1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libGLESv2/renderer/VertexBuffer9.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,91 @@
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 +// VertexBuffer9.h: Defines the D3D9 VertexBuffer implementation.
1.11 +
1.12 +#ifndef LIBGLESV2_RENDERER_VERTEXBUFFER9_H_
1.13 +#define LIBGLESV2_RENDERER_VERTEXBUFFER9_H_
1.14 +
1.15 +#include "libGLESv2/renderer/VertexBuffer.h"
1.16 +
1.17 +namespace rx
1.18 +{
1.19 +class Renderer9;
1.20 +
1.21 +class VertexBuffer9 : public VertexBuffer
1.22 +{
1.23 + public:
1.24 + explicit VertexBuffer9(rx::Renderer9 *const renderer);
1.25 + virtual ~VertexBuffer9();
1.26 +
1.27 + virtual bool initialize(unsigned int size, bool dynamicUsage);
1.28 +
1.29 + static VertexBuffer9 *makeVertexBuffer9(VertexBuffer *vertexBuffer);
1.30 +
1.31 + virtual bool storeVertexAttributes(const gl::VertexAttribute &attrib, GLint start, GLsizei count, GLsizei instances,
1.32 + unsigned int offset);
1.33 + virtual bool storeRawData(const void* data, unsigned int size, unsigned int offset);
1.34 +
1.35 + virtual bool getSpaceRequired(const gl::VertexAttribute &attrib, GLsizei count, GLsizei instances, unsigned int *outSpaceRequired) const;
1.36 +
1.37 + virtual bool requiresConversion(const gl::VertexAttribute &attrib) const;
1.38 +
1.39 + unsigned int getVertexSize(const gl::VertexAttribute &attrib) const;
1.40 + D3DDECLTYPE getDeclType(const gl::VertexAttribute &attrib) const;
1.41 +
1.42 + virtual unsigned int getBufferSize() const;
1.43 + virtual bool setBufferSize(unsigned int size);
1.44 + virtual bool discard();
1.45 +
1.46 + IDirect3DVertexBuffer9 *getBuffer() const;
1.47 +
1.48 + private:
1.49 + DISALLOW_COPY_AND_ASSIGN(VertexBuffer9);
1.50 +
1.51 + rx::Renderer9 *const mRenderer;
1.52 +
1.53 + IDirect3DVertexBuffer9 *mVertexBuffer;
1.54 + unsigned int mBufferSize;
1.55 + bool mDynamicUsage;
1.56 +
1.57 + // Attribute format conversion
1.58 + enum { NUM_GL_VERTEX_ATTRIB_TYPES = 6 };
1.59 +
1.60 + struct FormatConverter
1.61 + {
1.62 + bool identity;
1.63 + std::size_t outputElementSize;
1.64 + void (*convertArray)(const void *in, std::size_t stride, std::size_t n, void *out);
1.65 + D3DDECLTYPE d3dDeclType;
1.66 + };
1.67 +
1.68 + static bool mTranslationsInitialized;
1.69 + static void initializeTranslations(DWORD declTypes);
1.70 +
1.71 + // [GL types as enumerated by typeIndex()][normalized][size - 1]
1.72 + static FormatConverter mFormatConverters[NUM_GL_VERTEX_ATTRIB_TYPES][2][4];
1.73 +
1.74 + struct TranslationDescription
1.75 + {
1.76 + DWORD capsFlag;
1.77 + FormatConverter preferredConversion;
1.78 + FormatConverter fallbackConversion;
1.79 + };
1.80 +
1.81 + // This table is used to generate mFormatConverters.
1.82 + // [GL types as enumerated by typeIndex()][normalized][size - 1]
1.83 + static const TranslationDescription mPossibleTranslations[NUM_GL_VERTEX_ATTRIB_TYPES][2][4];
1.84 +
1.85 + static unsigned int typeIndex(GLenum type);
1.86 + static const FormatConverter &formatConverter(const gl::VertexAttribute &attribute);
1.87 +
1.88 + static bool spaceRequired(const gl::VertexAttribute &attrib, std::size_t count, GLsizei instances,
1.89 + unsigned int *outSpaceRequired);
1.90 +};
1.91 +
1.92 +}
1.93 +
1.94 +#endif // LIBGLESV2_RENDERER_VERTEXBUFFER9_H_
