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Loads an IES Photometric profile.

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ADDED: Ability to add IES profile as the cookie texture slot in both point lights and spot lights

TODO:
Have the IES Profile also drive the settings for the lights.
Make it work with Cookie textures. IES profiles are to be another slot in the advanced light section.
This commit is contained in:
marauder2k7 2024-02-21 06:22:37 +00:00
parent 429585f060
commit a12d915180
7 changed files with 832 additions and 37 deletions
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44
Templates/BaseGame/game/core/rendering/shaders/lighting/advanced/pointLightP.hlsl
View file

@ -109,7 +109,7 @@ TORQUE_UNIFORM_SAMPLER2D(colorBuffer, 3);
TORQUE_UNIFORM_SAMPLER2D(matInfoBuffer, 4);
#ifdef USE_COOKIE_TEX
/// The texture for cookie rendering.
TORQUE_UNIFORM_SAMPLERCUBE(cookieMap, 5);
TORQUE_UNIFORM_SAMPLER2D(cookieMap, 5);
#endif
uniform float4 rtParams0;
@ -117,6 +117,7 @@ uniform float4 lightColor;
uniform float lightBrightness;
uniform float3 lightPosition;
uniform float3 lightDirection;
uniform float4 lightMapParams;
uniform float4 vsFarPlane;
@ -163,31 +164,20 @@ float4 main( ConvexConnectP IN ) : SV_TARGET
#ifndef NO_SHADOW
if (getFlag(surface.matFlag, 0)) //also skip if we don't recieve shadows
{
#ifdef SHADOW_CUBE
#ifdef SHADOW_CUBE
// TODO: We need to fix shadow cube to handle soft shadows!
float occ = TORQUE_TEXCUBE( shadowMap, mul( worldToLightProj, -surfaceToLight.L ) ).r;
shadow = saturate( exp( lightParams.y * ( occ - distToLight ) ) );
// TODO: We need to fix shadow cube to handle soft shadows!
float occ = TORQUE_TEXCUBE( shadowMap, mul( worldToLightProj, -surfaceToLight.L ) ).r;
shadow = saturate( exp( lightParams.y * ( occ - distToLight ) ) );
#else
float2 shadowCoord = decodeShadowCoord( mul( worldToLightProj, -surfaceToLight.L ) ).xy;
shadow = softShadow_filter(TORQUE_SAMPLER2D_MAKEARG(shadowMap), ssPos.xy, shadowCoord, shadowSoftness, distToLight, surfaceToLight.NdotL, lightParams.y);
#endif
#else
float2 shadowCoord = decodeShadowCoord( mul( worldToLightProj, -surfaceToLight.L ) ).xy;
shadow = softShadow_filter(TORQUE_SAMPLER2D_MAKEARG(shadowMap), ssPos.xy, shadowCoord, shadowSoftness, distToLight, surfaceToLight.NdotL, lightParams.y);
#endif
}
#endif // !NO_SHADOW
float3 lightCol = lightColor.rgb;
#ifdef USE_COOKIE_TEX
// Lookup the cookie sample.
float4 cookie = TORQUE_TEXCUBE(cookieMap, mul(worldToLightProj, -surfaceToLight.L));
// Multiply the light with the cookie tex.
lightCol *= cookie.rgb;
// Use a maximum channel luminance to attenuate
// the lighting else we get specular in the dark
// regions of the cookie texture.
lightCol *= max(cookie.r, max(cookie.g, cookie.b));
#endif
#ifdef DIFFUSE_LIGHT_VIZ
float attenuation = getDistanceAtt(surfaceToLight.Lu, radius);
float3 factor = lightColor * max(surfaceToLight.NdotL, 0) * shadow * lightIntensity * attenuation;
@ -198,7 +188,7 @@ float4 main( ConvexConnectP IN ) : SV_TARGET
#endif
#ifdef SPECULAR_LIGHT_VIZ
float attenuation = getDistanceAtt(surfaceToLight.Lu, radius);
float attenuation = getDistanceAtt(surfaceToLight.Lu, radius);
float3 factor = lightColor * max(surfaceToLight.NdotL, 0) * shadow * lightIntensity * attenuation;
float3 diffuse = BRDF_GetDebugSpecular(surface,surfaceToLight) * factor;
@ -219,7 +209,17 @@ float4 main( ConvexConnectP IN ) : SV_TARGET
//get punctual light contribution
lighting = getPunctualLight(surface, surfaceToLight, lightCol, lightBrightness, lightInvSqrRange, shadow);
#ifdef USE_COOKIE_TEX
// Lookup the cookie sample.d
float cosTheta = dot(-surfaceToLight.L, lightDirection);
float angle = acos(cosTheta) * ( M_1OVER_PI_F);
float cookie = TORQUE_TEX2D(cookieMap, float2(angle, 0.0)).r;
// Multiply the light with the cookie tex.
lighting *= cookie;
#endif
}
return float4(lighting, 0);
}

19
Templates/BaseGame/game/core/rendering/shaders/lighting/advanced/spotLightP.hlsl
View file

@ -109,16 +109,7 @@ float4 main( ConvexConnectP IN ) : SV_TARGET
//distance to light in shadow map space
float distToLight = pxlPosLightProj.z / lightRange;
shadow = softShadow_filter(TORQUE_SAMPLER2D_MAKEARG(shadowMap), ssPos.xy, shadowCoord, shadowSoftness, distToLight, surfaceToLight.NdotL, lightParams.y);
#ifdef USE_COOKIE_TEX
// Lookup the cookie sample.
float4 cookie = TORQUE_TEX2D(cookieMap, shadowCoord);
// Multiply the light with the cookie tex.
lightCol *= cookie.rgb;
// Use a maximum channel luminance to attenuate
// the lighting else we get specular in the dark
// regions of the cookie texture.
lightCol *= max(cookie.r, max(cookie.g, cookie.b));
#endif
}
#endif
@ -153,6 +144,14 @@ float4 main( ConvexConnectP IN ) : SV_TARGET
//get spot light contribution
lighting = getSpotlight(surface, surfaceToLight, lightCol, lightBrightness, lightInvSqrRange, lightDirection, lightSpotParams, shadow);
#ifdef USE_COOKIE_TEX
// Lookup the cookie sample.d
float cosTheta = dot(-surfaceToLight.L, lightDirection);
float angle = acos(cosTheta) * ( M_1OVER_PI_F);
float cookie = TORQUE_TEX2D(cookieMap, float2(angle, 0.0)).r;
// Multiply the light with the cookie tex.
lighting *= cookie;
#endif
}
return float4(lighting, 0);