Joshua Goins
3229c4fa2c
All specialization constants are removed (they cause trouble in WebGPU, since they don't support array sizing, and it was a pain in Metal anyway) - they are now macro defined. WebGPU now runs, although push constant emulation is not implemented yet.
32 lines
866 B
GLSL
32 lines
866 B
GLSL
layout(location = 0) out vec2 outUV;
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layout(location = 1) out flat ivec2 outPixel;
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layout(location = 2) out float outDepth;
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layout(binding = 1) uniform sampler2D depth_sampler;
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layout(push_constant) uniform readonly PushConstant{
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vec4 params;
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};
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void main() {
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outUV = vec2((gl_VertexIndex << 1) & 2, gl_VertexIndex & 2);
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ivec2 pixel = ivec2(gl_InstanceIndex % DOF_WIDTH, gl_InstanceIndex / DOF_WIDTH);
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outPixel = pixel;
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const float depth = texture(depth_sampler, vec2(pixel) / vec2(DOF_WIDTH, DOF_HEIGHT)).r;
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outDepth = depth;
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vec2 pos = vec2(outUV * 2.0 + -1.0);
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// far field mode
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if(params.y == 0) {
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pos *= params.x * depth;
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}
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pos += vec2(pixel.x, pixel.y);
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pos *= 2.0 / vec2(DOF_WIDTH, DOF_HEIGHT);
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pos += vec2(-1, -1);
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gl_Position = vec4(pos.x, pos.y, 0.0, 1.0);
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}
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