface_state_handle_surface_destroy;
|
|
wl_signal_add(&surface->destroy_signal,
|
|
&gs->surface_destroy_listener);
|
|
|
|
gs->renderer_destroy_listener.notify =
|
|
surface_state_handle_renderer_destroy;
|
|
wl_signal_add(&gr->destroy_signal,
|
|
&gs->renderer_destroy_listener);
|
|
|
|
if (surface->buffer_ref.buffer) {
|
|
gl_renderer_attach(surface, surface->buffer_ref.buffer);
|
|
gl_renderer_flush_damage(surface);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
gl_renderer_log_extensions(const char *name, const char *extensions)
|
|
{
|
|
const char *p, *end;
|
|
int l;
|
|
int len;
|
|
|
|
l = weston_log("%s:", name);
|
|
p = extensions;
|
|
while (*p) {
|
|
end = strchrnul(p, ' ');
|
|
len = end - p;
|
|
if (l + len > 78)
|
|
l = weston_log_continue("\n" STAMP_SPACE "%.*s",
|
|
len, p);
|
|
else
|
|
l += weston_log_continue(" %.*s", len, p);
|
|
for (p = end; isspace(*p); p++)
|
|
;
|
|
}
|
|
weston_log_continue("\n");
|
|
}
|
|
|
|
static void
|
|
log_egl_info(EGLDisplay egldpy)
|
|
{
|
|
const char *str;
|
|
|
|
str = eglQueryString(egldpy, EGL_VERSION);
|
|
weston_log("EGL version: %s\n", str ? str : "(null)");
|
|
|
|
str = eglQueryString(egldpy, EGL_VENDOR);
|
|
weston_log("EGL vendor: %s\n", str ? str : "(null)");
|
|
|
|
str = eglQueryString(egldpy, EGL_CLIENT_APIS);
|
|
weston_log("EGL client APIs: %s\n", str ? str : "(null)");
|
|
|
|
str = eglQueryString(egldpy, EGL_EXTENSIONS);
|
|
gl_renderer_log_extensions("EGL extensions", str ? str : "(null)");
|
|
}
|
|
|
|
static void
|
|
log_gl_info(void)
|
|
{
|
|
const char *str;
|
|
|
|
str = (char *)glGetString(GL_VERSION);
|
|
weston_log("GL version: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_SHADING_LANGUAGE_VERSION);
|
|
weston_log("GLSL version: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_VENDOR);
|
|
weston_log("GL vendor: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_RENDERER);
|
|
weston_log("GL renderer: %s\n", str ? str : "(null)");
|
|
|
|
str = (char *)glGetString(GL_EXTENSIONS);
|
|
gl_renderer_log_extensions("GL extensions", str ? str : "(null)");
|
|
}
|
|
|
|
static void
|
|
gl_renderer_output_set_border(struct weston_output *output,
|
|
enum gl_renderer_border_side side,
|
|
int32_t width, int32_t height,
|
|
int32_t tex_width, unsigned char *data)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
|
|
if (go->borders[side].width != width ||
|
|
go->borders[side].height != height)
|
|
/* In this case, we have to blow everything and do a full
|
|
* repaint. */
|
|
go->border_status |= BORDER_SIZE_CHANGED | BORDER_ALL_DIRTY;
|
|
|
|
if (data == NULL) {
|
|
width = 0;
|
|
height = 0;
|
|
}
|
|
|
|
go->borders[side].width = width;
|
|
go->borders[side].height = height;
|
|
go->borders[side].tex_width = tex_width;
|
|
go->borders[side].data = data;
|
|
go->border_status |= 1 << side;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_setup(struct weston_compositor *ec, EGLSurface egl_surface);
|
|
|
|
static EGLSurface
|
|
gl_renderer_create_window_surface(struct gl_renderer *gr,
|
|
EGLNativeWindowType window_for_legacy,
|
|
void *window_for_platform,
|
|
