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Split shader code generation for lighting into a separate file. 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7088 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
donkopunchstania 2011-02-05 23:57:12 +00:00
parent 986cd817de
commit 35edf1b236
9 changed files with 248 additions and 341 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
Source/Core/VideoCommon/CMakeLists.txt
View File

@ -10,6 +10,7 @@ set(SRCS Src/BPFunctions.cpp
Src/HiresTextures.cpp Src/HiresTextures.cpp
Src/ImageWrite.cpp Src/ImageWrite.cpp
Src/IndexGenerator.cpp Src/IndexGenerator.cpp
Src/LightingShaderGen.cpp
Src/MainBase.cpp Src/MainBase.cpp
Src/OnScreenDisplay.cpp Src/OnScreenDisplay.cpp
Src/OpcodeDecoding.cpp Src/OpcodeDecoding.cpp

200
Source/Core/VideoCommon/Src/LightingShaderGen.cpp Normal file
View File

@ -0,0 +1,200 @@
// 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/
#include "LightingShaderGen.h"
#include "NativeVertexFormat.h"
#include "XFMemory.h"
#define WRITE p+=sprintf
// coloralpha - 1 if color, 2 if alpha
char *GenerateLightShader(char *p, int index, const LitChannel& chan, const char* lightsName, int coloralpha)
{
const char* swizzle = "xyzw";
if (coloralpha == 1 ) swizzle = "xyz";
else if (coloralpha == 2 ) swizzle = "w";
if (!(chan.attnfunc & 1)) {
// atten disabled
switch (chan.diffusefunc) {
case LIGHTDIF_NONE:
WRITE(p, "lacc.%s += %s.lights[%d].col.%s;\n", swizzle, lightsName, index, swizzle);
break;
case LIGHTDIF_SIGN:
case LIGHTDIF_CLAMP:
WRITE(p, "ldir = normalize(%s.lights[%d].pos.xyz - pos.xyz);\n", lightsName, index);
WRITE(p, "lacc.%s += %sdot(ldir, _norm0)) * %s.lights[%d].col.%s;\n",
swizzle, chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0f," :"(", lightsName, index, swizzle);
break;
default: _assert_(0);
}
}
else { // spec and spot
if (chan.attnfunc == 3)
{ // spot
WRITE(p, "ldir = %s.lights[%d].pos.xyz - pos.xyz;\n", lightsName, index);
WRITE(p, "dist2 = dot(ldir, ldir);\n"
"dist = sqrt(dist2);\n"
"ldir = ldir / dist;\n"
"attn = max(0.0f, dot(ldir, %s.lights[%d].dir.xyz));\n", lightsName, index);
WRITE(p, "attn = max(0.0f, dot(%s.lights[%d].cosatt.xyz, float3(1.0f, attn, attn*attn))) / dot(%s.lights[%d].distatt.xyz, float3(1.0f,dist,dist2));\n", lightsName, index, lightsName, index);
}
else if (chan.attnfunc == 1)
{ // specular
WRITE(p, "ldir = normalize(%s.lights[%d].pos.xyz);\n", lightsName, index);
WRITE(p, "attn = (dot(_norm0,ldir) >= 0.0f) ? max(0.0f, dot(_norm0, %s.lights[%d].dir.xyz)) : 0.0f;\n", lightsName, index);
WRITE(p, "attn = max(0.0f, dot(%s.lights[%d].cosatt.xyz, float3(1,attn,attn*attn))) / dot(%s.lights[%d].distatt.xyz, float3(1,attn,attn*attn));\n", lightsName, index, lightsName, index);
}
switch (chan.diffusefunc)
{
case LIGHTDIF_NONE:
WRITE(p, "lacc.%s += attn * %s.lights[%d].col.%s;\n", swizzle, lightsName, index, swizzle);
break;
case LIGHTDIF_SIGN:
case LIGHTDIF_CLAMP:
WRITE(p, "lacc.%s += attn * %sdot(ldir, _norm0)) * %s.lights[%d].col.%s;\n",
swizzle,
chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0f," :"(",
lightsName,
index,
swizzle);
break;
default: _assert_(0);
}
}
WRITE(p, "\n");
return p;
}
// vertex shader
// lights/colors
// materials name is I_MATERIALS in vs and I_PMATERIALS in ps
// inColorName is color in vs and colors_ in ps
// dest is o.colors_ in vs and colors_ in ps
