/* This file is part of Magnum. Copyright © 2010, 2011, 2012, 2013, 2014, 2015 Vladimír Vondruš Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "TextureState.h" #include #include "Magnum/AbstractTexture.h" #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) #include "Magnum/BufferTexture.h" #endif #include "Magnum/Context.h" #include "Magnum/Extensions.h" #include "State.h" namespace Magnum { namespace Implementation { TextureState::TextureState(Context& context, std::vector& extensions): maxSize{}, #if !(defined(MAGNUM_TARGET_WEBGL) && defined(MAGNUM_TARGET_GLES2)) max3DSize{}, #endif maxCubeMapSize{}, #ifndef MAGNUM_TARGET_GLES2 maxArrayLayers{}, #endif #ifndef MAGNUM_TARGET_GLES maxRectangleSize{}, maxBufferSize{}, #endif maxTextureUnits(0), #ifndef MAGNUM_TARGET_GLES2 maxLodBias{0.0f}, #endif maxMaxAnisotropy(0.0f), currentTextureUnit(0) #ifndef MAGNUM_TARGET_GLES2 , maxColorSamples(0), maxDepthSamples(0), maxIntegerSamples(0) #endif #ifndef MAGNUM_TARGET_GLES , bufferOffsetAlignment(0) #endif { /* Create implementation */ #ifndef MAGNUM_TARGET_GLES if(context.isExtensionSupported()) { extensions.push_back(Extensions::GL::ARB::direct_state_access::string()); createImplementation = &AbstractTexture::createImplementationDSA; } else #endif { createImplementation = &AbstractTexture::createImplementationDefault; } /* Single bind implementation */ #ifndef MAGNUM_TARGET_GLES if(context.isExtensionSupported()) { /* Extension name added below */ unbindImplementation = &AbstractTexture::unbindImplementationDSA; bindImplementation = &AbstractTexture::bindImplementationDSA; } else if(context.isExtensionSupported()) { /* Extension name added below */ unbindImplementation = &AbstractTexture::unbindImplementationMulti; bindImplementation = &AbstractTexture::bindImplementationMulti; } else if(context.isExtensionSupported()) { /* Extension name added below */ unbindImplementation = &AbstractTexture::unbindImplementationDSAEXT; bindImplementation = &AbstractTexture::bindImplementationDSAEXT; } else #endif { unbindImplementation = &AbstractTexture::unbindImplementationDefault; bindImplementation = &AbstractTexture::bindImplementationDefault; } /* Multi bind implementation */ #ifndef MAGNUM_TARGET_GLES if(context.isExtensionSupported()) { extensions.push_back(Extensions::GL::ARB::multi_bind::string()); bindMultiImplementation = &AbstractTexture::bindImplementationMulti; } else #endif { bindMultiImplementation = &AbstractTexture::bindImplementationFallback; } /* DSA/non-DSA implementation */ #ifndef MAGNUM_TARGET_GLES if(context.isExtensionSupported()) { extensions.push_back(Extensions::GL::ARB::direct_state_access::string()); parameteriImplementation = &AbstractTexture::parameterImplementationDSA; parameterfImplementation = &AbstractTexture::parameterImplementationDSA; parameterivImplementation = &AbstractTexture::parameterImplementationDSA; parameterfvImplementation = &AbstractTexture::parameterImplementationDSA; parameterIuivImplementation = &AbstractTexture::parameterIImplementationDSA; parameterIivImplementation = &AbstractTexture::parameterIImplementationDSA; getLevelParameterivImplementation = &AbstractTexture::getLevelParameterImplementationDSA; mipmapImplementation = &AbstractTexture::mipmapImplementationDSA; subImage1DImplementation = &AbstractTexture::subImageImplementationDSA; subImage2DImplementation = &AbstractTexture::subImageImplementationDSA; subImage3DImplementation = &AbstractTexture::subImageImplementationDSA; compressedSubImage1DImplementation = &AbstractTexture::compressedSubImageImplementationDSA; compressedSubImage2DImplementation = &AbstractTexture::compressedSubImageImplementationDSA; compressedSubImage3DImplementation = &AbstractTexture::compressedSubImageImplementationDSA; setBufferImplementation = &BufferTexture::setBufferImplementationDSA; setBufferRangeImplementation = &BufferTexture::setBufferRangeImplementationDSA; getCubeLevelParameterivImplementation = &CubeMapTexture::getLevelParameterImplementationDSA; cubeSubImageImplementation = &CubeMapTexture::subImageImplementationDSA; cubeCompressedSubImageImplementation = &CubeMapTexture::compressedSubImageImplementationDSA; } else if(context.isExtensionSupported()) { extensions.push_back(Extensions::GL::EXT::direct_state_access::string()); parameteriImplementation = &AbstractTexture::parameterImplementationDSAEXT; parameterfImplementation = &AbstractTexture::parameterImplementationDSAEXT; parameterivImplementation = &AbstractTexture::parameterImplementationDSAEXT; parameterfvImplementation = &AbstractTexture::parameterImplementationDSAEXT; parameterIuivImplementation = &AbstractTexture::parameterIImplementationDSAEXT; parameterIivImplementation = &AbstractTexture::parameterIImplementationDSAEXT; getLevelParameterivImplementation = &AbstractTexture::getLevelParameterImplementationDSAEXT; mipmapImplementation = &AbstractTexture::mipmapImplementationDSAEXT; subImage1DImplementation = &AbstractTexture::subImageImplementationDSAEXT; subImage2DImplementation = &AbstractTexture::subImageImplementationDSAEXT; subImage3DImplementation = &AbstractTexture::subImageImplementationDSAEXT; compressedSubImage1DImplementation = &AbstractTexture::compressedSubImageImplementationDSAEXT; compressedSubImage2DImplementation = &AbstractTexture::compressedSubImageImplementationDSAEXT; compressedSubImage3DImplementation = &AbstractTexture::compressedSubImageImplementationDSAEXT; setBufferImplementation = &BufferTexture::setBufferImplementationDSAEXT; setBufferRangeImplementation = &BufferTexture::setBufferRangeImplementationDSAEXT; getCubeLevelParameterivImplementation = &CubeMapTexture::getLevelParameterImplementationDSAEXT; cubeSubImageImplementation = &CubeMapTexture::subImageImplementationDSAEXT; cubeCompressedSubImageImplementation = &CubeMapTexture::compressedSubImageImplementationDSAEXT; } else #endif { parameteriImplementation = &AbstractTexture::parameterImplementationDefault; parameterfImplementation = &AbstractTexture::parameterImplementationDefault; #ifndef MAGNUM_TARGET_GLES2 parameterivImplementation = &AbstractTexture::parameterImplementationDefault; #endif parameterfvImplementation = &AbstractTexture::parameterImplementationDefault; #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) parameterIuivImplementation = &AbstractTexture::parameterIImplementationDefault; parameterIivImplementation = &AbstractTexture::parameterIImplementationDefault; #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) getLevelParameterivImplementation = &AbstractTexture::getLevelParameterImplementationDefault; #endif mipmapImplementation = &AbstractTexture::mipmapImplementationDefault; #ifndef MAGNUM_TARGET_GLES subImage1DImplementation = &AbstractTexture::subImageImplementationDefault; compressedSubImage1DImplementation = &AbstractTexture::compressedSubImageImplementationDefault; #endif subImage2DImplementation = &AbstractTexture::subImageImplementationDefault; compressedSubImage2DImplementation = &AbstractTexture::compressedSubImageImplementationDefault; #if !(defined(MAGNUM_TARGET_WEBGL) && defined(MAGNUM_TARGET_GLES2)) subImage3DImplementation = &AbstractTexture::subImageImplementationDefault; compressedSubImage3DImplementation = &AbstractTexture::compressedSubImageImplementationDefault; #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) setBufferImplementation = &BufferTexture::setBufferImplementationDefault; setBufferRangeImplementation = &BufferTexture::setBufferRangeImplementationDefault; #endif #if !