const uint32_t *drm_formats,
|
|
unsigned drm_formats_count)
|
|
{
|
|
EGLSurface egl_surface = EGL_NO_SURFACE;
|
|
EGLConfig egl_config;
|
|
|
|
egl_config = gl_renderer_get_egl_config(gr, EGL_WINDOW_BIT,
|
|
drm_formats, drm_formats_count);
|
|
if (egl_config == EGL_NO_CONFIG_KHR)
|
|
return EGL_NO_SURFACE;
|
|
|
|
log_egl_config_info(gr->egl_display, egl_config);
|
|
|
|
if (gr->create_platform_window)
|
|
egl_surface = gr->create_platform_window(gr->egl_display,
|
|
egl_config,
|
|
window_for_platform,
|
|
NULL);
|
|
else
|
|
egl_surface = eglCreateWindowSurface(gr->egl_display,
|
|
egl_config,
|
|
window_for_legacy, NULL);
|
|
|
|
return egl_surface;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_output_create(struct weston_output *output,
|
|
EGLSurface surface)
|
|
{
|
|
struct gl_output_state *go;
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
const struct weston_testsuite_quirks *quirks;
|
|
GLint internal_format;
|
|
bool ret;
|
|
int i;
|
|
|
|
quirks = &output->compositor->test_data.test_quirks;
|
|
|
|
go = zalloc(sizeof *go);
|
|
if (go == NULL)
|
|
return -1;
|
|
|
|
go->egl_surface = surface;
|
|
|
|
for (i = 0; i < BUFFER_DAMAGE_COUNT; i++)
|
|
pixman_region32_init(&go->buffer_damage[i]);
|
|
|
|
wl_list_init(&go->timeline_render_point_list);
|
|
|
|
go->begin_render_sync = EGL_NO_SYNC_KHR;
|
|
go->end_render_sync = EGL_NO_SYNC_KHR;
|
|
|
|
if (output->use_renderer_shadow_buffer) {
|
|
assert(gr->gl_half_float_type);
|
|
|
|
if (gr->gl_half_float_type == GL_HALF_FLOAT_OES)
|
|
internal_format = GL_RGBA;
|
|
else
|
|
internal_format = GL_RGBA16F;
|
|
|
|
ret = gl_fbo_texture_init(&go->shadow,
|
|
output->current_mode->width,
|
|
output->current_mode->height,
|
|
internal_format,
|
|
GL_RGBA,
|
|
gr->gl_half_float_type);
|
|
if (ret) {
|
|
weston_log("Output %s uses 16F shadow.\n",
|
|
output->name);
|
|
} else {
|
|
weston_log("Output %s failed to create 16F shadow.\n",
|
|
output->name);
|
|
free(go);
|
|
return -1;
|
|
}
|
|
} else if (quirks->gl_force_full_redraw_of_shadow_fb) {
|
|
weston_log("ERROR: gl_force_full_redraw_of_shadow_fb quirk used but shadow fb was not enabled.\n");
|
|
abort();
|
|
}
|
|
|
|
output->renderer_state = go;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_output_window_create(struct weston_output *output,
|
|
const struct gl_renderer_output_options *options)
|
|
{
|
|
struct weston_compositor *ec = output->compositor;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
EGLSurface egl_surface = EGL_NO_SURFACE;
|
|
int ret = 0;
|
|
|
|
egl_surface = gl_renderer_create_window_surface(gr,
|
|
options->window_for_legacy,
|
|
options->window_for_platform,
|
|
options->drm_formats,
|
|
options->drm_formats_count);
|
|
if (egl_surface == EGL_NO_SURFACE) {
|
|
weston_log("failed to create egl surface\n");
|
|
return -1;
|
|
}
|
|
|
|
ret = gl_renderer_output_create(output, egl_surface);
|
|
if (ret < 0)
|
|
weston_platform_destroy_egl_surface(gr->egl_display, egl_surface);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_output_pbuffer_create(struct weston_output *output,
|
|
