remove one place we read from gpu key in effects

src/effects/gradients/SkTwoPointConicalGradient_gpu.cpp

 
 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkTwoPointConicalGradient_gpu.h"
 
@@ skipping 206 matching lines @@
 
 GLEdge2PtConicalEffect::GLEdge2PtConicalEffect(const GrBackendProcessorFactory& factory,
                                                const GrProcessor&)
     : INHERITED(factory)
     , fVSVaryingName(NULL)
     , fFSVaryingName(NULL)
     , fCachedRadius(-SK_ScalarMax)
     , fCachedDiffRadius(-SK_ScalarMax) {}
 
 void GLEdge2PtConicalEffect::emitCode(GrGLFPBuilder* builder,
-                                      const GrFragmentProcessor&,
+                                      const GrFragmentProcessor& fp,
                                       const GrProcessorKey& key,
                                       const char* outputColor,
                                       const char* inputColor,
                                       const TransformedCoordsArray& coords,
                                       const TextureSamplerArray& samplers) {
-    uint32_t baseKey = key.get32(0);
-    this->emitUniforms(builder, baseKey);
+    const GrGradientEffect& ge = fp.cast<GrGradientEffect>();
+    this->emitUniforms(builder, ge);
     fParamUni = builder->addUniformArray(GrGLProgramBuilder::kFragment_Visibility,
                                          kFloat_GrSLType, "Conical2FSParams", 3);
 
     SkString cName("c");
     SkString tName("t");
     SkString p0; // start radius
     SkString p1; // start radius squared
     SkString p2; // difference in radii (r1 - r0)
 
     builder->getUniformVariable(fParamUni).appendArrayAccess(0, &p0);
@@ skipping 25 matching lines @@
                            cName.c_str(), coords2D, coords2D, p1.c_str());
 
     // linear case: t = -c/b
     fsBuilder->codeAppendf("\tfloat %s = -(%s / %s);\n", tName.c_str(),
                            cName.c_str(), bVar.c_str());
 
     // if r(t) > 0, then t will be the x coordinate
     fsBuilder->codeAppendf("\tif (%s * %s + %s > 0.0) {\n", tName.c_str(),
                            p2.c_str(), p0.c_str());
     fsBuilder->codeAppend("\t");
-    this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, samplers);
+    this->emitColor(builder, ge, tName.c_str(), outputColor, inputColor, samplers);
     fsBuilder->codeAppend("\t}\n");
 }
 
 void GLEdge2PtConicalEffect::setData(const GrGLProgramDataManager& pdman,
                                      const GrProcessor& processor) {
     INHERITED::setData(pdman, processor);
     const Edge2PtConicalEffect& data = processor.cast<Edge2PtConicalEffect>();
     SkScalar radius0 = data.radius();
     SkScalar diffRadius = data.diffRadius();
 
@@ skipping 207 matching lines @@
                                                                const GrProcessor& processor)
     : INHERITED(factory)
     , fVSVaryingName(NULL)
     , fFSVaryingName(NULL)
     , fCachedFocal(SK_ScalarMax) {
     const FocalOutside2PtConicalEffect& data = processor.cast<FocalOutside2PtConicalEffect>();
     fIsFlipped = data.isFlipped();
 }
 
 void GLFocalOutside2PtConicalEffect::emitCode(GrGLFPBuilder* builder,
-                                              const GrFragmentProcessor&,
+                                              const GrFragmentProcessor& fp,
                                               const GrProcessorKey& key,
                                               const char* outputColor,
                                               const char* inputColor,
                                               const TransformedCoordsArray& coords,
                                               const TextureSamplerArray& samplers) {
-    uint32_t baseKey = key.get32(0);
-    this->emitUniforms(builder, baseKey);
+    const GrGradientEffect& ge = fp.cast<GrGradientEffect>();
+    this->emitUniforms(builder, ge);
     fParamUni = builder->addUniformArray(GrGLProgramBuilder::kFragment_Visibility,
                                          kFloat_GrSLType, "Conical2FSParams", 2);
     SkString tName("t");
     SkString p0; // focalX
     SkString p1; // 1 - focalX * focalX
 
     builder->getUniformVariable(fParamUni).appendArrayAccess(0, &p0);
     builder->getUniformVariable(fParamUni).appendArrayAccess(1, &p1);
 