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) getCubeLevelParameterivImplementation = &CubeMapTexture::getLevelParameterImplementationDefault; #endif cubeSubImageImplementation = &CubeMapTexture::subImageImplementationDefault; cubeCompressedSubImageImplementation = &CubeMapTexture::compressedSubImageImplementationDefault; } /* Data invalidation implementation */ #ifndef MAGNUM_TARGET_GLES if(context.isExtensionSupported()) { extensions.push_back(Extensions::GL::ARB::invalidate_subdata::string()); invalidateImageImplementation = &AbstractTexture::invalidateImageImplementationARB; invalidateSubImageImplementation = &AbstractTexture::invalidateSubImageImplementationARB; } else #endif { invalidateImageImplementation = &AbstractTexture::invalidateImageImplementationNoOp; invalidateSubImageImplementation = &AbstractTexture::invalidateSubImageImplementationNoOp; } #ifndef MAGNUM_TARGET_GLES /* Compressed cubemap image size query implementation (extensions added above) */ if((context.detectedDriver() & Context::DetectedDriver::NVidia) && !context.isDriverWorkaroundDisabled("nv-cubemap-inconsistent-compressed-image-size")) { if(context.isExtensionSupported()) getCubeLevelCompressedImageSizeImplementation = &CubeMapTexture::getLevelCompressedImageSizeImplementationDSANonImmutableWorkaround; else if(context.isExtensionSupported()) getCubeLevelCompressedImageSizeImplementation = &CubeMapTexture::getLevelCompressedImageSizeImplementationDSAEXTImmutableWorkaround; else getCubeLevelCompressedImageSizeImplementation = &CubeMapTexture::getLevelCompressedImageSizeImplementationDefaultImmutableWorkaround; } else { if(context.isExtensionSupported()) getCubeLevelCompressedImageSizeImplementation = &CubeMapTexture::getLevelCompressedImageSizeImplementationDSA; else if(context.isExtensionSupported()) getCubeLevelCompressedImageSizeImplementation = &CubeMapTexture::getLevelCompressedImageSizeImplementationDSAEXT; else getCubeLevelCompressedImageSizeImplementation = &CubeMapTexture::getLevelCompressedImageSizeImplementationDefault; } /* Image retrieval implementation */ if(context.isExtensionSupported()) { /* Extension name added above */ getImageImplementation = &AbstractTexture::getImageImplementationDSA; getCompressedImageImplementation = &AbstractTexture::getCompressedImageImplementationDSA; } else if(context.isExtensionSupported()) { extensions.push_back(Extensions::GL::ARB::robustness::string()); getImageImplementation = &AbstractTexture::getImageImplementationRobustness; getCompressedImageImplementation = &AbstractTexture::getCompressedImageImplementationRobustness; } else if(context.isExtensionSupported()) { /* Extension name added above */ getImageImplementation = &AbstractTexture::getImageImplementationDSAEXT; getCompressedImageImplementation = &AbstractTexture::getCompressedImageImplementationDSAEXT; } else { getImageImplementation = &AbstractTexture::getImageImplementationDefault; getCompressedImageImplementation = &AbstractTexture::getCompressedImageImplementationDefault; } /* Image retrieval implementation for cube map */ if(context.isExtensionSupported()) { extensions.push_back(Extensions::GL::ARB::get_texture_sub_image::string()); getCubeImageImplementation = &CubeMapTexture::getImageImplementationDSA; getCompressedCubeImageImplementation = &CubeMapTexture::getCompressedImageImplementationDSA; } else if(context.isExtensionSupported()) { /* Extension name added above */ getCubeImageImplementation = &CubeMapTexture::getImageImplementationRobustness; getCompressedCubeImageImplementation = &CubeMapTexture::getCompressedImageImplementationRobustness; } else if(context.isExtensionSupported()) { /* Extension name added above */ getCubeImageImplementation = &CubeMapTexture::getImageImplementationDSAEXT; getCompressedCubeImageImplementation = &CubeMapTexture::getCompressedImageImplementationDSAEXT; } else { getCubeImageImplementation = &CubeMapTexture::getImageImplementationDefault; getCompressedCubeImageImplementation = &CubeMapTexture::getCompressedImageImplementationDefault; } #endif /* Texture storage implementation