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metaforce/Runtime/Graphics/Shaders/CModelShadersGLSL.cpp

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#include "CModelShaders.hpp"
#include "hecl/Backend/GLSL.hpp"
namespace urde
{
static const char* LightingGLSL =
"struct Light\n"
"{\n"
" vec4 pos;\n"
" vec4 dir;\n"
" vec4 color;\n"
" vec4 linAtt;\n"
" vec4 angAtt;\n"
"};\n"
"struct Fog\n"
"{\n"
" int mode;\n"
" vec4 color;\n"
" float rangeScale;\n"
" float start;\n"
"};\n"
"\n"
"UBINDING2 uniform LightingUniform\n"
"{\n"
" Light lights[" _XSTR(URDE_MAX_LIGHTS) "];\n"
" vec4 ambient;\n"
" vec4 colorReg0;\n"
" vec4 colorReg1;\n"
" vec4 colorReg2;\n"
" vec4 mulColor;\n"
" Fog fog;\n"
"};\n"
"\n"
"vec4 LightingFunc(vec3 mvPosIn, vec3 mvNormIn)\n"
"{\n"
" vec4 ret = ambient;\n"
" \n"
" for (int i=0 ; i<" _XSTR(URDE_MAX_LIGHTS) " ; ++i)\n"
" {\n"
" vec3 delta = mvPosIn - lights[i].pos.xyz;\n"
" float dist = length(delta);\n"
" float angDot = clamp(dot(normalize(delta), lights[i].dir.xyz), 0.0, 1.0);\n"
" float att = 1.0 / (lights[i].linAtt[2] * dist * dist +\n"
" lights[i].linAtt[1] * dist +\n"
" lights[i].linAtt[0]);\n"
" float angAtt = lights[i].angAtt[2] * angDot * angDot +\n"
" lights[i].angAtt[1] * angDot +\n"
" lights[i].angAtt[0];\n"
" ret += lights[i].color * clamp(angAtt, 0.0, 1.0) * att * clamp(dot(normalize(-delta), mvNormIn), 0.0, 1.0);\n"
" }\n"
" \n"
" return ret;\n"
"}\n";
static const char* LightingShadowGLSL =
"struct Light\n"
"{\n"
" vec4 pos;\n"
" vec4 dir;\n"
" vec4 color;\n"
" vec4 linAtt;\n"
" vec4 angAtt;\n"
"};\n"
"struct Fog\n"
"{\n"
" int mode;\n"
" vec4 color;\n"
" float rangeScale;\n"
" float start;\n"
"};\n"
"\n"
"UBINDING2 uniform LightingUniform\n"
"{\n"
" Light lights[" _XSTR(URDE_MAX_LIGHTS) "];\n"
" vec4 ambient;\n"
" vec4 colorReg0;\n"
" vec4 colorReg1;\n"
" vec4 colorReg2;\n"
" vec4 mulColor;\n"
" Fog fog;\n"
"};\n"
"\n"
"vec4 LightingShadowFunc(vec3 mvPosIn, vec3 mvNormIn)\n"
"{\n"
" vec2 shadowUV = vtf.extTcgs[0];\n"
" shadowUV.y = 1.0 - shadowUV.y;\n"
" \n"
" vec4 ret = ambient;\n"
" \n"
" vec3 delta = mvPosIn - lights[0].pos.xyz;\n"
" float dist = length(delta);\n"
" float angDot = clamp(dot(normalize(delta), lights[0].dir.xyz), 0.0, 1.0);\n"
" float att = 1.0 / (lights[0].linAtt[2] * dist * dist +\n"
" lights[0].linAtt[1] * dist +\n"
" lights[0].linAtt[0]);\n"
" float angAtt = lights[0].angAtt[2] * angDot * angDot +\n"
" lights[0].angAtt[1] * angDot +\n"
" lights[0].angAtt[0];\n"
" ret += lights[0].color * clamp(angAtt, 0.0, 1.0) * att * clamp(dot(normalize(-delta), mvNormIn), 0.0, 1.0) *\n"
" texture(extTex7, shadowUV).r;\n"
" \n"
" for (int i=1 ; i<" _XSTR(URDE_MAX_LIGHTS) " ; ++i)\n"
" {\n"
" vec3 delta = mvPosIn - lights[i].pos.xyz;\n"
" float dist = length(delta);\n"
" float angDot = clamp(dot(normalize(delta), lights[i].dir.xyz), 0.0, 1.0);\n"
" float att = 1.0 / (lights[i].linAtt[2] * dist * dist +\n"
" lights[i].linAtt[1] * dist +\n"
" lights[i].linAtt[0]);\n"
" float angAtt = lights[i].angAtt[2] * angDot * angDot +\n"
" lights[i].angAtt[1] * angDot +\n"
" lights[i].angAtt[0];\n"
" ret += lights[i].color * clamp(angAtt, 0.0, 1.0) * att * clamp(dot(normalize(-delta), mvNormIn), 0.0, 1.0);\n"
