llvmpipe: Minor comments / debug mnemonics.

diff --git a/src/gallium/drivers/llvmpipe/lp_bld_blend.c b/src/gallium/drivers/llvmpipe/lp_bld_blend.c
index 552e3bfd987e86bacfe8649d9883bfe280ae74cb..31dbee7d6ec41675244f89426311782250a7ce8f 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_bld_blend.c
+++ b/src/gallium/drivers/llvmpipe/lp_bld_blend.c
@@ -241,6 +241,9 @@ lp_build_blend_swizzle(struct lp_build_blend_context *bld,
 }
 
 
+/**
+ * @sa http://www.opengl.org/sdk/docs/man/xhtml/glBlendFuncSeparate.xml
+ */
 static LLVMValueRef
 lp_build_blend_factor(struct lp_build_blend_context *bld,
                       LLVMValueRef factor1,
@@ -264,6 +267,9 @@ lp_build_blend_factor(struct lp_build_blend_context *bld,
 }
 
 
+/**
+ * @sa http://www.opengl.org/sdk/docs/man/xhtml/glBlendEquationSeparate.xml
+ */
 static LLVMValueRef
 lp_build_blend_func(struct lp_build_blend_context *bld,
                     unsigned func,
@@ -323,6 +329,11 @@ lp_build_blend(LLVMBuilderRef builder,
    src_term = lp_build_blend_factor(&bld, src, blend->rgb_src_factor, blend->alpha_src_factor, alpha_swizzle);
    dst_term = lp_build_blend_factor(&bld, dst, blend->rgb_dst_factor, blend->alpha_dst_factor, alpha_swizzle);
 
+#ifdef DEBUG
+   LLVMSetValueName(src_term, "src_term");
+   LLVMSetValueName(dst_term, "dst_term");
+#endif
+
    if(blend->rgb_func == blend->alpha_func) {
       return lp_build_blend_func(&bld, blend->rgb_func, src_term, dst_term);
    }