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[390] | 1 | uniform mat4 worldViewProj; |
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| 2 | uniform vec4 texelOffsets; |
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| 3 | uniform vec4 depthRange; |
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| 4 | |
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| 5 | varying vec2 depth; |
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| 6 | |
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| 7 | void main() |
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| 8 | { |
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| 9 | gl_Position = ftransform(); |
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| 10 | |
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| 11 | // fix pixel / texel alignment |
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| 12 | gl_Position.xy += texelOffsets.zw * gl_Position.w; |
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| 13 | // linear depth storage |
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| 14 | // offset / scale range output |
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| 15 | #if LINEAR_RANGE |
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| 16 | depth.x = (gl_Position.z - depthRange.x) * depthRange.w; |
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| 17 | #else |
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| 18 | depth.x = gl_Position.z; |
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| 19 | #endif |
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| 20 | depth.y = gl_Position.w; |
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| 21 | |
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| 22 | |
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| 23 | } |
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| 24 | |
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