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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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12
include/wlr/render/interface.h
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@ -49,7 +49,8 @@ struct wlr_renderer_impl {
struct wlr_texture *(*texture_from_buffer)(struct wlr_renderer *renderer,
struct wlr_buffer *buffer);
struct wlr_render_pass *(*begin_buffer_pass)(struct wlr_renderer *renderer,
struct wlr_buffer *buffer);
struct wlr_buffer *buffer, struct wlr_buffer_pass_options *options);
struct wlr_render_timer *(*render_timer_create)(struct wlr_renderer *renderer);
};
void wlr_renderer_init(struct wlr_renderer *renderer,
@ -79,6 +80,15 @@ struct wlr_render_pass_impl {
const struct wlr_render_rect_options *options);
};
struct wlr_render_timer {
const struct wlr_render_timer_impl *impl;
};
struct wlr_render_timer_impl {
int (*get_duration_ns)(struct wlr_render_timer *timer);
void (*destroy)(struct wlr_render_timer *timer);
};
void wlr_render_texture_options_get_src_box(const struct wlr_render_texture_options *options,
struct wlr_fbox *box);
void wlr_render_texture_options_get_dst_box(const struct wlr_render_texture_options *options,