initial changes to add local matrix to primitive processor

src/gpu/effects/GrBitmapTextGeoProc.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrBitmapTextGeoProc.h"
 #include "GrInvariantOutput.h"
 #include "GrTexture.h"
 #include "gl/GrGLProcessor.h"
 #include "gl/GrGLSL.h"
 #include "gl/GrGLTexture.h"
 #include "gl/GrGLGeometryProcessor.h"
 #include "gl/builders/GrGLProgramBuilder.h"
 
 struct BitmapTextBatchTracker {
     GrGPInput fInputColorType;
     GrColor fColor;
+    bool fUsesLocalCoords;
 };
 
 class GrGLBitmapTextGeoProc : public GrGLGeometryProcessor {
 public:
     GrGLBitmapTextGeoProc(const GrGeometryProcessor&, const GrBatchTracker&)
         : fColor(GrColor_ILLEGAL) {}
 
     virtual void emitCode(const EmitArgs& args) SK_OVERRIDE {
         const GrBitmapTextGeoProc& cte = args.fGP.cast<GrBitmapTextGeoProc>();
         const BitmapTextBatchTracker& local = args.fBT.cast<BitmapTextBatchTracker>();
@@ skipping 97 matching lines @@
 
 GrGLGeometryProcessor*
 GrBitmapTextGeoProc::createGLInstance(const GrBatchTracker& bt) const {
     return SkNEW_ARGS(GrGLBitmapTextGeoProc, (*this, bt));
 }
 
 void GrBitmapTextGeoProc::initBatchTracker(GrBatchTracker* bt, const InitBT& init) const {
     BitmapTextBatchTracker* local = bt->cast<BitmapTextBatchTracker>();
     local->fInputColorType = GetColorInputType(&local->fColor, this->color(), init,
                                                SkToBool(fInColor));
+    local->fUsesLocalCoords = init.fUsesLocalCoords;
 }
 
-bool GrBitmapTextGeoProc::onCanMakeEqual(const GrBatchTracker& m, const GrBatchTracker& t) const {
+bool GrBitmapTextGeoProc::onCanMakeEqual(const GrBatchTracker& m,
+                                         const GrGeometryProcessor& that,
+                                         const GrBatchTracker& t) const {
     const BitmapTextBatchTracker& mine = m.cast<BitmapTextBatchTracker>();
     const BitmapTextBatchTracker& theirs = t.cast<BitmapTextBatchTracker>();
-    return CanCombineOutput(mine.fInputColorType, mine.fColor,
+    return CanCombineLocalMatrices(*this, mine.fUsesLocalCoords,
+                                   that, theirs.fUsesLocalCoords) &&
+           CanCombineOutput(mine.fInputColorType, mine.fColor,
                             theirs.fInputColorType, theirs.fColor);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_GEOMETRY_PROCESSOR_TEST(GrBitmapTextGeoProc);
 
 GrGeometryProcessor* GrBitmapTextGeoProc::TestCreate(SkRandom* random,
                                                      GrContext*,
                                                      const GrDrawTargetCaps&,
                                                      GrTexture* textures[]) {
     int texIdx = random->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx :
                                       GrProcessorUnitTest::kAlphaTextureIdx;
     static const SkShader::TileMode kTileModes[] = {
         SkShader::kClamp_TileMode,
         SkShader::kRepeat_TileMode,
         SkShader::kMirror_TileMode,
     };
     SkShader::TileMode tileModes[] = {
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
         kTileModes[random->nextULessThan(SK_ARRAY_COUNT(kTileModes))],
     };
     GrTextureParams params(tileModes, random->nextBool() ? GrTextureParams::kBilerp_FilterMode :
                                                            GrTextureParams::kNone_FilterMode);
 
     return GrBitmapTextGeoProc::Create(GrRandomColor(random), textures[texIdx], params,
                                        random->nextBool(), random->nextBool());
 }