char *GenerateLightingShader(char *p, int components, const char* materialsName, const char* lightsName, const char* inColorName, const char* dest)
{
for (unsigned int j = 0; j < xfregs.numChan.numColorChans; j++)
{
const LitChannel& color = xfregs.color[j];
const LitChannel& alpha = xfregs.alpha[j];
WRITE(p, "{\n");
if (color.matsource) {// from vertex
if (components & (VB_HAS_COL0 << j))
WRITE(p, "mat = %s%d;\n", inColorName, j);
else if (components & VB_HAS_COL0)
WRITE(p, "mat = %s0;\n", inColorName);
else
WRITE(p, "mat = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
}
else // from color
WRITE(p, "mat = %s.C%d;\n", materialsName, j+2);
if (color.enablelighting) {
if (color.ambsource) { // from vertex
if (components & (VB_HAS_COL0<<j) )
WRITE(p, "lacc = %s%d;\n", inColorName, j);
else if (components & VB_HAS_COL0 )
WRITE(p, "lacc = %s0;\n", inColorName);
else
WRITE(p, "lacc = float4(0.0f, 0.0f, 0.0f, 0.0f);\n");
}
else // from color
WRITE(p, "lacc = %s.C%d;\n", materialsName, j);
}
else
{
WRITE(p, "lacc = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
}
// check if alpha is different
if (alpha.matsource != color.matsource) {
if (alpha.matsource) {// from vertex
if (components & (VB_HAS_COL0<<j))
WRITE(p, "mat.w = %s%d.w;\n", inColorName, j);
else if (components & VB_HAS_COL0)
WRITE(p, "mat.w = %s0.w;\n", inColorName);
else WRITE(p, "mat.w = 1.0f;\n");
}
else // from color
WRITE(p, "mat.w = %s.C%d.w;\n", materialsName, j+2);
}
if (alpha.enablelighting)
{
if (alpha.ambsource) {// from vertex
if (components & (VB_HAS_COL0<<j) )
WRITE(p, "lacc.w = %s%d.w;\n", inColorName, j);
else if (components & VB_HAS_COL0 )
WRITE(p, "lacc.w = %s0.w;\n", inColorName);
else
WRITE(p, "lacc.w = 0.0f;\n");
}
else // from color
WRITE(p, "lacc.w = %s.C%d.w;\n", materialsName, j);
}
else
{
WRITE(p, "lacc.w = 1.0f;\n");
}
if(color.enablelighting && alpha.enablelighting)
{
// both have lighting, test if they use the same lights
int mask = 0;
if(color.lightparams == alpha.lightparams)
{
mask = color.GetFullLightMask() & alpha.GetFullLightMask();
if(mask)
{
for (int i = 0; i < 8; ++i)
{
if (mask & (1<<i))
p = GenerateLightShader(p, i, color, lightsName, 3);
}
}
}
// no shared lights
for (int i = 0; i < 8; ++i)
{
if (!(mask&(1<<i)) && (color.GetFullLightMask() & (1<<i)))
p = GenerateLightShader(p, i, color, lightsName, 1);
if (!(mask&(1<<i)) && (alpha.GetFullLightMask() & (1<<i)))
p = GenerateLightShader(p, i, alpha, lightsName, 2);
}
}
else if (color.enablelighting || alpha.enablelighting)
{
// lights are disabled on one channel so process only the active ones
const LitChannel& workingchannel = color.enablelighting ? color : alpha;
int coloralpha = color.enablelighting ? 1 : 2;
for (int i = 0; i < 8; ++i)
{
if (workingchannel.GetFullLightMask() & (1<<i))
p = GenerateLightShader(p, i, workingchannel, lightsName, coloralpha);
}
}
WRITE(p, "%s%d = mat * saturate(lacc);\n", dest, j);
WRITE(p, "}\n");
}
return p;
}

23
Source/Core/VideoCommon/Src/LightingShaderGen.h Normal file
View File

@ -0,0 +1,23 @@
// 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 _LIGHTINGSHADERGEN_H_
#define _LIGHTINGSHADERGEN_H_
char *GenerateLightingShader(char *p, int components, const char* materialsName, const char* lightsName, const char* inColorName, const char* dest);
#endif // _LIGHTINGSHADERGEN_H_

