1
2 /*
3 * Copyright 2014 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 #include "GrGLPathRange.h"
10 #include "GrGLPath.h"
11 #include "GrGLPathRendering.h"
12 #include "GrGpuGL.h"
13
GrGLPathRange(GrGpuGL * gpu,PathGenerator * pathGenerator,const SkStrokeRec & stroke)14 GrGLPathRange::GrGLPathRange(GrGpuGL* gpu, PathGenerator* pathGenerator, const SkStrokeRec& stroke)
15 : INHERITED(gpu, pathGenerator, stroke),
16 fBasePathID(gpu->glPathRendering()->genPaths(this->getNumPaths())),
17 fGpuMemorySize(0) {
18 this->registerWithCache();
19 }
20
GrGLPathRange(GrGpuGL * gpu,GrGLuint basePathID,int numPaths,size_t gpuMemorySize,const SkStrokeRec & stroke)21 GrGLPathRange::GrGLPathRange(GrGpuGL* gpu,
22 GrGLuint basePathID,
23 int numPaths,
24 size_t gpuMemorySize,
25 const SkStrokeRec& stroke)
26 : INHERITED(gpu, numPaths, stroke),
27 fBasePathID(basePathID),
28 fGpuMemorySize(gpuMemorySize) {
29 this->registerWithCache();
30 }
31
~GrGLPathRange()32 GrGLPathRange::~GrGLPathRange() {
33 this->release();
34 }
35
onInitPath(int index,const SkPath & skPath) const36 void GrGLPathRange::onInitPath(int index, const SkPath& skPath) const {
37 GrGpuGL* gpu = static_cast<GrGpuGL*>(this->getGpu());
38 if (NULL == gpu) {
39 return;
40 }
41
42 // Make sure the path at this index hasn't been initted already.
43 SkDEBUGCODE(
44 GrGLboolean isPath;
45 GR_GL_CALL_RET(gpu->glInterface(), isPath, IsPath(fBasePathID + index)));
46 SkASSERT(GR_GL_FALSE == isPath);
47
48 GrGLPath::InitPathObject(gpu, fBasePathID + index, skPath, this->getStroke());
49
50 // TODO: Use a better approximation for the individual path sizes.
51 fGpuMemorySize += 100;
52 }
53
onRelease()54 void GrGLPathRange::onRelease() {
55 SkASSERT(this->getGpu());
56
57 if (0 != fBasePathID && !this->isWrapped()) {
58 static_cast<GrGpuGL*>(this->getGpu())->glPathRendering()->deletePaths(fBasePathID,
59 this->getNumPaths());
60 fBasePathID = 0;
61 }
62
63 INHERITED::onRelease();
64 }
65
onAbandon()66 void GrGLPathRange::onAbandon() {
67 fBasePathID = 0;
68
69 INHERITED::onAbandon();
70 }
71