const struct gl_renderer_pbuffer_options *options)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_output_state *go;
|
|
EGLConfig pbuffer_config;
|
|
EGLSurface egl_surface;
|
|
EGLint value = 0;
|
|
int ret;
|
|
EGLint pbuffer_attribs[] = {
|
|
EGL_WIDTH, options->width,
|
|
EGL_HEIGHT, options->height,
|
|
EGL_NONE
|
|
};
|
|
|
|
pbuffer_config = gl_renderer_get_egl_config(gr, EGL_PBUFFER_BIT,
|
|
options->drm_formats,
|
|
options->drm_formats_count);
|
|
if (pbuffer_config == EGL_NO_CONFIG_KHR) {
|
|
weston_log("failed to choose EGL config for PbufferSurface\n");
|
|
return -1;
|
|
}
|
|
|
|
log_egl_config_info(gr->egl_display, pbuffer_config);
|
|
|
|
egl_surface = eglCreatePbufferSurface(gr->egl_display, pbuffer_config,
|
|
pbuffer_attribs);
|
|
if (egl_surface == EGL_NO_SURFACE) {
|
|
weston_log("failed to create egl surface\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
eglSurfaceAttrib(gr->egl_display, egl_surface,
|
|
EGL_SWAP_BEHAVIOR, EGL_BUFFER_PRESERVED);
|
|
if (!eglQuerySurface(gr->egl_display, egl_surface,
|
|
EGL_SWAP_BEHAVIOR, &value) ||
|
|
value != EGL_BUFFER_PRESERVED) {
|
|
weston_log("Error: pbuffer surface does not support EGL_BUFFER_PRESERVED, got 0x%x."
|
|
" Continuing anyway.\n", value);
|
|
}
|
|
|
|
ret = gl_renderer_output_create(output, egl_surface);
|
|
if (ret < 0) {
|
|
eglDestroySurface(gr->egl_display, egl_surface);
|
|
} else {
|
|
go = get_output_state(output);
|
|
go->swap_behavior_is_preserved = true;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_output_destroy(struct weston_output *output)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct timeline_render_point *trp, *tmp;
|
|
int i;
|
|
|
|
for (i = 0; i < 2; i++)
|
|
pixman_region32_fini(&go->buffer_damage[i]);
|
|
|
|
if (shadow_exists(go))
|
|
gl_fbo_texture_fini(&go->shadow);
|
|
|
|
eglMakeCurrent(gr->egl_display,
|
|
EGL_NO_SURFACE, EGL_NO_SURFACE,
|
|
EGL_NO_CONTEXT);
|
|
|
|
weston_platform_destroy_egl_surface(gr->egl_display, go->egl_surface);
|
|
|
|
if (!wl_list_empty(&go->timeline_render_point_list))
|
|
weston_log("warning: discarding pending timeline render"
|
|
"objects at output destruction");
|
|
|
|
wl_list_for_each_safe(trp, tmp, &go->timeline_render_point_list, link)
|
|
timeline_render_point_destroy(trp);
|
|
|
|
if (go->begin_render_sync != EGL_NO_SYNC_KHR)
|
|
gr->destroy_sync(gr->egl_display, go->begin_render_sync);
|
|
if (go->end_render_sync != EGL_NO_SYNC_KHR)
|
|
gr->destroy_sync(gr->egl_display, go->end_render_sync);
|
|
|
|
free(go);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_create_fence_fd(struct weston_output *output)
|
|
{
|
|
struct gl_output_state *go = get_output_state(output);
|
|
struct gl_renderer *gr = get_renderer(output->compositor);
|
|
int fd;
|
|
|
|
if (go->end_render_sync == EGL_NO_SYNC_KHR)
|
|
return -1;
|
|
|
|
fd = gr->dup_native_fence_fd(gr->egl_display, go->end_render_sync);
|
|
if (fd == EGL_NO_NATIVE_FENCE_FD_ANDROID)
|
|
return -1;
|
|
|
|
return fd;
|
|
}
|
|
|
|
static void
|
|
gl_renderer_destroy(struct weston_compositor *ec)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct dmabuf_image *image, *next;
|
|
