68 lines
1.1 KiB
Plaintext
68 lines
1.1 KiB
Plaintext
[layout(std140)]
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struct ViewerData
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{
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projectionMatrix: mat4[f32],
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invProjectionMatrix: mat4[f32],
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viewMatrix: mat4[f32],
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invViewMatrix: mat4[f32],
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viewProjMatrix: mat4[f32],
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invViewProjMatrix: mat4[f32],
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renderTargetSize: vec2[f32],
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invRenderTargetSize: vec2[f32],
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eyePosition: vec3[f32]
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}
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external
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{
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[set(0), binding(0)] viewerData: uniform[ViewerData],
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[set(0), binding(1)] inputTexture: sampler2D[f32]
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}
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struct FragIn
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{
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[location(0)] uv: vec2[f32],
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}
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struct FragOut
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{
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[location(0)] color: vec4[f32]
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}
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struct VertIn
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{
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[location(0)] pos: vec2[f32],
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[location(1)] uv: vec2[f32],
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}
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struct VertOut
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{
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[location(0)] uv: vec2[f32],
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[builtin(position)] position: vec4[f32]
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}
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[entry(frag)]
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fn main(input: FragIn) -> FragOut
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{
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let exposure = 0.8;
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let hdrColor = inputTexture.Sample(input.uv).rgb;
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// reinhard tone mapping
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let mapped = vec3[f32](1.0, 1.0, 1.0) - exp(-hdrColor * exposure);
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let output: FragOut;
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output.color = vec4[f32](mapped, 1.0);
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return output;
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}
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[entry(vert)]
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fn main(input: VertIn) -> VertOut
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{
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let output: VertOut;
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output.position = vec4[f32](input.pos, 0.0, 1.0);
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output.uv = input.uv;
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return output;
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}
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