     // if we have a vec3 from being in perspective, convert it to a vec2 first
@@ skipping 16 matching lines @@
     if (!fIsFlipped) {
         fsBuilder->codeAppendf("\tfloat %s = %s.x * %s  + sqrt(d);\n", tName.c_str(),
                                coords2D, p0.c_str());
     } else {
         fsBuilder->codeAppendf("\tfloat %s = %s.x * %s  - sqrt(d);\n", tName.c_str(),
                                coords2D, p0.c_str());
     }
 
     fsBuilder->codeAppendf("\tif (%s >= 0.0 && d >= 0.0) {\n", tName.c_str());
     fsBuilder->codeAppend("\t\t");
-    this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, samplers);
+    this->emitColor(builder, ge, tName.c_str(), outputColor, inputColor, samplers);
     fsBuilder->codeAppend("\t}\n");
 }
 
 void GLFocalOutside2PtConicalEffect::setData(const GrGLProgramDataManager& pdman,
                                              const GrProcessor& processor) {
     INHERITED::setData(pdman, processor);
     const FocalOutside2PtConicalEffect& data = processor.cast<FocalOutside2PtConicalEffect>();
     SkASSERT(data.isFlipped() == fIsFlipped);
     SkScalar focal = data.focal();
 
@@ skipping 141 matching lines @@
 }
 
 GLFocalInside2PtConicalEffect::GLFocalInside2PtConicalEffect(const GrBackendProcessorFactory& factory,
                                                              const GrProcessor&)
     : INHERITED(factory)
     , fVSVaryingName(NULL)
     , fFSVaryingName(NULL)
     , fCachedFocal(SK_ScalarMax) {}
 
 void GLFocalInside2PtConicalEffect::emitCode(GrGLFPBuilder* builder,
-                                             const GrFragmentProcessor&,
+                                             const GrFragmentProcessor& fp,
                                              const GrProcessorKey& key,
                                              const char* outputColor,
                                              const char* inputColor,
                                              const TransformedCoordsArray& coords,
                                              const TextureSamplerArray& samplers) {
-    uint32_t baseKey = key.get32(0);
-    this->emitUniforms(builder, baseKey);
+    const GrGradientEffect& ge = fp.cast<GrGradientEffect>();
+    this->emitUniforms(builder, ge);
     fFocalUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                     kFloat_GrSLType, "Conical2FSParams");
     SkString tName("t");
 
     // this is the distance along x-axis from the end center to focal point in
     // transformed coordinates
     GrGLShaderVar focal = builder->getUniformVariable(fFocalUni);
 
     // if we have a vec3 from being in perspective, convert it to a vec2 first
     GrGLFPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder();
     SkString coords2DString = fsBuilder->ensureFSCoords2D(coords, 0);
     const char* coords2D = coords2DString.c_str();
 
     // t = p.x * focalX + length(p)
     fsBuilder->codeAppendf("\tfloat %s = %s.x * %s  + length(%s);\n", tName.c_str(),
                            coords2D, focal.c_str(), coords2D);
 
-    this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, samplers);
+    this->emitColor(builder, ge, tName.c_str(), outputColor, inputColor, samplers);
 }
 
 void GLFocalInside2PtConicalEffect::setData(const GrGLProgramDataManager& pdman,
                                             const GrProcessor& processor) {
     INHERITED::setData(pdman, processor);
     const FocalInside2PtConicalEffect& data = processor.cast<FocalInside2PtConicalEffect>();
     SkScalar focal = data.focal();
 
     if (fCachedFocal != focal) {
         pdman.set1f(fFocalUni, SkScalarToFloat(focal));
@@ skipping 207 matching lines @@
     : INHERITED(factory)
     , fVSVaryingName(NULL)
     , fFSVaryingName(NULL)
     , fCachedCenterX(SK_ScalarMax)
     , fCachedCenterY(SK_ScalarMax)
     , fCachedA(SK_ScalarMax)
     , fCachedB(SK_ScalarMax)
     , fCachedC(SK_ScalarMax) {}
 
 void GLCircleInside2PtConicalEffect::emitCode(GrGLFPBuilder* builder,
-                                              const GrFragmentProcessor&,
+                                              const GrFragmentProcessor& fp,
                                               const GrProcessorKey& key,
                                               const char* outputColor,
                                               const char* inputColor,
                                               const TransformedCoordsArray& coords,
                                               const TextureSamplerArray& samplers) {
-    uint32_t baseKey = key.get32(0);
-    this->emitUniforms(builder, baseKey);
+    const GrGradientEffect& ge = fp.cast<GrGradientEffect>();
+    this->emitUniforms(builder, ge);
     fCenterUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                      kVec2f_GrSLType, "Conical2FSCenter");
     fParamUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                     kVec3f_GrSLType, "Conical2FSParams");
     SkString tName("t");
 
