1 /*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "GrGLTexture.h"
9 #include "GrGLGpu.h"
10 #include "SkTraceMemoryDump.h"
11
12 #define GPUGL static_cast<GrGLGpu*>(this->getGpu())
13 #define GL_CALL(X) GR_GL_CALL(GPUGL->glInterface(), X)
14
sampler_type(const GrGLTexture::IDDesc & idDesc,const GrGLGpu * gpu)15 inline static GrSLType sampler_type(const GrGLTexture::IDDesc& idDesc, const GrGLGpu* gpu) {
16 if (idDesc.fInfo.fTarget == GR_GL_TEXTURE_EXTERNAL) {
17 SkASSERT(gpu->glCaps().glslCaps()->externalTextureSupport());
18 return kTextureExternalSampler_GrSLType;
19 } else if (idDesc.fInfo.fTarget == GR_GL_TEXTURE_RECTANGLE) {
20 SkASSERT(gpu->glCaps().rectangleTextureSupport());
21 return kTexture2DRectSampler_GrSLType;
22 } else {
23 SkASSERT(idDesc.fInfo.fTarget == GR_GL_TEXTURE_2D);
24 return kTexture2DSampler_GrSLType;
25 }
26 }
27
28 // Because this class is virtually derived from GrSurface we must explicitly call its constructor.
GrGLTexture(GrGLGpu * gpu,SkBudgeted budgeted,const GrSurfaceDesc & desc,const IDDesc & idDesc)29 GrGLTexture::GrGLTexture(GrGLGpu* gpu, SkBudgeted budgeted, const GrSurfaceDesc& desc,
30 const IDDesc& idDesc)
31 : GrSurface(gpu, desc)
32 , INHERITED(gpu, desc, sampler_type(idDesc, gpu), false) {
33 this->init(desc, idDesc);
34 this->registerWithCache(budgeted);
35 }
36
GrGLTexture(GrGLGpu * gpu,SkBudgeted budgeted,const GrSurfaceDesc & desc,const IDDesc & idDesc,bool wasMipMapDataProvided)37 GrGLTexture::GrGLTexture(GrGLGpu* gpu, SkBudgeted budgeted, const GrSurfaceDesc& desc,
38 const IDDesc& idDesc,
39 bool wasMipMapDataProvided)
40 : GrSurface(gpu, desc)
41 , INHERITED(gpu, desc, sampler_type(idDesc, gpu), wasMipMapDataProvided) {
42 this->init(desc, idDesc);
43 this->registerWithCache(budgeted);
44 }
45
GrGLTexture(GrGLGpu * gpu,Wrapped,const GrSurfaceDesc & desc,const IDDesc & idDesc)46 GrGLTexture::GrGLTexture(GrGLGpu* gpu, Wrapped, const GrSurfaceDesc& desc, const IDDesc& idDesc)
47 : GrSurface(gpu, desc)
48 , INHERITED(gpu, desc, sampler_type(idDesc, gpu), false) {
49 this->init(desc, idDesc);
50 this->registerWithCacheWrapped();
51 }
52
GrGLTexture(GrGLGpu * gpu,const GrSurfaceDesc & desc,const IDDesc & idDesc)53 GrGLTexture::GrGLTexture(GrGLGpu* gpu, const GrSurfaceDesc& desc, const IDDesc& idDesc)
54 : GrSurface(gpu, desc)
55 , INHERITED(gpu, desc, sampler_type(idDesc, gpu), false) {
56 this->init(desc, idDesc);
57 }
58
init(const GrSurfaceDesc & desc,const IDDesc & idDesc)59 void GrGLTexture::init(const GrSurfaceDesc& desc, const IDDesc& idDesc) {
60 SkASSERT(0 != idDesc.fInfo.fID);
61 fTexParams.invalidate();
62 fTexParamsTimestamp = GrGpu::kExpiredTimestamp;
63 fInfo = idDesc.fInfo;
64 fTextureIDOwnership = idDesc.fOwnership;
65 }
66
onRelease()67 void GrGLTexture::onRelease() {
68 if (fInfo.fID) {
69 if (GrBackendObjectOwnership::kBorrowed != fTextureIDOwnership) {
70 GL_CALL(DeleteTextures(1, &fInfo.fID));
71 }
72 fInfo.fID = 0;
73 }
74 INHERITED::onRelease();
75 }
76
onAbandon()77 void GrGLTexture::onAbandon() {
78 fInfo.fTarget = 0;
79 fInfo.fID = 0;
80 INHERITED::onAbandon();
81 }
82
getTextureHandle() const83 GrBackendObject GrGLTexture::getTextureHandle() const {
84 #ifdef SK_IGNORE_GL_TEXTURE_TARGET
85 return static_cast<GrBackendObject>(this->textureID());
86 #else
87 return reinterpret_cast<GrBackendObject>(&fInfo);
88 #endif
89 }
90
setMemoryBacking(SkTraceMemoryDump * traceMemoryDump,const SkString & dumpName) const91 void GrGLTexture::setMemoryBacking(SkTraceMemoryDump* traceMemoryDump,
92 const SkString& dumpName) const {
93 SkString texture_id;
94 texture_id.appendU32(this->textureID());
95 traceMemoryDump->setMemoryBacking(dumpName.c_str(), "gl_texture",
96 texture_id.c_str());
97 }
98
CreateWrapped(GrGLGpu * gpu,const GrSurfaceDesc & desc,const IDDesc & idDesc)99 GrGLTexture* GrGLTexture::CreateWrapped(GrGLGpu* gpu, const GrSurfaceDesc& desc,
100 const IDDesc& idDesc) {
101 return new GrGLTexture(gpu, kWrapped, desc, idDesc);
102 }
103
104