Revert of Stop flattening GrCoordTransforms in parent GrFragmentProcessors.

src/gpu/glsl/GrGLSLGeometryProcessor.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 "GrGLSLGeometryProcessor.h"
 
 #include "GrCoordTransform.h"
@@ skipping 11 matching lines @@
         args.fVaryingHandler->setNoPerspective();
     }
 }
 
 void GrGLSLGeometryProcessor::emitTransforms(GrGLSLVertexBuilder* vb,
                                              GrGLSLVaryingHandler* varyingHandler,
                                              GrGLSLUniformHandler* uniformHandler,
                                              const GrShaderVar& posVar,
                                              const char* localCoords,
                                              const SkMatrix& localMatrix,
-                                             FPCoordTransformHandler* handler) {
-    int i = 0;
-    while (const GrCoordTransform* coordTransform = handler->nextCoordTransform()) {
-        SkString strUniName;
-        strUniName.printf("CoordTransformMatrix_%d", i);
-        GrSLType varyingType;
+                                             const TransformsIn& tin,
+                                             TransformsOut* tout) {
+    tout->push_back_n(tin.count());
+    fInstalledTransforms.push_back_n(tin.count());
+    for (int i = 0; i < tin.count(); i++) {
+        const ProcCoords& coordTransforms = tin[i];
+        fInstalledTransforms[i].push_back_n(coordTransforms.count());
+        for (int t = 0; t < coordTransforms.count(); t++) {
+            SkString strUniName("StageMatrix");
+            strUniName.appendf("_%i_%i", i, t);
+            GrSLType varyingType;
 
-        GrCoordSet coordType = coordTransform->sourceCoords();
-        uint32_t type = coordTransform->getMatrix().getType();
-        if (kLocal_GrCoordSet == coordType) {
-            type |= localMatrix.getType();
-        }
-        varyingType = SkToBool(SkMatrix::kPerspective_Mask & type) ? kVec3f_GrSLType :
-                                                                     kVec2f_GrSLType;
-        GrSLPrecision precision = coordTransform->precision();
+            GrCoordSet coordType = coordTransforms[t]->sourceCoords();
+            uint32_t type = coordTransforms[t]->getMatrix().getType();
+            if (kLocal_GrCoordSet == coordType) {
+                type |= localMatrix.getType();
+            }
+            varyingType = SkToBool(SkMatrix::kPerspective_Mask & type) ? kVec3f_GrSLType :
+                                                                         kVec2f_GrSLType;
+            GrSLPrecision precision = coordTransforms[t]->precision();
 
-        const char* uniName;
+            const char* uniName;
+            fInstalledTransforms[i][t].fHandle =
+                    uniformHandler->addUniform(kVertex_GrShaderFlag,
+                                               kMat33f_GrSLType, precision,
+                                               strUniName.c_str(),
+                                               &uniName).toIndex();
 
+            SkString strVaryingName("MatrixCoord");
+            strVaryingName.appendf("_%i_%i", i, t);
 
-        fInstalledTransforms.push_back().fHandle = uniformHandler->addUniform(kVertex_GrShaderFlag,
-                                                                              kMat33f_GrSLType,
-                                                                              precision,
-                                                                              strUniName.c_str(),
-                                                                              &uniName).toIndex();
-        SkString strVaryingName;
-        strVaryingName.printf("TransformedCoords_%d", i);
+            GrGLSLVertToFrag v(varyingType);
+            varyingHandler->addVarying(strVaryingName.c_str(), &v, precision);
 
-        GrGLSLVertToFrag v(varyingType);
-        varyingHandler->addVarying(strVaryingName.c_str(), &v, precision);
+            SkASSERT(kVec2f_GrSLType == varyingType || kVec3f_GrSLType == varyingType);
+            (*tout)[i].emplace_back(SkString(v.fsIn()), varyingType);
 
