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1070 lines
27 KiB
1070 lines
27 KiB
/*
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* Copyright © 2008-2011 Kristian Høgsberg
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* Copyright © 2011 Intel Corporation
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of the copyright holders not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. The copyright holders make
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* no representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
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* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <gbm.h>
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#include "compositor.h"
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#include "evdev.h"
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struct drm_compositor {
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struct weston_compositor base;
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struct udev *udev;
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struct wl_event_source *drm_source;
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struct udev_monitor *udev_monitor;
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struct wl_event_source *udev_drm_source;
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struct {
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int fd;
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} drm;
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struct gbm_device *gbm;
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uint32_t crtc_allocator;
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uint32_t connector_allocator;
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struct tty *tty;
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uint32_t prev_state;
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};
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struct drm_mode {
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struct weston_mode base;
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drmModeModeInfo mode_info;
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};
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struct drm_output {
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struct weston_output base;
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uint32_t crtc_id;
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uint32_t connector_id;
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drmModeCrtcPtr original_crtc;
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GLuint rbo[2];
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uint32_t fb_id[2];
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EGLImageKHR image[2];
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struct gbm_bo *bo[2];
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uint32_t current;
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uint32_t fs_surf_fb_id;
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uint32_t pending_fs_surf_fb_id;
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struct wl_buffer *scanout_buffer;
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struct wl_listener scanout_buffer_destroy_listener;
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struct wl_buffer *pending_scanout_buffer;
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struct wl_listener pending_scanout_buffer_destroy_listener;
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};
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static int
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drm_output_prepare_scanout_surface(struct drm_output *output)
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{
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struct drm_compositor *c =
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(struct drm_compositor *) output->base.compositor;
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struct weston_surface *es;
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EGLint handle, stride;
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int ret;
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uint32_t fb_id = 0;
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struct gbm_bo *bo;
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es = container_of(c->base.surface_list.next,
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struct weston_surface, link);
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/* Need to verify output->region contained in surface opaque
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* region. Or maybe just that format doesn't have alpha. */
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return -1;
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if (es->geometry.x != output->base.x ||
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es->geometry.y != output->base.y ||
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es->geometry.width != output->base.current->width ||
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es->geometry.height != output->base.current->height ||
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es->transform.enabled ||
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es->image == EGL_NO_IMAGE_KHR)
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return -1;
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bo = gbm_bo_create_from_egl_image(c->gbm,
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c->base.display, es->image,
