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Refactored shadowmapping.

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- Made shadow bias size independent, so it will remain when changing light or camera size.
- Implemented normal offset bias, which greatly enhances quality.
- Added transmission to subsurface scattering
- Reimplemented shadow filter modes

Closes #17260
This commit is contained in:
Juan Linietsky
2020-04-07 22:51:52 -03:00
parent b2f79cac9a
commit 4ffc0d6b3f
34 changed files with 1032 additions and 291 deletions
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3
servers/rendering/rasterizer_rd/shaders/copy.glsl
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@@ -57,6 +57,7 @@ void main() {
}
float depth = texture(source_cube, normal).r;
depth_buffer = depth;
// absolute values for direction cosines, bigger value equals closer to basis axis
vec3 unorm = abs(normal);
@@ -80,7 +81,7 @@ void main() {
depth = 2.0 * depth - 1.0;
float linear_depth = 2.0 * params.z_near * params.z_far / (params.z_far + params.z_near - depth * (params.z_far - params.z_near));
depth_buffer = (linear_depth * depth_fix + params.bias) / params.z_far;
depth_buffer = (linear_depth * depth_fix) / params.z_far;
#endif
}