Drawstate on stack

src/gpu/GrAAConvexPathRenderer.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrAAConvexPathRenderer.h"
 
@@ skipping 591 matching lines @@
 GrGeometryProcessor* QuadEdgeEffect::TestCreate(SkRandom* random,
                                                 GrContext*,
                                                 const GrDrawTargetCaps& caps,
                                                 GrTexture*[]) {
     // Doesn't work without derivative instructions.
     return caps.shaderDerivativeSupport() ? QuadEdgeEffect::Create() : NULL;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
-bool GrAAConvexPathRenderer::canDrawPath(const SkPath& path,
+bool GrAAConvexPathRenderer::canDrawPath(const GrDrawTarget* target,
+                                         const GrDrawState*,
+                                         const SkPath& path,
                                          const SkStrokeRec& stroke,
-                                         const GrDrawTarget* target,
                                          bool antiAlias) const {
     return (target->caps()->shaderDerivativeSupport() && antiAlias &&
             stroke.isFillStyle() && !path.isInverseFillType() && path.isConvex());
 }
 
 namespace {
 
 // position + edge
 extern const GrVertexAttrib gPathAttribs[] = {
     {kVec2f_GrVertexAttribType, 0,               kPosition_GrVertexAttribBinding},
     {kVec4f_GrVertexAttribType, sizeof(SkPoint), kGeometryProcessor_GrVertexAttribBinding}
 };
 
 };
 
-bool GrAAConvexPathRenderer::onDrawPath(const SkPath& origPath,
+bool GrAAConvexPathRenderer::onDrawPath(GrDrawTarget* target,
+                                        GrDrawState* drawState,
+                                        const SkPath& origPath,
                                         const SkStrokeRec&,
-                                        GrDrawTarget* target,
                                         bool antiAlias) {
 
     const SkPath* path = &origPath;
     if (path->isEmpty()) {
         return true;
     }
 
-    SkMatrix viewMatrix = target->getDrawState().getViewMatrix();
-    GrDrawTarget::AutoStateRestore asr;
-    if (!asr.setIdentity(target, GrDrawTarget::kPreserve_ASRInit)) {
+    SkMatrix viewMatrix = drawState->getViewMatrix();
+    if (!drawState->setIdentityViewMatrix()) {
         return false;
     }
-    GrDrawState* drawState = target->drawState();
 
     // We use the fact that SkPath::transform path does subdivision based on
     // perspective. Otherwise, we apply the view matrix when copying to the
     // segment representation.
     SkPath tmpPath;
     if (viewMatrix.hasPerspective()) {
         origPath.transform(viewMatrix, &tmpPath);
         path = &tmpPath;
         viewMatrix = SkMatrix::I();
     }
@@ skipping 18 matching lines @@
     }
 
     // Our computed verts should all be within one pixel of the segment control points.
     devBounds.outset(SK_Scalar1, SK_Scalar1);
 
     drawState->setVertexAttribs<gPathAttribs>(SK_ARRAY_COUNT(gPathAttribs), sizeof(QuadVertex));
 
     GrGeometryProcessor* quadProcessor = QuadEdgeEffect::Create();
     drawState->setGeometryProcessor(quadProcessor)->unref();
 
-    GrDrawTarget::AutoReleaseGeometry arg(target, vCount, iCount);
+    GrDrawTarget::AutoReleaseGeometry arg(target, vCount, drawState->getVertexStride(), iCount);
     if (!arg.succeeded()) {
         return false;
     }
     verts = reinterpret_cast<QuadVertex*>(arg.vertices());
     idxs = reinterpret_cast<uint16_t*>(arg.indices());
 
     SkSTArray<kPreallocDrawCnt, Draw, true> draws;
     create_vertices(segments, fanPt, &draws, verts, idxs);
 
     // Check devBounds
 #ifdef SK_DEBUG
     SkRect tolDevBounds = devBounds;
     tolDevBounds.outset(SK_Scalar1 / 10000, SK_Scalar1 / 10000);
     SkRect actualBounds;
     actualBounds.set(verts[0].fPos, verts[1].fPos);
     for (int i = 2; i < vCount; ++i) {
         actualBounds.growToInclude(verts[i].fPos.fX, verts[i].fPos.fY);
     }
     SkASSERT(tolDevBounds.contains(actualBounds));
 #endif
 
     int vOffset = 0;
     for (int i = 0; i < draws.count(); ++i) {
         const Draw& draw = draws[i];
-        target->drawIndexed(kTriangles_GrPrimitiveType,
+        target->drawIndexed(drawState,
+                            kTriangles_GrPrimitiveType,
                             vOffset,  // start vertex
                             0,        // start index
                             draw.fVertexCnt,
                             draw.fIndexCnt,
                             &devBounds);
         vOffset += draw.fVertexCnt;
     }
 
     return true;
 }