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es->geometry.width,
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es->geometry.height,
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GBM_BO_USE_SCANOUT);
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handle = gbm_bo_get_handle(bo).s32;
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stride = gbm_bo_get_pitch(bo);
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gbm_bo_destroy(bo);
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if (handle == 0)
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return -1;
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ret = drmModeAddFB(c->drm.fd,
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output->base.current->width,
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output->base.current->height,
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24, 32, stride, handle, &fb_id);
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if (ret)
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return -1;
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output->pending_fs_surf_fb_id = fb_id;
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/* assert output->pending_scanout_buffer == NULL */
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output->pending_scanout_buffer = es->buffer;
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output->pending_scanout_buffer->busy_count++;
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wl_list_insert(output->pending_scanout_buffer->resource.destroy_listener_list.prev,
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&output->pending_scanout_buffer_destroy_listener.link);
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pixman_region32_fini(&es->damage);
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pixman_region32_init(&es->damage);
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return 0;
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}
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static void
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drm_output_repaint(struct weston_output *output_base)
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{
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struct drm_output *output = (struct drm_output *) output_base;
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struct drm_compositor *compositor =
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(struct drm_compositor *) output->base.compositor;
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struct weston_surface *surface;
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uint32_t fb_id = 0;
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glFramebufferRenderbuffer(GL_FRAMEBUFFER,
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GL_COLOR_ATTACHMENT0,
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GL_RENDERBUFFER,
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output->rbo[output->current]);
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if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
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return;
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drm_output_prepare_scanout_surface(output);
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wl_list_for_each_reverse(surface, &compositor->base.surface_list, link)
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weston_surface_draw(surface, &output->base);
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glFlush();
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output->current ^= 1;
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if (output->pending_fs_surf_fb_id != 0) {
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fb_id = output->pending_fs_surf_fb_id;
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} else {
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fb_id = output->fb_id[output->current ^ 1];
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}
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if (drmModePageFlip(compositor->drm.fd, output->crtc_id,
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fb_id,
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DRM_MODE_PAGE_FLIP_EVENT, output) < 0) {
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fprintf(stderr, "queueing pageflip failed: %m\n");
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return;
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}
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return;
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}
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static void
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page_flip_handler(int fd, unsigned int frame,
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unsigned int sec, unsigned int usec, void *data)
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{
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struct drm_output *output = (struct drm_output *) data;
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struct drm_compositor *c =
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(struct drm_compositor *) output->base.compositor;
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uint32_t msecs;
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if (output->scanout_buffer) {
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weston_buffer_post_release(output->scanout_buffer);
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wl_list_remove(&output->scanout_buffer_destroy_listener.link);