for desktop and ES */ #ifndef MAGNUM_TARGET_WEBGL #ifndef MAGNUM_TARGET_GLES if(context.isExtensionSupported()) #elif defined(MAGNUM_TARGET_GLES2) if(context.isExtensionSupported()) #endif { #ifndef MAGNUM_TARGET_GLES extensions.push_back(Extensions::GL::ARB::texture_storage::string()); #elif defined(MAGNUM_TARGET_GLES2) extensions.push_back(Extensions::GL::EXT::texture_storage::string()); #endif #ifndef MAGNUM_TARGET_GLES if(context.isExtensionSupported()) { storage1DImplementation = &AbstractTexture::storageImplementationDSA; storage2DImplementation = &AbstractTexture::storageImplementationDSA; storage3DImplementation = &AbstractTexture::storageImplementationDSA; } else if(context.isExtensionSupported()) { storage1DImplementation = &AbstractTexture::storageImplementationDSAEXT; storage2DImplementation = &AbstractTexture::storageImplementationDSAEXT; storage3DImplementation = &AbstractTexture::storageImplementationDSAEXT; } else #endif { #ifndef MAGNUM_TARGET_GLES storage1DImplementation = &AbstractTexture::storageImplementationDefault; #endif storage2DImplementation = &AbstractTexture::storageImplementationDefault; storage3DImplementation = &AbstractTexture::storageImplementationDefault; } } #if !defined(MAGNUM_TARGET_GLES) || defined(MAGNUM_TARGET_GLES2) else { #ifndef MAGNUM_TARGET_GLES storage1DImplementation = &AbstractTexture::storageImplementationFallback; #endif storage2DImplementation = &AbstractTexture::storageImplementationFallback; storage3DImplementation = &AbstractTexture::storageImplementationFallback; } #endif /* Texture storage implementation for WebGL 1.0 */ #elif defined(MAGNUM_TARGET_GLES2) storage2DImplementation = &AbstractTexture::storageImplementationFallback; /* Texture storage implementation for WebGL 2.0 */ #else storage2DImplementation = &AbstractTexture::storageImplementationDefault; storage3DImplementation = &AbstractTexture::storageImplementationDefault; #endif #ifndef MAGNUM_TARGET_GLES /* Storage implementation for multisample textures. The fallback doesn't have DSA alternative, so it must be handled specially. */ if(context.isExtensionSupported()) { extensions.push_back(Extensions::GL::ARB::texture_storage_multisample::string()); if(context.isExtensionSupported()) { storage2DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationDSA; storage3DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationDSA; } else if(context.isExtensionSupported()) { storage2DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationDSAEXT; storage3DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationDSAEXT; } else { storage2DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationDefault; storage3DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationDefault; } } else { storage2DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationFallback; storage3DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationFallback; } #elif !defined(MAGNUM_TARGET_GLES2) && !defined(MAGNUM_TARGET_WEBGL) storage2DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationDefault; storage3DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationDefault; #endif /* Anisotropic filter implementation */ if(context.isExtensionSupported()) { extensions.push_back(Extensions::GL::EXT::texture_filter_anisotropic::string()); setMaxAnisotropyImplementation = &AbstractTexture::setMaxAnisotropyImplementationExt; } else setMaxAnisotropyImplementation = &AbstractTexture::setMaxAnisotropyImplementationNoOp; /* Resize bindings array to hold all possible texture units */ glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &maxTextureUnits); CORRADE_INTERNAL_ASSERT(maxTextureUnits > 0); bindings.resize(maxTextureUnits); } TextureState::~TextureState() = default; void TextureState::reset() { std::fill_n(bindings.begin(), bindings.size(), std::pair{{}, State::DisengagedBinding}); } }}