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Fix artifact with point light soft shadow in sm atlas

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This commit is contained in:
N8n5h 2021-04-26 16:44:49 -03:00
parent a4e9ad945b
commit ddc3da7799
1 changed files with 2 additions and 1 deletions
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3
Shaders/std/shadows.glsl
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@ -96,6 +96,7 @@ float PCFCube(samplerCubeShadow shadowMapCube, const vec3 lp, vec3 ml, const flo
#ifdef _ShadowMapAtlas
// transform "out-of-bounds" coordinates to the correct face/coordinate system
// https://www.khronos.org/opengl/wiki/File:CubeMapAxes.png
vec2 transformOffsetedUV(const int faceIndex, out int newFaceIndex, vec2 uv) {
if (uv.x < 0.0) {
if (faceIndex == 0) { // X+
@ -211,7 +212,7 @@ float PCFFakeCube(sampler2DShadow shadowMap, const vec3 lp, vec3 ml, const float
#ifdef _FlipY
uvtiled.y = 1.0 - uvtiled.y; // invert Y coordinates for direct3d coordinate system
#endif
result += texture(shadowMap, vec3(pointLightTile.z * uvtiled + pointLightTile.xy, compare));
result += texture(shadowMap, vec3(uvtiled, compare));
uvtiled = transformOffsetedUV(faceIndex, newFaceIndex, vec2(uv + (vec2(-1.0, 1.0) / smSize)));
pointLightTile = pointLightDataArray[lightIndex + newFaceIndex];