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output->scanout_buffer = NULL;
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drmModeRmFB(c->drm.fd, output->fs_surf_fb_id);
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output->fs_surf_fb_id = 0;
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}
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if (output->pending_scanout_buffer) {
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output->scanout_buffer = output->pending_scanout_buffer;
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wl_list_remove(&output->pending_scanout_buffer_destroy_listener.link);
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wl_list_insert(output->scanout_buffer->resource.destroy_listener_list.prev,
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&output->scanout_buffer_destroy_listener.link);
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output->pending_scanout_buffer = NULL;
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output->fs_surf_fb_id = output->pending_fs_surf_fb_id;
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output->pending_fs_surf_fb_id = 0;
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}
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msecs = sec * 1000 + usec / 1000;
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weston_output_finish_frame(&output->base, msecs);
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}
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static int
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drm_output_set_cursor(struct weston_output *output_base,
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struct weston_input_device *eid)
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{
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struct drm_output *output = (struct drm_output *) output_base;
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struct drm_compositor *c =
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(struct drm_compositor *) output->base.compositor;
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EGLint handle, stride;
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int ret = -1;
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pixman_region32_t cursor_region;
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struct gbm_bo *bo;
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if (eid == NULL) {
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drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
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return 0;
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}
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pixman_region32_init_rect(&cursor_region,
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eid->sprite->geometry.x,
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eid->sprite->geometry.y,
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eid->sprite->geometry.width,
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eid->sprite->geometry.height);
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pixman_region32_intersect_rect(&cursor_region, &cursor_region,
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output->base.x, output->base.y,
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output->base.current->width,
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output->base.current->height);
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if (!pixman_region32_not_empty(&cursor_region))
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goto out;
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if (eid->sprite->image == EGL_NO_IMAGE_KHR)
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goto out;
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if (eid->sprite->geometry.width > 64 ||
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eid->sprite->geometry.height > 64)
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goto out;
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bo = gbm_bo_create_from_egl_image(c->gbm,
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c->base.display,
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eid->sprite->image, 64, 64,
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GBM_BO_USE_CURSOR_64X64);
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/* Not suitable for hw cursor, fall back */
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if (bo == NULL)
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goto out;
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handle = gbm_bo_get_handle(bo).s32;
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stride = gbm_bo_get_pitch(bo);
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gbm_bo_destroy(bo);
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/* gbm_bo_create_from_egl_image() didn't always validate the usage
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* flags, and in that case we might end up with a bad stride. */
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if (stride != 64 * 4)
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goto out;
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ret = drmModeSetCursor(c->drm.fd, output->crtc_id, handle, 64, 64);
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if (ret) {
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fprintf(stderr, "failed to set cursor: %s\n", strerror(-ret));
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goto out;
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}
