From 45ca284eeee7790663a10cc3b8af5ccf00ebb059 Mon Sep 17 00:00:00 2001
From: Rose Hudson <rose@krx.sh>
Date: Fri, 2 Jun 2023 11:10:35 +0100
Subject: render/gles2: implement timer API

---
 include/render/gles2.h | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'include/render/gles2.h')

diff --git a/include/render/gles2.h b/include/render/gles2.h
index 619566fb..930cf07d 100644
--- a/include/render/gles2.h
+++ b/include/render/gles2.h
@@ -6,6 +6,7 @@
 #include <stdbool.h>
 #include <stdint.h>
 #include <string.h>
+#include <time.h>
 #include <wlr/render/egl.h>
 #include <wlr/render/gles2.h>
 #include <wlr/render/interface.h>
@@ -14,6 +15,11 @@
 #include <wlr/util/addon.h>
 #include <wlr/util/log.h>
 
+// mesa ships old GL headers that don't include this type, so for distros that use headers from
+// mesa we need to def it ourselves until they update.
+// https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23144
+typedef void (GL_APIENTRYP PFNGLGETINTEGER64VEXTPROC) (GLenum pname, GLint64 *data);
+
 struct wlr_gles2_pixel_format {
 	uint32_t drm_format;
 	// optional field, if empty then internalformat = format
@@ -47,6 +53,7 @@ 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 +64,12 @@ struct wlr_gles2_renderer {
 		PFNGLPUSHDEBUGGROUPKHRPROC glPushDebugGroupKHR;
 		PFNGLEGLIMAGETARGETRENDERBUFFERSTORAGEOESPROC glEGLImageTargetRenderbufferStorageOES;
 		PFNGLGETGRAPHICSRESETSTATUSKHRPROC glGetGraphicsResetStatusKHR;
+		PFNGLGENQUERIESEXTPROC glGenQueriesEXT;
+		PFNGLDELETEQUERIESEXTPROC glDeleteQueriesEXT;
+		PFNGLQUERYCOUNTEREXTPROC glQueryCounterEXT;
+		PFNGLGETQUERYOBJECTIVEXTPROC glGetQueryObjectivEXT;
+		PFNGLGETQUERYOBJECTUI64VEXTPROC glGetQueryObjectui64vEXT;
+		PFNGLGETINTEGER64VEXTPROC glGetInteger64vEXT;
 	} procs;
 
 	struct {
@@ -78,6 +91,15 @@ struct wlr_gles2_renderer {
 	uint32_t viewport_width, viewport_height;
 };
 
+struct wlr_gles2_render_timer {
+	struct wlr_render_timer base;
+	struct wlr_gles2_renderer *renderer;
+	struct timespec cpu_start;
+	struct timespec cpu_end;
+	GLuint id;
+	GLint64 gl_cpu_end;
+};
+
 struct wlr_gles2_buffer {
 	struct wlr_buffer *buffer;
 	struct wlr_gles2_renderer *renderer;
@@ -116,6 +138,7 @@ struct wlr_gles2_render_pass {
 	struct wlr_render_pass base;
 	struct wlr_gles2_buffer *buffer;
 	float projection_matrix[9];
+	struct wlr_gles2_render_timer *timer;
 };
 
 bool is_gles2_pixel_format_supported(const struct wlr_gles2_renderer *renderer,
@@ -128,6 +151,8 @@ const uint32_t *get_gles2_shm_formats(const struct wlr_gles2_renderer *renderer,
 
 struct wlr_gles2_renderer *gles2_get_renderer(
 	struct wlr_renderer *wlr_renderer);
+struct wlr_gles2_render_timer *gles2_get_render_timer(
+	struct wlr_render_timer *timer);
 struct wlr_gles2_texture *gles2_get_texture(
 	struct wlr_texture *wlr_texture);
 
@@ -140,6 +165,7 @@ void push_gles2_debug_(struct wlr_gles2_renderer *renderer,
 #define push_gles2_debug(renderer) push_gles2_debug_(renderer, _WLR_FILENAME, __func__)
 void pop_gles2_debug(struct wlr_gles2_renderer *renderer);
 
-struct wlr_gles2_render_pass *begin_gles2_buffer_pass(struct wlr_gles2_buffer *buffer);
+struct wlr_gles2_render_pass *begin_gles2_buffer_pass(struct wlr_gles2_buffer *buffer,
+	struct wlr_gles2_render_timer *timer);
 
 #endif
-- 
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