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tweak indirect SSS to be a little bright like it used to be. Tweak sampling for shadow filtering, ssao, rtao, ssgi, and specular reflections.

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Xonk
2023-10-14 23:34:52 -04:00
parent 87d25d0637
commit d9d3cd0c2d
24 changed files with 238 additions and 271 deletions
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46
shaders/lib/Shadow_Params.glsl
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@ -34,40 +34,46 @@ mat4 BuildTranslationMatrix(const in vec3 delta) {
vec4(delta, 1.0));
}
vec3 LightDir = vec3(0.0, 1.0, 0.0);
// vec3 LightDir = vec3(sin(frameTimeCounter*10), 0.2, -cos(frameTimeCounter*10));
uniform vec3 CamPos;
// vec3 LightDir = vec3(1.0, 0.5, 1.0);
float rate = frameTimeCounter;
vec3 LightDir = vec3(sin(rate), 0.3, cos(rate));
// vec3 LightDir = vec3(cos(rate),sin(rate),cos(rate));
const float shadowIntervalSize = 2.0f;
vec3 GetShadowIntervalOffset() {
return fract(CamPos / shadowIntervalSize) * shadowIntervalSize - vec3(3,0,1);
}
mat4 BuildShadowViewMatrix(const in vec3 localLightDir) {
//#ifndef WORLD_END
// return shadowModelView;
//#else
const vec3 worldUp = vec3(0, 0, -1);
const vec3 worldUp = vec3(1, 0, 0);
vec3 zaxis = localLightDir;
vec3 xaxis = normalize(cross(worldUp, zaxis));
vec3 yaxis = normalize(cross(zaxis, xaxis));
vec3 zaxis = localLightDir;
mat4 shadowModelViewEx = mat4(1.0);
shadowModelViewEx[0].xyz = vec3(xaxis.x, yaxis.x, zaxis.x);
shadowModelViewEx[1].xyz = vec3(xaxis.y, yaxis.y, zaxis.y);
shadowModelViewEx[2].xyz = vec3(xaxis.z, yaxis.z, zaxis.z);
// float check = localLightDir.y;
// if(check < 0.0) zaxis.y = -zaxis.y;
vec3 intervalOffset = GetShadowIntervalOffset();
mat4 translation = BuildTranslationMatrix(intervalOffset);
return shadowModelViewEx * translation ;
//#endif
vec3 xaxis = normalize(cross(worldUp, zaxis));
vec3 yaxis = normalize(cross(zaxis, xaxis));
mat4 shadowModelViewEx = mat4(1.0);
shadowModelViewEx[0].xyz = vec3(xaxis.x, yaxis.x, zaxis.x);
shadowModelViewEx[1].xyz = vec3(xaxis.y, yaxis.y, zaxis.y);
shadowModelViewEx[2].xyz = vec3(xaxis.z, yaxis.z, zaxis.z);
vec3 intervalOffset = GetShadowIntervalOffset();
mat4 translation = BuildTranslationMatrix(intervalOffset);
return shadowModelViewEx * translation;
}
mat4 BuildShadowProjectionMatrix() {
float maxDist = min(shadowDistance, far);
return BuildOrthoProjectionMatrix(maxDist, maxDist, -far, far);
}
// mat4 Custom_ViewMatrix = BuildShadowViewMatrix(LightDir);
// mat4 Custom_ProjectionMatrix = BuildShadowProjectionMatrix();
*/