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This commit is contained in:
Scott Anderson 2017-05-14 01:12:47 +12:00
parent c88f252580
commit 058b8bdf27
10 changed files with 133 additions and 13 deletions
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28
backend/drm/drm.c
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@ -474,3 +474,31 @@ void wlr_drm_output_dpms(int fd, struct wlr_output_state *output, bool screen_on
DRM_MODE_DPMS_STANDBY);
}
}
void wlr_drm_output_draw_blank(struct wlr_output_state *output) {
if (output->state != DRM_OUTPUT_CONNECTED) {
return;
}
struct wlr_drm_renderer *renderer = output->renderer;
eglMakeCurrent(renderer->egl.display, output->egl, output->egl, renderer->egl.context);
glViewport(0, 0, output->width, output->height);
glClearColor(0.0, 0.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
eglSwapBuffers(renderer->egl.display, output->egl);
struct gbm_bo *bo = gbm_surface_lock_front_buffer(output->gbm);
uint32_t fb_id = get_fb_for_bo(renderer->fd, bo);
drmModeSetCrtc(renderer->fd, output->crtc, fb_id, 0, 0,
&output->connector, 1, &output->wlr_output->current_mode->state->mode);
drmModePageFlip(renderer->fd, output->crtc, fb_id,
DRM_MODE_PAGE_FLIP_EVENT, output);
gbm_surface_release_buffer(output->gbm, bo);
wlr_log(L_INFO, "Drew blank frame");
}