27 lines
564 B
Text
27 lines
564 B
Text
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#version 420
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#define LIGHT_COUNT 3
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layout (triangles, invocations = LIGHT_COUNT) in;
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layout (triangle_strip, max_vertices = 3) out;
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layout (binding = 0) uniform UBO
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{
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mat4 mvp[LIGHT_COUNT];
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vec4 instancePos[3];
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} ubo;
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layout (location = 0) in int inInstanceIndex[];
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void main()
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{
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vec4 instancedPos = ubo.instancePos[inInstanceIndex[0]];
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for (int i = 0; i < gl_in.length(); i++)
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{
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gl_Layer = gl_InvocationID;
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vec4 tmpPos = gl_in[i].gl_Position + instancedPos;
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gl_Position = ubo.mvp[gl_InvocationID] * tmpPos;
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EmitVertex();
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}
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EndPrimitive();
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}
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