/* * 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 "GrSemaphore.h" #include "GrShaderCaps.h" #include "SkTraceMemoryDump.h" #define GPUGL static_cast(this->getGpu()) #define GL_CALL(X) GR_GL_CALL(GPUGL->glInterface(), X) static inline GrSLType sampler_type(const GrGLTexture::IDDesc& idDesc, GrPixelConfig config, const GrGLGpu* gpu) { if (idDesc.fInfo.fTarget == GR_GL_TEXTURE_EXTERNAL) { SkASSERT(gpu->caps()->shaderCaps()->externalTextureSupport()); SkASSERT(!GrPixelConfigIsSint(config)); return kTextureExternalSampler_GrSLType; } else if (idDesc.fInfo.fTarget == GR_GL_TEXTURE_RECTANGLE) { SkASSERT(gpu->glCaps().rectangleTextureSupport()); SkASSERT(!GrPixelConfigIsSint(config)); return kTexture2DRectSampler_GrSLType; } else if (GrPixelConfigIsSint(config)) { return kITexture2DSampler_GrSLType; } else { SkASSERT(idDesc.fInfo.fTarget == GR_GL_TEXTURE_2D); return kTexture2DSampler_GrSLType; } } // This method parallels GrTextureProxy::highestFilterMode static inline GrSamplerState::Filter highest_filter_mode(const GrGLTexture::IDDesc& idDesc, GrPixelConfig config) { if (GrPixelConfigIsSint(config)) { // Integer textures in GL can use GL_NEAREST_MIPMAP_NEAREST. This is a mode we don't support // and don't currently have a use for. return GrSamplerState::Filter::kNearest; } if (idDesc.fInfo.fTarget == GR_GL_TEXTURE_RECTANGLE || idDesc.fInfo.fTarget == GR_GL_TEXTURE_EXTERNAL) { return GrSamplerState::Filter::kBilerp; } return GrSamplerState::Filter::kMipMap; } // 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, desc.fConfig, gpu), highest_filter_mode(idDesc, desc.fConfig), 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, desc.fConfig, gpu), highest_filter_mode(idDesc, desc.fConfig), 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, desc.fConfig, gpu), highest_filter_mode(idDesc, desc.fConfig), 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, desc.fConfig, gpu), highest_filter_mode(idDesc, desc.fConfig), 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; } this->invokeReleaseProc(); INHERITED::onRelease(); } void GrGLTexture::onAbandon() { fInfo.fTarget = 0; fInfo.fID = 0; this->invokeReleaseProc(); INHERITED::onAbandon(); } GrBackendObject GrGLTexture::getTextureHandle() const { return reinterpret_cast(&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::MakeWrapped(GrGLGpu* gpu, const GrSurfaceDesc& desc, const IDDesc& idDesc) { return sk_sp(new GrGLTexture(gpu, kWrapped, desc, idDesc)); }