mirror of https://github.com/mosra/magnum.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
256 lines
12 KiB
256 lines
12 KiB
/* |
|
This file is part of Magnum. |
|
|
|
Copyright © 2010, 2011, 2012, 2013, 2014 |
|
Vladimír Vondruš <mosra@centrum.cz> |
|
|
|
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 <Corrade/Utility/Assert.h> |
|
|
|
#include "Magnum/AbstractTexture.h" |
|
#ifndef MAGNUM_TARGET_GLES |
|
#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<std::string>& extensions): maxSize{}, max3DSize{}, 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::GL::ARB::direct_state_access>()) { |
|
extensions.push_back(Extensions::GL::ARB::direct_state_access::string()); |
|
createImplementation = &AbstractTexture::createImplementationDSA; |
|
|
|
} else |
|
#endif |
|
{ |
|
createImplementation = &AbstractTexture::createImplementationDefault; |
|
} |
|
|
|
/* Bind implementation */ |
|
#ifndef MAGNUM_TARGET_GLES |
|
if(context.isExtensionSupported<Extensions::GL::ARB::multi_bind>()) { |
|
extensions.push_back(Extensions::GL::ARB::multi_bind::string()); |
|
|
|
unbindImplementation = &AbstractTexture::unbindImplementationMulti; |
|
bindMultiImplementation = &AbstractTexture::bindImplementationMulti; |
|
bindImplementation = &AbstractTexture::bindImplementationMulti; |
|
|
|
} else if(context.isExtensionSupported<Extensions::GL::EXT::direct_state_access>()) { |
|
/* Extension name added below */ |
|
|
|
unbindImplementation = &AbstractTexture::unbindImplementationDSAEXT; |
|
bindMultiImplementation = &AbstractTexture::bindImplementationFallback; |
|
bindImplementation = &AbstractTexture::bindImplementationDSAEXT; |
|
|
|
} else |
|
#endif |
|
{ |
|
unbindImplementation = &AbstractTexture::unbindImplementationDefault; |
|
bindMultiImplementation = &AbstractTexture::bindImplementationFallback; |
|
bindImplementation = &AbstractTexture::bindImplementationDefault; |
|
} |
|
|
|
/* DSA/non-DSA implementation */ |
|
#ifndef MAGNUM_TARGET_GLES |
|
if(context.isExtensionSupported<Extensions::GL::EXT::direct_state_access>()) { |
|
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; |
|
getImageImplementation = &AbstractTexture::getImageImplementationDSAEXT; |
|
image1DImplementation = &AbstractTexture::imageImplementationDSAEXT; |
|
image2DImplementation = &AbstractTexture::imageImplementationDSAEXT; |
|
image3DImplementation = &AbstractTexture::imageImplementationDSAEXT; |
|
subImage1DImplementation = &AbstractTexture::subImageImplementationDSAEXT; |
|
subImage2DImplementation = &AbstractTexture::subImageImplementationDSAEXT; |
|
subImage3DImplementation = &AbstractTexture::subImageImplementationDSAEXT; |
|
|
|
setBufferImplementation = &BufferTexture::setBufferImplementationDSAEXT; |
|
setBufferRangeImplementation = &BufferTexture::setBufferRangeImplementationDSAEXT; |
|
} else |
|
#endif |
|
{ |
|
parameteriImplementation = &AbstractTexture::parameterImplementationDefault; |
|
parameterfImplementation = &AbstractTexture::parameterImplementationDefault; |
|
#ifndef MAGNUM_TARGET_GLES2 |
|
parameterivImplementation = &AbstractTexture::parameterImplementationDefault; |
|
#endif |
|
parameterfvImplementation = &AbstractTexture::parameterImplementationDefault; |
|
#ifndef MAGNUM_TARGET_GLES |
|
parameterIuivImplementation = &AbstractTexture::parameterIImplementationDefault; |
|
parameterIivImplementation = &AbstractTexture::parameterIImplementationDefault; |
|
#endif |
|
#ifndef MAGNUM_TARGET_GLES2 |
|
getLevelParameterivImplementation = &AbstractTexture::getLevelParameterImplementationDefault; |
