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Fog rendering for HLSL

This commit is contained in:
Jack Andersen 2016-08-08 08:54:05 -10:00
parent e7a339344d
commit 1d32843970
2 changed files with 17 additions and 2 deletions
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17
Runtime/Graphics/Shaders/CModelShadersHLSL.cpp
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@ -12,6 +12,12 @@ static const char* LightingHLSL =
" float4 linAtt;\n"
" float4 angAtt;\n"
"};\n"
"struct Fog\n"
"{\n"
" float4 color;\n"
" float rangeScale;\n"
" float start;\n"
"};\n"
"\n"
"cbuffer LightingUniform : register(b2)\n"
"{\n"
@ -20,6 +26,7 @@ static const char* LightingHLSL =
" float4 colorReg0;\n"
" float4 colorReg1;\n"
" float4 colorReg2;\n"
" Fog fog;\n"
"};\n"
"\n"
"static float4 LightingFunc(float4 mvPosIn, float4 mvNormIn)\n"
@ -43,6 +50,14 @@ static const char* LightingHLSL =
" return saturate(ret);\n"
"}\n";
static const char* MainPostHLSL =
"float4 MainPostFunc(in VertToFrag vtf, float4 colorIn)\n"
"{\n"
" float fogZ = (-vtf.mvPos.z - fog.start) * fog.rangeScale;\n"
" return lerp(fog.color, colorIn, saturate(exp2(-8.0 * fogZ)));\n"
"}\n"
"\n";
static const char* ThermalPostHLSL =
"cbuffer ThermalUniform : register(b2)\n"
"{\n"
@ -61,7 +76,7 @@ CModelShaders::GetShaderExtensionsHLSL(boo::IGraphicsDataFactory::Platform plat)
hecl::Runtime::ShaderCacheExtensions ext(plat);
/* Normal lit shading */
ext.registerExtensionSlot({LightingHLSL, "LightingFunc"}, {}, 0, nullptr, 0, nullptr,
ext.registerExtensionSlot({LightingHLSL, "LightingFunc"}, {MainPostHLSL, "MainPostFunc"}, 0, nullptr, 0, nullptr,
hecl::Backend::BlendFactor::Original, hecl::Backend::BlendFactor::Original);
/* Thermal Visor shading */

2
hecl

@ -1 +1 @@
Subproject commit 16eaa99c0af151404fc431f9adc76fc4739e86fc
Subproject commit da8e8021f1417d213d18d783d779bd8eeb435be2