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ret = drmModeMoveCursor(c->drm.fd, output->crtc_id,
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eid->sprite->geometry.x - output->base.x,
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eid->sprite->geometry.y - output->base.y);
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if (ret) {
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fprintf(stderr, "failed to move cursor: %s\n", strerror(-ret));
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goto out;
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}
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out:
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pixman_region32_fini(&cursor_region);
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if (ret)
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drmModeSetCursor(c->drm.fd, output->crtc_id, 0, 0, 0);
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return ret;
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}
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static void
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drm_output_destroy(struct weston_output *output_base)
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{
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struct drm_output *output = (struct drm_output *) output_base;
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struct drm_compositor *c =
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(struct drm_compositor *) output->base.compositor;
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drmModeCrtcPtr origcrtc = output->original_crtc;
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int i;
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/* Turn off hardware cursor */
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drm_output_set_cursor(&output->base, NULL);
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/* Restore original CRTC state */
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drmModeSetCrtc(c->drm.fd, origcrtc->crtc_id, origcrtc->buffer_id,
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origcrtc->x, origcrtc->y,
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&output->connector_id, 1, &origcrtc->mode);
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drmModeFreeCrtc(origcrtc);
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glFramebufferRenderbuffer(GL_FRAMEBUFFER,
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GL_COLOR_ATTACHMENT0,
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GL_RENDERBUFFER,
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0);
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glBindRenderbuffer(GL_RENDERBUFFER, 0);
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glDeleteRenderbuffers(2, output->rbo);
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/* Destroy output buffers */
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for (i = 0; i < 2; i++) {
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drmModeRmFB(c->drm.fd, output->fb_id[i]);
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c->base.destroy_image(c->base.display, output->image[i]);
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gbm_bo_destroy(output->bo[i]);
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}
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c->crtc_allocator &= ~(1 << output->crtc_id);
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c->connector_allocator &= ~(1 << output->connector_id);
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weston_output_destroy(&output->base);
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wl_list_remove(&output->base.link);
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free(output);
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}
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static int
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on_drm_input(int fd, uint32_t mask, void *data)
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{
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drmEventContext evctx;
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memset(&evctx, 0, sizeof evctx);
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evctx.version = DRM_EVENT_CONTEXT_VERSION;
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evctx.page_flip_handler = page_flip_handler;
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drmHandleEvent(fd, &evctx);
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return 1;
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}
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|
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static int
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init_egl(struct drm_compositor *ec, struct udev_device *device)
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{
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EGLint major, minor;
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const char *extensions, *filename;
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int fd;
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static const EGLint context_attribs[] = {
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EGL_CONTEXT_CLIENT_VERSION, 2,
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EGL_NONE
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};
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filename = udev_device_get_devnode(device);
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fd = open(filename, O_RDWR | O_CLOEXEC);
