public void WriteAlphaTest(PSGRENDER_MODE mode)
{
// using discard then return works the same in cg and dx9 but not in dx11
w("if(!(");
int comp0index = (int)_alphaFunc.Comp0 % 8;
int comp1index = (int)_alphaFunc.Comp1 % 8;
w(tevAlphaFuncsTable[comp0index] + "{1}" + tevAlphaFuncsTable[comp1index].Replace("{0}", "{2}"), alphaRef[0], tevAlphaFunclogicTable[(int)_alphaFunc.Logic % 4], alphaRef[1]);//lookup the first component from the alpha function table
w("))\n{\n");
w("ocol0 = vec4(0.0, 0.0, 0.0, 0.0);\n");
if (mode == PSGRENDER_MODE.PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
{
w("ocol1 = vec4(0.0, 0.0, 0.0, 0.0);\n");
}
if (DepthTextureEnable)
{
w("depth = 1.f;\n");
}
// HAXX: zcomploc is a way to control whether depth test is done before
// or after texturing and alpha test. PC GPU does depth test before texturing ONLY if depth value is
// not updated during shader execution.
// We implement "depth test before texturing" by discarding the fragment
// when the alpha test fail. This is not a correct implementation because
// even if the depth test fails the fragment could be alpha blended.
// this implemnetation is a trick to keep speed.
// the correct, but slow, way to implement a correct zComploc is :
// 1 - if zcomplock is enebled make a first pass, with color channel write disabled updating only
// depth channel.
// 2 - in the next pass disable depth chanel update, but proccess the color data normally
// this way is the only CORRECT way to emulate perfectly the zcomplock behaviour
if (!(ZCompareLoc && EnableDepthUpdate))
{
w("discard;\n");
w("return;\n");
}
w("}\n");
}
public void WriteAlphaTest(PSGRENDER_MODE mode)
{
// using discard then return works the same in cg and dx9 but not in dx11
w("if(!(");
int comp0index = (int)_alphaFunc.Comp0 % 8;
int comp1index = (int)_alphaFunc.Comp1 % 8;
w(tevAlphaFuncsTable[comp0index] + "{1}" + tevAlphaFuncsTable[comp1index].Replace("{0}", "{2}"), alphaRef[0], tevAlphaFunclogicTable[(int)_alphaFunc.Logic % 4], alphaRef[1]);//lookup the first component from the alpha function table
w("))\n{\n");
w("ocol0 = vec4(0.0, 0.0, 0.0, 0.0);\n");
if (mode == PSGRENDER_MODE.PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
w("ocol1 = vec4(0.0, 0.0, 0.0, 0.0);\n");
if (DepthTextureEnable)
w("depth = 1.f;\n");
// HAXX: zcomploc is a way to control whether depth test is done before
// or after texturing and alpha test. PC GPU does depth test before texturing ONLY if depth value is
// not updated during shader execution.
// We implement "depth test before texturing" by discarding the fragment
// when the alpha test fail. This is not a correct implementation because
// even if the depth test fails the fragment could be alpha blended.
// this implemnetation is a trick to keep speed.
// the correct, but slow, way to implement a correct zComploc is :
// 1 - if zcomplock is enebled make a first pass, with color channel write disabled updating only
// depth channel.
