dolphin/Source/Core/VideoCommon/NativeVertexFormat.h

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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _NATIVEVERTEXFORMAT_H
#define _NATIVEVERTEXFORMAT_H
#include "Common.h"
// m_components
enum
{
VB_HAS_POSMTXIDX =(1<<1),
VB_HAS_TEXMTXIDX0=(1<<2),
VB_HAS_TEXMTXIDX1=(1<<3),
VB_HAS_TEXMTXIDX2=(1<<4),
VB_HAS_TEXMTXIDX3=(1<<5),
VB_HAS_TEXMTXIDX4=(1<<6),
VB_HAS_TEXMTXIDX5=(1<<7),
VB_HAS_TEXMTXIDX6=(1<<8),
VB_HAS_TEXMTXIDX7=(1<<9),
VB_HAS_TEXMTXIDXALL=(0xff<<2),
//VB_HAS_POS=0, // Implied, it always has pos! don't bother testing
VB_HAS_NRM0=(1<<10),
VB_HAS_NRM1=(1<<11),
VB_HAS_NRM2=(1<<12),
VB_HAS_NRMALL=(7<<10),
VB_HAS_COL0=(1<<13),
VB_HAS_COL1=(1<<14),
VB_HAS_UV0=(1<<15),
VB_HAS_UV1=(1<<16),
VB_HAS_UV2=(1<<17),
VB_HAS_UV3=(1<<18),
VB_HAS_UV4=(1<<19),
VB_HAS_UV5=(1<<20),
VB_HAS_UV6=(1<<21),
VB_HAS_UV7=(1<<22),
VB_HAS_UVALL=(0xff<<15),
VB_HAS_UVTEXMTXSHIFT=13,
};
#ifdef WIN32
#define LOADERDECL __cdecl
#else
#define LOADERDECL
#endif
typedef void (LOADERDECL *TPipelineFunction)();
enum VarType
{
VAR_UNSIGNED_BYTE, // GX_U8 = 0
VAR_BYTE, // GX_S8 = 1
VAR_UNSIGNED_SHORT, // GX_U16 = 2
VAR_SHORT, // GX_S16 = 3
VAR_FLOAT, // GX_F32 = 4
};
struct AttributeFormat
{
VarType type;
int components;
int offset;
bool enable;
bool integer;
};
struct PortableVertexDeclaration
{
int stride;
AttributeFormat position;
AttributeFormat normals[3];
AttributeFormat colors[2];
AttributeFormat texcoords[8];
AttributeFormat posmtx;
};
// The implementation of this class is specific for GL/DX, so NativeVertexFormat.cpp
// is in the respective backend, not here in VideoCommon.
// Note that this class can't just invent arbitrary vertex formats out of its input -
// all the data loading code must always be made compatible.
class NativeVertexFormat : NonCopyable
{
public:
virtual ~NativeVertexFormat() {}
virtual void Initialize(const PortableVertexDeclaration &vtx_decl) = 0;
virtual void SetupVertexPointers() = 0;
u32 GetVertexStride() const { return vertex_stride; }
// TODO: move this under private:
u32 m_components; // VB_HAS_X. Bitmask telling what vertex components are present.
protected:
// Let subclasses construct.
NativeVertexFormat() {}
u32 vertex_stride;
};
#endif // _NATIVEVERTEXFORMAT_H