     GrGLShaderVar center = builder->getUniformVariable(fCenterUni);
     // params.x = A
     // params.y = B
     // params.z = C
@@ skipping 11 matching lines @@
     // B = (r -1) / A
     // C = 1 / A
     // d = dot(e, p) + B
     // t = d +/- sqrt(d^2 - A * dot(p, p) + C)
     fsBuilder->codeAppendf("\tfloat pDotp = dot(%s,  %s);\n", coords2D, coords2D);
     fsBuilder->codeAppendf("\tfloat d = dot(%s,  %s) + %s.y;\n", coords2D, center.c_str(),
                            params.c_str());
     fsBuilder->codeAppendf("\tfloat %s = d + sqrt(d * d - %s.x * pDotp + %s.z);\n",
                            tName.c_str(), params.c_str(), params.c_str());
 
-    this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, samplers);
+    this->emitColor(builder, ge, tName.c_str(), outputColor, inputColor, samplers);
 }
 
 void GLCircleInside2PtConicalEffect::setData(const GrGLProgramDataManager& pdman,
                                              const GrProcessor& processor) {
     INHERITED::setData(pdman, processor);
     const CircleInside2PtConicalEffect& data = processor.cast<CircleInside2PtConicalEffect>();
     SkScalar centerX = data.centerX();
     SkScalar centerY = data.centerY();
     SkScalar A = data.A();
     SkScalar B = data.B();
@@ skipping 180 matching lines @@
     , fCachedCenterY(SK_ScalarMax)
     , fCachedA(SK_ScalarMax)
     , fCachedB(SK_ScalarMax)
     , fCachedC(SK_ScalarMax)
     , fCachedTLimit(SK_ScalarMax) {
     const CircleOutside2PtConicalEffect& data = processor.cast<CircleOutside2PtConicalEffect>();
     fIsFlipped = data.isFlipped();
     }
 
 void GLCircleOutside2PtConicalEffect::emitCode(GrGLFPBuilder* builder,
-                                               const GrFragmentProcessor&,
+                                               const GrFragmentProcessor& fp,
                                                const GrProcessorKey& key,
                                                const char* outputColor,
                                                const char* inputColor,
                                                const TransformedCoordsArray& coords,
                                                const TextureSamplerArray& samplers) {
-    uint32_t baseKey = key.get32(0);
-    this->emitUniforms(builder, baseKey);
+    const GrGradientEffect& ge = fp.cast<GrGradientEffect>();
+    this->emitUniforms(builder, ge);
     fCenterUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                      kVec2f_GrSLType, "Conical2FSCenter");
     fParamUni = builder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
                                     kVec4f_GrSLType, "Conical2FSParams");
     SkString tName("t");
 
     GrGLShaderVar center = builder->getUniformVariable(fCenterUni);
     // params.x = A
     // params.y = B
     // params.z = C
@@ skipping 26 matching lines @@
     // Must check to see if we flipped the circle order (to make sure start radius < end radius)
     // If so we must also flip sign on sqrt
     if (!fIsFlipped) {
         fsBuilder->codeAppendf("\tfloat %s = d + sqrt(deter);\n", tName.c_str());
     } else {
         fsBuilder->codeAppendf("\tfloat %s = d - sqrt(deter);\n", tName.c_str());
     }
 
     fsBuilder->codeAppendf("\tif (%s >= %s.w && deter >= 0.0) {\n", tName.c_str(), params.c_str());
     fsBuilder->codeAppend("\t\t");
-    this->emitColor(builder, tName.c_str(), baseKey, outputColor, inputColor, samplers);
+    this->emitColor(builder, ge, tName.c_str(), outputColor, inputColor, samplers);
     fsBuilder->codeAppend("\t}\n");
 }
 
 void GLCircleOutside2PtConicalEffect::setData(const GrGLProgramDataManager& pdman,
                                               const GrProcessor& processor) {
     INHERITED::setData(pdman, processor);
     const CircleOutside2PtConicalEffect& data = processor.cast<CircleOutside2PtConicalEffect>();
     SkASSERT(data.isFlipped() == fIsFlipped);
     SkScalar centerX = data.centerX();
     SkScalar centerY = data.centerY();
@@ skipping 63 matching lines @@
         return CircleInside2PtConicalEffect::Create(ctx, shader, matrix, tm, info);
     } else if (type == kEdge_ConicalType) {
         set_matrix_edge_conical(shader, &matrix);
         return Edge2PtConicalEffect::Create(ctx, shader, matrix, tm);
     } else {
         return CircleOutside2PtConicalEffect::Create(ctx, shader, matrix, tm, info);
     }
 }
 
 #endif