Remove coordchanges from drawstate

src/gpu/effects/GrDashingEffect.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 "GrDashingEffect.h"
 
 #include "../GrAARectRenderer.h"
@@ skipping 148 matching lines @@
                                   SkPoint* verts) {
     verts[idx] = SkPoint::Make(rect.fLeft, rect.fTop);
     verts[idx + 1] = SkPoint::Make(rect.fLeft, rect.fBottom);
     verts[idx + 2] = SkPoint::Make(rect.fRight, rect.fBottom);
     verts[idx + 3] = SkPoint::Make(rect.fRight, rect.fTop);
     matrix.mapPoints(&verts[idx], 4);
 }
 
 bool GrDashingEffect::DrawDashLine(GrGpu* gpu, GrDrawTarget* target, GrDrawState* drawState,
                                    GrColor color, const SkPoint pts[2], const GrPaint& paint,
-                                   const GrStrokeInfo& strokeInfo, const SkMatrix& vm) {
+                                   const GrStrokeInfo& strokeInfo) {
+    const SkMatrix& vm = drawState->getViewMatrix();
 
     if (!can_fast_path_dash(pts, strokeInfo, *target, *drawState, vm)) {
         return false;
     }
 
     const SkPathEffect::DashInfo& info = strokeInfo.getDashInfo();
 
     SkPaint::Cap cap = strokeInfo.getStrokeRec().getCap();
 
     SkScalar srcStrokeWidth = strokeInfo.getStrokeRec().getWidth();
@@ skipping 148 matching lines @@
 
         SkPoint devicePts[2];
         vm.mapPoints(devicePts, ptsRot, 2);
         SkScalar lineLength = SkPoint::Distance(devicePts[0], devicePts[1]);
         if (hasCap) {
             lineLength += 2.f * halfDevStroke;
         }
         devIntervals[0] = lineLength;
     }
 
+    // reset to device coordinates
+    SkMatrix invert;
+    if (!vm.invert(&invert)) {
+        SkDebugf("Failed to invert\n");
+        return false;
+    }
+
+    GrDrawState::AutoViewMatrixRestore avmr(drawState);
+
     SkAutoTUnref<const GrGeometryProcessor> gp;
     bool fullDash = devIntervals[1] > 0.f || useAA;
     if (fullDash) {
         SkPathEffect::DashInfo devInfo;
         devInfo.fPhase = devPhase;
         devInfo.fCount = 2;
         devInfo.fIntervals = devIntervals;
         GrPrimitiveEdgeType edgeType= useAA ? kFillAA_GrProcessorEdgeType :
             kFillBW_GrProcessorEdgeType;
         bool isRoundCap = SkPaint::kRound_Cap == cap;
         GrDashingEffect::DashCap capType = isRoundCap ? GrDashingEffect::kRound_DashCap :
                                                         GrDashingEffect::kNonRound_DashCap;
-        gp.reset(GrDashingEffect::Create(color, edgeType, devInfo, strokeWidth, capType));
+        gp.reset(GrDashingEffect::Create(color, edgeType, devInfo, strokeWidth, capType, invert));
     } else {
         // Set up the vertex data for the line and start/end dashes
-        gp.reset(GrDefaultGeoProcFactory::Create(color, GrDefaultGeoProcFactory::kPosition_GPType));
+        gp.reset(GrDefaultGeoProcFactory::Create(color, GrDefaultGeoProcFactory::kPosition_GPType,
+                                                 invert));
     }
 
     int totalRectCnt = 0;
 
     totalRectCnt += !lineDone ? 1 : 0;
     totalRectCnt += hasStartRect ? 1 : 0;
     totalRectCnt += hasEndRect ? 1 : 0;
 
