dolphin/Source/Plugins/Plugin_VideoDX9/Src/VertexShader.cpp
2008-12-08 05:25:12 +00:00

143 lines
3.3 KiB
C++

// 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/
#include "stdafx.h"
#include "D3DShader.h"
#include "VertexShader.h"
#include "BPStructs.h"
static const char *genericVS = "// Generic Vertex Shader\
\n\
struct VS_INPUT {\n\
float4 pos : POSITION;\n\
float3 normal : NORMAL;\n\
float4 colors[2] : COLOR0;\n\
float3 uv[8] : TEXCOORD0;\n\
};\n\
\n\
struct VS_OUTPUT {\n\
float4 pos : POSITION;\n\
float4 colors[2] : COLOR0;\n\
//numtexgen\n\
float4 uv[5] : TEXCOORD0;\n\
};\n\
\n\
uniform matrix matWorldViewProj : register(c0);\n\
\n\
VS_OUTPUT main(const VS_INPUT input)\n\
{\n\
VS_OUTPUT output;\n\
\n\
output.pos = mul(matWorldViewProj, input.pos);\n\
// texgen\n\
for (int i=0; i<5; i++)\n\
output.uv[i] = float4(input.uv[i].xyz,1);\n\
\n\
for (int i=0; i<2; i++)\n output.colors[i] = input.colors[i];\n\
return output;\n\
}\0";
const char *GenerateVertexShader() {
return genericVS;
}
/*
char text2[65536];
#define WRITE p+=sprintf
void WriteTexgen(char *&p, int n);
const char *GenerateVertexShader()
{
int numColors = 2;
int numUV = 8;
int numTexgen = bpmem.genMode.numtexgens;
int numNormals = 3;
bool fogEnable = false;
bool hasNormal = true;
char *p = text2;
WRITE(p,"//Vertex Shader\n");
WRITE(p,"//%i uv->%i texgens, %i colors\n",numUV,numTexgen,numColors);
WRITE(p,"\n");
WRITE(p,"struct VS_INPUT {\n");
WRITE(p," float4 pos : POSITION;\n");
WRITE(p," float3 normal : NORMAL;\n");
if (numColors)
WRITE(p," float4 colors[%i] : COLOR0;\n",numColors);
if (numUV)
WRITE(p," float3 uv[%i] : TEXCOORD0;\n",numUV);
WRITE(p,"};\n");
WRITE(p,"\n");
WRITE(p,"struct VS_OUTPUT {\n");
WRITE(p," float4 pos : POSITION;\n");
WRITE(p," float4 colors[%i] : COLOR0;\n",numColors);
if (numTexgen)
WRITE(p," float4 uv[%i] : TEXCOORD0;\n",numTexgen);
if (fogEnable)
WRITE(p," float fog : FOG;\n",numTexgen);
WRITE(p,"};\n");
WRITE(p,"\n");
WRITE(p,"uniform matrix matWorldViewProj : register(c0);\n");
WRITE(p,"\n");
WRITE(p,"VS_OUTPUT main(const VS_INPUT input)\n");
WRITE(p,"{\n");
WRITE(p," VS_OUTPUT output;");
WRITE(p,"\n");
WRITE(p," output.pos = mul(matWorldViewProj, input.pos);\n");
for (int i = 0; i < (int)bpmem.genMode.numtexgens; i++)
{
//build the equation for this stage
WriteTexgen(p,i);
}
WRITE(p," for (int i=0; i<2; i++)\n output.colors[i] = input.colors[i];\n");
//WRITE(p," output.fog = 0.0f;");
WRITE(p,"return output;\n");
WRITE(p,"}\n");
WRITE(p,"\0");
// MessageBox(0,text2,0,0);
return text2;
}
/*
* xform->vertexshader ideas
*//*
void WriteTexgen(char *&p, int n)
{
WRITE(p," output.uv[%i] = float4(input.uv[%i].xy,0,input.uv[%i].z);\n",n,n,n);
}
void WriteLight(int color, int component)
{
} */