i915g: Only apply the optimization to output vars.

[mesa.git] / src / gallium / drivers / i915 / i915_state_inlines.h

diff --git a/src/gallium/drivers/i915/i915_state_inlines.h b/src/gallium/drivers/i915/i915_state_inlines.h
index 378de8f9c48d479d4b80a881cf65f412ce570e10..aa992f75c51b94d55cf4bfda77ddb94e2e79155c 100644 (file)
--- a/src/gallium/drivers/i915/i915_state_inlines.h
+++ b/src/gallium/drivers/i915/i915_state_inlines.h
@@ -30,6 +30,7 @@
 
 #include "pipe/p_compiler.h"
 #include "pipe/p_defines.h"
+#include "util/u_debug.h"
 #include "i915_reg.h"
 
 
@@ -58,6 +59,31 @@ i915_translate_compare_func(unsigned func)
    }
 }
 
+static INLINE unsigned
+i915_translate_shadow_compare_func(unsigned func)
+{
+   switch (func) {
+   case PIPE_FUNC_NEVER:
+      return COMPAREFUNC_ALWAYS;
+   case PIPE_FUNC_LESS:
+      return COMPAREFUNC_LEQUAL;
+   case PIPE_FUNC_LEQUAL:
+      return COMPAREFUNC_LESS;
+   case PIPE_FUNC_GREATER:
+      return COMPAREFUNC_GEQUAL;
+   case PIPE_FUNC_GEQUAL:
+      return COMPAREFUNC_GREATER;
+   case PIPE_FUNC_NOTEQUAL:
+      return COMPAREFUNC_EQUAL;
+   case PIPE_FUNC_EQUAL:
+      return COMPAREFUNC_NOTEQUAL;
+   case PIPE_FUNC_ALWAYS:
+      return COMPAREFUNC_NEVER;
+   default:
+      return COMPAREFUNC_NEVER;
+   }
+}
+
 static INLINE unsigned
 i915_translate_stencil_op(unsigned op)
 {