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Use distant shadow maps when the current fragment is outside the depth range of the near ones.

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This commit is contained in:
AnyOldName3 2018-11-03 16:56:33 +00:00
parent b178e1868a
commit 0bafa4399b
1 changed files with 3 additions and 2 deletions
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5
files/shaders/shadows_fragment.glsl
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@ -16,12 +16,13 @@ float unshadowedLightRatio()
@foreach shadow_texture_unit_index @shadow_texture_unit_list
if (!doneShadows)
{
vec2 shadowXY = shadowSpaceCoords@shadow_texture_unit_index.xy / shadowSpaceCoords@shadow_texture_unit_index.w;
vec3 shadowXYZ = shadowSpaceCoords@shadow_texture_unit_index.xyz / shadowSpaceCoords@shadow_texture_unit_index.w;
vec2 shadowXY = shadowXYZ.xy;
if (all(lessThan(shadowXY, vec2(1.0, 1.0))) && all(greaterThan(shadowXY, vec2(0.0, 0.0))))
{
shadowing = min(shadow2DProj(shadowTexture@shadow_texture_unit_index, shadowSpaceCoords@shadow_texture_unit_index).r, shadowing);
if (all(lessThan(shadowXY, vec2(0.95, 0.95))) && all(greaterThan(shadowXY, vec2(0.05, 0.05))))
if (all(lessThan(shadowXYZ, vec3(0.95, 0.95, 1.0))) && all(greaterThan(shadowXYZ, vec3(0.05, 0.05, 0.0))))
doneShadows = true;
}
}