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Implement CWorldShadow and texture clamp mode

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This commit is contained in:
Jack Andersen
2017-09-30 18:26:46 -10:00
parent 484a4900a0
commit 30ae347420
38 changed files with 915 additions and 110 deletions
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69
Runtime/Graphics/Shaders/CModelShadersMetal.cpp
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@@ -30,7 +30,7 @@ static const char* LightingMetal =
" Fog fog;\n"
"};\n"
"\n"
"static float4 LightingFunc(constant LightingUniform& lu, float4 mvPosIn, float4 mvNormIn)\n"
"static float4 LightingFunc(constant LightingUniform& lu, float4 mvPosIn, float4 mvNormIn, thread VertToFrag& vtf)\n"
"{\n"
" float4 ret = lu.ambient;\n"
" \n"
@@ -51,6 +51,67 @@ static const char* LightingMetal =
" return saturate(ret);\n"
"}\n";
static const char* LightingShadowMetal =
"struct Light\n"
"{\n"
" float4 pos;\n"
" float4 dir;\n"
" float4 color;\n"
" float4 linAtt;\n"
" float4 angAtt;\n"
"};\n"
"struct Fog\n"
"{\n"
" float4 color;\n"
" float rangeScale;\n"
" float start;\n"
"};\n"
"\n"
"struct LightingUniform\n"
"{\n"
" Light lights[" _XSTR(URDE_MAX_LIGHTS) "];\n"
" float4 ambient;\n"
" float4 colorReg0;\n"
" float4 colorReg1;\n"
" float4 colorReg2;\n"
" float4 mulColor;\n"
" Fog fog;\n"
"};\n"
"\n"
"static float4 EXTLightingShadowFunc(constant LightingUniform& lu, float4 mvPosIn, float4 mvNormIn,\n"
" thread VertToFrag& vtf, texture2d<float> extTex0)\n"
"{\n"
" float4 ret = lu.ambient;\n"
" \n"
" float3 delta = mvPosIn.xyz - lu.lights[i].pos.xyz;\n"
" float dist = length(delta);\n"
" float angDot = saturate(dot(normalize(delta), lu.lights[i].dir.xyz));\n"
" float att = 1.0 / (lu.lights[i].linAtt[2] * dist * dist +\n"
" lu.lights[i].linAtt[1] * dist +\n"
" lu.lights[i].linAtt[0]);\n"
" float angAtt = lu.lights[i].angAtt[2] * angDot * angDot +\n"
" lu.lights[i].angAtt[1] * angDot +\n"
" lu.lights[i].angAtt[0];\n"
" ret += lu.lights[i].color * saturate(angAtt) * att * saturate(dot(normalize(-delta), mvNormIn.xyz)) *\n"
" extTex0.sample(clampSamp, vtf.extTcgs0);\n"
" \n"
" for (int i=1 ; i<" _XSTR(URDE_MAX_LIGHTS) " ; ++i)\n"
" {\n"
" float3 delta = mvPosIn.xyz - lu.lights[i].pos.xyz;\n"
" float dist = length(delta);\n"
" float angDot = saturate(dot(normalize(delta), lu.lights[i].dir.xyz));\n"
" float att = 1.0 / (lu.lights[i].linAtt[2] * dist * dist +\n"
" lu.lights[i].linAtt[1] * dist +\n"
" lu.lights[i].linAtt[0]);\n"
" float angAtt = lu.lights[i].angAtt[2] * angDot * angDot +\n"
" lu.lights[i].angAtt[1] * angDot +\n"
" lu.lights[i].angAtt[0];\n"
" ret += lu.lights[i].color * saturate(angAtt) * att * saturate(dot(normalize(-delta), mvNormIn.xyz));\n"
" }\n"
" \n"
" return saturate(ret);\n"
"}\n";
static const char* MainPostMetal =
"float4 MainPostFunc(thread VertToFrag& vtf, constant LightingUniform& lu, float4 colorIn)\n"
"{\n"
@@ -179,6 +240,12 @@ CModelShaders::GetShaderExtensionsMetal(boo::IGraphicsDataFactory::Platform plat
hecl::Backend::ZTest::Equal,
false, false, false, true);
/* World shadow shading (modified lighting) */
ext.registerExtensionSlot({LightingShadowMetal, "EXTLightingShadowFunc"}, {MainPostMetal, "MainPostFunc"},
1, BlockNames, 1, WorldShadowTextures, hecl::Backend::BlendFactor::Original,
hecl::Backend::BlendFactor::Original, hecl::Backend::ZTest::Original,
false, false, false, true);
return ext;
}