Remove GP from drawstate, revision of invariant output for GP

src/gpu/GrAAHairLinePathRenderer.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrAAHairLinePathRenderer.h"
 
 #include "GrContext.h"
@@ skipping 626 matching lines @@
     *vert += kLineSegNumVertices;
 }
 
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 bool GrAAHairLinePathRenderer::createLineGeom(GrDrawTarget* target,
                                               GrDrawState* drawState,
                                               uint8_t coverage,
+                                              size_t vertexStride,
                                               GrDrawTarget::AutoReleaseGeometry* arg,
                                               SkRect* devBounds,
                                               const SkPath& path,
                                               const PtArray& lines,
                                               int lineCnt) {
     const SkMatrix& viewM = drawState->getViewMatrix();
 
     int vertCnt = kLineSegNumVertices * lineCnt;
 
-    size_t vstride = drawState->getGeometryProcessor()->getVertexStride();
-    SkASSERT(vstride == sizeof(LineVertex));
-    if (!arg->set(target, vertCnt, vstride,  0)) {
+    SkASSERT(vertexStride == sizeof(LineVertex));
+    if (!arg->set(target, vertCnt, vertexStride,  0)) {
         return false;
     }
 
     LineVertex* verts = reinterpret_cast<LineVertex*>(arg->vertices());
 
     const SkMatrix* toSrc = NULL;
     SkMatrix ivm;
 
     if (viewM.hasPerspective()) {
         if (viewM.invert(&ivm)) {
@@ skipping 163 matching lines @@
     conicCnt = conics.count() / 3;
 
     // do lines first
     if (lineCnt) {
         GrDrawTarget::AutoReleaseGeometry arg;
         SkRect devBounds;
 
         uint32_t gpFlags = GrDefaultGeoProcFactory::kPosition_GPType |
                            GrDefaultGeoProcFactory::kCoverage_GPType;
         GrDrawState::AutoRestoreEffects are(drawState);
-        drawState->setGeometryProcessor(GrDefaultGeoProcFactory::Create(color,
-                                                                        gpFlags,
-                                                                        newCoverage))->unref();
+        SkAutoTUnref<const GrGeometryProcessor> gp(GrDefaultGeoProcFactory::Create(color,
+                                                                                   gpFlags,
+                                                                                   newCoverage));
 
         if (!this->createLineGeom(target,
                                   drawState,
                                   newCoverage,
+                                  gp->getVertexStride(),
                                   &arg,
                                   &devBounds,
                                   path,
                                   lines,
                                   lineCnt)) {
             return false;
         }
 
         // createLineGeom transforms the geometry to device space when the matrix does not have
         // perspective.
         GrDrawState::AutoViewMatrixRestore avmr;
         if (!drawState->getViewMatrix().hasPerspective() && !avmr.setIdentity(drawState)) {
             return false;
         }
 
         // Check devBounds
         SkASSERT(check_bounds<LineVertex>(drawState, devBounds, arg.vertices(),
                                           kLineSegNumVertices * lineCnt));
 
         {
             target->setIndexSourceToBuffer(fLinesIndexBuffer);
             int lines = 0;
             while (lines < lineCnt) {
                 int n = SkTMin(lineCnt - lines, kLineSegsNumInIdxBuffer);
                 target->drawIndexed(drawState,
+                                    gp,
                                     kTriangles_GrPrimitiveType,
                                     kLineSegNumVertices*lines,     // startV
                                     0,                             // startI
                                     kLineSegNumVertices*n,         // vCount
                                     kIdxsPerLineSeg*n,             // iCount
                                     &devBounds);
                 lines += n;
             }
         }
     }
@@ skipping 24 matching lines @@
         if (!drawState->getViewMatrix().hasPerspective() && !avmr.setIdentity(drawState)) {
             return false;
         }
 
 
         // Check devBounds
         SkASSERT(check_bounds<BezierVertex>(drawState, devBounds, arg.vertices(),
                                             kQuadNumVertices * quadCnt + kQuadNumVertices * conicCnt));
 
         if (quadCnt > 0) {
-            GrGeometryProcessor* hairQuadProcessor =
+            SkAutoTUnref<GrGeometryProcessor> hairQuadProcessor(
                     GrQuadEffect::Create(color,
                                          kHairlineAA_GrProcessorEdgeType,
                                          *target->caps(),
-                                         newCoverage);
+                                         newCoverage));
             SkASSERT(hairQuadProcessor);
             GrDrawState::AutoRestoreEffects are(drawState);
             target->setIndexSourceToBuffer(fQuadsIndexBuffer);
 
-            drawState->setGeometryProcessor(hairQuadProcessor)->unref();
             int quads = 0;
             while (quads < quadCnt) {
                 int n = SkTMin(quadCnt - quads, kQuadsNumInIdxBuffer);
                 target->drawIndexed(drawState,
+                                    hairQuadProcessor,
                                     kTriangles_GrPrimitiveType,
                                     kQuadNumVertices*quads,               // startV
                                     0,                                    // startI
                                     kQuadNumVertices*n,                   // vCount
                                     kIdxsPerQuad*n,                       // iCount
                                     &devBounds);
                 quads += n;
             }
         }
 
         if (conicCnt > 0) {
             GrDrawState::AutoRestoreEffects are(drawState);
-            GrGeometryProcessor* hairConicProcessor = GrConicEffect::Create(
-                    color, kHairlineAA_GrProcessorEdgeType, *target->caps(), newCoverage);
+            SkAutoTUnref<GrGeometryProcessor> hairConicProcessor(
+                    GrConicEffect::Create(color, kHairlineAA_GrProcessorEdgeType, *target->caps(),
+                                          newCoverage));
             SkASSERT(hairConicProcessor);
 
-            drawState->setGeometryProcessor(hairConicProcessor)->unref();
             int conics = 0;
             while (conics < conicCnt) {
                 int n = SkTMin(conicCnt - conics, kQuadsNumInIdxBuffer);
                 target->drawIndexed(drawState,
+                                    hairConicProcessor,
                                     kTriangles_GrPrimitiveType,
                                     kQuadNumVertices*(quadCnt + conics),  // startV
                                     0,                                    // startI
                                     kQuadNumVertices*n,                   // vCount
                                     kIdxsPerQuad*n,                       // iCount
                                     &devBounds);
                 conics += n;
             }
         }
     }
 
     target->resetIndexSource();
 
     return true;
 }