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if (fd < 0) {
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/* Probably permissions error */
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fprintf(stderr, "couldn't open %s, skipping\n",
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udev_device_get_devnode(device));
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return -1;
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}
|
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|
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ec->drm.fd = fd;
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ec->gbm = gbm_create_device(ec->drm.fd);
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ec->base.display = eglGetDisplay(ec->gbm);
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if (ec->base.display == NULL) {
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fprintf(stderr, "failed to create display\n");
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return -1;
|
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}
|
|
|
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if (!eglInitialize(ec->base.display, &major, &minor)) {
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fprintf(stderr, "failed to initialize display\n");
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return -1;
|
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}
|
|
|
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extensions = eglQueryString(ec->base.display, EGL_EXTENSIONS);
|
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if (!strstr(extensions, "EGL_KHR_surfaceless_gles2")) {
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fprintf(stderr, "EGL_KHR_surfaceless_gles2 not available\n");
|
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return -1;
|
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}
|
|
|
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if (!eglBindAPI(EGL_OPENGL_ES_API)) {
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fprintf(stderr, "failed to bind api EGL_OPENGL_ES_API\n");
|
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return -1;
|
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}
|
|
|
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ec->base.context = eglCreateContext(ec->base.display, NULL,
|
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EGL_NO_CONTEXT, context_attribs);
|
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if (ec->base.context == NULL) {
|
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fprintf(stderr, "failed to create context\n");
|
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return -1;
|
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}
|
|
|
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if (!eglMakeCurrent(ec->base.display, EGL_NO_SURFACE,
|
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EGL_NO_SURFACE, ec->base.context)) {
|
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fprintf(stderr, "failed to make context current\n");
|
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return -1;
|
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}
|
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|
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return 0;
|
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}
|
|
|
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static drmModeModeInfo builtin_1024x768 = {
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63500, /* clock */
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1024, 1072, 1176, 1328, 0,
|
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768, 771, 775, 798, 0,
|
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59920,
|
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DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC,
|
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0,
|
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"1024x768"
|
|
};
|
|
|
|
|
|
static int
|
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drm_output_add_mode(struct drm_output *output, drmModeModeInfo *info)
|
|
{
|
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struct drm_mode *mode;
|
|
|
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mode = malloc(sizeof *mode);
|
|
if (mode == NULL)
|
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return -1;
|
|
|
|
mode->base.flags = 0;
|
|
mode->base.width = info->hdisplay;
|
|
mode->base.height = info->vdisplay;
|
|
mode->base.refresh = info->vrefresh;
|
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mode->mode_info = *info;
|
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wl_list_insert(output->base.mode_list.prev, &mode->base.link);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
drm_subpixel_to_wayland(int drm_value)
|
|
{
|
|
switch (drm_value) {
|
|
default:
|
|
case DRM_MODE_SUBPIXEL_UNKNOWN:
|
|
return WL_OUTPUT_SUBPIXEL_UNKNOWN;
|
|
case DRM_MODE_SUBPIXEL_NONE:
|
|
return WL_OUTPUT_SUBPIXEL_NONE;
|
|
case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
|
|
return WL_OUTPUT_SUBPIXEL_HORIZONTAL_RGB;
|
|
case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
|
|
return WL_OUTPUT_SUBPIXEL_HORIZONTAL_BGR;
|
|
case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
|
|
return WL_OUTPUT_SUBPIXEL_VERTICAL_RGB;
|
|
case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
|
|
return WL_OUTPUT_SUBPIXEL_VERTICAL_BGR;
|
|
}
|
|
}
|
|
|
|
static void
|
|
output_handle_scanout_buffer_destroy(struct wl_listener *listener,
|
|
struct wl_resource *resource,
|
|
uint32_t time)
|
|
{
|
|
struct drm_output *output =