// 2 - in the next pass disable depth chanel update, but proccess the color data normally
// this way is the only CORRECT way to emulate perfectly the zcomplock behaviour
if (!(ZCompareLoc && EnableDepthUpdate))
{
w("discard;\n");
w("return;\n");
}
w("}\n");
}
public string GeneratePixelShaderCode(MDL0ObjectNode Object, PSGRENDER_MODE PSGRenderMode, TKContext ctx)
{
tempShader = "";
int numStages = ShaderNode.Children.Count;
int numTexgen = Children.Count;
w("//Pixel Shader for TEV stages\n");
w("//{0} TEV stages, {1} texgens, {2} IND stages\n", numStages, numTexgen, IndirectShaderStages);
int nIndirectStagesUsed = 0;
if (IndirectShaderStages > 0)
for (int i = 0; i < numStages; ++i)
{
TEVStage stage = ShaderNode.Children[i] as TEVStage;
if (stage.IndirectActive && stage.bt < IndirectShaderStages)
nIndirectStagesUsed |= 1 << stage.bt;
}
DepthTextureEnable = (/*bpmem.ztex2.op != ZTEXTURE_DISABLE && */!ZCompareLoc && EnableDepthTest && EnableDepthUpdate)/* || g_ActiveConfig.bEnablePerPixelDepth*/;
//A few required defines and ones that will make our lives a lot easier
if (ctx.bSupportsGLSLBinding || ctx.bSupportsGLSLUBO)
{
w("#version 330 compatibility\n");
if (ctx.bSupportsGLSLBinding)
w("#extension GL_ARB_shading_language_420pack : enable\n");
//if (ctx.bSupportsGLSLUBO)
// w("#extension GL_ARB_uniform_buffer_object : enable\n");
}
else
w("#version 120\n");
if (ctx.bSupportsGLSLATTRBind)
w("#extension GL_ARB_explicit_attrib_location : enable\n");
w("#define saturate(x) clamp(x, 0.0f, 1.0f)\n");
w("#define lerp(x, y, z) mix(x, y, z)\n");
w("float fmod(float x, float y)\n");
w("{\n");
w("float z = fract(abs(x / y)) * abs(y);\n");
w("return (x < 0) ? -z : z;\n");
w("}\n");
for (uint i = 0; i < 8; i++)
w("{0}uniform sampler2D samp{1};\n", WriteBinding(i, ctx), i);
w("\n");
w("uniform vec4 " + I_COLORS + "[4];\n");
w("uniform vec4 " + I_KCOLORS + "[4];\n");
w("uniform vec4 " + I_ALPHA + ";\n");
w("uniform vec4 " + I_TEXDIMS + "[8];\n");
w("uniform vec4 " + I_ZBIAS + "[2];\n");
w("uniform vec4 " + I_INDTEXSCALE + "[2];\n");
w("uniform vec4 " + I_INDTEXMTX + "[6];\n");
w("uniform vec4 " + I_FOG + "[3];\n");
// Compiler will optimize these out by itself.
w("uniform vec4 " + I_PLIGHTS + "[40];\n");
w("uniform vec4 " + I_PMATERIALS + "[4];\n");
w("vec4 ocol0;\n");
if (DepthTextureEnable)
w("float depth;\n");
w("vec4 rawpos = gl_FragCoord;\n");
w("vec4 colors_0 = gl_Color;\n");
w("vec4 colors_1 = gl_SecondaryColor;\n");
if (numTexgen < 7)
{
for (int i = 0; i < numTexgen; i++)
w("vec3 uv{0} = gl_TexCoord[{0}].xyz;\n", i);
w("vec4 clipPos = gl_TexCoord[{0}];\n", numTexgen);
w("vec4 Normal = gl_TexCoord[{0}];\n", numTexgen + 1);
}
else
for (int i = 0; i < 8; ++i)
w("vec4 uv{0} = gl_TexCoord[{0}];\n", i);
w("void main()\n{\n");
AlphaPretest Pretest = PretestAlpha();
//if (PSGRenderMode == PSGRENDER_MODE.PSGRENDER_DSTALPHA_ALPHA_PASS && !DepthTextureEnable && Pretest >= 0)
//{
// if (Pretest == AlphaPretest.AlwaysFail)
// {
// w("ocol0 = vec4(0);\n");
// w("discard;\n");
// if(PSGRenderMode != PSGRENDER_MODE.PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
// w("gl_FragColor = ocol0;\n");
// w("return;\n");
// }
// else
// w("ocol0 = " + I_ALPHA + ".aaaa;\n");
// w("}\n");
// return tempShader;
//}
w("vec4 c0 = " + I_COLORS + "[1], c1 = " + I_COLORS + "[2], c2 = " + I_COLORS + "[3], prev = vec4(0.0f, 0.0f, 0.0f, 0.0f), textemp = vec4(0.0f, 0.0f, 0.0f, 0.0f), rastemp = vec4(0.0f, 0.0f, 0.0f, 0.0f), konsttemp = vec4(0.0f, 0.0f, 0.0f, 0.0f);\n");