-        SkASSERT(kVec2f_GrSLType == varyingType || kVec3f_GrSLType == varyingType);
-        handler->specifyCoordsForCurrCoordTransform(SkString(v.fsIn()), varyingType);
-
-        // varying = matrix * coords (logically)
-        if (kDevice_GrCoordSet == coordType) {
-            if (kVec2f_GrSLType == varyingType) {
-                if (kVec2f_GrSLType == posVar.getType()) {
-                    vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;",
-                                    v.vsOut(), uniName, posVar.c_str());
+            // varying = matrix * coords (logically)
+            if (kDevice_GrCoordSet == coordType) {
+                if (kVec2f_GrSLType == varyingType) {
+                    if (kVec2f_GrSLType == posVar.getType()) {
+                        vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;",
+                                        v.vsOut(), uniName, posVar.c_str());
+                    } else {
+                        // The brackets here are just to scope the temp variable
+                        vb->codeAppendf("{ vec3 temp = %s * %s;", uniName, posVar.c_str());
+                        vb->codeAppendf("%s = vec2(temp.x/temp.z, temp.y/temp.z); }", v.vsOut());
+                    }
                 } else {
-                    // The brackets here are just to scope the temp variable
-                    vb->codeAppendf("{ vec3 temp = %s * %s;", uniName, posVar.c_str());
-                    vb->codeAppendf("%s = vec2(temp.x/temp.z, temp.y/temp.z); }", v.vsOut());
+                    if (kVec2f_GrSLType == posVar.getType()) {
+                        vb->codeAppendf("%s = %s * vec3(%s, 1);",
+                                        v.vsOut(), uniName, posVar.c_str());
+                    } else {
+                        vb->codeAppendf("%s = %s * %s;", v.vsOut(), uniName, posVar.c_str());
+                    }
                 }
             } else {
-                if (kVec2f_GrSLType == posVar.getType()) {
-                    vb->codeAppendf("%s = %s * vec3(%s, 1);",
-                                    v.vsOut(), uniName, posVar.c_str());
+                if (kVec2f_GrSLType == varyingType) {
+                    vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;", v.vsOut(), uniName, localCoords);
                 } else {
-                    vb->codeAppendf("%s = %s * %s;", v.vsOut(), uniName, posVar.c_str());
+                    vb->codeAppendf("%s = %s * vec3(%s, 1);", v.vsOut(), uniName, localCoords);
                 }
             }
-        } else {
-            if (kVec2f_GrSLType == varyingType) {
-                vb->codeAppendf("%s = (%s * vec3(%s, 1)).xy;", v.vsOut(), uniName, localCoords);
-            } else {
-                vb->codeAppendf("%s = %s * vec3(%s, 1);", v.vsOut(), uniName, localCoords);
-            }
         }
-        ++i;
     }
 }
 
-void GrGLSLGeometryProcessor::setTransformDataHelper(const SkMatrix& localMatrix,
-                                                     const GrGLSLProgramDataManager& pdman,
-                                                     FPCoordTransformIter* transformIter) {
-    int i = 0;
-    while (const GrCoordTransform* coordTransform = transformIter->next()) {
-        const SkMatrix& m = GetTransformMatrix(localMatrix, *coordTransform);
-        if (!fInstalledTransforms[i].fCurrentValue.cheapEqualTo(m)) {
-            pdman.setSkMatrix(fInstalledTransforms[i].fHandle.toIndex(), m);
-            fInstalledTransforms[i].fCurrentValue = m;
-        }
-        ++i;
-    }
-    SkASSERT(i == fInstalledTransforms.count());
-}
-
 void GrGLSLGeometryProcessor::setupPosition(GrGLSLVertexBuilder* vertBuilder,
                                             GrGPArgs* gpArgs,
                                             const char* posName) {
     gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2");
     vertBuilder->codeAppendf("vec2 %s = %s;", gpArgs->fPositionVar.c_str(), posName);
 }
 
 void GrGLSLGeometryProcessor::setupPosition(GrGLSLVertexBuilder* vertBuilder,
                                             GrGLSLUniformHandler* uniformHandler,
                                             GrGPArgs* gpArgs,
@@ skipping 13 matching lines @@
             gpArgs->fPositionVar.set(kVec2f_GrSLType, "pos2");
             vertBuilder->codeAppendf("vec2 %s = vec2(%s * vec3(%s, 1));",
                                      gpArgs->fPositionVar.c_str(), viewMatrixName, posName);
         } else {
             gpArgs->fPositionVar.set(kVec3f_GrSLType, "pos3");
             vertBuilder->codeAppendf("vec3 %s = %s * vec3(%s, 1);",
                                      gpArgs->fPositionVar.c_str(), viewMatrixName, posName);
         }
     }
 }