Module: Mesa
Branch: master
Commit: 81aa5d717bd0098608e9cc292b316293800c7e11
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=81aa5d717bd0098608e9cc292b316293800c7e11

Author: Eric Anholt <[email protected]>
Date:   Wed Jul 29 13:07:49 2009 -0700

i915: Add stub ARB_occlusion_query support under a driconf debug option.

This is useful for enabling our GLSL testcases using the 2.0 entrypoints
even though we don't have full GL 2.0.

---

 src/mesa/drivers/dri/intel/intel_extensions.c |    5 +++++
 src/mesa/drivers/dri/intel/intel_screen.c     |    6 +++++-
 2 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c 
b/src/mesa/drivers/dri/intel/intel_extensions.c
index 6831cbb..2eb08a8 100644
--- a/src/mesa/drivers/dri/intel/intel_extensions.c
+++ b/src/mesa/drivers/dri/intel/intel_extensions.c
@@ -171,6 +171,7 @@ static const struct dri_extension brw_extensions[] = {
 
 
 static const struct dri_extension arb_oq_extensions[] = {
+   { "GL_ARB_occlusion_query",            GL_ARB_occlusion_query_functions },
    { NULL, NULL }
 };
 
@@ -214,5 +215,9 @@ intelInitExtensions(GLcontext *ctx, GLboolean 
enable_imaging)
 
       if (intel == NULL || driQueryOptionb(&intel->optionCache, 
"fragment_shader"))
         driInitExtensions(ctx, fragment_shader_extensions, GL_FALSE);
+
+      if (intel == NULL || driQueryOptionb(&intel->optionCache,
+                                          "stub_occlusion_query"))
+        driInitExtensions(ctx, arb_oq_extensions, GL_FALSE);
    }
 }
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c 
b/src/mesa/drivers/dri/intel/intel_screen.c
index 2478e63..24f7fbc 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -92,10 +92,14 @@ PUBLIC const char __driConfigOptions[] =
      DRI_CONF_NO_RAST(false)
      DRI_CONF_ALWAYS_FLUSH_BATCH(false)
      DRI_CONF_ALWAYS_FLUSH_CACHE(false)
+
+      DRI_CONF_OPT_BEGIN(stub_occlusion_query, bool, false)
+        DRI_CONF_DESC(en, "Enable stub ARB_occlusion_query support on 
915/945.")
+      DRI_CONF_OPT_END
    DRI_CONF_SECTION_END
 DRI_CONF_END;
 
-const GLuint __driNConfigOptions = 11;
+const GLuint __driNConfigOptions = 12;
 
 #ifdef USE_NEW_INTERFACE
 static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;

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