struct dmabuf_format *format, *next_format;
|
|
struct gl_shader *shader, *next_shader;
|
|
|
|
wl_signal_emit(&gr->destroy_signal, gr);
|
|
|
|
if (gr->has_bind_display)
|
|
gr->unbind_display(gr->egl_display, ec->wl_display);
|
|
|
|
wl_list_for_each_safe(shader, next_shader, &gr->shader_list, link)
|
|
gl_shader_destroy(gr, shader);
|
|
|
|
if (gr->fallback_shader)
|
|
gl_shader_destroy(gr, gr->fallback_shader);
|
|
|
|
/* Work around crash in egl_dri2.c's dri2_make_current() - when does this apply? */
|
|
eglMakeCurrent(gr->egl_display,
|
|
EGL_NO_SURFACE, EGL_NO_SURFACE,
|
|
EGL_NO_CONTEXT);
|
|
|
|
wl_list_for_each_safe(image, next, &gr->dmabuf_images, link)
|
|
dmabuf_image_destroy(image);
|
|
|
|
wl_list_for_each_safe(format, next_format, &gr->dmabuf_formats, link)
|
|
dmabuf_format_destroy(format);
|
|
|
|
if (gr->dummy_surface != EGL_NO_SURFACE)
|
|
weston_platform_destroy_egl_surface(gr->egl_display,
|
|
gr->dummy_surface);
|
|
|
|
eglTerminate(gr->egl_display);
|
|
eglReleaseThread();
|
|
|
|
wl_list_remove(&gr->output_destroy_listener.link);
|
|
|
|
wl_array_release(&gr->vertices);
|
|
wl_array_release(&gr->vtxcnt);
|
|
|
|
if (gr->fragment_binding)
|
|
weston_binding_destroy(gr->fragment_binding);
|
|
if (gr->fan_binding)
|
|
weston_binding_destroy(gr->fan_binding);
|
|
|
|
weston_log_scope_destroy(gr->shader_scope);
|
|
free(gr);
|
|
}
|
|
|
|
static void
|
|
output_handle_destroy(struct wl_listener *listener, void *data)
|
|
{
|
|
struct gl_renderer *gr;
|
|
struct weston_output *output = data;
|
|
|
|
gr = container_of(listener, struct gl_renderer,
|
|
output_destroy_listener);
|
|
|
|
if (wl_list_empty(&output->compositor->output_list))
|
|
eglMakeCurrent(gr->egl_display, gr->dummy_surface,
|
|
gr->dummy_surface, gr->egl_context);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_create_pbuffer_surface(struct gl_renderer *gr) {
|
|
EGLConfig pbuffer_config;
|
|
static const EGLint pbuffer_attribs[] = {
|
|
EGL_WIDTH, 10,
|
|
EGL_HEIGHT, 10,
|
|
EGL_NONE
|
|
};
|
|
|
|
pbuffer_config = gr->egl_config;
|
|
if (pbuffer_config == EGL_NO_CONFIG_KHR) {
|
|
pbuffer_config =
|
|
gl_renderer_get_egl_config(gr, EGL_PBUFFER_BIT,
|
|
NULL, 0);
|
|
}
|
|
if (pbuffer_config == EGL_NO_CONFIG_KHR) {
|
|
weston_log("failed to choose EGL config for PbufferSurface\n");
|
|
return -1;
|
|
}
|
|
|
|
gr->dummy_surface = eglCreatePbufferSurface(gr->egl_display,
|
|
pbuffer_config,
|
|
pbuffer_attribs);
|
|
|
|
if (gr->dummy_surface == EGL_NO_SURFACE) {
|
|
weston_log("failed to create PbufferSurface\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
gl_renderer_display_create(struct weston_compositor *ec,
|
|
const struct gl_renderer_display_options *options)
|
|
{
|
|
struct gl_renderer *gr;
|
|
|
|
gr = zalloc(sizeof *gr);
|
|
if (gr == NULL)
|
|
return -1;
|
|
|
|
gr->compositor = ec;
|
|
wl_list_init(&gr->shader_list);
|
|
gr->platform = options->egl_platform;
|
|
|
|
gr->shader_scope = gl_shader_scope_create(gr);
|
|
if (!gr->shader_scope)
|
|
goto fail;
|
|
|
|
if (gl_renderer_setup_egl_client_extensions(gr) < 0)
|
|
goto fail;
|
|
|
|
gr->base.read_pixels = gl_renderer_read_pixels;