|
#endif |
|
mipmapImplementation = &AbstractTexture::mipmapImplementationDefault; |
|
#ifndef MAGNUM_TARGET_GLES |
|
getImageImplementation = &AbstractTexture::getImageImplementationDefault; |
|
image1DImplementation = &AbstractTexture::imageImplementationDefault; |
|
#endif |
|
image2DImplementation = &AbstractTexture::imageImplementationDefault; |
|
image3DImplementation = &AbstractTexture::imageImplementationDefault; |
|
#ifndef MAGNUM_TARGET_GLES |
|
subImage1DImplementation = &AbstractTexture::subImageImplementationDefault; |
|
#endif |
|
subImage2DImplementation = &AbstractTexture::subImageImplementationDefault; |
|
subImage3DImplementation = &AbstractTexture::subImageImplementationDefault; |
|
|
|
#ifndef MAGNUM_TARGET_GLES |
|
setBufferImplementation = &BufferTexture::setBufferImplementationDefault; |
|
setBufferRangeImplementation = &BufferTexture::setBufferRangeImplementationDefault; |
|
#endif |
|
} |
|
|
|
/* Data invalidation implementation */ |
|
#ifndef MAGNUM_TARGET_GLES |
|
if(context.isExtensionSupported<Extensions::GL::ARB::invalidate_subdata>()) { |
|
extensions.push_back(Extensions::GL::ARB::invalidate_subdata::string()); |
|
|
|
invalidateImageImplementation = &AbstractTexture::invalidateImageImplementationARB; |
|
invalidateSubImageImplementation = &AbstractTexture::invalidateSubImageImplementationARB; |
|
} else |
|
#endif |
|
{ |
|
invalidateImageImplementation = &AbstractTexture::invalidateImageImplementationNoOp; |
|
invalidateSubImageImplementation = &AbstractTexture::invalidateSubImageImplementationNoOp; |
|
} |
|
|
|
/* Image retrieval implementation */ |
|
#ifndef MAGNUM_TARGET_GLES |
|
if(context.isExtensionSupported<Extensions::GL::ARB::robustness>() && |
|
!context.isExtensionSupported<Extensions::GL::EXT::direct_state_access>()) { |
|
extensions.push_back(Extensions::GL::ARB::robustness::string()); |
|
|
|
getImageImplementation = &AbstractTexture::getImageImplementationRobustness; |
|
} else getImageImplementation = &AbstractTexture::getImageImplementationDefault; |
|
#endif |
|
|
|
/* Texture storage implementation */ |
|
#ifndef MAGNUM_TARGET_GLES |
|
if(context.isExtensionSupported<Extensions::GL::ARB::texture_storage>()) |
|
#elif defined(MAGNUM_TARGET_GLES2) |
|
if(context.isExtensionSupported<Extensions::GL::EXT::texture_storage>()) |
|
#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<Extensions::GL::EXT::direct_state_access>()) { |
|
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; |
|
} |
|
} |
|
#ifndef MAGNUM_TARGET_GLES3 |
|
else { |
|
#ifndef MAGNUM_TARGET_GLES |
|
storage1DImplementation = &AbstractTexture::storageImplementationFallback; |
|
#endif |
|
storage2DImplementation = &AbstractTexture::storageImplementationFallback; |
|
storage3DImplementation = &AbstractTexture::storageImplementationFallback; |
|
} |
|
#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::GL::ARB::texture_storage_multisample>()) { |
|
extensions.push_back(Extensions::GL::ARB::texture_storage_multisample::string()); |
|
|
|
if(context.isExtensionSupported<Extensions::GL::EXT::direct_state_access>()) { |
|
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) |
|
storage2DMultisampleImplementation = &AbstractTexture::storageMultisampleImplementationDefault; |
|
#endif |
|
|
|
/* Anisotropic filter implementation */ |
|
if(context.isExtensionSupported<Extensions::GL::EXT::texture_filter_anisotropic>()) { |
|
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<GLenum, GLuint>{{}, State::DisengagedBinding}); |
|
} |
|
|
|
}}
|
|
|