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57 lines
2.3 KiB
57 lines
2.3 KiB
/* |
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Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz> |
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This file is part of Magnum. |
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Magnum is free software: you can redistribute it and/or modify |
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it under the terms of the GNU Lesser General Public License version 3 |
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only, as published by the Free Software Foundation. |
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Magnum is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU Lesser General Public License version 3 for more details. |
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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(InternalFormat 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(InternalFormat 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(InternalFormat 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(InternalFormat 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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