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

120 lines
4.0 KiB
C

// 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 GCOGL_VERTEXSHADER_H
#define GCOGL_VERTEXSHADER_H
#include <stdarg.h>
#include "XFMemory.h"
#include "VideoCommon.h"
#include "ShaderGenCommon.h"
// TODO should be reordered
#define SHADER_POSITION_ATTRIB 0
#define SHADER_POSMTX_ATTRIB 1
#define SHADER_NORM0_ATTRIB 2
#define SHADER_NORM1_ATTRIB 3
#define SHADER_NORM2_ATTRIB 4
#define SHADER_COLOR0_ATTRIB 5
#define SHADER_COLOR1_ATTRIB 6
#define SHADER_TEXTURE0_ATTRIB 8
#define SHADER_TEXTURE1_ATTRIB 9
#define SHADER_TEXTURE2_ATTRIB 10
#define SHADER_TEXTURE3_ATTRIB 11
#define SHADER_TEXTURE4_ATTRIB 12
#define SHADER_TEXTURE5_ATTRIB 13
#define SHADER_TEXTURE6_ATTRIB 14
#define SHADER_TEXTURE7_ATTRIB 15
// shader variables
#define I_POSNORMALMATRIX "cpnmtx"
#define I_PROJECTION "cproj"
#define I_MATERIALS "cmtrl"
#define I_LIGHTS "clights"
#define I_TEXMATRICES "ctexmtx"
#define I_TRANSFORMMATRICES "ctrmtx"
#define I_NORMALMATRICES "cnmtx"
#define I_POSTTRANSFORMMATRICES "cpostmtx"
#define I_DEPTHPARAMS "cDepth" // farZ, zRange, scaled viewport width, scaled viewport height
#define C_POSNORMALMATRIX 0
#define C_PROJECTION (C_POSNORMALMATRIX + 6)
#define C_MATERIALS (C_PROJECTION + 4)
#define C_LIGHTS (C_MATERIALS + 4)
#define C_TEXMATRICES (C_LIGHTS + 40)
#define C_TRANSFORMMATRICES (C_TEXMATRICES + 24)
#define C_NORMALMATRICES (C_TRANSFORMMATRICES + 64)
#define C_POSTTRANSFORMMATRICES (C_NORMALMATRICES + 32)
#define C_DEPTHPARAMS (C_POSTTRANSFORMMATRICES + 64)
#define C_VENVCONST_END (C_DEPTHPARAMS + 1)
const s_svar VSVar_Loc[] = { {I_POSNORMALMATRIX, C_POSNORMALMATRIX, 6 },
{I_PROJECTION , C_PROJECTION, 4 },
{I_MATERIALS, C_MATERIALS, 4 },
{I_LIGHTS, C_LIGHTS, 40 },
{I_TEXMATRICES, C_TEXMATRICES, 24 },
{I_TRANSFORMMATRICES , C_TRANSFORMMATRICES, 64 },
{I_NORMALMATRICES , C_NORMALMATRICES, 32 },
{I_POSTTRANSFORMMATRICES, C_POSTTRANSFORMMATRICES, 64 },
{I_DEPTHPARAMS, C_DEPTHPARAMS, 1 },
};
// TODO: Need packing?
struct vertex_shader_uid_data
{
u32 components;
u32 numColorChans : 2;
u32 numTexGens : 4;
struct {
u32 projection : 1; // XF_TEXPROJ_X
u32 inputform : 2; // XF_TEXINPUT_X
u32 texgentype : 3; // XF_TEXGEN_X
u32 sourcerow : 5; // XF_SRCGEOM_X
u32 embosssourceshift : 3; // what generated texcoord to use
u32 embosslightshift : 3; // light index that is used
} texMtxInfo[8];
struct {
u32 index : 6; // base row of dual transform matrix
u32 normalize : 1; // normalize before send operation
} postMtxInfo[8];
struct {
u32 enabled : 1;
} dualTexTrans;
struct {
u32 matsource : 1;
u32 enablelighting : 1;
u32 ambsource : 1;
u32 diffusefunc : 2;
u32 attnfunc : 2;
u32 light_mask : 8;
} lit_chans[4];
};
typedef ShaderUid<vertex_shader_uid_data> VertexShaderUid;
typedef ShaderCode VertexShaderCode; // TODO: Obsolete..
void GetVertexShaderUid(VertexShaderUid& object, u32 components, API_TYPE api_type);
void GenerateVertexShaderCode(VertexShaderCode& object, u32 components, API_TYPE api_type);
void GenerateVSOutputStructForGS(ShaderCode& object, u32 components, API_TYPE api_type);
#endif // GCOGL_VERTEXSHADER_H