Move XferProcessors to glsl

src/gpu/gl/GrGLXferProcessor.h

Index: src/gpu/gl/GrGLXferProcessor.h
diff --git a/src/gpu/gl/GrGLXferProcessor.h b/src/gpu/gl/GrGLXferProcessor.h
deleted file mode 100644
index 1e505f3d07b8c295806e85456cc42e982229aeb0..0000000000000000000000000000000000000000
--- a/src/gpu/gl/GrGLXferProcessor.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * 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 GrGLXferProcessor_DEFINED
-#define GrGLXferProcessor_DEFINED
-
-#include "glsl/GrGLSLProgramDataManager.h"
-#include "glsl/GrGLSLTextureSampler.h"
-
-class GrGLSLXPBuilder;
-class GrXferProcessor;
-
-class GrGLXferProcessor {
-public:
-    GrGLXferProcessor() {}
-    virtual ~GrGLXferProcessor() {}
-
-    typedef GrGLSLTextureSampler::TextureSamplerArray TextureSamplerArray;
-    struct EmitArgs {
-        EmitArgs(GrGLSLXPBuilder* pb,
-                 const GrXferProcessor& xp,
-                 const char* inputColor,
-                 const char* inputCoverage,
-                 const char* outputPrimary,
-                 const char* outputSecondary,
-                 const TextureSamplerArray& samplers)
-            : fPB(pb)
-            , fXP(xp)
-            , fInputColor(inputColor)
-            , fInputCoverage(inputCoverage)
-            , fOutputPrimary(outputPrimary)
-            , fOutputSecondary(outputSecondary)
-            , fSamplers(samplers) {}
-
-        GrGLSLXPBuilder* fPB;
-        const GrXferProcessor& fXP;
-        const char* fInputColor;
-        const char* fInputCoverage;
-        const char* fOutputPrimary;
-        const char* fOutputSecondary;
-        const TextureSamplerArray& fSamplers;
-    };
-    /**
-     * This is similar to emitCode() in the base class, except it takes a full shader builder.
-     * This allows the effect subclass to emit vertex code.
-     */
-    void emitCode(const EmitArgs&);
-
-    /** A GrGLXferProcessor instance can be reused with any GrGLXferProcessor that produces
-        the same stage key; this function reads data from a GrGLXferProcessor and uploads any
-        uniform variables required  by the shaders created in emitCode(). The GrXferProcessor
-        parameter is guaranteed to be of the same type that created this GrGLXferProcessor and
-        to have an identical processor key as the one that created this GrGLXferProcessor. This
-        function calls onSetData on the subclass of GrGLXferProcessor
-     */
-    void setData(const GrGLSLProgramDataManager& pdm, const GrXferProcessor& xp);
-
-private:
-    /**
-     * Called by emitCode() when the XP will not be performing a dst read. This method is
-     * responsible for both blending and coverage. A subclass only needs to implement this method if
-     * it can construct a GrXferProcessor that will not read the dst color.
-     */
-    virtual void emitOutputsForBlendState(const EmitArgs&) {
-        SkFAIL("emitOutputsForBlendState not implemented.");
-    }
-
-    /**
-     * Called by emitCode() when the XP will perform a dst read. This method only needs to supply
-     * the blending logic. The base class applies coverage. A subclass only needs to implement this
-     * method if it can construct a GrXferProcessor that reads the dst color.
-     */
-    virtual void emitBlendCodeForDstRead(GrGLSLXPBuilder*,
-                                         const char* srcColor,
-                                         const char* dstColor,
-                                         const char* outColor,
-                                         const GrXferProcessor&) {
-        SkFAIL("emitBlendCodeForDstRead not implemented.");
-    }
-
-    virtual void onSetData(const GrGLSLProgramDataManager&, const GrXferProcessor&) = 0;
-
-    GrGLSLProgramDataManager::UniformHandle fDstTopLeftUni;
-    GrGLSLProgramDataManager::UniformHandle fDstScaleUni;
-};
-#endif