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add render timer API

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Based on five calls:
wlr_render_timer_create - creates a timer which can be reused across
  frames on the same renderer
wlr_renderer_begin_buffer_pass - now takes a timer so that backends can
  record when the rendering starts and finishes
wlr_render_timer_get_time - should be called as late as possible so that
  queries can make their way back from the GPU
wlr_render_timer_destroy - self-explanatory

The timer is exposed as an opaque `struct wlr_render_timer` so that
backends can store whatever they want in there.
This commit is contained in:
Rose Hudson 2023-06-02 10:25:07 +01:00 • committed by Simon Ser
parent bd834fe8d1
commit 9e8947e4d5
19 changed files with 87 additions and 23 deletions
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2
backend/drm/renderer.c
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@ -102,7 +102,7 @@ struct wlr_buffer *drm_surface_blit(struct wlr_drm_surface *surf,
goto error_tex;
}
struct wlr_render_pass *pass = wlr_renderer_begin_buffer_pass(renderer, dst);
struct wlr_render_pass *pass = wlr_renderer_begin_buffer_pass(renderer, dst, NULL);
if (pass == NULL) {
wlr_log(WLR_ERROR, "Failed to begin render pass with multi-GPU destination buffer");
goto error_dst;