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41 lines
615 B
GLSL
41 lines
615 B
GLSL
#version 450
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layout (triangles) in;
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layout (triangle_strip, max_vertices = 4) out;
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void main(void)
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{
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vec4 topLeft = gl_in[0].gl_Position;
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vec4 right = gl_in[1].gl_Position;
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vec4 bottomLeft = gl_in[2].gl_Position;
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vec4 topRight = vec4(
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right.x,
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topLeft.y,
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topLeft.z,
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topLeft.w
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);
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vec4 bottomRight = vec4(
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right.x,
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bottomLeft.y,
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topLeft.z,
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topLeft.w
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);
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gl_Position = topLeft;
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EmitVertex();
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gl_Position = bottomLeft;
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EmitVertex();
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gl_Position = topRight;
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EmitVertex();
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gl_Position = bottomRight;
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EmitVertex();
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EndPrimitive();
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}
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