The extension is used to implement GLX_MESA_query_renderer.
Currently untested, due to lack of dri3 enabled drivers.
Signed-off-by: Emil Velikov <emil.l.veli...@gmail.com>
---
src/glx/dri3_glx.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++-----
src/glx/dri3_priv.h | 1 +
2 files changed, 51 insertions(+), 5 deletions(-)
diff --git a/src/glx/dri3_glx.c b/src/glx/dri3_glx.c
index 70ec057..78f956d 100644
--- a/src/glx/dri3_glx.c
+++ b/src/glx/dri3_glx.c
@@ -266,6 +266,51 @@ dri3_create_context(struct glx_screen *base,
0, NULL, &error);
}
+static int
+dri3_query_renderer_integer(struct glx_screen *base, int attribute,
+ unsigned int *value)
+{
+ struct dri3_screen *const psc = (struct dri3_screen *) base;
+
+ /* Even though there are invalid values (and
+ * dri2_convert_glx_query_renderer_attribs may return -1), the higher level
+ * GLX code is required to perform the filtering. Assume that we got a
+ * good value.
+ */
+ const int dri_attribute =
dri2_convert_glx_query_renderer_attribs(attribute);
+
+ if (psc->rendererQuery == NULL)
+ return -1;
+
+ return psc->rendererQuery->queryInteger(psc->driScreen, dri_attribute,
+ value);
+}
+
+static int
+dri3_query_renderer_string(struct glx_screen *base, int attribute,
+ const char **value)
+{
+ struct dri3_screen *const psc = (struct dri3_screen *) base;
+
+ /* Even though queryString only accepts a subset of the possible GLX
+ * queries, the higher level GLX code is required to perform the filtering.
+ * Assume that we got a good value.
+ */
+ const int dri_attribute =
dri2_convert_glx_query_renderer_attribs(attribute);
+
+ if (psc->rendererQuery == NULL)
+ return -1;
+
+ return psc->rendererQuery->queryString(psc->driScreen, dri_attribute,
value);
+}
+
+static const struct glx_screen_vtable dri3_screen_vtable = {
+ dri3_create_context,
+ dri3_create_context_attribs,
+ dri3_query_renderer_integer,
+ dri3_query_renderer_string,
+};
+
static void
dri3_free_render_buffer(struct dri3_drawable *pdraw, struct dri3_buffer
*buffer);
@@ -1580,14 +1625,14 @@ dri3_bind_extensions(struct dri3_screen *psc, struct
glx_display * priv,
if (strcmp(extensions[i]->name, __DRI2_ROBUSTNESS) == 0)
__glXEnableDirectExtension(&psc->base,
"GLX_ARB_create_context_robustness");
+
+ if (strcmp(extensions[i]->name, __DRI2_RENDERER_QUERY) == 0) {
+ psc->rendererQuery = (__DRI2rendererQueryExtension *) extensions[i];
+ __glXEnableDirectExtension(&psc->base, "GLX_MESA_query_renderer");
+ }
}
}
-static const struct glx_screen_vtable dri3_screen_vtable = {
- dri3_create_context,
- dri3_create_context_attribs
-};
-
/** dri3_create_screen
*
* Initialize DRI3 on the specified screen.
diff --git a/src/glx/dri3_priv.h b/src/glx/dri3_priv.h
index 1d124f8..3346a17 100644
--- a/src/glx/dri3_priv.h
+++ b/src/glx/dri3_priv.h
@@ -129,6 +129,7 @@ struct dri3_screen {
const __DRI2flushExtension *f;
const __DRI2configQueryExtension *config;
const __DRItexBufferExtension *texBuffer;
+ const __DRI2rendererQueryExtension *rendererQuery;
const __DRIconfig **driver_configs;
void *driver;
--
1.9.0
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