|
|
gr->base.repaint_output = gl_renderer_repaint_output;
|
|
gr->base.flush_damage = gl_renderer_flush_damage;
|
|
gr->base.attach = gl_renderer_attach;
|
|
gr->base.surface_set_color = gl_renderer_surface_set_color;
|
|
gr->base.destroy = gl_renderer_destroy;
|
|
gr->base.surface_get_content_size =
|
|
gl_renderer_surface_get_content_size;
|
|
gr->base.surface_copy_content = gl_renderer_surface_copy_content;
|
|
|
|
if (gl_renderer_setup_egl_display(gr, options->egl_native_display) < 0)
|
|
goto fail;
|
|
|
|
log_egl_info(gr->egl_display);
|
|
|
|
ec->renderer = &gr->base;
|
|
|
|
if (gl_renderer_setup_egl_extensions(ec) < 0)
|
|
goto fail_with_error;
|
|
|
|
if (!gr->has_configless_context) {
|
|
EGLint egl_surface_type = options->egl_surface_type;
|
|
|
|
if (!gr->has_surfaceless_context)
|
|
egl_surface_type |= EGL_PBUFFER_BIT;
|
|
|
|
gr->egl_config =
|
|
gl_renderer_get_egl_config(gr,
|
|
egl_surface_type,
|
|
options->drm_formats,
|
|
options->drm_formats_count);
|
|
if (gr->egl_config == EGL_NO_CONFIG_KHR) {
|
|
weston_log("failed to choose EGL config\n");
|
|
goto fail_terminate;
|
|
}
|
|
}
|
|
|
|
ec->capabilities |= WESTON_CAP_ROTATION_ANY;
|
|
ec->capabilities |= WESTON_CAP_CAPTURE_YFLIP;
|
|
ec->capabilities |= WESTON_CAP_VIEW_CLIP_MASK;
|
|
if (gr->has_native_fence_sync && gr->has_wait_sync)
|
|
ec->capabilities |= WESTON_CAP_EXPLICIT_SYNC;
|
|
|
|
wl_list_init(&gr->dmabuf_images);
|
|
if (gr->has_dmabuf_import) {
|
|
gr->base.import_dmabuf = gl_renderer_import_dmabuf;
|
|
gr->base.query_dmabuf_formats =
|
|
gl_renderer_query_dmabuf_formats;
|
|
gr->base.query_dmabuf_modifiers =
|
|
gl_renderer_query_dmabuf_modifiers;
|
|
}
|
|
wl_list_init(&gr->dmabuf_formats);
|
|
|
|
if (gr->has_surfaceless_context) {
|
|
weston_log("EGL_KHR_surfaceless_context available\n");
|
|
gr->dummy_surface = EGL_NO_SURFACE;
|
|
} else {
|
|
weston_log("EGL_KHR_surfaceless_context unavailable. "
|
|
"Trying PbufferSurface\n");
|
|
|
|
if (gl_renderer_create_pbuffer_surface(gr) < 0)
|
|
goto fail_with_error;
|
|
}
|
|
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_RGB565);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_YUV420);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_NV12);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_YUYV);
|
|
wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_XYUV8888);
|
|
|
|
wl_signal_init(&gr->destroy_signal);
|
|
|
|
if (gl_renderer_setup(ec, gr->dummy_surface) < 0) {
|
|
if (gr->dummy_surface != EGL_NO_SURFACE)
|
|
weston_platform_destroy_egl_surface(gr->egl_display,
|
|
gr->dummy_surface);
|
|
goto fail_with_error;
|
|
}
|
|
|
|
if (gr->gl_half_float_type != 0)
|
|
ec->capabilities |= WESTON_CAP_COLOR_OPS;
|
|
|
|
return 0;
|
|
|
|
fail_with_error:
|
|
gl_renderer_print_egl_error_state();
|
|
fail_terminate:
|
|
eglTerminate(gr->egl_display);
|
|
fail:
|
|
weston_log_scope_destroy(gr->shader_scope);
|
|
free(gr);
|
|
ec->renderer = NULL;
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
fragment_debug_binding(struct weston_keyboard *keyboard,
|
|
const struct timespec *time,
|
|
uint32_t key, void *data)
