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render: add wlr_renderer_get_time()

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This queries the current GPU time.

[1]: https://registry.khronos.org/OpenGL/extensions/EXT/EXT_disjoint_timer_query.txt

References: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3025
This commit is contained in:
Simon Ser 2022-09-23 21:55:29 +02:00
parent c07424411a
commit b4765809b5
5 changed files with 45 additions and 0 deletions
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6
include/render/gles2.h
View file

@ -32,6 +32,10 @@ struct wlr_gles2_tex_shader {
GLint tex_attrib;
};
// Fixed here, but missing from any libglvnd release:
// https://gitlab.freedesktop.org/glvnd/libglvnd/-/merge_requests/268
typedef void (GL_APIENTRYP PFNGLGETINTEGER64VEXTPROC) (GLenum pname, GLint64 *data);
struct wlr_gles2_renderer {
struct wlr_renderer wlr_renderer;
@ -48,6 +52,7 @@ struct wlr_gles2_renderer {
bool EXT_texture_type_2_10_10_10_REV;
bool OES_texture_half_float_linear;
bool EXT_texture_norm16;
bool EXT_disjoint_timer_query;
} exts;
struct {
@ -57,6 +62,7 @@ struct wlr_gles2_renderer {
PFNGLPOPDEBUGGROUPKHRPROC glPopDebugGroupKHR;
PFNGLPUSHDEBUGGROUPKHRPROC glPushDebugGroupKHR;
PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC glEGLImageTargetRenderbufferStorageOES;
PFNGLGETINTEGER64VEXTPROC glGetInteger64vEXT;
} procs;
struct {

1
include/wlr/render/interface.h
View file

@ -48,6 +48,7 @@ struct wlr_renderer_impl {
uint32_t (*get_render_buffer_caps)(struct wlr_renderer *renderer);
struct wlr_texture *(*texture_from_buffer)(struct wlr_renderer *renderer,
struct wlr_buffer *buffer);
bool (*get_time)(struct wlr_renderer *r, struct timespec *t);
};
void wlr_renderer_init(struct wlr_renderer *renderer,

7
include/wlr/render/wlr_renderer.h
View file

@ -14,6 +14,8 @@
#include <wlr/backend.h>
#include <wlr/render/wlr_texture.h>
struct timespec;
struct wlr_renderer_impl;
struct wlr_drm_format_set;
struct wlr_buffer;
@ -112,6 +114,11 @@ bool wlr_renderer_init_wl_shm(struct wlr_renderer *r,
*/
int wlr_renderer_get_drm_fd(struct wlr_renderer *r);
/**
* Get the current GPU time.
*/
bool wlr_renderer_get_time(struct wlr_renderer *r, struct timespec *t);
/**
* Destroys the renderer.
*