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static float2 positions[3] = float2[] (
float2( 0.0, -0.5),
float2( 0.5, 0.5),
float2(-0.5, 0.5),
);
static float3 colors[3] = float3[] (
float3(1.0, 0.0, 0.0),
float3(0.0, 1.0, 0.0),
float3(0.0, 0.0, 1.0),
);
struct VertexOutput {
float3 color;
float4 sv_position : SV_Position;
};
[shader("vertex")]
VertexOutput vert_main(uint vid : SV_VertexID) {
VertexOutput output;
output.color = colors[vid];
output.sv_position = float4(positions[vid], 0.0, 1.0);
return output;
}
[shader("fragment")]
float4 frag_main(VertexOutput vert) : SV_Target {
float3 color = vert.color;
return float4(color, 1.0);
}
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