Move all ShaderBuilder files to GLSL

src/gpu/effects/GrRRectEffect.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 "GrRRectEffect.h"
 
 #include "GrConvexPolyEffect.h"
 #include "GrFragmentProcessor.h"
 #include "GrInvariantOutput.h"
 #include "GrOvalEffect.h"
 #include "SkRRect.h"
 #include "gl/GrGLFragmentProcessor.h"
-#include "gl/builders/GrGLProgramBuilder.h"
+#include "glsl/GrGLSLFragmentShaderBuilder.h"
+#include "glsl/GrGLSLProgramBuilder.h"
 #include "glsl/GrGLSLProgramDataManager.h"
 
 // The effects defined here only handle rrect radii >= kRadiusMin.
 static const SkScalar kRadiusMin = SK_ScalarHalf;
 
 //////////////////////////////////////////////////////////////////////////////
 
 class CircularRRectEffect : public GrFragmentProcessor {
 public:
 
@@ skipping 121 matching lines @@
 }
 
 void GLCircularRRectEffect::emitCode(EmitArgs& args) {
     const CircularRRectEffect& crre = args.fFp.cast<CircularRRectEffect>();
     const char *rectName;
     const char *radiusPlusHalfName;
     // The inner rect is the rrect bounds inset by the radius. Its left, top, right, and bottom
     // edges correspond to components x, y, z, and w, respectively. When a side of the rrect has
     // only rectangular corners, that side's value corresponds to the rect edge's value outset by
     // half a pixel.
-    fInnerRectUniform = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                            kVec4f_GrSLType, kDefault_GrSLPrecision,
-                                            "innerRect",
-                                            &rectName);
-    fRadiusPlusHalfUniform = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                                 kFloat_GrSLType, kDefault_GrSLPrecision,
-                                                 "radiusPlusHalf",
-                                                 &radiusPlusHalfName);
+    fInnerRectUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
+                                                  kVec4f_GrSLType, kDefault_GrSLPrecision,
+                                                  "innerRect",
+                                                  &rectName);
+    fRadiusPlusHalfUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
+                                                       kFloat_GrSLType, kDefault_GrSLPrecision,
+                                                       "radiusPlusHalf",
+                                                       &radiusPlusHalfName);
 
-    GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
+    GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
     const char* fragmentPos = fsBuilder->fragmentPosition();
     // At each quarter-circle corner we compute a vector that is the offset of the fragment position
     // from the circle center. The vector is pinned in x and y to be in the quarter-plane relevant
     // to that corner. This means that points near the interior near the rrect top edge will have
     // a vector that points straight up for both the TL left and TR corners. Computing an
     // alpha from this vector at either the TR or TL corner will give the correct result. Similarly,
     // fragments near the other three edges will get the correct AA. Fragments in the interior of
     // the rrect will have a (0,0) vector at all four corners. So long as the radius > 0.5 they will
     // correctly produce an alpha value of 1 at all four corners. We take the min of all the alphas.
     // The code below is a simplified version of the above that performs maxs on the vector
@@ skipping 179 matching lines @@
         }
         pdman.set4f(fInnerRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.fBottom);
         pdman.set1f(fRadiusPlusHalfUniform, radius + 0.5f);
         fPrevRRect = rrect;
     }
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
 void CircularRRectEffect::onGetGLProcessorKey(const GrGLSLCaps& caps,
-                                            GrProcessorKeyBuilder* b) const {
+                                              GrProcessorKeyBuilder* b) const {
     GLCircularRRectEffect::GenKey(*this, caps, b);
 }
 
 GrGLFragmentProcessor* CircularRRectEffect::onCreateGLInstance() const  {
     return new GLCircularRRectEffect(*this);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 class EllipticalRRectEffect : public GrFragmentProcessor {
@@ skipping 112 matching lines @@
 };
 
 GLEllipticalRRectEffect::GLEllipticalRRectEffect(const GrProcessor& effect) {
     fPrevRRect.setEmpty();
 }
 
 void GLEllipticalRRectEffect::emitCode(EmitArgs& args) {
     const EllipticalRRectEffect& erre = args.fFp.cast<EllipticalRRectEffect>();
     const char *rectName;
     // The inner rect is the rrect bounds inset by the x/y radii
-    fInnerRectUniform = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
+    fInnerRectUniform = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFragment_Visibility,
                                             kVec4f_GrSLType, kDefault_GrSLPrecision,
                                             "innerRect",
                                             &rectName);
 