|
|
container_of(listener, struct drm_output,
|
|
scanout_buffer_destroy_listener);
|
|
|
|
output->scanout_buffer = NULL;
|
|
|
|
if (!output->pending_scanout_buffer)
|
|
weston_compositor_schedule_repaint(output->base.compositor);
|
|
}
|
|
|
|
static void
|
|
output_handle_pending_scanout_buffer_destroy(struct wl_listener *listener,
|
|
struct wl_resource *resource,
|
|
uint32_t time)
|
|
{
|
|
struct drm_output *output =
|
|
container_of(listener, struct drm_output,
|
|
pending_scanout_buffer_destroy_listener);
|
|
|
|
output->pending_scanout_buffer = NULL;
|
|
|
|
weston_compositor_schedule_repaint(output->base.compositor);
|
|
}
|
|
|
|
static int
|
|
create_output_for_connector(struct drm_compositor *ec,
|
|
drmModeRes *resources,
|
|
drmModeConnector *connector,
|
|
int x, int y)
|
|
{
|
|
struct drm_output *output;
|
|
struct drm_mode *drm_mode, *next;
|
|
drmModeEncoder *encoder;
|
|
int i, ret;
|
|
unsigned handle, stride;
|
|
|
|
encoder = drmModeGetEncoder(ec->drm.fd, connector->encoders[0]);
|
|
if (encoder == NULL) {
|
|
fprintf(stderr, "No encoder for connector.\n");
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < resources->count_crtcs; i++) {
|
|
if (encoder->possible_crtcs & (1 << i) &&
|
|
!(ec->crtc_allocator & (1 << resources->crtcs[i])))
|
|
break;
|
|
}
|
|
if (i == resources->count_crtcs) {
|
|
fprintf(stderr, "No usable crtc for encoder.\n");
|
|
drmModeFreeEncoder(encoder);
|
|
return -1;
|
|
}
|
|
|
|
output = malloc(sizeof *output);
|
|
if (output == NULL) {
|
|
drmModeFreeEncoder(encoder);
|
|
return -1;
|
|
}
|
|
output->fb_id[0] = -1;
|
|
output->fb_id[1] = -1;
|
|
|
|
memset(output, 0, sizeof *output);
|
|
output->base.subpixel = drm_subpixel_to_wayland(connector->subpixel);
|
|
output->base.make = "unknown";
|
|
output->base.model = "unknown";
|
|
wl_list_init(&output->base.mode_list);
|
|
|
|
output->crtc_id = resources->crtcs[i];
|
|
ec->crtc_allocator |= (1 << output->crtc_id);
|
|
output->connector_id = connector->connector_id;
|
|
ec->connector_allocator |= (1 << output->connector_id);
|
|
|
|
output->original_crtc = drmModeGetCrtc(ec->drm.fd, output->crtc_id);
|
|
drmModeFreeEncoder(encoder);
|
|
|
|
for (i = 0; i < connector->count_modes; i++) {
|
|
ret = drm_output_add_mode(output, &connector->modes[i]);
|
|
if (ret)
|
|
goto err_free;
|
|
}
|
|
|
|
if (connector->count_modes == 0) {
|
|
ret = drm_output_add_mode(output, &builtin_1024x768);
|
|
if (ret)
|
|
goto err_free;
|
|
}
|
|
|
|
drm_mode = container_of(output->base.mode_list.next,
|
|
struct drm_mode, base.link);
|
|
output->base.current = &drm_mode->base;
|
|
drm_mode->base.flags =
|
|
WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
|
|
|
|
glGenRenderbuffers(2, output->rbo);
|
|
for (i = 0; i < 2; i++) {
|
|
glBindRenderbuffer(GL_RENDERBUFFER, output->rbo[i]);
|
|
|
|
output->bo[i] =
|
|
gbm_bo_create(ec->gbm,
|
|
output->base.current->width,
|
|
output->base.current->height,
|
|
GBM_BO_FORMAT_XRGB8888,
|
|
GBM_BO_USE_SCANOUT |
|
|
GBM_BO_USE_RENDERING);
|
|
if (!output->bo[i])
|
|
goto err_bufs;
|
|
|
|
output->image[i] = ec->base.create_image(ec->base.display,
|
|
NULL,
|
|
EGL_NATIVE_PIXMAP_KHR,
|
|
output->bo[i], NULL);
|
|
if (!output->image[i])
|
|
goto err_bufs;
|
|
|
|
ec->base.image_target_renderbuffer_storage(GL_RENDERBUFFER,
|
|
output->image[i]);
|
|
stride = gbm_bo_get_pitch(output->bo[i]);
|
|
handle = gbm_bo_get_handle(output->bo[i]).u32;
|
|
|
|
ret = drmModeAddFB(ec->drm.fd,
|
|
output->base.current->width,
|
|
output->base.current->height,
|
|
24, 32, stride, handle, &output->fb_id[i]);
|
|
if (ret) {
|
|
fprintf(stderr, "failed to add fb %d: %m\n", i);
|
|
goto err_bufs;
|
|
}
|
|
}
|
|
|
|
output->current = 0;
|
|
glFramebufferRenderbuffer(GL_FRAMEBUFFER,
|
|
GL_COLOR_ATTACHMENT0,
|
|
GL_RENDERBUFFER,
|
|
output->rbo[output->current]);
|
|
ret = drmModeSetCrtc(ec->drm.fd, output->crtc_id,
|
|
output->fb_id[output->current ^ 1], 0, 0,
|
|
&output->connector_id, 1,
|
|
&drm_mode->mode_info);
|
|
if (ret) {
|
|
fprintf(stderr, "failed to set mode: %m\n");
|
|
goto err_fb;
|
|
}
|
|
|
|
weston_output_init(&output->base, &ec->base, x, y,
|
|
connector->mmWidth, connector->mmHeight, 0);
|
|
|
|
wl_list_insert(ec->base.output_list.prev, &output->base.link);
|
|
|
|
output->scanout_buffer_destroy_listener.func =
|
|
output_handle_scanout_buffer_destroy;
|
|
output->pending_scanout_buffer_destroy_listener.func =
|
|
output_handle_pending_scanout_buffer_destroy;
|
|
|
|
output->pending_fs_surf_fb_id = 0;
|
|
output->base.repaint = drm_output_repaint;
|
|
output->base.set_hardware_cursor = drm_output_set_cursor;
|
|
output->base.destroy = drm_output_destroy;
|
|
output->base.assign_planes = NULL;
|
|
|
|
return 0;
|
|
|
|
err_fb:
|
|
glFramebufferRenderbuffer(GL_FRAMEBUFFER,
|
|
GL_COLOR_ATTACHMENT0,
|
|
GL_RENDERBUFFER,
|
|
0);
|
|
err_bufs:
|
|
for (i = 0; i < 2; i++) {
|
|
if (output->fb_id[i] != -1)
|
|
drmModeRmFB(ec->drm.fd, output->fb_id[i]);
|
|
if (output->image[i])
|
|
ec->base.destroy_image(ec->base.display,
|
|
output->image[i]);
|
|
if (output->bo[i])
|
|
gbm_bo_destroy(output->bo[i]);
|
|
}
|
|
glBindRenderbuffer(GL_RENDERBUFFER, 0);
|
|
glDeleteRenderbuffers(2, output->rbo);
|
|
err_free:
|
|
wl_list_for_each_safe(drm_mode, next, &output->base.mode_list,
|
|
base.link) {
|
|
wl_list_remove(&drm_mode->base.link);
|
|
free(drm_mode);
|
|
}
|
|
|
|
drmModeFreeCrtc(output->original_crtc);
|
|
ec->crtc_allocator &= ~(1 << output->crtc_id);
|
|
ec->connector_allocator &= ~(1 << output->connector_id);
|
|
|
|
free(output);
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
