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Diffstat (limited to 'src/3rdparty/angle/src/libANGLE/renderer/d3d/IndexDataManager.h')
-rw-r--r-- | src/3rdparty/angle/src/libANGLE/renderer/d3d/IndexDataManager.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libANGLE/renderer/d3d/IndexDataManager.h b/src/3rdparty/angle/src/libANGLE/renderer/d3d/IndexDataManager.h new file mode 100644 index 0000000000..275b3720c5 --- /dev/null +++ b/src/3rdparty/angle/src/libANGLE/renderer/d3d/IndexDataManager.h @@ -0,0 +1,70 @@ +// +// Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +// IndexDataManager.h: Defines the IndexDataManager, a class that +// runs the Buffer translation process for index buffers. + +#ifndef LIBANGLE_INDEXDATAMANAGER_H_ +#define LIBANGLE_INDEXDATAMANAGER_H_ + +#include <GLES2/gl2.h> + +#include "common/angleutils.h" +#include "common/mathutil.h" +#include "libANGLE/Error.h" +#include "libANGLE/renderer/d3d/RendererD3D.h" + +namespace +{ + enum { INITIAL_INDEX_BUFFER_SIZE = 4096 * sizeof(GLuint) }; +} + +namespace gl +{ +class Buffer; +} + +namespace rx +{ +class IndexBufferInterface; +class StaticIndexBufferInterface; +class StreamingIndexBufferInterface; +class IndexBuffer; +class BufferD3D; +class RendererD3D; + +struct TranslatedIndexData +{ + RangeUI indexRange; + unsigned int startIndex; + unsigned int startOffset; // In bytes + + IndexBuffer *indexBuffer; + BufferD3D *storage; + GLenum indexType; + unsigned int serial; +}; + +class IndexDataManager : angle::NonCopyable +{ + public: + explicit IndexDataManager(BufferFactoryD3D *factory, RendererClass rendererClass); + virtual ~IndexDataManager(); + + gl::Error prepareIndexData(GLenum type, GLsizei count, gl::Buffer *arrayElementBuffer, const GLvoid *indices, TranslatedIndexData *translated); + + private: + gl::Error getStreamingIndexBuffer(GLenum destinationIndexType, IndexBufferInterface **outBuffer); + + BufferFactoryD3D *const mFactory; + RendererClass mRendererClass; + StreamingIndexBufferInterface *mStreamingBufferShort; + StreamingIndexBufferInterface *mStreamingBufferInt; +}; + +} + +#endif // LIBANGLE_INDEXDATAMANAGER_H_ |