172
Source/Core/VideoCommon/Src/PixelShaderGen.cpp
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@ -20,6 +20,7 @@
#include <assert.h> #include <assert.h>
#include <locale.h> #include <locale.h>
#include "LightingShaderGen.h"
#include "PixelShaderGen.h" #include "PixelShaderGen.h"
#include "XFMemory.h" // for texture projection mode #include "XFMemory.h" // for texture projection mode
#include "BPMemory.h" #include "BPMemory.h"
@ -379,68 +380,6 @@ static void BuildSwapModeTable()
} }
} }
char *GeneratePixelLightShader(char *p, int index, const LitChannel& chan, const char *dest, int coloralpha)
{
const char* swizzle = "xyzw";
if (coloralpha == 1 ) swizzle = "xyz";
else if (coloralpha == 2 ) swizzle = "w";
if (!(chan.attnfunc & 1)) {
// atten disabled
switch (chan.diffusefunc) {
case LIGHTDIF_NONE:
WRITE(p, "%s.%s += "I_PLIGHTS".lights[%d].col.%s;\n", dest, swizzle, index, swizzle);
break;
case LIGHTDIF_SIGN:
case LIGHTDIF_CLAMP:
WRITE(p, "ldir = normalize("I_PLIGHTS".lights[%d].pos.xyz - pos.xyz);\n", index);
WRITE(p, "%s.%s += %sdot(ldir, _norm0)) * "I_PLIGHTS".lights[%d].col.%s;\n",
dest, swizzle, chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0f," :"(", index, swizzle);
break;
default: _assert_(0);
}
}
else { // spec and spot
if (chan.attnfunc == 3)
{ // spot
WRITE(p, "ldir = "I_PLIGHTS".lights[%d].pos.xyz - pos.xyz;\n", index);
WRITE(p, "dist2 = dot(ldir, ldir);\n"
"dist = sqrt(dist2);\n"
"ldir = ldir / dist;\n"
"attn = max(0.0f, dot(ldir, "I_PLIGHTS".lights[%d].dir.xyz));\n",index);
WRITE(p, "attn = max(0.0f, dot("I_PLIGHTS".lights[%d].cosatt.xyz, float3(1.0f, attn, attn*attn))) / dot("I_PLIGHTS".lights[%d].distatt.xyz, float3(1.0f,dist,dist2));\n", index, index);
}
else if (chan.attnfunc == 1)
{ // specular
WRITE(p, "ldir = normalize("I_PLIGHTS".lights[%d].pos.xyz);\n",index);
WRITE(p, "attn = (dot(_norm0,ldir) >= 0.0f) ? max(0.0f, dot(_norm0, "I_PLIGHTS".lights[%d].dir.xyz)) : 0.0f;\n", index);
WRITE(p, "attn = max(0.0f, dot("I_PLIGHTS".lights[%d].cosatt.xyz, float3(1,attn,attn*attn))) / dot("I_PLIGHTS".lights[%d].distatt.xyz, float3(1,attn,attn*attn));\n", index, index);
}
switch (chan.diffusefunc)
{
case LIGHTDIF_NONE:
WRITE(p, "%s.%s += attn * "I_PLIGHTS".lights[%d].col.%s;\n", dest, swizzle, index, swizzle);
break;
case LIGHTDIF_SIGN:
case LIGHTDIF_CLAMP:
WRITE(p, "%s.%s += attn * %sdot(ldir, _norm0)) * "I_PLIGHTS".lights[%d].col.%s;\n",
dest,
swizzle,
chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0f," :"(",
index,
swizzle);
break;
default: _assert_(0);
}
}
WRITE(p, "\n");
return p;
}
const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType, u32 components) const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType, u32 components)
{ {
setlocale(LC_NUMERIC, "C"); // Reset locale for compilation setlocale(LC_NUMERIC, "C"); // Reset locale for compilation
@ -606,113 +545,8 @@ const char *GeneratePixelShaderCode(DSTALPHA_MODE dstAlphaMode, API_TYPE ApiType
WRITE(p, "float4 mat, lacc;\n" WRITE(p, "float4 mat, lacc;\n"