" }\n"
" \n"
" return ret;\n"
"}\n";
static const char* MainPostGLSL =
"vec4 MainPostFunc(vec4 colorIn)\n"
"{\n"
" float fogZ, temp;\n"
" switch (fog.mode)\n"
" {\n"
" case 2:\n"
" fogZ = (-vtf.mvPos.z - fog.start) * fog.rangeScale;\n"
" break;\n"
" case 4:\n"
" fogZ = 1.0 - exp2(-8.0 * (-vtf.mvPos.z - fog.start) * fog.rangeScale);\n"
" break;\n"
" case 5:\n"
" temp = (-vtf.mvPos.z - fog.start) * fog.rangeScale;\n"
" fogZ = 1.0 - exp2(-8.0 * temp * temp);\n"
" break;\n"
" case 6:\n"
" fogZ = exp2(-8.0 * (fog.start + vtf.mvPos.z) * fog.rangeScale);\n"
" break;\n"
" case 7:\n"
" temp = (fog.start + vtf.mvPos.z) * fog.rangeScale;\n"
" fogZ = exp2(-8.0 * temp * temp);\n"
" break;\n"
" default:\n"
" fogZ = 0.0;\n"
" break;\n"
" }\n"
" return mix(colorIn, fog.color, clamp(fogZ, 0.0, 1.0));\n"
"}\n"
"\n";
static const char* ThermalPostGLSL =
"UBINDING2 uniform ThermalUniform\n"
"{\n"
" vec4 tmulColor;\n"
" vec4 addColor;\n"
"};\n"
"vec4 ThermalPostFunc(vec4 colorIn)\n"
"{\n"
" return vec4(texture(extTex7, vtf.extTcgs[0]).rrr * tmulColor.rgb + addColor.rgb, tmulColor.a + addColor.a);\n"
"}\n"
"\n";
static const char* SolidPostGLSL =
"UBINDING2 uniform SolidUniform\n"
"{\n"
" vec4 solidColor;\n"
"};\n"
"vec4 SolidPostFunc(vec4 colorIn)\n"
"{\n"
" return solidColor;\n"
"}\n"
"\n";
static const char* MBShadowPostGLSL =
"UBINDING2 uniform MBShadowUniform\n"
"{\n"
" vec4 shadowUp;\n"
" float shadowId;\n"
"};\n"
"vec4 MBShadowPostFunc(vec4 colorIn)\n"
"{\n"
" float idTexel = texture(extTex0, vtf.extTcgs[0]).a;\n"
" float sphereTexel = texture(extTex1, vtf.extTcgs[1]).a;\n"
" float fadeTexel = texture(extTex2, vtf.extTcgs[2]).a;\n"
" float val = ((abs(idTexel - shadowId) < 0.001) ?\n"
" (dot(vtf.mvNorm.xyz, shadowUp.xyz) * shadowUp.w) : 0.0) *\n"
" sphereTexel * fadeTexel;\n"
" return vec4(0.0, 0.0, 0.0, val);\n"
"}\n"
"\n";
static const char* BlockNames[] = {HECL_GLSL_VERT_UNIFORM_BLOCK_NAME,
HECL_GLSL_TEXMTX_UNIFORM_BLOCK_NAME,
"LightingUniform"};
static const char* ThermalBlockNames[] = {HECL_GLSL_VERT_UNIFORM_BLOCK_NAME,
HECL_GLSL_TEXMTX_UNIFORM_BLOCK_NAME,
"ThermalUniform"};
static const char* SolidBlockNames[] = {HECL_GLSL_VERT_UNIFORM_BLOCK_NAME,
HECL_GLSL_TEXMTX_UNIFORM_BLOCK_NAME,
"SolidUniform"};
static const char* MBShadowBlockNames[] = {HECL_GLSL_VERT_UNIFORM_BLOCK_NAME,
HECL_GLSL_TEXMTX_UNIFORM_BLOCK_NAME,
"MBShadowUniform"};
hecl::Runtime::ShaderCacheExtensions
CModelShaders::GetShaderExtensionsGLSL(boo::IGraphicsDataFactory::Platform plat)
{
hecl::Runtime::ShaderCacheExtensions ext(plat);
/* Normal lit shading */
ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::Original,
hecl::Backend::BlendFactor::Original, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::Backface, false, false, true);
/* Thermal Visor shading */
ext.registerExtensionSlot({}, {ThermalPostGLSL, "ThermalPostFunc"}, 3, ThermalBlockNames,
1, ThermalTextures, hecl::Backend::BlendFactor::One,
hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::Backface, false, false, false, true);
/* Forced alpha shading */
ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::Backface, false, false, true);
