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authorDan Goodliffe <dan@randomdan.homeip.net>2024-01-30 22:48:33 +0000
committerDan Goodliffe <dan@randomdan.homeip.net>2024-01-30 22:48:33 +0000
commit3c239338f5d1e97e3c0ddd05976e14b20758e07d (patch)
tree7eb3c254b681d2cafbc9ce8f13b285a9313474c4 /gfx/gl/shaders/directionalLight.fs
parent3D relative scaling in asset factory (diff)
parentAdjust light view projection matrix upfront (diff)
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Merge branch 'geo-shadows'
Diffstat (limited to 'gfx/gl/shaders/directionalLight.fs')
-rw-r--r--gfx/gl/shaders/directionalLight.fs10
1 files changed, 4 insertions, 6 deletions
diff --git a/gfx/gl/shaders/directionalLight.fs b/gfx/gl/shaders/directionalLight.fs
index f36d83f..24457b8 100644
--- a/gfx/gl/shaders/directionalLight.fs
+++ b/gfx/gl/shaders/directionalLight.fs
@@ -9,16 +9,15 @@ in vec2 TexCoords;
layout(binding = 0) uniform isampler2D gPosition;
layout(binding = 1) uniform sampler2D gNormal;
-layout(binding = 2) uniform sampler2D shadowMap;
+layout(binding = 2) uniform sampler2DArray shadowMap;
uniform vec3 lightDirection;
uniform vec3 lightColour;
uniform ivec3 lightPoint;
uniform mat4 lightViewProjection[MAX_MAPS];
-uniform vec4 shadowMapRegion[MAX_MAPS];
uniform uint lightViewProjectionCount;
-const vec3 e1 = vec3(-1, -1, -1), e2 = vec3(1, 1, 1);
+const vec3 e1 = vec3(0, 0, 0), e2 = vec3(1, 1, 1);
float
insideShadowCube(vec3 v)
@@ -34,9 +33,8 @@ isShaded(vec4 Position)
const vec3 PositionInLightSpace = (lightViewProjection[m] * Position).xyz;
const float inside = insideShadowCube(PositionInLightSpace);
if (inside > 0) {
- const float lightSpaceDepth
- = texture(shadowMap, PositionInLightSpace.xy * shadowMapRegion[m].xy + shadowMapRegion[m].zw).r;
- return step(lightSpaceDepth, PositionInLightSpace.z * .5 + .5);
+ const float lightSpaceDepth = texture(shadowMap, vec3(PositionInLightSpace.xy, m)).r;
+ return step(lightSpaceDepth, PositionInLightSpace.z);
}
}
return 0;