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92 lines
3 KiB
C
92 lines
3 KiB
C
// Copyright (C) 2003 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 GCOGL_VERTEXSHADER_H
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#define GCOGL_VERTEXSHADER_H
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#include <stdarg.h>
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#include "XFMemory.h"
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#include "VideoCommon.h"
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#include "ShaderGenCommon.h"
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#define SHADER_POSMTX_ATTRIB 1
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#define SHADER_NORM1_ATTRIB 6
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#define SHADER_NORM2_ATTRIB 7
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// shader variables
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#define I_POSNORMALMATRIX "cpnmtx"
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#define I_PROJECTION "cproj"
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#define I_MATERIALS "cmtrl"
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#define I_LIGHTS "clights"
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#define I_TEXMATRICES "ctexmtx"
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#define I_TRANSFORMMATRICES "ctrmtx"
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#define I_NORMALMATRICES "cnmtx"
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#define I_POSTTRANSFORMMATRICES "cpostmtx"
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#define I_DEPTHPARAMS "cDepth" // farZ, zRange, scaled viewport width, scaled viewport height
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#define C_POSNORMALMATRIX 0
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#define C_PROJECTION (C_POSNORMALMATRIX + 6)
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#define C_MATERIALS (C_PROJECTION + 4)
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#define C_LIGHTS (C_MATERIALS + 4)
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#define C_TEXMATRICES (C_LIGHTS + 40)
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#define C_TRANSFORMMATRICES (C_TEXMATRICES + 24)
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#define C_NORMALMATRICES (C_TRANSFORMMATRICES + 64)
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#define C_POSTTRANSFORMMATRICES (C_NORMALMATRICES + 32)
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#define C_DEPTHPARAMS (C_POSTTRANSFORMMATRICES + 64)
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#define C_VENVCONST_END (C_DEPTHPARAMS + 4)
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// TODO: Need packing?
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struct vertex_shader_uid_data
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{
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u32 components;
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u32 numColorChans : 2;
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u32 numTexGens : 4;
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struct {
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u32 projection : 1; // XF_TEXPROJ_X
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u32 inputform : 2; // XF_TEXINPUT_X
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u32 texgentype : 3; // XF_TEXGEN_X
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u32 sourcerow : 5; // XF_SRCGEOM_X
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u32 embosssourceshift : 3; // what generated texcoord to use
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u32 embosslightshift : 3; // light index that is used
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} texMtxInfo[8];
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struct {
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u32 index : 6; // base row of dual transform matrix
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u32 normalize : 1; // normalize before send operation
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} postMtxInfo[8];
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struct {
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u32 enabled : 1;
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} dualTexTrans;
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struct {
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u32 matsource : 1;
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u32 enablelighting : 1;
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u32 ambsource : 1;
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u32 diffusefunc : 2;
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u32 attnfunc : 2;
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u32 light_mask : 8;
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} lit_chans[4];
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};
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typedef ShaderUid<vertex_shader_uid_data> VertexShaderUid;
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typedef ShaderCode<vertex_shader_uid_data> VertexShaderCode;
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void GetVertexShaderUid(VertexShaderUid& object, u32 components, API_TYPE api_type);
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void GenerateVertexShaderCode(VertexShaderCode& object, u32 components, API_TYPE api_type);
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#endif // GCOGL_VERTEXSHADER_H
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