From b422e5ad3716d32f2434ca38819f4a877c7eeeeb Mon Sep 17 00:00:00 2001
From: "Xiang, Haihao" <haihao.xiang@intel.com>
Date: Tue, 25 Dec 2007 17:22:19 +0800
Subject: i915: apply commit a0a5e8cfc04c14873441b50f7d594ef11806b9a8 from 965.
 fix #11925

---
 src/mesa/drivers/dri/i915/i915_texstate.c |  2 +-
 src/mesa/drivers/dri/i915/intel_context.h |  1 +
 src/mesa/drivers/dri/i915/intel_state.c   | 26 ++++++++++++++++++++++++++
 3 files changed, 28 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/mesa/drivers/dri/i915/i915_texstate.c b/src/mesa/drivers/dri/i915/i915_texstate.c
index 09684e87b4..1c45fd5dcd 100644
--- a/src/mesa/drivers/dri/i915/i915_texstate.c
+++ b/src/mesa/drivers/dri/i915/i915_texstate.c
@@ -246,7 +246,7 @@ i915_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
 
          state[I915_TEXREG_SS2] |=
             (SS2_SHADOW_ENABLE |
-             intel_translate_compare_func(tObj->CompareFunc));
+             intel_translate_shadow_compare_func(tObj->CompareFunc));
 
          minFilt = FILTER_4X4_FLAT;
          magFilt = FILTER_4X4_FLAT;
diff --git a/src/mesa/drivers/dri/i915/intel_context.h b/src/mesa/drivers/dri/i915/intel_context.h
index 25486ed001..528e749c33 100644
--- a/src/mesa/drivers/dri/i915/intel_context.h
+++ b/src/mesa/drivers/dri/i915/intel_context.h
@@ -433,6 +433,7 @@ extern void intelInitStateFuncs(struct dd_function_table *functions);
 #define BLENDFACT_INV_CONST_ALPHA	0x0f
 #define BLENDFACT_MASK          	0x0f
 
+extern int intel_translate_shadow_compare_func(GLenum func);
 extern int intel_translate_compare_func(GLenum func);
 extern int intel_translate_stencil_op(GLenum op);
 extern int intel_translate_blend_factor(GLenum factor);
diff --git a/src/mesa/drivers/dri/i915/intel_state.c b/src/mesa/drivers/dri/i915/intel_state.c
index 271511037e..558f068a42 100644
--- a/src/mesa/drivers/dri/i915/intel_state.c
+++ b/src/mesa/drivers/dri/i915/intel_state.c
@@ -39,6 +39,32 @@
 #include "intel_regions.h"
 #include "swrast/swrast.h"
 
+int 
+intel_translate_shadow_compare_func( GLenum func )
+{
+   switch(func) {
+   case GL_NEVER: 
+       return COMPAREFUNC_ALWAYS; 
+   case GL_LESS: 
+       return COMPAREFUNC_LEQUAL; 
+   case GL_LEQUAL: 
+       return COMPAREFUNC_LESS;
+   case GL_GREATER: 
+       return COMPAREFUNC_GEQUAL; 
+   case GL_GEQUAL: 
+      return COMPAREFUNC_GREATER; 
+   case GL_NOTEQUAL: 
+      return COMPAREFUNC_EQUAL; 
+   case GL_EQUAL: 
+      return COMPAREFUNC_NOTEQUAL; 
+   case GL_ALWAYS: 
+       return COMPAREFUNC_NEVER; 
+   }
+
+   fprintf(stderr, "Unknown value in %s: %x\n", __FUNCTION__, func);
+   return COMPAREFUNC_NEVER; 
+}
+
 int
 intel_translate_compare_func(GLenum func)
 {
-- 
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