38 lines
605 B
Text
38 lines
605 B
Text
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// vertex shader
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#version 150
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in vec2 in_Position;
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in vec3 in_Color;
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out vec3 ex_Color;
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void main(void) {
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gl_Position = vec4(in_Position.x, in_Position.y, 0.0, 1.0);
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ex_Color = in_Color;
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}
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// geometry shader
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#version 150
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layout(triangles) in;
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layout(triangle_strip, max_vertices = 3) out;
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void main() {
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for(int i = 0; i < gl_in.length(); i++) {
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gl_Position = gl_in[i].gl_Position;
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EmitVertex();
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}
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EndPrimitive();
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}
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// fragment shader
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#version 150
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precision highp float;
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in vec3 ex_Color;
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out vec4 gl_FragColor;
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void main(void) {
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gl_FragColor = vec4(ex_Color, 1.0);
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}
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