create_outputs(struct drm_compositor *ec, int option_connector)
|
|
{
|
|
drmModeConnector *connector;
|
|
drmModeRes *resources;
|
|
int i;
|
|
int x = 0, y = 0;
|
|
|
|
resources = drmModeGetResources(ec->drm.fd);
|
|
if (!resources) {
|
|
fprintf(stderr, "drmModeGetResources failed\n");
|
|
return -1;
|
|
}
|
|
|
|
for (i = 0; i < resources->count_connectors; i++) {
|
|
connector = drmModeGetConnector(ec->drm.fd,
|
|
resources->connectors[i]);
|
|
if (connector == NULL)
|
|
continue;
|
|
|
|
if (connector->connection == DRM_MODE_CONNECTED &&
|
|
(option_connector == 0 ||
|
|
connector->connector_id == option_connector)) {
|
|
if (create_output_for_connector(ec, resources,
|
|
connector, x, y) < 0) {
|
|
drmModeFreeConnector(connector);
|
|
continue;
|
|
}
|
|
|
|
x += container_of(ec->base.output_list.prev,
|
|
struct weston_output,
|
|
link)->current->width;
|
|
}
|
|
|
|
drmModeFreeConnector(connector);
|
|
}
|
|
|
|
if (wl_list_empty(&ec->base.output_list)) {
|
|
fprintf(stderr, "No currently active connector found.\n");
|
|
return -1;
|
|
}
|
|
|
|
drmModeFreeResources(resources);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
update_outputs(struct drm_compositor *ec)
|
|
{
|
|
drmModeConnector *connector;
|
|
drmModeRes *resources;
|
|
struct drm_output *output, *next;
|
|
int x = 0, y = 0;
|
|
int x_offset = 0, y_offset = 0;
|
|
uint32_t connected = 0, disconnects = 0;
|
|
int i;
|
|
|
|
resources = drmModeGetResources(ec->drm.fd);
|
|
if (!resources) {
|
|
fprintf(stderr, "drmModeGetResources failed\n");
|
|
return;
|
|
}
|
|
|
|
/* collect new connects */
|
|
for (i = 0; i < resources->count_connectors; i++) {
|
|
int connector_id = resources->connectors[i];
|
|
|
|
connector = drmModeGetConnector(ec->drm.fd, connector_id);
|
|
if (connector == NULL)
|
|
continue;
|
|
|
|
if (connector->connection != DRM_MODE_CONNECTED) {
|
|
drmModeFreeConnector(connector);
|
|
continue;
|
|
}
|
|
|
|
connected |= (1 << connector_id);
|
|
|
|
if (!(ec->connector_allocator & (1 << connector_id))) {
|
|
struct weston_output *last =
|
|
container_of(ec->base.output_list.prev,
|
|
struct weston_output, link);
|
|
|
|
/* XXX: not yet needed, we die with 0 outputs */
|
|
if (!wl_list_empty(&ec->base.output_list))
|
|
x = last->x + last->current->width;
|
|
else
|
|
x = 0;
|
|
y = 0;
|
|
create_output_for_connector(ec, resources,
|
|
connector, x, y);
|
|
printf("connector %d connected\n", connector_id);
|
|
|
|
}
|
|
drmModeFreeConnector(connector);
|
|
}
|
|
drmModeFreeResources(resources);
|
|
|
|
disconnects = ec->connector_allocator & ~connected;
|
|
if (disconnects) {
|
|
wl_list_for_each_safe(output, next, &ec->base.output_list,
|
|
base.link) {
|
|
if (x_offset != 0 || y_offset != 0) {
|
|
weston_output_move(&output->base,
|
|
output->base.x - x_offset,
|
|
output->base.y - y_offset);
|
|
}
|
|
|
|
if (disconnects & (1 << output->connector_id)) {
|
|
disconnects &= ~(1 << output->connector_id);
|
|
printf("connector %d disconnected\n",
|
|
output->connector_id);
|
|
x_offset += output->base.current->width;
|
|
drm_output_destroy(&output->base);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* FIXME: handle zero outputs, without terminating */
|
|
if (ec->connector_allocator == 0)
|
|
wl_display_terminate(ec->base.wl_display);
|
|
}
|
|
|
|
static int
|
|
udev_event_is_hotplug(struct udev_device *device)
|
|
{
|
|
struct udev_list_entry *list, *hotplug_entry;
|
|
|
|
list = udev_device_get_properties_list_entry(device);
|
|
|
|
hotplug_entry = udev_list_entry_get_by_name(list, "HOTPLUG");
|
|
if (hotplug_entry == NULL)
|
|
return 0;
|
|
|
|
return strcmp(udev_list_entry_get_value(hotplug_entry), "1") == 0;
|
|
}
|
|
|
|
static int
|
|
udev_drm_event(int fd, uint32_t mask, void *data)
|
|
{
|
|
struct drm_compositor *ec = data;
|
|
struct udev_device *event;
|
|
|
|
event = udev_monitor_receive_device(ec->udev_monitor);
|
|
|
|
if (udev_event_is_hotplug(event))
|
|
update_outputs(ec);
|
|
|
|
udev_device_unref(event);
|
|
|
|
return 1;
|
|
}
|
|
|
|
static EGLImageKHR
|
|
drm_compositor_create_cursor_image(struct weston_compositor *ec,
|
|
int32_t *width, int32_t *height)
|
|
{
|
|
struct drm_compositor *c = (struct drm_compositor *) ec;
|
|
struct gbm_bo *bo;
|
|
EGLImageKHR image;
|
|
|
|
if (*width > 64 || *height > 64)
|
|
return EGL_NO_IMAGE_KHR;
|
|
|
|
bo = gbm_bo_create(c->gbm,
|
|
/* width, height, */ 64, 64,
|
|
GBM_BO_FORMAT_ARGB8888,
|
|
GBM_BO_USE_CURSOR_64X64 | GBM_BO_USE_RENDERING);
|
|
|
|
image = ec->create_image(c->base.display, NULL,
|
|
EGL_NATIVE_PIXMAP_KHR, bo, NULL);
|
|
gbm_bo_destroy(bo);
|
|
|
|
*width = 64;
|
|
*height = 64;
|
|
|
|
return image;
|
|
}
|
|
|
|
static void
|
|
drm_destroy(struct weston_compositor *ec)
|
|
{
|
|
struct drm_compositor *d = (struct drm_compositor *) ec;
|
|
struct weston_input_device *input, *next;
|
|
|
|
weston_compositor_shutdown(ec);
|
|
gbm_device_destroy(d->gbm);
|
|
drmDropMaster(d->drm.fd);
|
|
tty_destroy(d->tty);
|
|
|
|
wl_list_for_each_safe(input, next, &ec->input_device_list, link)
|
|
evdev_input_destroy(input);
|
|
|
|
free(d);
|
|
}
|
|
|
|
static void
|
|
drm_compositor_set_modes(struct drm_compositor *compositor)
|
|
{
|
|
struct drm_output *output;
|
|
struct drm_mode *drm_mode;
|
|
int ret;
|
|
|
|
wl_list_for_each(output, &compositor->base.output_list, base.link) {
|
|
drm_mode = (struct drm_mode *) output->base.current;
|
|
ret = drmModeSetCrtc(compositor->drm.fd, output->crtc_id,
|
|
output->fb_id[output->current ^ 1], 0, 0,
|
|
&output->connector_id, 1,
|
|
&drm_mode->mode_info);
|
|
if (ret < 0) {
|
|
fprintf(stderr,
|
|
"failed to set mode %dx%d for output at %d,%d: %m",