"float3 ldir, h;\n" "float3 ldir, h;\n"
"float dist, dist2, attn;\n"); "float dist, dist2, attn;\n");
// lights/colors
for (unsigned int j = 0; j < xfregs.numChan.numColorChans; j++) p = GenerateLightingShader(p, components, I_PMATERIALS, I_PLIGHTS, "colors_", "colors_");
{
const LitChannel& color = xfregs.color[j];
const LitChannel& alpha = xfregs.alpha[j];
WRITE(p, "{\n");
if (color.matsource) {// from vertex
if (components & (VB_HAS_COL0 << j))
WRITE(p, "mat = colors_%d;\n", j);
else if (components & VB_HAS_COL0)
WRITE(p, "mat = colors_0;\n");
else
WRITE(p, "mat = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
}
else // from color
WRITE(p, "mat = "I_PMATERIALS".C%d;\n", j+2);
if (color.enablelighting) {
if (color.ambsource) { // from vertex
if (components & (VB_HAS_COL0<<j) )
WRITE(p, "lacc = colors_%d;\n", j);
else if (components & VB_HAS_COL0 )
WRITE(p, "lacc = colors_0;\n");
else
WRITE(p, "lacc = float4(0.0f, 0.0f, 0.0f, 0.0f);\n");
}
else // from color
WRITE(p, "lacc = "I_PMATERIALS".C%d;\n", j);
}
else
{
WRITE(p, "lacc = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
}
// check if alpha is different
if (alpha.matsource != color.matsource) {
if (alpha.matsource) {// from vertex
if (components & (VB_HAS_COL0<<j))
WRITE(p, "mat.w = colors_%d.w;\n", j);
else if (components & VB_HAS_COL0)
WRITE(p, "mat.w = colors_0.w;\n");
else WRITE(p, "mat.w = 1.0f;\n");
}
else // from color
WRITE(p, "mat.w = "I_PMATERIALS".C%d.w;\n", j+2);
}
if (alpha.enablelighting)
{
if (alpha.ambsource) {// from vertex
if (components & (VB_HAS_COL0<<j) )
WRITE(p, "lacc.w = colors_%d.w;\n", j);
else if (components & VB_HAS_COL0 )
WRITE(p, "lacc.w = colors_0.w;\n");
else
WRITE(p, "lacc.w = 0.0f;\n");
}
else // from color
WRITE(p, "lacc.w = "I_PMATERIALS".C%d.w;\n", j);
}
else
{
WRITE(p, "lacc.w = 1.0f;\n");
}
if(color.enablelighting && alpha.enablelighting)
{
// both have lighting, test if they use the same lights
int mask = 0;
if(color.lightparams == alpha.lightparams)
{
mask = color.GetFullLightMask() & alpha.GetFullLightMask();
if(mask)
{
for (int i = 0; i < 8; ++i)
{
if (mask & (1<<i))
p = GeneratePixelLightShader(p, i, color, "lacc", 3);
}
}
}
// no shared lights
for (int i = 0; i < 8; ++i)
{
if (!(mask&(1<<i)) && (color.GetFullLightMask() & (1<<i)))
p = GeneratePixelLightShader(p, i, color, "lacc", 1);
if (!(mask&(1<<i)) && (alpha.GetFullLightMask() & (1<<i)))
p = GeneratePixelLightShader(p, i, alpha, "lacc", 2);
}
}
else if (color.enablelighting || alpha.enablelighting)
{
// lights are disabled on one channel so process only the active ones
LitChannel workingchannel = color.enablelighting ? color : alpha;
int coloralpha = color.enablelighting ? 1 : 2;
for (int i = 0; i < 8; ++i)
{
if (workingchannel.GetFullLightMask() & (1<<i))
p = GeneratePixelLightShader(p, i, workingchannel, "lacc", coloralpha);
}
}
WRITE(p, "colors_%d = mat * saturate(lacc);\n", j);
WRITE(p, "}\n");
}
} }
if (numTexgen < 7) if (numTexgen < 7)

