60 lines
1.4 KiB
GLSL
60 lines
1.4 KiB
GLSL
#version 450
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#include "compiled.glsl"
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#include "std/gbuffer.glsl"
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#include "std/math.glsl"
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#include "std/shadows.glsl"
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uniform sampler2D shadowMap;
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uniform samplerCube shadowMapCube;
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uniform sampler2D dilate;
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// uniform sampler2D gbufferD;
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uniform sampler2D gbuffer0;
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// uniform sampler2D gbuffer1;
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uniform vec2 cameraProj;
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uniform float shadowsBias;
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uniform vec3 eye;
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uniform vec3 eyeLook;
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uniform mat4 LWVP;
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uniform int lightShadow;
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uniform vec2 lightProj;
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uniform vec3 lightPos;
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in vec2 texCoord;
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in vec3 viewRay;
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out float fragColor[2];
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void main() {
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vec4 g0 = texture(gbuffer0, texCoord);
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// #ifdef _InvY // D3D
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// float depth = texture(gbufferD, texCoord).r * 2.0 - 1.0;
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// #else
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float depth = (1.0 - g0.a) * 2.0 - 1.0;
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// #endif
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vec3 p = getPos(eye, eyeLook, viewRay, depth, cameraProj);
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vec4 lampPos = LWVP * vec4(p, 1.0);
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vec3 lPos = lampPos.xyz / lampPos.w;
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// Visibility
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if (lightShadow == 1) {
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float sm = texture(shadowMap, lPos.xy).r;
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fragColor[0] = float(sm + shadowsBias > lPos.z);
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// Distance
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float d = texture(dilate, lPos.xy).r;
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fragColor[1] = max((lPos.z - d), 0.0);
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fragColor[1] *= 100 * penumbraDistance;
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}
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else { // Cube
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vec3 lp = lightPos - p;
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vec3 l = normalize(lp);
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fragColor[0] = float(texture(shadowMapCube, -l).r + shadowsBias > lpToDepth(lp, lightProj));
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fragColor[1] = 0.0;
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}
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// Mask non-occluded pixels
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// fragColor.b = mask;
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}
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