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81 lines
3.0 KiB
81 lines
3.0 KiB
#ifndef Magnum_DebugTools_BufferData_h |
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#define Magnum_DebugTools_BufferData_h |
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/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 |
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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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#ifndef MAGNUM_TARGET_WEBGL |
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/** @file |
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* @brief Function @ref Magnum::DebugTools::bufferData(), @ref Magnum::DebugTools::bufferSubData() |
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*/ |
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#endif |
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#include <Corrade/Containers/Array.h> |
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#include "Magnum/Buffer.h" |
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#include "Magnum/DebugTools/visibility.h" |
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#ifndef MAGNUM_TARGET_WEBGL |
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namespace Magnum { namespace DebugTools { |
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namespace Implementation { |
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MAGNUM_DEBUGTOOLS_EXPORT void bufferSubData(Buffer& buffer, GLintptr offset, GLsizeiptr size, void* output); |
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} |
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/** |
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@brief Buffer subdata |
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Emulates @ref Buffer::subData() call on platforms that don't support it (such |
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as OpenGL ES) by using @ref Buffer::map(). |
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@requires_gles30 Extension @extension{EXT,map_buffer_range} in OpenGL ES |
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2.0. |
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@requires_gles Buffer mapping is not available in WebGL. |
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*/ |
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template<class T> Containers::Array<T> inline bufferSubData(Buffer& buffer, GLintptr offset, GLsizeiptr size) { |
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Containers::Array<T> data{std::size_t(size)}; |
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if(size) Implementation::bufferSubData(buffer, offset, size*sizeof(T), data); |
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return data; |
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} |
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/** |
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@brief Buffer data |
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Emulates @ref Buffer::data() call on platforms that don't support it (such as |
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OpenGL ES) by using @ref Buffer::map(). |
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@requires_gles30 Extension @extension{EXT,map_buffer_range} in OpenGL ES |
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2.0. |
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@requires_gles Buffer mapping is not available in WebGL. |
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*/ |
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template<class T = char> Containers::Array<T> inline bufferData(Buffer& buffer) { |
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const Int bufferSize = buffer.size(); |
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CORRADE_ASSERT(bufferSize%sizeof(T) == 0, "Buffer::data(): the buffer size is" << bufferSize << "bytes, which can't be expressed as array of types with size" << sizeof(T), nullptr); |
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return bufferSubData<T>(buffer, 0, bufferSize/sizeof(T)); |
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} |
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}} |
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#else |
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#error this header is not available in WebGL build |
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#endif |
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#endif
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