1
Source/Core/VideoCommon/Src/SConscript
View File

@ -14,6 +14,7 @@ files = [
'HiresTextures.cpp', 'HiresTextures.cpp',
'ImageWrite.cpp', 'ImageWrite.cpp',
'IndexGenerator.cpp', 'IndexGenerator.cpp',
'LightingShaderGen.cpp',
'MainBase.cpp', 'MainBase.cpp',
'OnScreenDisplay.cpp', 'OnScreenDisplay.cpp',
'OpcodeDecoding.cpp', 'OpcodeDecoding.cpp',

174
Source/Core/VideoCommon/Src/VertexShaderGen.cpp
View File

@ -22,6 +22,7 @@
#include "BPMemory.h" #include "BPMemory.h"
#include "CPMemory.h" #include "CPMemory.h"
#include "LightingShaderGen.h"
#include "VertexShaderGen.h" #include "VertexShaderGen.h"
#include "VideoConfig.h" #include "VideoConfig.h"
@ -72,10 +73,6 @@ static char text[16384];
#define WRITE p+=sprintf #define WRITE p+=sprintf
#define LIGHTS_POS ""
char *GenerateLightShader(char *p, int index, const LitChannel& chan, const char *dest, int coloralpha);
const char *GenerateVertexShaderCode(u32 components, API_TYPE api_type) const char *GenerateVertexShaderCode(u32 components, API_TYPE api_type)
{ {
setlocale(LC_NUMERIC, "C"); // Reset locale for compilation setlocale(LC_NUMERIC, "C"); // Reset locale for compilation
@ -238,113 +235,9 @@ const char *GenerateVertexShaderCode(u32 components, API_TYPE api_type)
else else
WRITE(p, "o.colors_0 = float4(1.0f, 1.0f, 1.0f, 1.0f);\n"); WRITE(p, "o.colors_0 = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
} }
// lights/colors
for (unsigned int j = 0; j < xfregs.numChan.numColorChans; j++) p = GenerateLightingShader(p, components, I_MATERIALS, I_LIGHTS, "color", "o.colors_");
{
const LitChannel& color = xfregs.color[j];
const LitChannel& alpha = xfregs.alpha[j];
WRITE(p, "{\n");
if (color.matsource) {// from vertex
if (components & (VB_HAS_COL0 << j))
WRITE(p, "mat = color%d;\n", j);
else if (components & VB_HAS_COL0)
WRITE(p, "mat = color0;\n");
else
WRITE(p, "mat = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
}
else // from color
WRITE(p, "mat = "I_MATERIALS".C%d;\n", j+2);
if (color.enablelighting) {
if (color.ambsource) { // from vertex
if (components & (VB_HAS_COL0<<j) )
WRITE(p, "lacc = color%d;\n", j);
else if (components & VB_HAS_COL0 )
WRITE(p, "lacc = color0;\n");
else
WRITE(p, "lacc = float4(0.0f, 0.0f, 0.0f, 0.0f);\n");
}
else // from color
WRITE(p, "lacc = "I_MATERIALS".C%d;\n", j);
}
else
{
WRITE(p, "lacc = float4(1.0f, 1.0f, 1.0f, 1.0f);\n");
}
// check if alpha is different
if (alpha.matsource != color.matsource) {
if (alpha.matsource) {// from vertex
if (components & (VB_HAS_COL0<<j))
WRITE(p, "mat.w = color%d.w;\n", j);
else if (components & VB_HAS_COL0)
WRITE(p, "mat.w = color0.w;\n");
else WRITE(p, "mat.w = 1.0f;\n");
}
else // from color
WRITE(p, "mat.w = "I_MATERIALS".C%d.w;\n", j+2);
}
if (alpha.enablelighting)
{
if (alpha.ambsource) {// from vertex
if (components & (VB_HAS_COL0<<j) )
WRITE(p, "lacc.w = color%d.w;\n", j);
else if (components & VB_HAS_COL0 )
WRITE(p, "lacc.w = color0.w;\n");
else
WRITE(p, "lacc.w = 0.0f;\n");
}
else // from color
WRITE(p, "lacc.w = "I_MATERIALS".C%d.w;\n", j);
}
else
{
WRITE(p, "lacc.w = 1.0f;\n");
}
if(color.enablelighting && alpha.enablelighting)
{
// both have lighting, test if they use the same lights
int mask = 0;
if(color.lightparams == alpha.lightparams)
{
mask = color.GetFullLightMask() & alpha.GetFullLightMask();