/* Forced additive shading */
ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::Backface, true, false, true);
/* Solid color */
ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::One,
hecl::Backend::BlendFactor::Zero, hecl::Backend::ZTest::LEqual,
hecl::Backend::CullMode::Backface, false, false, false);
/* Solid color additive */
ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::LEqual,
hecl::Backend::CullMode::Backface, true, false, true);
/* Alpha-only Solid color frontface cull, LEqual */
ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::LEqual,
hecl::Backend::CullMode::Frontface, false, true, false);
/* Alpha-only Solid color frontface cull, Always, No Z-write */
ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::None,
hecl::Backend::CullMode::Frontface, true, true, false);
/* Alpha-only Solid color backface cull, LEqual */
ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::LEqual,
hecl::Backend::CullMode::Backface, false, true, false);
/* Alpha-only Solid color backface cull, Greater, No Z-write */
ext.registerExtensionSlot({}, {SolidPostGLSL, "SolidPostFunc"},
3, SolidBlockNames, 0, nullptr, hecl::Backend::BlendFactor::Zero,
hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Greater,
hecl::Backend::CullMode::Backface, true, true, false);
/* MorphBall shadow shading */
ext.registerExtensionSlot({}, {MBShadowPostGLSL, "MBShadowPostFunc"},
3, MBShadowBlockNames, 3, BallFadeTextures,
hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::InvSrcAlpha,
hecl::Backend::ZTest::Equal,
hecl::Backend::CullMode::Backface, false, false, true, false, true);
/* World shadow shading (modified lighting) */
ext.registerExtensionSlot({LightingShadowGLSL, "LightingShadowFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 1, WorldShadowTextures, hecl::Backend::BlendFactor::Original,
hecl::Backend::BlendFactor::Original, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::Backface, false, false, true);
/* Forced alpha shading without culling */
ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::None, false, false, true);
/* Forced additive shading without culling */
ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::None, false, false, true);
/* Forced alpha shading without Z-write */
ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::Original, true, false, true);
/* Forced additive shading without Z-write */
ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::Original, true, false, true);
/* Forced alpha shading without culling or Z-write */
ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::None, true, false, true);
/* Forced additive shading without culling or Z-write */
ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::One, hecl::Backend::ZTest::Original,
hecl::Backend::CullMode::None, true, false, true);
/* Depth GEqual no Z-write */
ext.registerExtensionSlot({LightingGLSL, "LightingFunc"}, {MainPostGLSL, "MainPostFunc"},
3, BlockNames, 0, nullptr, hecl::Backend::BlendFactor::SrcAlpha,
hecl::Backend::BlendFactor::InvSrcAlpha, hecl::Backend::ZTest::GEqual,
hecl::Backend::CullMode::Backface, true, false, true);
return ext;
}
}
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