53 lines
1.1 KiB
Plaintext
53 lines
1.1 KiB
Plaintext
struct VSInput {
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float2 pos;
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float2 scale;
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float2 uv;
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float4 color;
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float alpha;
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uint32_t textureID;
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uint vertex_index : SV_VertexID;
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};
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struct VSOutput {
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float4 pos : SV_POSITION;
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float2 uv;
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float4 color;
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float alpha;
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uint32_t tex_id;
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};
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Sampler2D textures[];
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static const float2 square[6] = {
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float2(-0.5, -0.5), // Top-left
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float2(-0.5, 0.5), // Bottom-left
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float2( 0.5, -0.5), // Top-right
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float2( 0.5, -0.5), // Top-right
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float2(-0.5, 0.5), // Bottom-left
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float2( 0.5, 0.5) // Bottom-right
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};
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[shader ("vertex")]
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VSOutput main(VSInput input, uniform float4x4 proj) {
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VSOutput output;
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float2 vertex_pos = square[input.vertex_index % 6];
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float2 final_pos = (vertex_pos * input.scale) + input.pos;
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output.pos = mul(proj, float4(final_pos, 0.0, 1.0));
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output.uv = input.uv;
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output.color = input.color;
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output.alpha = input.alpha;
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output.tex_id = input.textureID;
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return output;
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}
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[shader("fragment")]
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float4 main(VSOutput input) {
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return float4(input.color.rgb, input.alpha);
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}
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