luboslenco
45 lines
765 B
Plaintext
45 lines
765 B
Plaintext
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#[set(everything)]
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const constants: {
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pos0: float2;
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pos1: float2;
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pos2: float2;
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col: float4;
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};
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struct vert_in {
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pos: float2;
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}
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struct vert_out {
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pos: float4;
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col: float4;
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}
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fun draw_tris_vert(input: vert_in): vert_out {
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var output: vert_out;
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if (vertex_id() == 0) {
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output.pos = float4(constants.pos0, 0.0, 1.0);
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}
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else if (vertex_id() == 1) {
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output.pos = float4(constants.pos1, 0.0, 1.0);
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}
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else if (vertex_id() == 2) {
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output.pos = float4(constants.pos2, 0.0, 1.0);
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}
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output.pos.xy = output.pos.xy * 2.0 - 1.0;
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output.pos.y = -output.pos.y;
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output.col = constants.col;
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return output;
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}
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fun draw_tris_frag(input: vert_out): float4 {
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return input.col;
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}
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#[pipe]
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struct pipe {
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vertex = draw_tris_vert;
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fragment = draw_tris_frag;
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}
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