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65 lines
2.9 KiB
65 lines
2.9 KiB
/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013 Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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#include "BufferTexture.h" |
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#ifndef MAGNUM_TARGET_GLES |
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#include "Buffer.h" |
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#include "Context.h" |
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#include "Extensions.h" |
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namespace Magnum { |
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BufferTexture::SetBufferImplementation BufferTexture::setBufferImplementation = &BufferTexture::setBufferImplementationDefault; |
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BufferTexture::SetBufferRangeImplementation BufferTexture::setBufferRangeImplementation = &BufferTexture::setBufferRangeImplementationDefault; |
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void BufferTexture::initializeContextBasedFunctionality(Context& context) { |
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if(context.isExtensionSupported<Extensions::GL::EXT::direct_state_access>()) { |
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Debug() << "BufferTexture: using" << Extensions::GL::EXT::direct_state_access::string() << "features"; |
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setBufferImplementation = &BufferTexture::setBufferImplementationDSA; |
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setBufferRangeImplementation = &BufferTexture::setBufferRangeImplementationDSA; |
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} |
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} |
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void BufferTexture::setBufferImplementationDefault(BufferTextureFormat internalFormat, Buffer& buffer) { |
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bindInternal(); |
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glTexBuffer(GL_TEXTURE_BUFFER, GLenum(internalFormat), buffer.id()); |
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} |
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void BufferTexture::setBufferImplementationDSA(BufferTextureFormat internalFormat, Buffer& buffer) { |
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glTextureBufferEXT(id(), GL_TEXTURE_BUFFER, GLenum(internalFormat), buffer.id()); |
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} |
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void BufferTexture::setBufferRangeImplementationDefault(BufferTextureFormat internalFormat, Buffer& buffer, GLintptr offset, GLsizeiptr size) { |
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bindInternal(); |
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glTexBufferRange(GL_TEXTURE_BUFFER, GLenum(internalFormat), buffer.id(), offset, size); |
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} |
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void BufferTexture::setBufferRangeImplementationDSA(BufferTextureFormat internalFormat, Buffer& buffer, GLintptr offset, GLsizeiptr size) { |
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glTextureBufferRangeEXT(id(), GL_TEXTURE_BUFFER, GLenum(internalFormat), buffer.id(), offset, size); |
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} |
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} |
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#endif
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