[intel] Make the no_rast option be standard driconf instead of INTEL_NO_RAST.

src/mesa/drivers/dri/i915/intel_context.c

@@ -548,7 +548,7 @@ intelInitContext(struct intel_context *intel,
       dri_bufmgr_set_debug(intel->bufmgr, GL_TRUE);
 #endif
 
-   if (getenv("INTEL_NO_RAST")) {
+   if (driQueryOptionb(&intel->optionCache, "no_rast")) {
       fprintf(stderr, "disabling 3D rasterization\n");
       FALLBACK(intel, INTEL_FALLBACK_USER, 1);
    }

src/mesa/drivers/dri/i965/intel_context.c

@@ -584,7 +584,7 @@ GLboolean intelInitContext( struct intel_context *intel,
 /* 			  DRI_TEXMGR_DO_TEXTURE_RECT ); */
 
    /* Force all software fallbacks */
-   if (getenv("INTEL_NO_RAST")) {
+   if (driQueryOptionb(&intel->optionCache, "no_rast")) {
       fprintf(stderr, "disabling 3D rasterization\n");
       intel->no_rast = 1;
    }

src/mesa/drivers/dri/intel/intel_screen.c

@@ -51,14 +51,21 @@
 #include "intel_batchbuffer.h"
 
 PUBLIC const char __driConfigOptions[] =
-   DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
-   DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
-   DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
-   DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
-   DRI_CONF_FORCE_S3TC_ENABLE(false)
-   DRI_CONF_ALLOW_LARGE_TEXTURES(1)
-   DRI_CONF_SECTION_END DRI_CONF_END;
-     const GLuint __driNConfigOptions = 4;
+   DRI_CONF_BEGIN
+   DRI_CONF_SECTION_PERFORMANCE
+      DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
+      DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
+   DRI_CONF_SECTION_END
+   DRI_CONF_SECTION_QUALITY
+      DRI_CONF_FORCE_S3TC_ENABLE(false)
+      DRI_CONF_ALLOW_LARGE_TEXTURES(1)
+   DRI_CONF_SECTION_END
+   DRI_CONF_SECTION_DEBUG
+     DRI_CONF_NO_RAST(false)
+   DRI_CONF_SECTION_END
+DRI_CONF_END;
+
+const GLuint __driNConfigOptions = 5;
 
 #ifdef USE_NEW_INTERFACE
      static PFNGLXCREATECONTEXTMODES create_context_modes = NULL;