w("vec3 comp16 = vec3(1.0f, 255.0f, 0.0f), comp24 = vec3(1.0f, 255.0f, 255.0f*255.0f);\n");
w("vec4 alphabump = vec4(0.0f,0.0f,0.0f,0.0f);\n");
w("vec3 tevcoord = vec3(0.0f, 0.0f, 0.0f);\n");
w("vec2 wrappedcoord=vec2(0.0f,0.0f), tempcoord=vec2(0.0f,0.0f);\n");
w("vec4 cc0 = vec4(0.0f,0.0f,0.0f,0.0f), cc1 = vec4(0.0f,0.0f,0.0f,0.0f);\n");
w("vec4 cc2 = vec4(0.0f,0.0f,0.0f,0.0f), cprev = vec4(0.0f,0.0f,0.0f,0.0f);\n");
w("vec4 crastemp=vec4(0.0f,0.0f,0.0f,0.0f), ckonsttemp = vec4(0.0f,0.0f,0.0f,0.0f);\n\n");
if (Children.Count < 7)
{
w("vec3 _norm0 = normalize(Normal.xyz);\n\n");
w("vec3 pos = vec3(clipPos.x,clipPos.y,Normal.w);\n");
}
else
{
w("vec3 _norm0 = normalize(vec3(uv4.w,uv5.w,uv6.w));\n\n");
w("vec3 pos = vec3(uv0.w,uv1.w,uv7.w);\n");
}
w("vec4 mat, lacc;\nvec3 ldir, h;\nfloat dist, dist2, attn;\n");
Object.tabs = tabs;
tempShader += Object.GenerateLightingShader(I_PMATERIALS, I_PLIGHTS, "colors_", "colors_");
//if (numTexgen < 7)
// w("clipPos = vec4(rawpos.x, rawpos.y, clipPos.z, clipPos.w);\n");
//else
// w("vec4 clipPos = vec4(rawpos.x, rawpos.y, uv2.w, uv3.w);\n");
// HACK to handle cases where the tex gen is not enabled
if (numTexgen == 0)
w("vec3 uv0 = vec3(0.0f, 0.0f, 0.0f);\n");
else
{
for (int i = 0; i < numTexgen; ++i)
{
// optional perspective divides
if (((MDL0MaterialRefNode)Children[i]).Projection == TexProjection.STQ)
{
w("if (uv{0}.z != 0.0f)\n", i);
w(" uv{0}.xy = uv{0}.xy / uv{0}.z;\n", i);
}
//w("uv{0}.xy = uv{0}.xy * "+I_TEXDIMS+"[{0}].zw;\n", i);
}
}
for (int i = 0; i < IndirectShaderStages; i++)
{
if ((nIndirectStagesUsed & (1 << i)) != 0)
{
uint texcoord = (ShaderNode._swapBlock._Value16.Value >> ((i + 1) * 3) & 7);
if (texcoord < numTexgen)
w("tempcoord = uv{0}.xy * " + I_INDTEXSCALE + "[{1}].{2};\n", texcoord, i / 2, (i & 1) != 0 ? "zw" : "xy");
else
w("tempcoord = vec2(0.0f, 0.0f);\n");
SampleTexture(String.Format("vec3 indtex{0}", i), "tempcoord", "abg", (ShaderNode._swapBlock._Value16.Value >> (i * 3) & 7));
}
}
foreach (TEVStage stage in ShaderNode.Children)
if (stage.Index < ActiveShaderStages)
w(stage.Write(this, Object));
else break;
if (numStages > 0)
{
w("prev.rgb = {0};\n", tevCOutputTable[(int)((TEVStage)ShaderNode.Children[numStages - 1]).ColorRegister]);
w("prev.a = {0};\n", tevAOutputTable[(int)((TEVStage)ShaderNode.Children[numStages - 1]).AlphaRegister]);
}
// emulation of unsigned 8 overflow when casting
//w("prev = fract(4.0f + prev * (255.0f/256.0f)) * (256.0f/255.0f);\n");
if (Pretest == AlphaPretest.AlwaysFail)
{
w("ocol0 = vec4(0.0f);\n");
//if (DepthTextureEnable)
// w("depth = 1.0f;\n");
//if (PSGRenderMode == PSGRENDER_MODE.PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
// w("ocol1 = vec4(0.0f);\n");
//else
w("gl_FragColor = ocol0;\n");
if (DepthTextureEnable)
w("gl_FragDepth = depth;\n");
w("discard;\n");
w("return;\n");
}
else
{
if (Pretest != AlphaPretest.AlwaysPass)
WriteAlphaTest(PSGRenderMode);
//if (_fog != null && (_fog.Type != 0) || DepthTextureEnable)
//{
// // the screen space depth value = far z + (clip z / clip w) * z range
// w("float zCoord = " + I_ZBIAS + "[1].x + (clipPos.z / clipPos.w) * " + I_ZBIAS + "[1].y;\n");
//}
//if (DepthTextureEnable)
//{
// // use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format...