if(mask)
{
for (int i = 0; i < 8; ++i)
{
if (mask & (1<<i))
p = GenerateLightShader(p, i, color, "lacc", 3);
}
}
}
// no shared lights
for (int i = 0; i < 8; ++i)
{
if (!(mask&(1<<i)) && (color.GetFullLightMask() & (1<<i)))
p = GenerateLightShader(p, i, color, "lacc", 1);
if (!(mask&(1<<i)) && (alpha.GetFullLightMask() & (1<<i)))
p = GenerateLightShader(p, i, alpha, "lacc", 2);
}
}
else if (color.enablelighting || alpha.enablelighting)
{
// lights are disabled on one channel so process only the active ones
LitChannel workingchannel = color.enablelighting ? color : alpha;
int coloralpha = color.enablelighting ? 1 : 2;
for (int i = 0; i < 8; ++i)
{
if (workingchannel.GetFullLightMask() & (1<<i))
p = GenerateLightShader(p, i, workingchannel, "lacc", coloralpha);
}
}
WRITE(p, "o.colors_%d = mat * saturate(lacc);\n", j);
WRITE(p, "}\n");
}
if(xfregs.numChan.numColorChans < 2) if(xfregs.numChan.numColorChans < 2)
{ {
if (components & VB_HAS_COL1) if (components & VB_HAS_COL1)
@ -538,64 +431,3 @@ const char *GenerateVertexShaderCode(u32 components, API_TYPE api_type)
setlocale(LC_NUMERIC, ""); // restore locale setlocale(LC_NUMERIC, ""); // restore locale
return text; return text;
} }
// coloralpha - 1 if color, 2 if alpha
char *GenerateLightShader(char *p, int index, const LitChannel& chan, const char *dest, int coloralpha)
{
const char* swizzle = "xyzw";
if (coloralpha == 1 ) swizzle = "xyz";
else if (coloralpha == 2 ) swizzle = "w";
if (!(chan.attnfunc & 1)) {
// atten disabled
switch (chan.diffusefunc) {
case LIGHTDIF_NONE:
WRITE(p, "%s.%s += "I_LIGHTS".lights[%d].col.%s;\n", dest, swizzle, index, swizzle);
break;
case LIGHTDIF_SIGN:
case LIGHTDIF_CLAMP:
WRITE(p, "ldir = normalize("I_LIGHTS".lights[%d].pos.xyz - pos.xyz);\n", index);
WRITE(p, "%s.%s += %sdot(ldir, _norm0)) * "I_LIGHTS".lights[%d].col.%s;\n",
dest, swizzle, chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0f," :"(", index, swizzle);
break;
default: _assert_(0);
}
}
else { // spec and spot
if (chan.attnfunc == 3)
{ // spot
WRITE(p, "ldir = "I_LIGHTS".lights[%d].pos.xyz - pos.xyz;\n", index);
WRITE(p, "dist2 = dot(ldir, ldir);\n"
"dist = sqrt(dist2);\n"
"ldir = ldir / dist;\n"
"attn = max(0.0f, dot(ldir, "I_LIGHTS".lights[%d].dir.xyz));\n",index);
WRITE(p, "attn = max(0.0f, dot("I_LIGHTS".lights[%d].cosatt.xyz, float3(1.0f, attn, attn*attn))) / dot("I_LIGHTS".lights[%d].distatt.xyz, float3(1.0f,dist,dist2));\n", index, index);
}
else if (chan.attnfunc == 1)
{ // specular
WRITE(p, "ldir = normalize("I_LIGHTS".lights[%d].pos.xyz);\n",index);
WRITE(p, "attn = (dot(_norm0,ldir) >= 0.0f) ? max(0.0f, dot(_norm0, "I_LIGHTS".lights[%d].dir.xyz)) : 0.0f;\n", index);
WRITE(p, "attn = max(0.0f, dot("I_LIGHTS".lights[%d].cosatt.xyz, float3(1,attn,attn*attn))) / dot("I_LIGHTS".lights[%d].distatt.xyz, float3(1,attn,attn*attn));\n", index, index);
}
switch (chan.diffusefunc)
{
case LIGHTDIF_NONE:
WRITE(p, "%s.%s += attn * "I_LIGHTS".lights[%d].col.%s;\n", dest, swizzle, index, swizzle);
break;
case LIGHTDIF_SIGN:
case LIGHTDIF_CLAMP:
WRITE(p, "%s.%s += attn * %sdot(ldir, _norm0)) * "I_LIGHTS".lights[%d].col.%s;\n",
dest,
swizzle,
chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0f," :"(",
index,
swizzle);
break;
default: _assert_(0);
}
}
WRITE(p, "\n");
return p;
}

