1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libGLESv2/renderer/VertexDataManager.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,65 @@
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 +// VertexDataManager.h: Defines the VertexDataManager, a class that
1.11 +// runs the Buffer translation process.
1.12 +
1.13 +#ifndef LIBGLESV2_RENDERER_VERTEXDATAMANAGER_H_
1.14 +#define LIBGLESV2_RENDERER_VERTEXDATAMANAGER_H_
1.15 +
1.16 +#include "libGLESv2/Constants.h"
1.17 +#include "common/angleutils.h"
1.18 +
1.19 +namespace gl
1.20 +{
1.21 +class VertexAttribute;
1.22 +class ProgramBinary;
1.23 +}
1.24 +
1.25 +namespace rx
1.26 +{
1.27 +class BufferStorage;
1.28 +class StreamingVertexBufferInterface;
1.29 +class VertexBuffer;
1.30 +class Renderer;
1.31 +
1.32 +struct TranslatedAttribute
1.33 +{
1.34 + bool active;
1.35 +
1.36 + const gl::VertexAttribute *attribute;
1.37 + unsigned int offset;
1.38 + unsigned int stride; // 0 means not to advance the read pointer at all
1.39 +
1.40 + VertexBuffer *vertexBuffer;
1.41 + BufferStorage *storage;
1.42 + unsigned int serial;
1.43 + unsigned int divisor;
1.44 +};
1.45 +
1.46 +class VertexDataManager
1.47 +{
1.48 + public:
1.49 + VertexDataManager(rx::Renderer *renderer);
1.50 + virtual ~VertexDataManager();
1.51 +
1.52 + GLenum prepareVertexData(const gl::VertexAttribute attribs[], gl::ProgramBinary *programBinary, GLint start, GLsizei count, TranslatedAttribute *outAttribs, GLsizei instances);
1.53 +
1.54 + private:
1.55 + DISALLOW_COPY_AND_ASSIGN(VertexDataManager);
1.56 +
1.57 + rx::Renderer *const mRenderer;
1.58 +
1.59 + StreamingVertexBufferInterface *mStreamingBuffer;
1.60 +
1.61 + float mCurrentValue[gl::MAX_VERTEX_ATTRIBS][4];
1.62 + StreamingVertexBufferInterface *mCurrentValueBuffer[gl::MAX_VERTEX_ATTRIBS];
1.63 + std::size_t mCurrentValueOffsets[gl::MAX_VERTEX_ATTRIBS];
1.64 +};
1.65 +
1.66 +}
1.67 +
1.68 +#endif // LIBGLESV2_RENDERER_VERTEXDATAMANAGER_H_