// if (/*bpmem.ztex2.op != ZTEXTURE_DISABLE && */!ZCompLoc && EnableDepthTest && EnableDepthUpdate)
// {
// //if (bpmem.ztex2.op == ZTEXTURE_ADD)
// // Write("zCoord = dot("+I_ZBIAS+"[0].xyzw, textemp.xyzw) + "+I_ZBIAS+"[1].w + zCoord;\n");
// //else
// w("zCoord = dot(" + I_ZBIAS + "[0].xyzw, textemp.xyzw) + " + I_ZBIAS + "[1].w;\n");
// // scale to make result from frac correct
// w("zCoord = zCoord * (16777215.0f/16777216.0f);\n");
// w("zCoord = fract(zCoord);\n");
// w("zCoord = zCoord * (16777216.0f/16777215.0f);\n");
// }
// w("depth = zCoord;\n");
//}
//if (PSGRenderMode == PSGRENDER_MODE.PSGRENDER_DSTALPHA_ALPHA_PASS)
// w("ocol0 = vec4(prev.rgb, " + I_ALPHA + ".a);\n");
//else
{
WriteFog();
w("ocol0 = prev;\n");
}
//if (PSGRenderMode == PSGRENDER_MODE.PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
//{
// w("ocol1 = ocol0;\n");
// w("ocol0.a = " + I_ALPHA + ".a;\n");
//}
//if (DepthTextureEnable)
// w("gl_FragDepth = depth;\n");
//if (PSGRenderMode != PSGRENDER_MODE.PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
w("gl_FragColor = ocol0;\n");
}
w("}\n");
return tempShader;
}
public string GeneratePixelShaderCode(MDL0ObjectNode Object, PSGRENDER_MODE PSGRenderMode, TKContext ctx)
{
tempShader = "";
int numStages = ShaderNode.Children.Count;
int numTexgen = Children.Count;
w("//Pixel Shader for TEV stages\n");
w("//{0} TEV stages, {1} texgens, {2} IND stages\n", numStages, numTexgen, IndirectShaderStages);
int nIndirectStagesUsed = 0;
if (IndirectShaderStages > 0)
{
for (int i = 0; i < numStages; ++i)
{
TEVStage stage = ShaderNode.Children[i] as TEVStage;
if (stage.IndirectActive && stage.bt < IndirectShaderStages)
{
nIndirectStagesUsed |= 1 << stage.bt;
}
}
}
DepthTextureEnable = (/*bpmem.ztex2.op != ZTEXTURE_DISABLE && */ !ZCompareLoc && EnableDepthTest && EnableDepthUpdate) /* || g_ActiveConfig.bEnablePerPixelDepth*/;
//A few required defines and ones that will make our lives a lot easier
if (ctx.bSupportsGLSLBinding || ctx.bSupportsGLSLUBO)
{
w("#version 330 compatibility\n");
if (ctx.bSupportsGLSLBinding)
{
w("#extension GL_ARB_shading_language_420pack : enable\n");
}
//if (ctx.bSupportsGLSLUBO)
// w("#extension GL_ARB_uniform_buffer_object : enable\n");
}
else
{
w("#version 120\n");
}
if (ctx.bSupportsGLSLATTRBind)
{
w("#extension GL_ARB_explicit_attrib_location : enable\n");
}
w("#define saturate(x) clamp(x, 0.0f, 1.0f)\n");
w("#define lerp(x, y, z) mix(x, y, z)\n");
w("float fmod(float x, float y)\n");
w("{\n");
w("float z = fract(abs(x / y)) * abs(y);\n");
w("return (x < 0) ? -z : z;\n");
w("}\n");
for (uint i = 0; i < 8; i++)
{
w("{0}uniform sampler2D samp{1};\n", WriteBinding(i, ctx), i);
}
w("\n");
w("uniform vec4 " + I_COLORS + "[4];\n");
w("uniform vec4 " + I_KCOLORS + "[4];\n");
w("uniform vec4 " + I_ALPHA + ";\n");
w("uniform vec4 " + I_TEXDIMS + "[8];\n");
w("uniform vec4 " + I_ZBIAS + "[2];\n");
w("uniform vec4 " + I_INDTEXSCALE + "[2];\n");
w("uniform vec4 " + I_INDTEXMTX + "[6];\n");
w("uniform vec4 " + I_FOG + "[3];\n");
// Compiler will optimize these out by itself.
