Remove GrGLProcessor and create GrGLSLTextureSampler class.

src/gpu/effects/GrTextureDomain.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrTextureDomainEffect_DEFINED
 #define GrTextureDomainEffect_DEFINED
 
 #include "GrSingleTextureEffect.h"
 #include "gl/GrGLFragmentProcessor.h"
 #include "glsl/GrGLSLProgramDataManager.h"
 
 class GrGLProgramBuilder;
 class GrGLShaderBuilder;
 class GrInvariantOutput;
+class GrGLSLTextureSampler;
 struct SkRect;
 
 /**
  * Limits a texture's lookup coordinates to a domain. Samples outside the domain are either clamped
  * the edge of the domain or result in a vec4 of zeros (decal mode). The domain is clipped to
  * normalized texture coords ([0,1]x[0,1] square). Bilinear filtering can cause texels outside the
  * domain to affect the read value unless the caller considers this when calculating the domain.
  */
 class GrTextureDomain {
 public:
@@ skipping 53 matching lines @@
             (texelRect.fRight - inset) * wInv,
             (texelRect.fBottom - inset) * hInv
         );
     }
 
     bool operator== (const GrTextureDomain& that) const {
         return fMode == that.fMode && (kIgnore_Mode == fMode || fDomain == that.fDomain);
     }
 
     /**
-     * A GrGLProcessor subclass that corresponds to a GrProcessor subclass that uses GrTextureDomain
-     * should include this helper. It generates the texture domain GLSL, produces the part of the
-     * effect key that reflects the texture domain code, and performs the uniform uploads necessary
-     * for texture domains.
+     * A GrGLFragmentProcessor subclass that corresponds to a GrProcessor subclass that uses
+     * GrTextureDomain should include this helper. It generates the texture domain GLSL, produces
+     * the part of the effect key that reflects the texture domain code, and performs the uniform
+     * uploads necessary for texture domains.
      */
     class GLDomain {
     public:
         GLDomain() {
             for (int i = 0; i < kPrevDomainCount; i++) {
                 fPrevDomain[i] = SK_FloatNaN;
             }
             SkDEBUGCODE(fMode = (Mode) -1;)
         }
 
         /**
-         * Call this from GrGLProcessor::emitCode() to sample the texture W.R.T. the domain and
-         * mode.
+         * Call this from GrGLFragmentProcessor::emitCode() to sample the texture W.R.T. the domain
+         * and mode.
          *
          * @param outcolor  name of vec4 variable to hold the sampled color.
          * @param inCoords  name of vec2 variable containing the coords to be used with the domain.
          *                  It is assumed that this is a variable and not an expression.
          * @param inModulateColor   if non-nullptr the sampled color will be modulated with this
          *                          expression before being written to outColor.
          */
         void sampleTexture(GrGLShaderBuilder* builder,
                            const GrTextureDomain& textureDomain,
                            const char* outColor,
                            const SkString& inCoords,
-                           const GrGLProcessor::TextureSampler sampler,
+                           const GrGLSLTextureSampler& sampler,
                            const char* inModulateColor = nullptr);
 
         /**
-         * Call this from GrGLProcessor::setData() to upload uniforms necessary for the texture
-         * domain. The rectangle is automatically adjusted to account for the texture's origin.
+         * Call this from GrGLFragmentProcessor::setData() to upload uniforms necessary for the
+         * texture domain. The rectangle is automatically adjusted to account for the texture's
+         * origin.
          */
         void setData(const GrGLSLProgramDataManager& pdman, const GrTextureDomain& textureDomain,
                      GrSurfaceOrigin textureOrigin);
 
         enum {
             kDomainKeyBits = 2, // See DomainKey().
         };
 
         /**
-         * GrGLProcessor::GenKey() must call this and include the returned value in it's computed
-         * key. The returned will be limited to the lower kDomainKeyBits bits.
+         * GrGLFragmentProcessor::GenKey() must call this and include the returned value in it's
+         * computed key. The returned will be limited to the lower kDomainKeyBits bits.
          */
         static uint32_t DomainKey(const GrTextureDomain& domain) {
             GR_STATIC_ASSERT(kModeCount <= 4);
             return domain.mode();
         }
 
     private:
         static const int kPrevDomainCount = 4;
         SkDEBUGCODE(Mode                        fMode;)
         GrGLSLProgramDataManager::UniformHandle fDomainUni;
@@ skipping 46 matching lines @@
     bool onIsEqual(const GrFragmentProcessor&) const override;
 
     void onComputeInvariantOutput(GrInvariantOutput* inout) const override;
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     typedef GrSingleTextureEffect INHERITED;
 };
 
 #endif