     GrDrawTarget::AutoReleaseGeometry geo(target,
                                           totalRectCnt * 4,
@@ skipping 93 matching lines @@
  * transform the line to be horizontal, with the start of line at the origin then shifted to the
  * right by half the off interval. The line then goes in the positive x direction.
  */
 class DashingCircleEffect : public GrGeometryProcessor {
 public:
     typedef SkPathEffect::DashInfo DashInfo;
 
     static GrGeometryProcessor* Create(GrColor,
                                        GrPrimitiveEdgeType edgeType,
                                        const DashInfo& info,
-                                       SkScalar radius);
+                                       SkScalar radius,
+                                       const SkMatrix& localMatrix);
 
     virtual ~DashingCircleEffect();
 
     virtual const char* name() const SK_OVERRIDE { return "DashingCircleEffect"; }
 
     const GrAttribute* inPosition() const { return fInPosition; }
 
     const GrAttribute* inCoord() const { return fInCoord; }
 
     GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; }
@@ skipping 11 matching lines @@
     virtual GrGLGeometryProcessor* createGLInstance(const GrBatchTracker&) const SK_OVERRIDE;
 
     void initBatchTracker(GrBatchTracker* bt, const InitBT& init) const SK_OVERRIDE;
 
     bool onCanMakeEqual(const GrBatchTracker&,
                         const GrGeometryProcessor&,
                         const GrBatchTracker&) const SK_OVERRIDE;
 
 private:
     DashingCircleEffect(GrColor, GrPrimitiveEdgeType edgeType, const DashInfo& info,
-                        SkScalar radius);
+                        SkScalar radius, const SkMatrix& localMatrix);
 
     virtual bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE;
 
     virtual void onGetInvariantOutputCoverage(GrInitInvariantOutput*) const SK_OVERRIDE;
 
     GrPrimitiveEdgeType fEdgeType;
     const GrAttribute*  fInPosition;
     const GrAttribute*  fInCoord;
     SkScalar            fIntervalLength;
     SkScalar            fRadius;
@@ skipping 116 matching lines @@
     const DashingCircleEffect& dce = processor.cast<DashingCircleEffect>();
     b->add32(local.fUsesLocalCoords && processor.localMatrix().hasPerspective());
     b->add32(dce.getEdgeType() << 16 | local.fInputColorType);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GrGeometryProcessor* DashingCircleEffect::Create(GrColor color,
                                                  GrPrimitiveEdgeType edgeType,
                                                  const DashInfo& info,
-                                                 SkScalar radius) {
+                                                 SkScalar radius,
+                                                 const SkMatrix& localMatrix) {
     if (info.fCount != 2 || info.fIntervals[0] != 0) {
         return NULL;
     }
 
-    return SkNEW_ARGS(DashingCircleEffect, (color, edgeType, info, radius));
+    return SkNEW_ARGS(DashingCircleEffect, (color, edgeType, info, radius, localMatrix));
 }
 
 DashingCircleEffect::~DashingCircleEffect() {}
 
 void DashingCircleEffect::onGetInvariantOutputCoverage(GrInitInvariantOutput* out) const {
     out->setUnknownSingleComponent();
 }
 
 void DashingCircleEffect::getGLProcessorKey(const GrBatchTracker& bt,
                                             const GrGLCaps& caps,
                                             GrProcessorKeyBuilder* b) const {
     GLDashingCircleEffect::GenKey(*this, bt, caps, b);
 }
 
 GrGLGeometryProcessor* DashingCircleEffect::createGLInstance(const GrBatchTracker& bt) const {
     return SkNEW_ARGS(GLDashingCircleEffect, (*this, bt));
 }
 
 DashingCircleEffect::DashingCircleEffect(GrColor color,
                                          GrPrimitiveEdgeType edgeType,
                                          const DashInfo& info,
-                                         SkScalar radius)
-    : INHERITED(color), fEdgeType(edgeType) {
+                                         SkScalar radius,
+                                         const SkMatrix& localMatrix)
+    : INHERITED(color, false, localMatrix), fEdgeType(edgeType) {
     this->initClassID<DashingCircleEffect>();
     fInPosition = &this->addVertexAttrib(GrAttribute("inPosition", kVec2f_GrVertexAttribType));
     fInCoord = &this->addVertexAttrib(GrAttribute("inCoord", kVec2f_GrVertexAttribType));
     SkScalar onLen = info.fIntervals[0];
     SkScalar offLen = info.fIntervals[1];
     fIntervalLength = onLen + offLen;
     fRadius = radius;
     fCenterX = SkScalarHalf(offLen);
 }
 