w("uniform vec4 " + I_PLIGHTS + "[40];\n");
w("uniform vec4 " + I_PMATERIALS + "[4];\n");
w("vec4 ocol0;\n");
if (DepthTextureEnable)
{
w("float depth;\n");
}
w("vec4 rawpos = gl_FragCoord;\n");
w("vec4 colors_0 = gl_Color;\n");
w("vec4 colors_1 = gl_SecondaryColor;\n");
if (numTexgen < 7)
{
for (int i = 0; i < numTexgen; i++)
{
w("vec3 uv{0} = gl_TexCoord[{0}].xyz;\n", i);
}
w("vec4 clipPos = gl_TexCoord[{0}];\n", numTexgen);
w("vec4 Normal = gl_TexCoord[{0}];\n", numTexgen + 1);
}
else
{
for (int i = 0; i < 8; ++i)
{
w("vec4 uv{0} = gl_TexCoord[{0}];\n", i);
}
}
w("void main()\n{\n");
AlphaPretest Pretest = PretestAlpha();
//if (PSGRenderMode == PSGRENDER_MODE.PSGRENDER_DSTALPHA_ALPHA_PASS && !DepthTextureEnable && Pretest >= 0)
//{
// if (Pretest == AlphaPretest.AlwaysFail)
// {
// w("ocol0 = vec4(0);\n");
// w("discard;\n");
// if(PSGRenderMode != PSGRENDER_MODE.PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
// w("gl_FragColor = ocol0;\n");
// w("return;\n");
// }
// else
// w("ocol0 = " + I_ALPHA + ".aaaa;\n");
// w("}\n");
// return tempShader;
//}
w("vec4 c0 = " + I_COLORS + "[1], c1 = " + I_COLORS + "[2], c2 = " + I_COLORS + "[3], prev = vec4(0.0f, 0.0f, 0.0f, 0.0f), textemp = vec4(0.0f, 0.0f, 0.0f, 0.0f), rastemp = vec4(0.0f, 0.0f, 0.0f, 0.0f), konsttemp = vec4(0.0f, 0.0f, 0.0f, 0.0f);\n");
w("vec3 comp16 = vec3(1.0f, 255.0f, 0.0f), comp24 = vec3(1.0f, 255.0f, 255.0f*255.0f);\n");
w("vec4 alphabump = vec4(0.0f,0.0f,0.0f,0.0f);\n");
w("vec3 tevcoord = vec3(0.0f, 0.0f, 0.0f);\n");
w("vec2 wrappedcoord=vec2(0.0f,0.0f), tempcoord=vec2(0.0f,0.0f);\n");
w("vec4 cc0 = vec4(0.0f,0.0f,0.0f,0.0f), cc1 = vec4(0.0f,0.0f,0.0f,0.0f);\n");
w("vec4 cc2 = vec4(0.0f,0.0f,0.0f,0.0f), cprev = vec4(0.0f,0.0f,0.0f,0.0f);\n");
w("vec4 crastemp=vec4(0.0f,0.0f,0.0f,0.0f), ckonsttemp = vec4(0.0f,0.0f,0.0f,0.0f);\n\n");
if (Children.Count < 7)
{
w("vec3 _norm0 = normalize(Normal.xyz);\n\n");
w("vec3 pos = vec3(clipPos.x,clipPos.y,Normal.w);\n");
}
else
{
w("vec3 _norm0 = normalize(vec3(uv4.w,uv5.w,uv6.w));\n\n");
w("vec3 pos = vec3(uv0.w,uv1.w,uv7.w);\n");
}
w("vec4 mat, lacc;\nvec3 ldir, h;\nfloat dist, dist2, attn;\n");
Object.tabs = tabs;
tempShader += Object.GenerateLightingShader(I_PMATERIALS, I_PLIGHTS, "colors_", "colors_");
//if (numTexgen < 7)
// w("clipPos = vec4(rawpos.x, rawpos.y, clipPos.z, clipPos.w);\n");
//else
// w("vec4 clipPos = vec4(rawpos.x, rawpos.y, uv2.w, uv3.w);\n");
// HACK to handle cases where the tex gen is not enabled
if (numTexgen == 0)
{
w("vec3 uv0 = vec3(0.0f, 0.0f, 0.0f);\n");
}
else
{
for (int i = 0; i < numTexgen; ++i)
{
// optional perspective divides
if (((MDL0MaterialRefNode)Children[i]).Projection == TexProjection.STQ)
{
w("if (uv{0}.z != 0.0f)\n", i);
w(" uv{0}.xy = uv{0}.xy / uv{0}.z;\n", i);
}
//w("uv{0}.xy = uv{0}.xy * "+I_TEXDIMS+"[{0}].zw;\n", i);
}
}
for (int i = 0; i < IndirectShaderStages; i++)
