37 lines
838 B
Metal
37 lines
838 B
Metal
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#include<metal_stdlib>
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#include<simd/simd.h>
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using namespace metal;
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#import "vertex.h"
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typedef unsigned int uint;
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typedef struct
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{
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float4 clipSpacePos [[position]];
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float4 color;
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} rasterizer_data;
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vertex rasterizer_data VertexShader(uint vertexID [[vertex_id]],
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constant my_vertex* vertices [[buffer(vertexInputIndexVertices)]],
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constant vector_uint2* viewportSizePointer [[buffer(vertexInputIndexViewportSize)]])
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{
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float2 pixelPos = vertices[vertexID].pos.xy;
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float2 viewportSize = vector_float2(*viewportSizePointer);
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rasterizer_data out;
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out.clipSpacePos = vector_float4(0, 0, 0, 1);
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out.clipSpacePos.xy = pixelPos/(viewportSize/2);
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out.color = vertices[vertexID].col;
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return(out);
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}
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fragment float4 FragmentShader(rasterizer_data in [[stage_in]])
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{
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return(in.color);
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}
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