3 files changed, 14 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_context.h b/src/mesa/drivers/dri/intel/intel_context.h
index c743ab1c24..b104096912 100644
--- a/src/mesa/drivers/dri/intel/intel_context.h
+++ b/src/mesa/drivers/dri/intel/intel_context.h
@@ -293,7 +293,6 @@ struct intel_context
 
    GLboolean use_texture_tiling;
    GLboolean use_early_z;
-
    drm_clip_rect_t fboRect;     /**< cliprect for FBO rendering */
 
    int perf_boxes;
diff --git a/src/mesa/drivers/dri/intel/intel_extensions.c b/src/mesa/drivers/dri/intel/intel_extensions.c
index f10eda7cc7..6831cbbfc8 100644
--- a/src/mesa/drivers/dri/intel/intel_extensions.c
+++ b/src/mesa/drivers/dri/intel/intel_extensions.c
@@ -182,6 +182,10 @@ static const struct dri_extension ttm_extensions[] = {
    { NULL, NULL }
 };
 
+static const struct dri_extension fragment_shader_extensions[] = {
+   { "GL_ARB_fragment_shader",            NULL },
+   { NULL, NULL }
+};
 
 /**
  * Initializes potential list of extensions if ctx == NULL, or actually enables
@@ -205,6 +209,10 @@ intelInitExtensions(GLcontext *ctx, GLboolean enable_imaging)
       driInitExtensions(ctx, brw_extensions, GL_FALSE);
 
    if (intel == NULL || IS_915(intel->intelScreen->deviceID)
-       || IS_945(intel->intelScreen->deviceID))
+       || IS_945(intel->intelScreen->deviceID)) {
       driInitExtensions(ctx, i915_extensions, GL_FALSE);
+
+      if (intel == NULL || driQueryOptionb(&intel->optionCache, "fragment_shader"))
+	 driInitExtensions(ctx, fragment_shader_extensions, GL_FALSE);
+   }
 }
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index 1b8c56e68d..2478e63637 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -79,6 +79,10 @@ PUBLIC const char __driConfigOptions[] =
 	 DRI_CONF_DESC(en, "Enable early Z in classic mode (unstable, 945-only).")
       DRI_CONF_OPT_END
 
+      DRI_CONF_OPT_BEGIN(fragment_shader, bool, false)
+	 DRI_CONF_DESC(en, "Enable limited ARB_fragment_shader support on 915/945.")
+      DRI_CONF_OPT_END
+
    DRI_CONF_SECTION_END
    DRI_CONF_SECTION_QUALITY
       DRI_CONF_FORCE_S3TC_ENABLE(false)
@@ -91,7 +95,7 @@ PUBLIC const char __driConfigOptions[] =
    DRI_CONF_SECTION_END
 DRI_CONF_END;
 
-const GLuint __driNConfigOptions = 10;
+const GLuint __driNConfigOptions = 11;
 
 #ifdef USE_NEW_INTERFACE
 static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;