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https://github.com/MaSzyna-EU07/maszyna.git
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31 lines
702 B
GLSL
31 lines
702 B
GLSL
layout (points) in;
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layout (triangle_strip, max_vertices = 4) out;
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in vec2 g_coords[];
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out vec2 f_coords;
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#include <common>
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void main() {
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vec4 position = gl_in[0].gl_Position;
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vec2 size = vec2(0.1) * scene_extra.xy;
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gl_Position = position + vec4(-size.x, -size.y, 0.0, 0.0);
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f_coords = vec2(g_coords[0].s, 0.0);
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EmitVertex();
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gl_Position = position + vec4( size.x, -size.y, 0.0, 0.0);
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f_coords = vec2(g_coords[0].t, 0.0);
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EmitVertex();
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gl_Position = position + vec4(-size.x, size.y, 0.0, 0.0);
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f_coords = vec2(g_coords[0].s, 1.0);
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EmitVertex();
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gl_Position = position + vec4( size.x, size.y, 0.0, 0.0);
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f_coords = vec2(g_coords[0].t, 1.0);
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EmitVertex();
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EndPrimitive();
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}
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