|
|
{
|
|
struct weston_compositor *ec = data;
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
struct weston_output *output;
|
|
|
|
gr->fragment_shader_debug = !gr->fragment_shader_debug;
|
|
|
|
wl_list_for_each(output, &ec->output_list, link)
|
|
weston_output_damage(output);
|
|
}
|
|
|
|
static void
|
|
fan_debug_repaint_binding(struct weston_keyboard *keyboard,
|
|
const struct timespec *time,
|
|
uint32_t key, void *data)
|
|
{
|
|
struct weston_compositor *compositor = data;
|
|
struct gl_renderer *gr = get_renderer(compositor);
|
|
|
|
gr->fan_debug = !gr->fan_debug;
|
|
weston_compositor_damage_all(compositor);
|
|
}
|
|
|
|
static uint32_t
|
|
get_gl_version(void)
|
|
{
|
|
const char *version;
|
|
int major, minor;
|
|
|
|
version = (const char *) glGetString(GL_VERSION);
|
|
if (version &&
|
|
(sscanf(version, "%d.%d", &major, &minor) == 2 ||
|
|
sscanf(version, "OpenGL ES %d.%d", &major, &minor) == 2) &&
|
|
major > 0 && minor >= 0) {
|
|
return gr_gl_version(major, minor);
|
|
}
|
|
|
|
weston_log("warning: failed to detect GLES version, defaulting to 2.0.\n");
|
|
return gr_gl_version(2, 0);
|
|
}
|
|
|
|
static int
|
|
gl_renderer_setup(struct weston_compositor *ec, EGLSurface egl_surface)
|
|
{
|
|
struct gl_renderer *gr = get_renderer(ec);
|
|
const char *extensions;
|
|
EGLBoolean ret;
|
|
|
|
EGLint context_attribs[16] = {
|
|
EGL_CONTEXT_CLIENT_VERSION, 0,
|
|
};
|
|
unsigned int nattr = 2;
|
|
|
|
if (!eglBindAPI(EGL_OPENGL_ES_API)) {
|
|
weston_log("failed to bind EGL_OPENGL_ES_API\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Being the compositor we require minimum output latency,
|
|
* so request a high priority context for ourselves - that should
|
|
* reschedule all of our rendering and its dependencies to be completed
|
|
* first. If the driver doesn't permit us to create a high priority
|
|
* context, it will fallback to the default priority (MEDIUM).
|
|
*/
|
|
if (gr->has_context_priority) {
|
|
context_attribs[nattr++] = EGL_CONTEXT_PRIORITY_LEVEL_IMG;
|
|
context_attribs[nattr++] = EGL_CONTEXT_PRIORITY_HIGH_IMG;
|
|
}
|
|
|
|
assert(nattr < ARRAY_LENGTH(context_attribs));
|
|
context_attribs[nattr] = EGL_NONE;
|
|
|
|
/* try to create an OpenGLES 3 context first */
|
|
context_attribs[1] = 3;
|
|
gr->egl_context = eglCreateContext(gr->egl_display, gr->egl_config,
|
|
EGL_NO_CONTEXT, context_attribs);
|
|
if (gr->egl_context == NULL) {
|
|
/* and then fallback to OpenGLES 2 */
|
|
context_attribs[1] = 2;
|
|
gr->egl_context = eglCreateContext(gr->egl_display,
|
|
gr->egl_config,
|
|
EGL_NO_CONTEXT,
|
|
context_attribs);
|
|
if (gr->egl_context == NULL) {
|
|
weston_log("failed to create context\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (gr->has_context_priority) {
|
|
EGLint value = EGL_CONTEXT_PRIORITY_MEDIUM_IMG;
|
|
|
|
eglQueryContext(gr->egl_display, gr->egl_context,
|
|
EGL_CONTEXT_PRIORITY_LEVEL_IMG, &value);
|
|
|
|
if (value != EGL_CONTEXT_PRIORITY_HIGH_IMG) {
|
|
weston_log("Failed to obtain a high priority context.\n");
|
|
/* Not an error, continue on as normal */
|
|
}
|
|
}
|
|
|
|
