commit ae4738f677c70f4ec7687422e1510ee3d80d810e
author bsalomon <bsalomon@google.com> Tue Sep 15 15:33:27 2015 -0700
committer Commit bot <commit-bot@chromium.org> Tue Sep 15 15:33:27 2015 -0700
tree 81c2e343e61a5102a74fbb67246101d1006c0738
parent cd7f03597475ea423aa819bdae03996b26874dd5

Create fragment processor for performing input color blend with child processor

The new FP is used to implement SkXM::Mode color filters and SkXM::Mode image filters. Also, these now support all advanced SkXM::Mode xfermodes.

Review URL: https://codereview.chromium.org/1334293003

include/gpu/SkGr.h

diff --git a/include/gpu/SkGr.h b/include/gpu/SkGr.h
index 68b93a1..99a361b 100644
--- a/include/gpu/SkGr.h
+++ b/include/gpu/SkGr.h
@@ -38,8 +38,9 @@
 GR_STATIC_ASSERT((int)kISA_GrBlendCoeff  == (int)SkXfermode::kISA_Coeff);
 GR_STATIC_ASSERT((int)kDA_GrBlendCoeff   == (int)SkXfermode::kDA_Coeff);
 GR_STATIC_ASSERT((int)kIDA_GrBlendCoeff  == (int)SkXfermode::kIDA_Coeff);
+GR_STATIC_ASSERT(SkXfermode::kCoeffCount == 10);
 
-#define sk_blend_to_grblend(X) ((GrBlendCoeff)(X))
+#define SkXfermodeCoeffToGrBlendCoeff(X) ((GrBlendCoeff)(X))
 
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -67,6 +68,16 @@
     return GrColorPackRGBA(a, a, a, a);
 }
 
+static inline SkPMColor GrColorToSkPMColor(GrColor c) {
+    GrColorIsPMAssert(c);
+    return SkPackARGB32(GrColorUnpackA(c), GrColorUnpackR(c), GrColorUnpackG(c), GrColorUnpackB(c));
+}
+
+static inline GrColor SkPMColorToGrColor(SkPMColor c) {
+    return GrColorPackRGBA(SkGetPackedR32(c), SkGetPackedG32(c), SkGetPackedB32(c),
+                           SkGetPackedA32(c));
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 /**