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Graphics: Send shadow map res to shader

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This commit is contained in:
SirLynix
2022-11-20 16:26:11 +01:00
committed by Jérôme Leclercq
parent 3623f4ccc4
commit f580ba523d
8 changed files with 17 additions and 26 deletions
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29
src/Nazara/Graphics/Resources/Shaders/PhongMaterial.nzsl
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@@ -234,27 +234,18 @@ fn main(input: VertToFrag) -> FragOut
specFactor = pow(specFactor, settings.Shininess);
let shadowFactor = 0.0;
if (true) //< TODO: HasShadowMapping
if (light.invShadowMapSize.x > 0.0)
{
let shadowTexSize = 1.0 / 512.0; //< FIXME
let offsetArray = array[vec2[f32], 9](
vec2[f32](-1.0, -1.0),
vec2[f32](-1.0, 0.0),
vec2[f32](-1.0, 1.0),
vec2[f32](0.0, -1.0),
vec2[f32](0.0, 0.0),
vec2[f32](0.0, 1.0),
vec2[f32](1.0, -1.0),
vec2[f32](1.0, 0.0),
vec2[f32](1.0, 1.0)
);
for offset in offsetArray
let shadowCoords = input.lightProjPos[i].xyz / input.lightProjPos[i].w;
[unroll]
for x in -1 -> 2
{
let shadowCoords = input.lightProjPos[i].xyz / input.lightProjPos[i].w;
shadowCoords.xy += offset * shadowTexSize;
shadowFactor += shadowMaps2D[i].SampleDepthComp(shadowCoords.xy, shadowCoords.z).r;
[unroll]
for y in -1 -> 2
{
let coords = shadowCoords.xy + vec2[f32](f32(x), f32(y)) * light.invShadowMapSize;
shadowFactor += shadowMaps2D[i].SampleDepthComp(coords, shadowCoords.z).r;
}
}
shadowFactor /= 9.0;
}