dri/nouveau: add GLX_MESA_query_renderer support

 - Create nouveau_{vendor,get_renderer}_string helpers.
 - Set correct max_gl*version.
 - Query the device PCIID via libdrm_nouveau/nouveau_getparam.

Signed-off-by: Emil Velikov <[email protected]>

1 files changed, 16 insertions, 8 deletions

diff --git a/src/mesa/drivers/dri/nouveau/nouveau_driver.c b/src/mesa/drivers/dri/nouveau/nouveau_driver.c
index b2887f83e6c..c1f86724161 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_driver.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_driver.c
@@ -34,21 +34,29 @@
 
 #include "drivers/common/meta.h"
 
-static const GLubyte *
-nouveau_get_string(struct gl_context *ctx, GLenum name)
+const char const *nouveau_vendor_string = "Nouveau";
+
+const char *
+nouveau_get_renderer_string(unsigned chipset)
 {
-	static char buffer[128];
 	char hardware_name[32];
+	static char buffer[128];
+
+	snprintf(hardware_name, sizeof(hardware_name), "nv%02X", chipset);
+	driGetRendererString(buffer, hardware_name, 0);
 
+	return buffer;
+}
+
+static const GLubyte *
+nouveau_get_string(struct gl_context *ctx, GLenum name)
+{
 	switch (name) {
 		case GL_VENDOR:
-			return (GLubyte *)"Nouveau";
+			return (GLubyte *)nouveau_vendor_string;
 
 		case GL_RENDERER:
-			sprintf(hardware_name, "nv%02X", context_chipset(ctx));
-			driGetRendererString(buffer, hardware_name, 0);
-
-			return (GLubyte *)buffer;
+			return (GLubyte *)nouveau_get_renderer_string(context_chipset(ctx));
 		default:
 			return NULL;
 	}