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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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27
render/wlr_renderer.c
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@ -413,10 +413,31 @@ int wlr_renderer_get_drm_fd(struct wlr_renderer *r) {
return r->impl->get_drm_fd(r);
}
struct wlr_render_pass *wlr_renderer_begin_buffer_pass(
struct wlr_renderer *renderer, struct wlr_buffer *buffer) {
struct wlr_render_pass *wlr_renderer_begin_buffer_pass(struct wlr_renderer *renderer,
struct wlr_buffer *buffer, struct wlr_buffer_pass_options *options) {
if (!renderer->impl->begin_buffer_pass) {
return begin_legacy_buffer_render_pass(renderer, buffer);
}
return renderer->impl->begin_buffer_pass(renderer, buffer);
return renderer->impl->begin_buffer_pass(renderer, buffer, options);
}
struct wlr_render_timer *wlr_render_timer_create(struct wlr_renderer *renderer) {
if (!renderer->impl->render_timer_create) {
return NULL;
}
return renderer->impl->render_timer_create(renderer);
}
int wlr_render_timer_get_duration_ns(struct wlr_render_timer *timer) {
if (!timer->impl->get_duration_ns) {
return -1;
}
return timer->impl->get_duration_ns(timer);
}
void wlr_render_timer_destroy(struct wlr_render_timer *timer) {
if (!timer->impl->destroy) {
return;
}
timer->impl->destroy(timer);
}