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-rw-r--r--src/mesa/main/dd.h6
-rw-r--r--src/mesa/main/get.c15
2 files changed, 20 insertions, 1 deletions
diff --git a/src/mesa/main/dd.h b/src/mesa/main/dd.h
index 687a38f4487..c8a765f47aa 100644
--- a/src/mesa/main/dd.h
+++ b/src/mesa/main/dd.h
@@ -820,6 +820,12 @@ struct dd_function_table {
GLuint name);
void (*DeleteSamplerObject)(struct gl_context *ctx,
struct gl_sampler_object *samp);
+
+ /**
+ * \name Return a timestamp in nanoseconds as defined by GL_ARB_timer_query.
+ * This should be equivalent to glGetInteger64v(GL_TIMESTAMP);
+ */
+ uint64_t (*GetTimestamp)(struct gl_context *ctx);
};
diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
index a83d3672121..cff4cf39455 100644
--- a/src/mesa/main/get.c
+++ b/src/mesa/main/get.c
@@ -342,6 +342,7 @@ EXTRA_EXT(ARB_texture_buffer_object);
EXTRA_EXT(OES_EGL_image_external);
EXTRA_EXT(ARB_blend_func_extended);
EXTRA_EXT(ARB_uniform_buffer_object);
+EXTRA_EXT(ARB_timer_query);
static const int
extra_ARB_vertex_program_ARB_fragment_program_NV_vertex_program[] = {
@@ -1353,6 +1354,9 @@ static const struct value_desc values[] = {
{ GL_UNIFORM_BUFFER_BINDING, LOC_CUSTOM, TYPE_INT, 0, extra_ARB_uniform_buffer_object },
+ /* GL_ARB_timer_query */
+ { GL_TIMESTAMP, LOC_CUSTOM, TYPE_INT64, 0, extra_ARB_timer_query }
+
#endif /* FEATURE_GL */
};
@@ -1807,7 +1811,16 @@ find_custom_value(struct gl_context *ctx, const struct value_desc *d, union valu
case GL_UNIFORM_BUFFER_BINDING:
v->value_int = ctx->UniformBuffer->Name;
break;
- }
+ /* GL_ARB_timer_query */
+ case GL_TIMESTAMP:
+ if (ctx->Driver.GetTimestamp) {
+ v->value_int64 = ctx->Driver.GetTimestamp(ctx);
+ }
+ else {
+ _mesa_problem(ctx, "driver doesn't implement GetTimestamp");
+ }
+ break;
+ }
}
/**