@@ skipping 32 matching lines @@
             kGrProcessorEdgeTypeCnt));
     SkScalar strokeWidth = random->nextRangeScalar(0, 100.f);
     DashInfo info;
     info.fCount = 2;
     SkAutoTArray<SkScalar> intervals(info.fCount);
     info.fIntervals = intervals.get();
     info.fIntervals[0] = 0; 
     info.fIntervals[1] = random->nextRangeScalar(0, 10.f);
     info.fPhase = random->nextRangeScalar(0, info.fIntervals[1]);
 
-    return DashingCircleEffect::Create(GrRandomColor(random), edgeType, info, strokeWidth);
+    return DashingCircleEffect::Create(GrRandomColor(random), edgeType, info, strokeWidth,
+                                       GrProcessorUnitTest::TestMatrix(random));
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 class GLDashingLineEffect;
 
 struct DashingLineBatchTracker {
     GrGPInput fInputColorType;
     GrColor  fColor;
     bool fUsesLocalCoords;
 };
 
 /*
  * This effect will draw a dashed line. The width of the dash is given by the strokeWidth and the
  * length and spacing by the DashInfo. Both of the previous two parameters are in device space.
  * This effect also requires the setting of a vec2 vertex attribute for the the four corners of the
  * bounding rect. This attribute is the "dash position" of each vertex. In other words it is the
  * vertex coords (in device space) if we transform the line to be horizontal, with the start of
  * line at the origin then shifted to the right by half the off interval. The line then goes in the
  * positive x direction.
  */
 class DashingLineEffect : public GrGeometryProcessor {
 public:
     typedef SkPathEffect::DashInfo DashInfo;
 
     static GrGeometryProcessor* Create(GrColor,
                                        GrPrimitiveEdgeType edgeType,
                                        const DashInfo& info,
-                                       SkScalar strokeWidth);
+                                       SkScalar strokeWidth,
+                                       const SkMatrix& localMatrix);
 
     virtual ~DashingLineEffect();
 
     virtual const char* name() const SK_OVERRIDE { return "DashingEffect"; }
 
     const GrAttribute* inPosition() const { return fInPosition; }
 
     const GrAttribute* inCoord() const { return fInCoord; }
 
     GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; }
 
     const SkRect& getRect() const { return fRect; }
 
     SkScalar getIntervalLength() const { return fIntervalLength; }
 
     virtual void getGLProcessorKey(const GrBatchTracker& bt,
                                    const GrGLCaps& caps,
                                    GrProcessorKeyBuilder* b) const SK_OVERRIDE;
 
     virtual GrGLGeometryProcessor* createGLInstance(const GrBatchTracker& bt) const SK_OVERRIDE;
 
     void initBatchTracker(GrBatchTracker* bt, const InitBT& init) const SK_OVERRIDE;
 
     bool onCanMakeEqual(const GrBatchTracker&,
                         const GrGeometryProcessor&,
                         const GrBatchTracker&) const SK_OVERRIDE;
 
 private:
     DashingLineEffect(GrColor, GrPrimitiveEdgeType edgeType, const DashInfo& info,
-                      SkScalar strokeWidth);
+                      SkScalar strokeWidth, const SkMatrix& localMatrix);
 
     virtual bool onIsEqual(const GrGeometryProcessor& other) const SK_OVERRIDE;
 
     virtual void onGetInvariantOutputCoverage(GrInitInvariantOutput*) const SK_OVERRIDE;
 
     GrPrimitiveEdgeType fEdgeType;
     const GrAttribute*  fInPosition;
     const GrAttribute*  fInCoord;
     SkRect              fRect;
     SkScalar            fIntervalLength;
@@ skipping 129 matching lines @@
     const DashingLineEffect& de = processor.cast<DashingLineEffect>();
     b->add32(local.fUsesLocalCoords && processor.localMatrix().hasPerspective());
     b->add32(de.getEdgeType() << 16 | local.fInputColorType);
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GrGeometryProcessor* DashingLineEffect::Create(GrColor color,
                                                GrPrimitiveEdgeType edgeType,
                                                const DashInfo& info,
-                                               SkScalar strokeWidth) {
+                                               SkScalar strokeWidth,
+                                               const SkMatrix& localMatrix) {
     if (info.fCount != 2) {
         return NULL;
     }
 