ret = eglMakeCurrent(gr->egl_display, egl_surface,
|
|
egl_surface, gr->egl_context);
|
|
if (ret == EGL_FALSE) {
|
|
weston_log("Failed to make EGL context current.\n");
|
|
gl_renderer_print_egl_error_state();
|
|
return -1;
|
|
}
|
|
|
|
gr->gl_version = get_gl_version();
|
|
log_gl_info();
|
|
|
|
gr->image_target_texture_2d =
|
|
(void *) eglGetProcAddress("glEGLImageTargetTexture2DOES");
|
|
|
|
extensions = (const char *) glGetString(GL_EXTENSIONS);
|
|
if (!extensions) {
|
|
weston_log("Retrieving GL extension string failed.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (!weston_check_egl_extension(extensions, "GL_EXT_texture_format_BGRA8888")) {
|
|
weston_log("GL_EXT_texture_format_BGRA8888 not available\n");
|
|
return -1;
|
|
}
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_EXT_read_format_bgra"))
|
|
ec->read_format = PIXMAN_a8r8g8b8;
|
|
else
|
|
ec->read_format = PIXMAN_a8b8g8r8;
|
|
|
|
if (gr->gl_version < gr_gl_version(3, 0) &&
|
|
!weston_check_egl_extension(extensions, "GL_EXT_unpack_subimage")) {
|
|
weston_log("GL_EXT_unpack_subimage not available.\n");
|
|
return -1;
|
|
}
|
|
|
|
if (gr->gl_version >= gr_gl_version(3, 0) ||
|
|
weston_check_egl_extension(extensions, "GL_EXT_texture_rg"))
|
|
gr->has_gl_texture_rg = true;
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_OES_EGL_image_external"))
|
|
gr->has_egl_image_external = true;
|
|
|
|
if (weston_check_egl_extension(extensions, "GL_EXT_color_buffer_half_float")) {
|
|
if (gr->gl_version >= gr_gl_version(3, 0))
|
|
gr->gl_half_float_type = GL_HALF_FLOAT;
|
|
else if (weston_check_egl_extension(extensions, "GL_OES_texture_half_float"))
|
|
gr->gl_half_float_type = GL_HALF_FLOAT_OES;
|
|
}
|
|
|
|
glActiveTexture(GL_TEXTURE0);
|
|
|
|
gr->fallback_shader = gl_renderer_create_fallback_shader(gr);
|
|
if (!gr->fallback_shader) {
|
|
weston_log("Error: compiling fallback shader failed.\n");
|
|
return -1;
|
|
}
|
|
|
|
gr->fragment_binding =
|
|
weston_compositor_add_debug_binding(ec, KEY_S,
|
|
fragment_debug_binding,
|
|
ec);
|
|
gr->fan_binding =
|
|
weston_compositor_add_debug_binding(ec, KEY_F,
|
|
fan_debug_repaint_binding,
|
|
ec);
|
|
|
|
gr->output_destroy_listener.notify = output_handle_destroy;
|
|
wl_signal_add(&ec->output_destroyed_signal,
|
|
&gr->output_destroy_listener);
|
|
|
|
weston_log("GL ES %d.%d - renderer features:\n",
|
|
gr_gl_version_major(gr->gl_version),
|
|
gr_gl_version_minor(gr->gl_version));
|
|
weston_log_continue(STAMP_SPACE "read-back format: %s\n",
|
|
ec->read_format == PIXMAN_a8r8g8b8 ? "BGRA" : "RGBA");
|
|
weston_log_continue(STAMP_SPACE "EGL Wayland extension: %s\n",
|
|
gr->has_bind_display ? "yes" : "no");
|
|
|
|
return 0;
|
|
}
|
|
|
|
WL_EXPORT struct gl_renderer_interface gl_renderer_interface = {
|
|
.display_create = gl_renderer_display_create,
|
|
.output_window_create = gl_renderer_output_window_create,
|
|
.output_pbuffer_create = gl_renderer_output_pbuffer_create,
|
|
.output_destroy = gl_renderer_output_destroy,
|
|
.output_set_border = gl_renderer_output_set_border,
|
|
.create_fence_fd = gl_renderer_create_fence_fd,
|
|
};
|
|
|