| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrGLTexture.h" |
| #include "GrGLGpu.h" |
| #include "SkTraceMemoryDump.h" |
| |
| #define GPUGL static_cast<GrGLGpu*>(this->getGpu()) |
| #define GL_CALL(X) GR_GL_CALL(GPUGL->glInterface(), X) |
| |
| static inline GrSLType sampler_type(const GrGLTexture::IDDesc& idDesc, const GrGLGpu* gpu) { |
| if (idDesc.fInfo.fTarget == GR_GL_TEXTURE_EXTERNAL) { |
| SkASSERT(gpu->glCaps().glslCaps()->externalTextureSupport()); |
| return kTextureExternalSampler_GrSLType; |
| } else if (idDesc.fInfo.fTarget == GR_GL_TEXTURE_RECTANGLE) { |
| SkASSERT(gpu->glCaps().rectangleTextureSupport()); |
| return kTexture2DRectSampler_GrSLType; |
| } else { |
| SkASSERT(idDesc.fInfo.fTarget == GR_GL_TEXTURE_2D); |
| return kTexture2DSampler_GrSLType; |
| } |
| } |
| |
| static inline GrTextureParams::FilterMode highest_filter_mode(const GrGLTexture::IDDesc& idDesc) { |
| if (idDesc.fInfo.fTarget == GR_GL_TEXTURE_RECTANGLE || |
| idDesc.fInfo.fTarget == GR_GL_TEXTURE_EXTERNAL) { |
| return GrTextureParams::kBilerp_FilterMode; |
| } |
| return GrTextureParams::kMipMap_FilterMode; |
| } |
| |
| // Because this class is virtually derived from GrSurface we must explicitly call its constructor. |
| GrGLTexture::GrGLTexture(GrGLGpu* gpu, SkBudgeted budgeted, const GrSurfaceDesc& desc, |
| const IDDesc& idDesc) |
| : GrSurface(gpu, desc) |
| , INHERITED(gpu, desc, sampler_type(idDesc, gpu), highest_filter_mode(idDesc), false) { |
| this->init(desc, idDesc); |
| this->registerWithCache(budgeted); |
| } |
| |
| GrGLTexture::GrGLTexture(GrGLGpu* gpu, SkBudgeted budgeted, const GrSurfaceDesc& desc, |
| const IDDesc& idDesc, |
| bool wasMipMapDataProvided) |
| : GrSurface(gpu, desc) |
| , INHERITED(gpu, desc, sampler_type(idDesc, gpu), highest_filter_mode(idDesc), |
| wasMipMapDataProvided) { |
| this->init(desc, idDesc); |
| this->registerWithCache(budgeted); |
| } |
| |
| GrGLTexture::GrGLTexture(GrGLGpu* gpu, Wrapped, const GrSurfaceDesc& desc, const IDDesc& idDesc) |
| : GrSurface(gpu, desc) |
| , INHERITED(gpu, desc, sampler_type(idDesc, gpu), highest_filter_mode(idDesc), false) { |
| this->init(desc, idDesc); |
| this->registerWithCacheWrapped(); |
| } |
| |
| GrGLTexture::GrGLTexture(GrGLGpu* gpu, const GrSurfaceDesc& desc, const IDDesc& idDesc, |
| bool wasMipMapDataProvided) |
| : GrSurface(gpu, desc) |
| , INHERITED(gpu, desc, sampler_type(idDesc, gpu), highest_filter_mode(idDesc), |
| wasMipMapDataProvided) { |
| this->init(desc, idDesc); |
| } |
| |
| void GrGLTexture::init(const GrSurfaceDesc& desc, const IDDesc& idDesc) { |
| SkASSERT(0 != idDesc.fInfo.fID); |
| fTexParams.invalidate(); |
| fTexParamsTimestamp = GrGpu::kExpiredTimestamp; |
| fInfo = idDesc.fInfo; |
| fTextureIDOwnership = idDesc.fOwnership; |
| } |
| |
| void GrGLTexture::onRelease() { |
| if (fInfo.fID) { |
| if (GrBackendObjectOwnership::kBorrowed != fTextureIDOwnership) { |
| GL_CALL(DeleteTextures(1, &fInfo.fID)); |
| } |
| fInfo.fID = 0; |
| } |
| INHERITED::onRelease(); |
| } |
| |
| void GrGLTexture::onAbandon() { |
| fInfo.fTarget = 0; |
| fInfo.fID = 0; |
| INHERITED::onAbandon(); |
| } |
| |
| GrBackendObject GrGLTexture::getTextureHandle() const { |
| return reinterpret_cast<GrBackendObject>(&fInfo); |
| } |
| |
| void GrGLTexture::setMemoryBacking(SkTraceMemoryDump* traceMemoryDump, |
| const SkString& dumpName) const { |
| SkString texture_id; |
| texture_id.appendU32(this->textureID()); |
| traceMemoryDump->setMemoryBacking(dumpName.c_str(), "gl_texture", |
| texture_id.c_str()); |
| } |
| |
| sk_sp<GrGLTexture> GrGLTexture::MakeWrapped(GrGLGpu* gpu, const GrSurfaceDesc& desc, |
| const IDDesc& idDesc) { |
| return sk_sp<GrGLTexture>(new GrGLTexture(gpu, kWrapped, desc, idDesc)); |
| } |
| |