Add a GrPathRange class

src/gpu/GrDrawTarget.cpp

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
@@ skipping 530 matching lines @@
     viewM.mapRect(&devBounds);
 
     GrDeviceCoordTexture dstCopy;
     if (!this->setupDstReadIfNecessary(&dstCopy, &devBounds)) {
         return;
     }
 
     this->onDrawPath(path, fill, dstCopy.texture() ? &dstCopy : NULL);
 }
 
-void GrDrawTarget::drawPaths(int pathCount, const GrPath** paths,
-                             const SkMatrix* transforms,
-                             SkPath::FillType fill, SkStrokeRec::Style stroke) {
-    SkASSERT(pathCount > 0);
-    SkASSERT(NULL != paths);
-    SkASSERT(NULL != paths[0]);
+void GrDrawTarget::drawPaths(const GrPathRange* pathRange,
+                             const uint32_t indices[], int count,
+                             const float transforms[], PathTransformType transformsType,
+                             SkPath::FillType fill) {
     SkASSERT(this->caps()->pathRenderingSupport());
-    SkASSERT(!SkPath::IsInverseFillType(fill));
+    SkASSERT(NULL != pathRange);
+    SkASSERT(NULL != indices);
+    SkASSERT(NULL != transforms);
 
-    const GrDrawState* drawState = &getDrawState();
-
-    SkRect devBounds;
-    transforms[0].mapRect(&devBounds, paths[0]->getBounds());
-    for (int i = 1; i < pathCount; ++i) {
-        SkRect mappedPathBounds;
-        transforms[i].mapRect(&mappedPathBounds, paths[i]->getBounds());
-        devBounds.join(mappedPathBounds);
-    }
-
-    SkMatrix viewM = drawState->getViewMatrix();
-    viewM.mapRect(&devBounds);
-
+    // Don't compute a bounding box for setupDstReadIfNecessary(), we'll opt
+    // instead for it to just copy the entire dst. Realistically this is a moot
+    // point, because any context that supports NV_path_rendering will also
+    // support NV_blend_equation_advanced.
     GrDeviceCoordTexture dstCopy;
-    if (!this->setupDstReadIfNecessary(&dstCopy, &devBounds)) {
+    if (!this->setupDstReadIfNecessary(&dstCopy, NULL)) {
         return;
     }
 
-    this->onDrawPaths(pathCount, paths, transforms, fill, stroke,
+    this->onDrawPaths(pathRange, indices, count, transforms, transformsType, fill,
                       dstCopy.texture() ? &dstCopy : NULL);
 }
 
 typedef GrTraceMarkerSet::Iter TMIter;
 void GrDrawTarget::saveActiveTraceMarkers() {
     if (this->caps()->gpuTracingSupport()) {
         SkASSERT(0 == fStoredTraceMarkers.count());
         fStoredTraceMarkers.addSet(fActiveTraceMarkers);
         for (TMIter iter = fStoredTraceMarkers.begin(); iter != fStoredTraceMarkers.end(); ++iter) {
             this->removeGpuTraceMarker(&(*iter));
@@ skipping 576 matching lines @@
     SkASSERT(!fConfigTextureSupport[kUnknown_GrPixelConfig]);
 
     for (size_t i = 1; i < SK_ARRAY_COUNT(kConfigNames); ++i)  {
         r.appendf("%s is uploadable to a texture: %s\n",
                   kConfigNames[i],
                   gNY[fConfigTextureSupport[i]]);
     }
 
     return r;
 }