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ShaderGen: Store light color uniforms as integers.

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This commit is contained in:
Tony Wasserka
2013-10-27 13:57:40 +01:00
parent 68e91f0d55
commit 4bf57565e8
8 changed files with 65 additions and 54 deletions
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32
Source/Core/VideoCommon/LightingShaderGen.h
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@ -9,19 +9,19 @@
#include "VideoCommon/XFMemory.h"
#define LIGHT_COL "%s[5*%d].%s"
#define LIGHT_COL_PARAMS(lightsName, index, swizzle) (lightsName), (index), (swizzle)
#define LIGHT_COL "(float4(%s[%d]).%s / 255.0)"
#define LIGHT_COL_PARAMS(lightsColName, index, swizzle) (lightsColName), (index), (swizzle)
#define LIGHT_COSATT "%s[5*%d+1]"
#define LIGHT_COSATT "%s[4*%d]"
#define LIGHT_COSATT_PARAMS(lightsName, index) (lightsName), (index)
#define LIGHT_DISTATT "%s[5*%d+2]"
#define LIGHT_DISTATT "%s[4*%d+1]"
#define LIGHT_DISTATT_PARAMS(lightsName, index) (lightsName), (index)
#define LIGHT_POS "%s[5*%d+3]"
#define LIGHT_POS "%s[4*%d+2]"
#define LIGHT_POS_PARAMS(lightsName, index) (lightsName), (index)
#define LIGHT_DIR "%s[5*%d+4]"
#define LIGHT_DIR "%s[4*%d+3]"
#define LIGHT_DIR_PARAMS(lightsName, index) (lightsName), (index)
/**
@ -39,7 +39,7 @@ struct LightingUidData
template<class T>
static void GenerateLightShader(T& object, LightingUidData& uid_data, int index, int litchan_index, const char* lightsName, int coloralpha)
static void GenerateLightShader(T& object, LightingUidData& uid_data, int index, int litchan_index, const char* lightsColName, const char* lightsName, int coloralpha)
{
const LitChannel& chan = (litchan_index > 1) ? xfregs.alpha[litchan_index-2] : xfregs.color[litchan_index];
const char* swizzle = "xyzw";
@ -56,13 +56,13 @@ static void GenerateLightShader(T& object, LightingUidData& uid_data, int index,
switch (chan.diffusefunc)
{
case LIGHTDIF_NONE:
object.Write("lacc.%s += " LIGHT_COL";\n", swizzle, LIGHT_COL_PARAMS(lightsName, index, swizzle));
object.Write("lacc.%s += " LIGHT_COL";\n", swizzle, LIGHT_COL_PARAMS(lightsColName, index, swizzle));
break;
case LIGHTDIF_SIGN:
case LIGHTDIF_CLAMP:
object.Write("ldir = normalize(" LIGHT_POS".xyz - pos.xyz);\n", LIGHT_POS_PARAMS(lightsName, index));
object.Write("lacc.%s += %sdot(ldir, _norm0)) * " LIGHT_COL";\n",
swizzle, chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0," :"(", LIGHT_COL_PARAMS(lightsName, index, swizzle));
swizzle, chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0," :"(", LIGHT_COL_PARAMS(lightsColName, index, swizzle));
break;
default: _assert_(0);
}
@ -94,14 +94,14 @@ static void GenerateLightShader(T& object, LightingUidData& uid_data, int index,
switch (chan.diffusefunc)
{
case LIGHTDIF_NONE:
object.Write("lacc.%s += attn * " LIGHT_COL";\n", swizzle, LIGHT_COL_PARAMS(lightsName, index, swizzle));
object.Write("lacc.%s += attn * " LIGHT_COL";\n", swizzle, LIGHT_COL_PARAMS(lightsColName, index, swizzle));
break;
case LIGHTDIF_SIGN:
case LIGHTDIF_CLAMP:
object.Write("lacc.%s += attn * %sdot(ldir, _norm0)) * " LIGHT_COL";\n",
swizzle,
chan.diffusefunc != LIGHTDIF_SIGN ? "max(0.0," :"(",
LIGHT_COL_PARAMS(lightsName, index, swizzle));
LIGHT_COL_PARAMS(lightsColName, index, swizzle));
break;
default: _assert_(0);
}
@ -115,7 +115,7 @@ static void GenerateLightShader(T& object, LightingUidData& uid_data, int index,
// inColorName is color in vs and colors_ in ps
// dest is o.colors_ in vs and colors_ in ps
template<class T>
static void GenerateLightingShader(T& object, LightingUidData& uid_data, int components, const char* materialsName, const char* lightsName, const char* inColorName, const char* dest)
static void GenerateLightingShader(T& object, LightingUidData& uid_data, int components, const char* materialsName, const char* lightsColName, const char* lightsName, const char* inColorName, const char* dest)
{
for (unsigned int j = 0; j < xfregs.numChan.numColorChans; j++)
{
@ -226,7 +226,7 @@ static void GenerateLightingShader(T& object, LightingUidData& uid_data, int com
{
if (mask & (1<<i))
{
GenerateLightShader<T>(object, uid_data, i, j, lightsName, 3);
GenerateLightShader<T>(object, uid_data, i, j, lightsColName, lightsName, 3);
}
}
}
@ -236,9 +236,9 @@ static void GenerateLightingShader(T& object, LightingUidData& uid_data, int com
for (int i = 0; i < 8; ++i)
{
if (!(mask&(1<<i)) && (color.GetFullLightMask() & (1<<i)))
GenerateLightShader<T>(object, uid_data, i, j, lightsName, 1);
GenerateLightShader<T>(object, uid_data, i, j, lightsColName, lightsName, 1);
if (!(mask&(1<<i)) && (alpha.GetFullLightMask() & (1<<i)))
GenerateLightShader<T>(object, uid_data, i, j+2, lightsName, 2);
GenerateLightShader<T>(object, uid_data, i, j+2, lightsColName, lightsName, 2);
}
}
else if (color.enablelighting || alpha.enablelighting)
@ -252,7 +252,7 @@ static void GenerateLightingShader(T& object, LightingUidData& uid_data, int com
for (int i = 0; i < 8; ++i)
{
if (workingchannel.GetFullLightMask() & (1<<i))
GenerateLightShader<T>(object, uid_data, i, lit_index, lightsName, coloralpha);
GenerateLightShader<T>(object, uid_data, i, lit_index, lightsColName, lightsName, coloralpha);
}
}
object.Write("%s%d = mat * clamp(lacc, 0.0, 1.0);\n", dest, j);