dolphin/Source/Core/VideoCommon/Src/XFMemory.h

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// Copyright (C) 2003-2008 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 _XFMEMORY_H
#define _XFMEMORY_H
#include "Common.h"
/////////////
// Lighting
/////////////
#define XF_TEXPROJ_ST 0
#define XF_TEXPROJ_STQ 1
#define XF_TEXINPUT_AB11 0
#define XF_TEXINPUT_ABC1 1
#define XF_TEXGEN_REGULAR 0
#define XF_TEXGEN_EMBOSS_MAP 1 // used when bump mapping
#define XF_TEXGEN_COLOR_STRGBC0 2
#define XF_TEXGEN_COLOR_STRGBC1 3
#define XF_SRCGEOM_INROW 0 // input is abc
#define XF_SRCNORMAL_INROW 1 // input is abc
#define XF_SRCCOLORS_INROW 2
#define XF_SRCBINORMAL_T_INROW 3 // input is abc
#define XF_SRCBINORMAL_B_INROW 4 // input is abc
#define XF_SRCTEX0_INROW 5
#define XF_SRCTEX1_INROW 6
#define XF_SRCTEX2_INROW 7
#define XF_SRCTEX3_INROW 8
#define XF_SRCTEX4_INROW 9
#define XF_SRCTEX5_INROW 10
#define XF_SRCTEX6_INROW 11
#define XF_SRCTEX7_INROW 12
#define GX_SRC_REG 0
#define GX_SRC_VTX 1
struct Light
{
u32 useless[3];
u32 color; //rgba
float a0; //attenuation
float a1;
float a2;
float k0; //k stuff
float k1;
float k2;
union
{
struct {
float dpos[3];
float ddir[3]; // specular lights only
};
struct {
float sdir[3];
float shalfangle[3]; // specular lights only
};
};
};
#define LIGHTDIF_NONE 0
#define LIGHTDIF_SIGN 1
#define LIGHTDIF_CLAMP 2
#define LIGHTATTN_SPEC 0 // specular attenuation
#define LIGHTATTN_SPOT 1 // distance/spotlight attenuation
#define LIGHTATTN_NONE 2
#define LIGHTATTN_DIR 3
union LitChannel
{
struct
{
unsigned matsource : 1;
unsigned enablelighting : 1;
unsigned lightMask0_3 : 4;
unsigned ambsource : 1;
unsigned diffusefunc : 2; // LIGHTDIF_X
unsigned attnfunc : 2; // LIGHTATTN_X
unsigned lightMask4_7 : 4;
};
struct
{
u32 hex : 15;
u32 unused : 17;
};
struct
{
u32 dummy0 : 7;
u32 lightparams : 4;
u32 dummy1 : 21;
};
unsigned int GetFullLightMask() const
{
return enablelighting ? (lightMask0_3 | (lightMask4_7 << 4)) : 0;
}
};
struct ColorChannel
{
u32 ambColor;
u32 matColor;
LitChannel color;
LitChannel alpha;
};
union INVTXSPEC
{
struct
{
unsigned numcolors : 2;
unsigned numnormals : 2; // 0 - nothing, 1 - just normal, 2 - normals and binormals
unsigned numtextures : 4;
unsigned unused : 24;
};
u32 hex;
};
union TexMtxInfo
{
struct
{
unsigned unknown : 1;
unsigned projection : 1; // XF_TEXPROJ_X
unsigned inputform : 2; // XF_TEXINPUT_X
unsigned texgentype : 3; // XF_TEXGEN_X
unsigned sourcerow : 5; // XF_SRCGEOM_X
unsigned embosssourceshift : 3; // what generated texcoord to use
unsigned embosslightshift : 3; // light index that is used
};
u32 hex;
};
union PostMtxInfo
{
struct
{
unsigned index : 6; // base row of dual transform matrix
unsigned unused : 2;
unsigned normalize : 1; // normalize before send operation
};
u32 hex;
};
struct TexCoordInfo
{
TexMtxInfo texmtxinfo;
PostMtxInfo postmtxinfo;
};
struct XFRegisters
{
int numTexGens;
int nNumChans;
INVTXSPEC hostinfo; // number of textures,colors,normals from vertex input
ColorChannel colChans[2]; //C0A0 C1A1
TexCoordInfo texcoords[8];
bool bEnableDualTexTransform;
float rawViewport[6];
float rawProjection[7];
};
#define XFMEM_SIZE 0x8000
#define XFMEM_POSMATRICES 0x000
#define XFMEM_POSMATRICES_END 0x100
#define XFMEM_NORMALMATRICES 0x400
#define XFMEM_NORMALMATRICES_END 0x460
#define XFMEM_POSTMATRICES 0x500
#define XFMEM_POSTMATRICES_END 0x600
#define XFMEM_LIGHTS 0x600
#define XFMEM_LIGHTS_END 0x680
struct Viewport
{
float wd;
float ht;
float nearZ;
float xOrig;
float yOrig;
float farZ;
};
extern XFRegisters xfregs;
extern u32 xfmem[XFMEM_SIZE];
#endif