1
2 /*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10 #include "GrPathRendererChain.h"
11
12 #include "GrContext.h"
13 #include "GrDefaultPathRenderer.h"
14 #include "GrGpu.h"
15
GrPathRendererChain(GrContext * context,UsageFlags flags)16 GrPathRendererChain::GrPathRendererChain(GrContext* context, UsageFlags flags)
17 : fInit(false)
18 , fOwner(context)
19 , fFlags(flags) {
20 }
21
~GrPathRendererChain()22 GrPathRendererChain::~GrPathRendererChain() {
23 for (int i = 0; i < fChain.count(); ++i) {
24 fChain[i]->unref();
25 }
26 }
27
addPathRenderer(GrPathRenderer * pr)28 GrPathRenderer* GrPathRendererChain::addPathRenderer(GrPathRenderer* pr) {
29 fChain.push_back() = pr;
30 pr->ref();
31 return pr;
32 }
33
getPathRenderer(const SkPath & path,GrPathFill fill,const GrDrawTarget * target,bool antiAlias)34 GrPathRenderer* GrPathRendererChain::getPathRenderer(const SkPath& path,
35 GrPathFill fill,
36 const GrDrawTarget* target,
37 bool antiAlias) {
38 if (!fInit) {
39 this->init();
40 }
41 for (int i = 0; i < fChain.count(); ++i) {
42 if (fChain[i]->canDrawPath(path, fill, target, antiAlias)) {
43 return fChain[i];
44 }
45 }
46 return NULL;
47 }
48
init()49 void GrPathRendererChain::init() {
50 GrAssert(!fInit);
51 GrGpu* gpu = fOwner->getGpu();
52 bool twoSided = gpu->getCaps().fTwoSidedStencilSupport;
53 bool wrapOp = gpu->getCaps().fStencilWrapOpsSupport;
54 GrPathRenderer::AddPathRenderers(fOwner, fFlags, this);
55 this->addPathRenderer(new GrDefaultPathRenderer(twoSided, wrapOp))->unref();
56 fInit = true;
57 }
58