Move blend enums into GrBlend.h

include/gpu/GrXferProcessor.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrXferProcessor_DEFINED
 #define GrXferProcessor_DEFINED
 
+#include "GrBlend.h"
 #include "GrColor.h"
 #include "GrProcessor.h"
 #include "GrTexture.h"
 #include "GrTypes.h"
 #include "SkXfermode.h"
 
 class GrShaderCaps;
 class GrGLSLCaps;
 class GrGLXferProcessor;
 class GrProcOptInfo;
 
 /**
- * Equations for alpha-blending.
- */
-enum GrBlendEquation {
-    // Basic blend equations.
-    kAdd_GrBlendEquation,             //<! Cs*S + Cd*D
-    kSubtract_GrBlendEquation,        //<! Cs*S - Cd*D
-    kReverseSubtract_GrBlendEquation, //<! Cd*D - Cs*S
-
-    // Advanced blend equations. These are described in the SVG and PDF specs.
-    kScreen_GrBlendEquation,
-    kOverlay_GrBlendEquation,
-    kDarken_GrBlendEquation,
-    kLighten_GrBlendEquation,
-    kColorDodge_GrBlendEquation,
-    kColorBurn_GrBlendEquation,
-    kHardLight_GrBlendEquation,
-    kSoftLight_GrBlendEquation,
-    kDifference_GrBlendEquation,
-    kExclusion_GrBlendEquation,
-    kMultiply_GrBlendEquation,
-    kHSLHue_GrBlendEquation,
-    kHSLSaturation_GrBlendEquation,
-    kHSLColor_GrBlendEquation,
-    kHSLLuminosity_GrBlendEquation,
-
-    kFirstAdvancedGrBlendEquation = kScreen_GrBlendEquation,
-    kLast_GrBlendEquation = kHSLLuminosity_GrBlendEquation
-};
-
-static const int kGrBlendEquationCnt = kLast_GrBlendEquation + 1;
-
-/**
- * Coeffecients for alpha-blending.
- */
-enum GrBlendCoeff {
-    kZero_GrBlendCoeff,    //<! 0
-    kOne_GrBlendCoeff,     //<! 1
-    kSC_GrBlendCoeff,      //<! src color
-    kISC_GrBlendCoeff,     //<! one minus src color
-    kDC_GrBlendCoeff,      //<! dst color
-    kIDC_GrBlendCoeff,     //<! one minus dst color
-    kSA_GrBlendCoeff,      //<! src alpha
-    kISA_GrBlendCoeff,     //<! one minus src alpha
-    kDA_GrBlendCoeff,      //<! dst alpha
-    kIDA_GrBlendCoeff,     //<! one minus dst alpha
-    kConstC_GrBlendCoeff,  //<! constant color
-    kIConstC_GrBlendCoeff, //<! one minus constant color
-    kConstA_GrBlendCoeff,  //<! constant color alpha
-    kIConstA_GrBlendCoeff, //<! one minus constant color alpha
-    kS2C_GrBlendCoeff,
-    kIS2C_GrBlendCoeff,
-    kS2A_GrBlendCoeff,
-    kIS2A_GrBlendCoeff,
-
-    kLast_GrBlendCoeff = kIS2A_GrBlendCoeff
-};
-
-static const int kGrBlendCoeffCnt = kLast_GrBlendCoeff + 1;
-
-/**
  * Barriers for blending. When a shader reads the dst directly, an Xfer barrier is sometimes
  * required after a pixel has been written, before it can be safely read again.
  */
 enum GrXferBarrierType {
     kTexture_GrXferBarrierType, //<! Required when a shader reads and renders to the same texture.
     kBlend_GrXferBarrierType,   //<! Required by certain blend extensions.
 };
 
 /**
  * GrXferProcessor is responsible for implementing the xfer mode that blends the src color and dst
@@ skipping 366 matching lines @@
     enum {
         kIllegalXPFClassID = 0,
     };
     static int32_t gCurrXPFClassID;
 
     typedef GrProgramElement INHERITED;
 };
 
 #endif