-    return SkNEW_ARGS(DashingLineEffect, (color, edgeType, info, strokeWidth));
+    return SkNEW_ARGS(DashingLineEffect, (color, edgeType, info, strokeWidth, localMatrix));
 }
 
 DashingLineEffect::~DashingLineEffect() {}
 
 void DashingLineEffect::onGetInvariantOutputCoverage(GrInitInvariantOutput* out) const {
     out->setUnknownSingleComponent();
 }
 
 void DashingLineEffect::getGLProcessorKey(const GrBatchTracker& bt,
                                           const GrGLCaps& caps,
                                           GrProcessorKeyBuilder* b) const {
     GLDashingLineEffect::GenKey(*this, bt, caps, b);
 }
 
 GrGLGeometryProcessor* DashingLineEffect::createGLInstance(const GrBatchTracker& bt) const {
     return SkNEW_ARGS(GLDashingLineEffect, (*this, bt));
 }
 
 DashingLineEffect::DashingLineEffect(GrColor color,
                                      GrPrimitiveEdgeType edgeType,
                                      const DashInfo& info,
-                                     SkScalar strokeWidth)
-    : INHERITED(color), fEdgeType(edgeType) {
+                                     SkScalar strokeWidth,
+                                     const SkMatrix& localMatrix)
+    : INHERITED(color, false, localMatrix), fEdgeType(edgeType) {
     this->initClassID<DashingLineEffect>();
     fInPosition = &this->addVertexAttrib(GrAttribute("inPosition", kVec2f_GrVertexAttribType));
     fInCoord = &this->addVertexAttrib(GrAttribute("inCoord", kVec2f_GrVertexAttribType));
     SkScalar onLen = info.fIntervals[0];
     SkScalar offLen = info.fIntervals[1];
     SkScalar halfOffLen = SkScalarHalf(offLen);
     SkScalar halfStroke = SkScalarHalf(strokeWidth);
     fIntervalLength = onLen + offLen;
     fRect.set(halfOffLen, -halfStroke, halfOffLen + onLen, halfStroke);
 }
@@ skipping 32 matching lines @@
             kGrProcessorEdgeTypeCnt));
     SkScalar strokeWidth = random->nextRangeScalar(0, 100.f);
     DashInfo info;
     info.fCount = 2;
     SkAutoTArray<SkScalar> intervals(info.fCount);
     info.fIntervals = intervals.get();
     info.fIntervals[0] = random->nextRangeScalar(0, 10.f);
     info.fIntervals[1] = random->nextRangeScalar(0, 10.f);
     info.fPhase = random->nextRangeScalar(0, info.fIntervals[0] + info.fIntervals[1]);
 
-    return DashingLineEffect::Create(GrRandomColor(random), edgeType, info, strokeWidth);
+    return DashingLineEffect::Create(GrRandomColor(random), edgeType, info, strokeWidth,
+                                     GrProcessorUnitTest::TestMatrix(random));
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GrGeometryProcessor* GrDashingEffect::Create(GrColor color,
                                              GrPrimitiveEdgeType edgeType,
                                              const SkPathEffect::DashInfo& info,
                                              SkScalar strokeWidth,
-                                             GrDashingEffect::DashCap cap) {
+                                             GrDashingEffect::DashCap cap,
+                                             const SkMatrix& localMatrix) {
     switch (cap) {
         case GrDashingEffect::kRound_DashCap:
-            return DashingCircleEffect::Create(color, edgeType, info, SkScalarHalf(strokeWidth));
+            return DashingCircleEffect::Create(color, edgeType, info, SkScalarHalf(strokeWidth),
+                                               localMatrix);
         case GrDashingEffect::kNonRound_DashCap:
-            return DashingLineEffect::Create(color, edgeType, info, strokeWidth);
+            return DashingLineEffect::Create(color, edgeType, info, strokeWidth, localMatrix);
         default:
             SkFAIL("Unexpected dashed cap.");
     }
     return NULL;
 }