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Fix contact shadow when light is outside of viewport.

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This commit is contained in:
Bruno Lourenço 2019-12-21 16:07:18 +00:00
parent 78f1513928
commit d7f9d71be2
1 changed files with 13 additions and 9 deletions
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22
drivers/gles3/shaders/scene.glsl
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@ -897,18 +897,22 @@ float contact_shadow_compute(vec3 pos, vec3 dir, float max_distance) {
bias += incr * 2.0;
vec3 uv_depth = (source.xyz / source.w) * 0.5 + 0.5;
float depth = texture(depth_buffer, uv_depth.xy).r;
if (uv_depth.x > 0.0 && uv_depth.x < 1.0 && uv_depth.y > 0.0 && uv_depth.y < 1.0) {
float depth = texture(depth_buffer, uv_depth.xy).r;
if (depth < uv_depth.z) {
if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
return min(pow(ratio, 4.0), 1.0);
} else {
return 1.0;
if (depth < uv_depth.z) {
if (depth > (bias.z / bias.w) * 0.5 + 0.5) {
return min(pow(ratio, 4.0), 1.0);
} else {
return 1.0;
}
}
}
ratio += ratio_incr;
steps -= 1.0;
ratio += ratio_incr;
steps -= 1.0;
} else {
return 1.0;
}
}
return 1.0;