203 lines
4.8 KiB
C
203 lines
4.8 KiB
C
// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _XFMEMORY_H
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#define _XFMEMORY_H
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#include "Common.h"
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/////////////
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// Lighting
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/////////////
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#define XF_TEXPROJ_ST 0
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#define XF_TEXPROJ_STQ 1
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#define XF_TEXINPUT_AB11 0
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#define XF_TEXINPUT_ABC1 1
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#define XF_TEXGEN_REGULAR 0
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#define XF_TEXGEN_EMBOSS_MAP 1 // used when bump mapping
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#define XF_TEXGEN_COLOR_STRGBC0 2
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#define XF_TEXGEN_COLOR_STRGBC1 3
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#define XF_SRCGEOM_INROW 0 // input is abc
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#define XF_SRCNORMAL_INROW 1 // input is abc
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#define XF_SRCCOLORS_INROW 2
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#define XF_SRCBINORMAL_T_INROW 3 // input is abc
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#define XF_SRCBINORMAL_B_INROW 4 // input is abc
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#define XF_SRCTEX0_INROW 5
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#define XF_SRCTEX1_INROW 6
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#define XF_SRCTEX2_INROW 7
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#define XF_SRCTEX3_INROW 8
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#define XF_SRCTEX4_INROW 9
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#define XF_SRCTEX5_INROW 10
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#define XF_SRCTEX6_INROW 11
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#define XF_SRCTEX7_INROW 12
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#define GX_SRC_REG 0
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#define GX_SRC_VTX 1
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struct Light
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{
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u32 useless[3];
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u32 color; //rgba
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float a0; //attenuation
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float a1;
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float a2;
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float k0; //k stuff
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float k1;
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float k2;
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union
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{
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struct {
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float dpos[3];
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float ddir[3]; // specular lights only
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};
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struct {
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float sdir[3];
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float shalfangle[3]; // specular lights only
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};
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};
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};
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#define LIGHTDIF_NONE 0
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#define LIGHTDIF_SIGN 1
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#define LIGHTDIF_CLAMP 2
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#define LIGHTATTN_SPEC 0 // specular attenuation
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#define LIGHTATTN_SPOT 1 // distance/spotlight attenuation
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#define LIGHTATTN_NONE 2
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#define LIGHTATTN_DIR 3
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union LitChannel
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{
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struct
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{
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unsigned matsource : 1;
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unsigned enablelighting : 1;
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unsigned lightMask0_3 : 4;
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unsigned ambsource : 1;
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unsigned diffusefunc : 2; // LIGHTDIF_X
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unsigned attnfunc : 2; // LIGHTATTN_X
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unsigned lightMask4_7 : 4;
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};
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struct
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{
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u32 hex : 15;
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u32 unused : 17;
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};
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struct
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{
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u32 dummy0 : 7;
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u32 lightparams : 4;
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u32 dummy1 : 21;
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};
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unsigned int GetFullLightMask() const
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{
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return enablelighting ? (lightMask0_3 | (lightMask4_7 << 4)) : 0;
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}
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};
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struct ColorChannel
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{
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u32 ambColor;
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u32 matColor;
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LitChannel color;
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LitChannel alpha;
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};
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union INVTXSPEC
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{
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struct
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{
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unsigned numcolors : 2;
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unsigned numnormals : 2; // 0 - nothing, 1 - just normal, 2 - normals and binormals
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unsigned numtextures : 4;
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unsigned unused : 24;
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};
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u32 hex;
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};
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union TexMtxInfo
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{
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struct
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{
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unsigned unknown : 1;
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unsigned projection : 1; // XF_TEXPROJ_X
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unsigned inputform : 2; // XF_TEXINPUT_X
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unsigned texgentype : 3; // XF_TEXGEN_X
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unsigned sourcerow : 5; // XF_SRCGEOM_X
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unsigned embosssourceshift : 3; // what generated texcoord to use
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unsigned embosslightshift : 3; // light index that is used
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};
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u32 hex;
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};
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union PostMtxInfo
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{
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struct
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{
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unsigned index : 6; // base row of dual transform matrix
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unsigned unused : 2;
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unsigned normalize : 1; // normalize before send operation
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};
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u32 hex;
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};
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struct TexCoordInfo
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{
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TexMtxInfo texmtxinfo;
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PostMtxInfo postmtxinfo;
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};
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struct XFRegisters
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{
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int numTexGens;
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int nNumChans;
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INVTXSPEC hostinfo; // number of textures,colors,normals from vertex input
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ColorChannel colChans[2]; //C0A0 C1A1
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TexCoordInfo texcoords[8];
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bool bEnableDualTexTransform;
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};
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#define XFMEM_SIZE 0x8000
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#define XFMEM_POSMATRICES 0x000
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#define XFMEM_POSMATRICES_END 0x100
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#define XFMEM_NORMALMATRICES 0x400
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#define XFMEM_NORMALMATRICES_END 0x460
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#define XFMEM_POSTMATRICES 0x500
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#define XFMEM_POSTMATRICES_END 0x600
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#define XFMEM_LIGHTS 0x600
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#define XFMEM_LIGHTS_END 0x680
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struct Viewport
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{
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float wd;
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float ht;
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float nearZ;
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float xOrig;
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float yOrig;
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float farZ;
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};
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extern XFRegisters xfregs;
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extern u32 xfmem[XFMEM_SIZE];
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#endif
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