8
Source/Core/VideoCommon/VideoCommon.vcproj
View File

@ -435,6 +435,14 @@
<Filter <Filter
Name="Shader Generators" Name="Shader Generators"
> >
<File
RelativePath=".\Src\LightingShaderGen.cpp"
>
</File>
<File
RelativePath=".\Src\LightingShaderGen.h"
>
</File>
<File <File
RelativePath=".\Src\PixelShaderGen.cpp" RelativePath=".\Src\PixelShaderGen.cpp"
> >

2
Source/Core/VideoCommon/VideoCommon.vcxproj
View File

@ -246,6 +246,7 @@
<ClCompile Include="Src\HiresTextures.cpp" /> <ClCompile Include="Src\HiresTextures.cpp" />
<ClCompile Include="Src\ImageWrite.cpp" /> <ClCompile Include="Src\ImageWrite.cpp" />
<ClCompile Include="Src\IndexGenerator.cpp" /> <ClCompile Include="Src\IndexGenerator.cpp" />
<ClCompile Include="Src\LightingShaderGen.cpp" />
<ClCompile Include="Src\MainBase.cpp" /> <ClCompile Include="Src\MainBase.cpp" />
<ClCompile Include="Src\memcpy_amd.cpp" /> <ClCompile Include="Src\memcpy_amd.cpp" />
<ClCompile Include="Src\OnScreenDisplay.cpp" /> <ClCompile Include="Src\OnScreenDisplay.cpp" />
@ -290,6 +291,7 @@
<ClInclude Include="Src\HiresTextures.h" /> <ClInclude Include="Src\HiresTextures.h" />
<ClInclude Include="Src\ImageWrite.h" /> <ClInclude Include="Src\ImageWrite.h" />
<ClInclude Include="Src\IndexGenerator.h" /> <ClInclude Include="Src\IndexGenerator.h" />
<ClInclude Include="Src\LightingShaderGen.h" />
<ClInclude Include="Src\LookUpTables.h" /> <ClInclude Include="Src\LookUpTables.h" />
<ClInclude Include="Src\MainBase.h" /> <ClInclude Include="Src\MainBase.h" />
<ClInclude Include="Src\NativeVertexFormat.h" /> <ClInclude Include="Src\NativeVertexFormat.h" />

8
Source/Core/VideoCommon/VideoCommon.vcxproj.filters
View File

@ -116,6 +116,9 @@
<ClCompile Include="Src\VertexManagerBase.cpp"> <ClCompile Include="Src\VertexManagerBase.cpp">
<Filter>Base</Filter> <Filter>Base</Filter>
</ClCompile> </ClCompile>
<ClCompile Include="Src\LightingShaderGen.cpp">
<Filter>Shader Generators</Filter>
</ClCompile>
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ClInclude Include="Src\CommandProcessor.h" /> <ClInclude Include="Src\CommandProcessor.h" />
@ -240,6 +243,9 @@
<ClInclude Include="Src\VertexManagerBase.h"> <ClInclude Include="Src\VertexManagerBase.h">
<Filter>Base</Filter> <Filter>Base</Filter>
</ClInclude> </ClInclude>
<ClInclude Include="Src\LightingShaderGen.h">
<Filter>Shader Generators</Filter>
</ClInclude>
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<None Include="Src\SConscript" /> <None Include="Src\SConscript" />
@ -274,4 +280,4 @@
<UniqueIdentifier>{e2a527a2-ccc8-4ab8-a93e-dd2628c0f3b6}</UniqueIdentifier> <UniqueIdentifier>{e2a527a2-ccc8-4ab8-a93e-dd2628c0f3b6}</UniqueIdentifier>
</Filter> </Filter>
</ItemGroup> </ItemGroup>
</Project> </Project>