|
|
drm_mode->base.width, drm_mode->base.height,
|
|
output->base.x, output->base.y);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
vt_func(struct weston_compositor *compositor, int event)
|
|
{
|
|
struct drm_compositor *ec = (struct drm_compositor *) compositor;
|
|
struct weston_output *output;
|
|
struct weston_input_device *input;
|
|
|
|
switch (event) {
|
|
case TTY_ENTER_VT:
|
|
compositor->focus = 1;
|
|
if (drmSetMaster(ec->drm.fd)) {
|
|
fprintf(stderr, "failed to set master: %m\n");
|
|
wl_display_terminate(compositor->wl_display);
|
|
}
|
|
compositor->state = ec->prev_state;
|
|
drm_compositor_set_modes(ec);
|
|
weston_compositor_damage_all(compositor);
|
|
wl_list_for_each(input, &compositor->input_device_list, link)
|
|
evdev_add_devices(ec->udev, input);
|
|
break;
|
|
case TTY_LEAVE_VT:
|
|
compositor->focus = 0;
|
|
ec->prev_state = compositor->state;
|
|
compositor->state = WESTON_COMPOSITOR_SLEEPING;
|
|
|
|
/* If we have a repaint scheduled (either from a
|
|
* pending pageflip or the idle handler), make sure we
|
|
* cancel that so we don't try to pageflip when we're
|
|
* vt switched away. The SLEEPING state will prevent
|
|
* further attemps at repainting. When we switch
|
|
* back, we schedule a repaint, which will process
|
|
* pending frame callbacks. */
|
|
|
|
wl_list_for_each(output, &ec->base.output_list, link) {
|
|
output->repaint_needed = 0;
|
|
drm_output_set_cursor(output, NULL);
|
|
}
|
|
|
|
wl_list_for_each(input, &compositor->input_device_list, link)
|
|
evdev_remove_devices(input);
|
|
|
|
if (drmDropMaster(ec->drm.fd) < 0)
|
|
fprintf(stderr, "failed to drop master: %m\n");
|
|
|
|
break;
|
|
};
|
|
}
|
|
|
|
static const char default_seat[] = "seat0";
|
|
|
|
static struct weston_compositor *
|
|
drm_compositor_create(struct wl_display *display,
|
|
int connector, const char *seat, int tty)
|
|
{
|
|
struct drm_compositor *ec;
|
|
struct udev_enumerate *e;
|
|
struct udev_list_entry *entry;
|
|
struct udev_device *device, *drm_device;
|
|
const char *path, *device_seat;
|
|
struct wl_event_loop *loop;
|
|
|
|
ec = malloc(sizeof *ec);
|
|
if (ec == NULL)
|
|
return NULL;
|
|
|
|
memset(ec, 0, sizeof *ec);
|
|
ec->udev = udev_new();
|
|
if (ec->udev == NULL) {
|
|
fprintf(stderr, "failed to initialize udev context\n");
|
|
return NULL;
|
|
}
|
|
|
|
ec->base.wl_display = display;
|
|
ec->tty = tty_create(&ec->base, vt_func, tty);
|
|
if (!ec->tty) {
|
|
fprintf(stderr, "failed to initialize tty\n");
|
|
free(ec);
|
|
return NULL;
|
|
}
|
|
|
|
e = udev_enumerate_new(ec->udev);
|
|
udev_enumerate_add_match_subsystem(e, "drm");
|
|
udev_enumerate_add_match_sysname(e, "card[0-9]*");
|
|
|
|
udev_enumerate_scan_devices(e);
|
|
drm_device = NULL;
|
|
udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(e)) {
|
|
path = udev_list_entry_get_name(entry);
|
|
device = udev_device_new_from_syspath(ec->udev, path);
|
|
device_seat =
|
|
udev_device_get_property_value(device, "ID_SEAT");
|
|
if (!device_seat)
|
|
device_seat = default_seat;
|
|
if (strcmp(device_seat, seat) == 0) {
|
|
drm_device = device;
|
|
break;
|
|
}
|
|
udev_device_unref(device);
|
|
}
|
|
|
|
if (drm_device == NULL) {
|
|
fprintf(stderr, "no drm device found\n");
|
|
return NULL;
|
|
}
|
|
|
|
if (init_egl(ec, drm_device) < 0) {
|
|
fprintf(stderr, "failed to initialize egl\n");
|
|
return NULL;
|
|
}
|
|
|
|
udev_device_unref(drm_device);
|
|
|
|
ec->base.destroy = drm_destroy;
|
|
ec->base.create_cursor_image = drm_compositor_create_cursor_image;
|
|
|
|
ec->base.focus = 1;
|
|
|
|
ec->prev_state = WESTON_COMPOSITOR_ACTIVE;
|
|
|
|
glGenFramebuffers(1, &ec->base.fbo);
|
|
glBindFramebuffer(GL_FRAMEBUFFER, ec->base.fbo);
|
|
|
|
/* Can't init base class until we have a current egl context */
|
|
if (weston_compositor_init(&ec->base, display) < 0)
|
|
return NULL;
|
|
|
|
if (create_outputs(ec, connector) < 0) {
|
|
fprintf(stderr, "failed to create output for %s\n", path);
|
|
return NULL;
|
|
}
|
|
|
|
udev_enumerate_unref(e);
|
|
path = NULL;
|
|
|
|
evdev_input_create(&ec->base, ec->udev, seat);
|
|
|
|
loop = wl_display_get_event_loop(ec->base.wl_display);
|
|
ec->drm_source =
|
|
wl_event_loop_add_fd(loop, ec->drm.fd,
|
|
WL_EVENT_READABLE, on_drm_input, ec);
|
|
|
|
ec->udev_monitor = udev_monitor_new_from_netlink(ec->udev, "udev");
|
|
if (ec->udev_monitor == NULL) {
|
|
fprintf(stderr, "failed to intialize udev monitor\n");
|
|
return NULL;
|
|
}
|
|
udev_monitor_filter_add_match_subsystem_devtype(ec->udev_monitor,
|
|
"drm", NULL);
|
|
ec->udev_drm_source =
|
|
wl_event_loop_add_fd(loop,
|
|
udev_monitor_get_fd(ec->udev_monitor),
|
|
WL_EVENT_READABLE, udev_drm_event, ec);
|
|
|
|
if (udev_monitor_enable_receiving(ec->udev_monitor) < 0) {
|
|
fprintf(stderr, "failed to enable udev-monitor receiving\n");
|
|
return NULL;
|
|
}
|
|
|
|
return &ec->base;
|
|
}
|
|
|
|
struct weston_compositor *
|
|
backend_init(struct wl_display *display, char *options);
|
|
|
|
WL_EXPORT struct weston_compositor *
|
|
backend_init(struct wl_display *display, char *options)
|
|
{
|
|
int connector = 0, i;
|
|
const char *seat;
|
|
char *p, *value;
|
|
int tty = 0;
|
|
|
|
static char * const tokens[] = { "connector", "seat", "tty", NULL };
|
|
|
|
p = options;
|
|
seat = default_seat;
|
|
while (i = getsubopt(&p, tokens, &value), i != -1) {
|
|
switch (i) {
|
|
case 0:
|
|
connector = strtol(value, NULL, 0);
|
|
break;
|
|
case 1:
|
|
seat = value;
|
|
break;
|
|
case 2:
|
|
tty = strtol(value, NULL, 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return drm_compositor_create(display, connector, seat, tty);
|
|
}
|
|
|