-    GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
+    GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder();
     const char* fragmentPos = fsBuilder->fragmentPosition();
     // At each quarter-ellipse corner we compute a vector that is the offset of the fragment pos
     // to the ellipse center. The vector is pinned in x and y to be in the quarter-plane relevant
     // to that corner. This means that points near the interior near the rrect top edge will have
     // a vector that points straight up for both the TL left and TR corners. Computing an
     // alpha from this vector at either the TR or TL corner will give the correct result. Similarly,
     // fragments near the other three edges will get the correct AA. Fragments in the interior of
     // the rrect will have a (0,0) vector at all four corners. So long as the radii > 0.5 they will
     // correctly produce an alpha value of 1 at all four corners. We take the min of all the alphas.
     //
     // The code below is a simplified version of the above that performs maxs on the vector
     // components before computing distances and alpha values so that only one distance computation
     // need be computed to determine the min alpha.
     fsBuilder->codeAppendf("\t\tvec2 dxy0 = %s.xy - %s.xy;\n", rectName, fragmentPos);
     fsBuilder->codeAppendf("\t\tvec2 dxy1 = %s.xy - %s.zw;\n", fragmentPos, rectName);
     // The uniforms with the inv squared radii are highp to prevent underflow.
     switch (erre.getRRect().getType()) {
         case SkRRect::kSimple_Type: {
             const char *invRadiiXYSqdName;
-            fInvRadiiSqdUniform = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                                      kVec2f_GrSLType, kHigh_GrSLPrecision,
-                                                      "invRadiiXY",
-                                                      &invRadiiXYSqdName);
+            fInvRadiiSqdUniform = args.fBuilder->addUniform(
+                                                         GrGLSLProgramBuilder::kFragment_Visibility,
+                                                         kVec2f_GrSLType, kHigh_GrSLPrecision,
+                                                         "invRadiiXY",
+                                                         &invRadiiXYSqdName);
             fsBuilder->codeAppend("\t\tvec2 dxy = max(max(dxy0, dxy1), 0.0);\n");
             // Z is the x/y offsets divided by squared radii.
             fsBuilder->codeAppendf("\t\tvec2 Z = dxy * %s;\n", invRadiiXYSqdName);
             break;
         }
         case SkRRect::kNinePatch_Type: {
             const char *invRadiiLTRBSqdName;
-            fInvRadiiSqdUniform = args.fBuilder->addUniform(GrGLProgramBuilder::kFragment_Visibility,
-                                                      kVec4f_GrSLType, kHigh_GrSLPrecision,
-                                                      "invRadiiLTRB",
-                                                      &invRadiiLTRBSqdName);
+            fInvRadiiSqdUniform = args.fBuilder->addUniform(
+                                                         GrGLSLProgramBuilder::kFragment_Visibility,
+                                                         kVec4f_GrSLType, kHigh_GrSLPrecision,
+                                                         "invRadiiLTRB",
+                                                         &invRadiiLTRBSqdName);
             fsBuilder->codeAppend("\t\tvec2 dxy = max(max(dxy0, dxy1), 0.0);\n");
             // Z is the x/y offsets divided by squared radii. We only care about the (at most) one
             // corner where both the x and y offsets are positive, hence the maxes. (The inverse
             // squared radii will always be positive.)
             fsBuilder->codeAppendf("\t\tvec2 Z = max(max(dxy0 * %s.xy, dxy1 * %s.zw), 0.0);\n",
                                    invRadiiLTRBSqdName, invRadiiLTRBSqdName);
             break;
         }
         default:
             SkFAIL("RRect should always be simple or nine-patch.");
@@ skipping 56 matching lines @@
             SkFAIL("RRect should always be simple or nine-patch.");
         }
         pdman.set4f(fInnerRectUniform, rect.fLeft, rect.fTop, rect.fRight, rect.fBottom);
         fPrevRRect = rrect;
     }
 }
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 
 void EllipticalRRectEffect::onGetGLProcessorKey(const GrGLSLCaps& caps,
-                                              GrProcessorKeyBuilder* b) const {
+                                                GrProcessorKeyBuilder* b) const {
     GLEllipticalRRectEffect::GenKey(*this, caps, b);
 }
 
 GrGLFragmentProcessor* EllipticalRRectEffect::onCreateGLInstance() const  {
     return new GLEllipticalRRectEffect(*this);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GrFragmentProcessor* GrRRectEffect::Create(GrPrimitiveEdgeType edgeType, const SkRRect& rrect) {
@@ skipping 85 matching lines @@
                 if (rrect.isNinePatch()) {
                     return EllipticalRRectEffect::Create(edgeType, rrect);
                 }
                 return nullptr;
             }
         }
     }
 
     return nullptr;
 }