Make onPrepareDraws const

src/gpu/batches/GrAALinearizingConvexPathRenderer.cpp

 
 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrAALinearizingConvexPathRenderer.h"
 
@@ skipping 144 matching lines @@
         // setup batch properties
         fBatch.fColorIgnored = !overrides.readsColor();
         fBatch.fColor = fGeoData[0].fColor;
         fBatch.fUsesLocalCoords = overrides.readsLocalCoords();
         fBatch.fCoverageIgnored = !overrides.readsCoverage();
         fBatch.fLinesOnly = SkPath::kLine_SegmentMask == fGeoData[0].fPath.getSegmentMasks();
         fBatch.fCanTweakAlphaForCoverage = overrides.canTweakAlphaForCoverage();
     }
 
     void draw(GrVertexBatch::Target* target, const GrPipeline* pipeline, int vertexCount,
-            size_t vertexStride, void* vertices, int indexCount, uint16_t* indices) {
+              size_t vertexStride, void* vertices, int indexCount, uint16_t* indices) const {
         if (vertexCount == 0 || indexCount == 0) {
             return;
         }
         const GrVertexBuffer* vertexBuffer;
         GrVertices info;
         int firstVertex;
         void* verts = target->makeVertexSpace(vertexStride, vertexCount, &vertexBuffer,
                                               &firstVertex);
         if (!verts) {
             SkDebugf("Could not allocate vertices\n");
             return;
         }
         memcpy(verts, vertices, vertexCount * vertexStride);
 
         const GrIndexBuffer* indexBuffer;
         int firstIndex;
         uint16_t* idxs = target->makeIndexSpace(indexCount, &indexBuffer, &firstIndex);
         if (!idxs) {
             SkDebugf("Could not allocate indices\n");
             return;
         }
         memcpy(idxs, indices, indexCount * sizeof(uint16_t));
         info.initIndexed(kTriangles_GrPrimitiveType, vertexBuffer, indexBuffer, firstVertex,
                 firstIndex, vertexCount, indexCount);
         target->draw(info);
     }
 
-    void onPrepareDraws(Target* target) override {
+    void onPrepareDraws(Target* target) const override {
         bool canTweakAlphaForCoverage = this->canTweakAlphaForCoverage();
 
         // Setup GrGeometryProcessor
         SkAutoTUnref<const GrGeometryProcessor> gp(create_fill_gp(canTweakAlphaForCoverage,
                                                                   this->viewMatrix(),
                                                                   this->usesLocalCoords(),
                                                                   this->coverageIgnored()));
         if (!gp) {
             SkDebugf("Couldn't create a GrGeometryProcessor\n");
             return;
         }
 
         target->initDraw(gp, this->pipeline());
 
         size_t vertexStride = gp->getVertexStride();
 
         SkASSERT(canTweakAlphaForCoverage ?
                  vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAttr) :
                  vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorCoverageAttr));
 
         int instanceCount = fGeoData.count();
 
         int vertexCount = 0;
         int indexCount = 0;
         int maxVertices = DEFAULT_BUFFER_SIZE;
         int maxIndices = DEFAULT_BUFFER_SIZE;
         uint8_t* vertices = (uint8_t*) sk_malloc_throw(maxVertices * vertexStride);
         uint16_t* indices = (uint16_t*) sk_malloc_throw(maxIndices * sizeof(uint16_t));
         for (int i = 0; i < instanceCount; i++) {
-            Geometry& args = fGeoData[i];
+            const Geometry& args = fGeoData[i];
             GrAAConvexTessellator tess(args.fStrokeWidth, args.fJoin, args.fMiterLimit);
 
             if (!tess.tessellate(args.fViewMatrix, args.fPath)) {
                 continue;
             }
 
             int currentIndices = tess.numIndices();
             SkASSERT(currentIndices <= UINT16_MAX);
             if (indexCount + currentIndices > UINT16_MAX) {
                 // if we added the current instance, we would overflow the indices we can store in a
                 // uint16_t. Draw what we've got so far and reset.
-                draw(target, this->pipeline(), vertexCount, vertexStride, vertices, indexCount,
-                     indices);
+                this->draw(target, this->pipeline(), vertexCount, vertexStride, vertices,
+                           indexCount, indices);
                 vertexCount = 0;
                 indexCount = 0;
             }
             int currentVertices = tess.numPts();
             if (vertexCount + currentVertices > maxVertices) {
                 maxVertices = SkTMax(vertexCount + currentVertices, maxVertices * 2);
                 vertices = (uint8_t*) sk_realloc_throw(vertices, maxVertices * vertexStride);
             }
             if (indexCount + currentIndices > maxIndices) {
                 maxIndices = SkTMax(indexCount + currentIndices, maxIndices * 2);
                 indices = (uint16_t*) sk_realloc_throw(indices, maxIndices * sizeof(uint16_t));
             }
 
             extract_verts(tess, vertices + vertexStride * vertexCount, vertexStride, args.fColor,
                     vertexCount, indices + indexCount, canTweakAlphaForCoverage);
             vertexCount += currentVertices;
             indexCount += currentIndices;
         }
-        draw(target, this->pipeline(), vertexCount, vertexStride, vertices, indexCount,
-             indices);
+        this->draw(target, this->pipeline(), vertexCount, vertexStride, vertices, indexCount,
+                   indices);
         sk_free(vertices);
         sk_free(indices);
     }
 
     SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
 
     AAFlatteningConvexPathBatch(const Geometry& geometry) : INHERITED(ClassID()) {
         fGeoData.push_back(geometry);
 
         // compute bounds
@@ skipping 81 matching lines @@
 DRAW_BATCH_TEST_DEFINE(AAFlatteningConvexPathBatch) {
     AAFlatteningConvexPathBatch::Geometry geometry;
     geometry.fColor = GrRandomColor(random);
     geometry.fViewMatrix = GrTest::TestMatrixInvertible(random);
     geometry.fPath = GrTest::TestPathConvex(random);
 
     return AAFlatteningConvexPathBatch::Create(geometry);
 }
 
 #endif