1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libGLESv2/renderer/IndexDataManager.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,66 @@
1.4 +//
1.5 +// Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +// IndexDataManager.h: Defines the IndexDataManager, a class that
1.11 +// runs the Buffer translation process for index buffers.
1.12 +
1.13 +#ifndef LIBGLESV2_INDEXDATAMANAGER_H_
1.14 +#define LIBGLESV2_INDEXDATAMANAGER_H_
1.15 +
1.16 +#include "common/angleutils.h"
1.17 +
1.18 +namespace
1.19 +{
1.20 + enum { INITIAL_INDEX_BUFFER_SIZE = 4096 * sizeof(GLuint) };
1.21 +}
1.22 +
1.23 +namespace gl
1.24 +{
1.25 +class Buffer;
1.26 +}
1.27 +
1.28 +namespace rx
1.29 +{
1.30 +class StaticIndexBufferInterface;
1.31 +class StreamingIndexBufferInterface;
1.32 +class IndexBuffer;
1.33 +class BufferStorage;
1.34 +class Renderer;
1.35 +
1.36 +struct TranslatedIndexData
1.37 +{
1.38 + unsigned int minIndex;
1.39 + unsigned int maxIndex;
1.40 + unsigned int startIndex;
1.41 + unsigned int startOffset; // In bytes
1.42 +
1.43 + IndexBuffer *indexBuffer;
1.44 + BufferStorage *storage;
1.45 + unsigned int serial;
1.46 +};
1.47 +
1.48 +class IndexDataManager
1.49 +{
1.50 + public:
1.51 + explicit IndexDataManager(Renderer *renderer);
1.52 + virtual ~IndexDataManager();
1.53 +
1.54 + GLenum prepareIndexData(GLenum type, GLsizei count, gl::Buffer *arrayElementBuffer, const GLvoid *indices, TranslatedIndexData *translated);
1.55 + StaticIndexBufferInterface *getCountingIndices(GLsizei count);
1.56 +
1.57 + private:
1.58 + DISALLOW_COPY_AND_ASSIGN(IndexDataManager);
1.59 +
1.60 + Renderer *const mRenderer;
1.61 +
1.62 + StreamingIndexBufferInterface *mStreamingBufferShort;
1.63 + StreamingIndexBufferInterface *mStreamingBufferInt;
1.64 + StaticIndexBufferInterface *mCountingBuffer;
1.65 +};
1.66 +
1.67 +}
1.68 +
1.69 +#endif // LIBGLESV2_INDEXDATAMANAGER_H_