{
if ((nIndirectStagesUsed & (1 << i)) != 0)
{
uint texcoord = (ShaderNode._swapBlock._Value16.Value >> ((i + 1) * 3) & 7);
if (texcoord < numTexgen)
{
w("tempcoord = uv{0}.xy * " + I_INDTEXSCALE + "[{1}].{2};\n", texcoord, i / 2, (i & 1) != 0 ? "zw" : "xy");
}
else
{
w("tempcoord = vec2(0.0f, 0.0f);\n");
}
SampleTexture(String.Format("vec3 indtex{0}", i), "tempcoord", "abg", (ShaderNode._swapBlock._Value16.Value >> (i * 3) & 7));
}
}
foreach (TEVStage stage in ShaderNode.Children)
{
if (stage.Index < ActiveShaderStages)
{
w(stage.Write(this, Object));
}
else
{
break;
}
}
if (numStages > 0)
{
w("prev.rgb = {0};\n", tevCOutputTable[(int)((TEVStage)ShaderNode.Children[numStages - 1]).ColorRegister]);
w("prev.a = {0};\n", tevAOutputTable[(int)((TEVStage)ShaderNode.Children[numStages - 1]).AlphaRegister]);
}
// emulation of unsigned 8 overflow when casting
//w("prev = fract(4.0f + prev * (255.0f/256.0f)) * (256.0f/255.0f);\n");
if (Pretest == AlphaPretest.AlwaysFail)
{
w("ocol0 = vec4(0.0f);\n");
//if (DepthTextureEnable)
// w("depth = 1.0f;\n");
//if (PSGRenderMode == PSGRENDER_MODE.PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
// w("ocol1 = vec4(0.0f);\n");
//else
w("gl_FragColor = ocol0;\n");
if (DepthTextureEnable)
{
w("gl_FragDepth = depth;\n");
}
w("discard;\n");
w("return;\n");
}
else
{
if (Pretest != AlphaPretest.AlwaysPass)
{
WriteAlphaTest(PSGRenderMode);
}
//if (_fog != null && (_fog.Type != 0) || DepthTextureEnable)
//{
// // the screen space depth value = far z + (clip z / clip w) * z range
// w("float zCoord = " + I_ZBIAS + "[1].x + (clipPos.z / clipPos.w) * " + I_ZBIAS + "[1].y;\n");
//}
//if (DepthTextureEnable)
//{
// // use the texture input of the last texture stage (textemp), hopefully this has been read and is in correct format...
// if (/*bpmem.ztex2.op != ZTEXTURE_DISABLE && */!ZCompLoc && EnableDepthTest && EnableDepthUpdate)
// {
// //if (bpmem.ztex2.op == ZTEXTURE_ADD)
// // Write("zCoord = dot("+I_ZBIAS+"[0].xyzw, textemp.xyzw) + "+I_ZBIAS+"[1].w + zCoord;\n");
// //else
// w("zCoord = dot(" + I_ZBIAS + "[0].xyzw, textemp.xyzw) + " + I_ZBIAS + "[1].w;\n");
// // scale to make result from frac correct
// w("zCoord = zCoord * (16777215.0f/16777216.0f);\n");
// w("zCoord = fract(zCoord);\n");
// w("zCoord = zCoord * (16777216.0f/16777215.0f);\n");
// }
// w("depth = zCoord;\n");
//}
//if (PSGRenderMode == PSGRENDER_MODE.PSGRENDER_DSTALPHA_ALPHA_PASS)
// w("ocol0 = vec4(prev.rgb, " + I_ALPHA + ".a);\n");
//else
{
WriteFog();
w("ocol0 = prev;\n");
}
//if (PSGRenderMode == PSGRENDER_MODE.PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
//{
// w("ocol1 = ocol0;\n");
// w("ocol0.a = " + I_ALPHA + ".a;\n");
//}
//if (DepthTextureEnable)
// w("gl_FragDepth = depth;\n");
//if (PSGRenderMode != PSGRENDER_MODE.PSGRENDER_DSTALPHA_DUAL_SOURCE_BLEND)
w("gl_FragColor = ocol0;\n");
}
w("}\n");
return(tempShader);
}
