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250 lines
6.8 KiB
250 lines
6.8 KiB
/*
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* Copyright © 2019 Collabora, Ltd.
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* Copyright © 2019 Harish Krupo
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* Copyright © 2019 Intel 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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#ifndef GL_RENDERER_INTERNAL_H
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#define GL_RENDERER_INTERNAL_H
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#include <stdbool.h>
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#include <time.h>
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#include <wayland-util.h>
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#include <GLES2/gl2.h>
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#include <GLES2/gl2ext.h>
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#include "shared/weston-egl-ext.h" /* for PFN* stuff */
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#include "shared/helpers.h"
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enum gl_shader_texture_variant {
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SHADER_VARIANT_NONE = 0,
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/* Keep the following in sync with fragment.glsl. */
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SHADER_VARIANT_RGBX,
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SHADER_VARIANT_RGBA,
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SHADER_VARIANT_Y_U_V,
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SHADER_VARIANT_Y_UV,
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SHADER_VARIANT_Y_XUXV,
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SHADER_VARIANT_XYUV,
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SHADER_VARIANT_SOLID,
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SHADER_VARIANT_EXTERNAL,
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};
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/* Keep the following in sync with fragment.glsl. */
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enum gl_shader_color_curve {
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SHADER_COLOR_CURVE_IDENTITY = 0,
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SHADER_COLOR_CURVE_LUT_3x1D,
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};
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/** GL shader requirements key
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*
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* This structure is used as a binary blob key for building and searching
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* shaders. Therefore it must not contain any bytes or bits the C compiler
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* would be free to leave undefined e.g. after struct initialization,
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* struct assignment, or member operations.
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*
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* Use 'pahole' from package 'dwarves' to inspect this structure.
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*/
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struct gl_shader_requirements
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{
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unsigned variant:4; /* enum gl_shader_texture_variant */
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bool input_is_premult:1;
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bool green_tint:1;
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unsigned color_pre_curve:1; /* enum gl_shader_color_curve */
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/*
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* The total size of all bitfields plus pad_bits_ must fill up exactly
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* how many bytes the compiler allocates for them together.
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*/
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unsigned pad_bits_:25;
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};
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static_assert(sizeof(struct gl_shader_requirements) ==
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4 /* total bitfield size in bytes */,
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"struct gl_shader_requirements must not contain implicit padding");
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struct gl_shader;
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struct weston_color_transform;
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#define GL_SHADER_INPUT_TEX_MAX 3
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struct gl_shader_config {
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struct gl_shader_requirements req;
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struct weston_matrix projection;
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float view_alpha;
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GLfloat unicolor[4];
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GLint input_tex_filter; /* GL_NEAREST or GL_LINEAR */
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GLuint input_tex[GL_SHADER_INPUT_TEX_MAX];
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GLuint color_pre_curve_lut_tex;
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GLfloat color_pre_curve_lut_scale_offset[2];
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};
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struct gl_renderer {
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struct weston_renderer base;
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struct weston_compositor *compositor;
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bool fragment_shader_debug;
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bool fan_debug;
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struct weston_binding *fragment_binding;
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struct weston_binding *fan_binding;
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EGLenum platform;
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EGLDisplay egl_display;
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EGLContext egl_context;
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EGLConfig egl_config;
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EGLSurface dummy_surface;
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uint32_t gl_version;
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struct wl_array vertices;
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struct wl_array vtxcnt;
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EGLDeviceEXT egl_device;
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const char *drm_device;
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struct weston_drm_format_array supported_formats;
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PFNGLEGLIMAGETARGETTEXTURE2DOESPROC image_target_texture_2d;
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PFNEGLCREATEIMAGEKHRPROC create_image;
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PFNEGLDESTROYIMAGEKHRPROC destroy_image;
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PFNEGLSWAPBUFFERSWITHDAMAGEEXTPROC swap_buffers_with_damage;
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PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display;
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PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC create_platform_window;
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bool has_platform_base;
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PFNEGLBINDWAYLANDDISPLAYWL bind_display;
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PFNEGLUNBINDWAYLANDDISPLAYWL unbind_display;
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PFNEGLQUERYWAYLANDBUFFERWL query_buffer;
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bool has_bind_display;
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bool has_context_priority;
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bool has_egl_image_external;
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bool has_egl_buffer_age;
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bool has_egl_partial_update;
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PFNEGLSETDAMAGEREGIONKHRPROC set_damage_region;
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bool has_configless_context;
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bool has_surfaceless_context;
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bool has_dmabuf_import;
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struct wl_list dmabuf_images;
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struct wl_list dmabuf_formats;
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bool has_texture_type_2_10_10_10_rev;
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bool has_gl_texture_rg;
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struct gl_shader *current_shader;
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struct gl_shader *fallback_shader;
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struct wl_signal destroy_signal;
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bool has_dmabuf_import_modifiers;
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PFNEGLQUERYDMABUFFORMATSEXTPROC query_dmabuf_formats;
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PFNEGLQUERYDMABUFMODIFIERSEXTPROC query_dmabuf_modifiers;
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bool has_device_query;
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PFNEGLQUERYDISPLAYATTRIBEXTPROC query_display_attrib;
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PFNEGLQUERYDEVICESTRINGEXTPROC query_device_string;
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bool has_native_fence_sync;
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PFNEGLCREATESYNCKHRPROC create_sync;
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PFNEGLDESTROYSYNCKHRPROC destroy_sync;
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PFNEGLDUPNATIVEFENCEFDANDROIDPROC dup_native_fence_fd;
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bool has_wait_sync;
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PFNEGLWAITSYNCKHRPROC wait_sync;
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bool gl_supports_color_transforms;
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/** Shader program cache in most recently used order
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*
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* Uses struct gl_shader::link.
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*/
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struct wl_list shader_list;
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struct weston_log_scope *shader_scope;
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};
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static inline struct gl_renderer *
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get_renderer(struct weston_compositor *ec)
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{
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return (struct gl_renderer *)ec->renderer;
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}
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void
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gl_renderer_print_egl_error_state(void);
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void
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gl_renderer_log_extensions(const char *name, const char *extensions);
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void
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log_egl_config_info(EGLDisplay egldpy, EGLConfig eglconfig);
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EGLConfig
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gl_renderer_get_egl_config(struct gl_renderer *gr,
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EGLint egl_surface_type,
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const uint32_t *drm_formats,
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unsigned drm_formats_count);
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int
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gl_renderer_setup_egl_display(struct gl_renderer *gr, void *native_display);
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int
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gl_renderer_setup_egl_client_extensions(struct gl_renderer *gr);
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int
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gl_renderer_setup_egl_extensions(struct weston_compositor *ec);
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GLenum
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gl_shader_texture_variant_get_target(enum gl_shader_texture_variant v);
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bool
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gl_shader_texture_variant_can_be_premult(enum gl_shader_texture_variant v);
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void
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gl_shader_destroy(struct gl_renderer *gr, struct gl_shader *shader);
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void
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gl_renderer_shader_list_destroy(struct gl_renderer *gr);
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struct gl_shader *
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gl_renderer_create_fallback_shader(struct gl_renderer *gr);
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void
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gl_renderer_garbage_collect_programs(struct gl_renderer *gr);
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bool
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gl_renderer_use_program(struct gl_renderer *gr,
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const struct gl_shader_config *sconf);
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struct weston_log_scope *
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gl_shader_scope_create(struct gl_renderer *gr);
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bool
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gl_shader_config_set_color_transform(struct gl_shader_config *sconf,
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struct weston_color_transform *xform);
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#endif /* GL_RENDERER_INTERNAL_H */
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