21 lines
351 B
GLSL
21 lines
351 B
GLSL
#version 450
|
|
|
|
vec2 positions[3] = vec2[](
|
|
vec2(0.0, -0.5),
|
|
vec2(0.5, 0.5),
|
|
vec2(-0.5, 0.5)
|
|
);
|
|
|
|
vec3 colours[3] = vec3[](
|
|
vec3(1.0, 0.0, 0.0),
|
|
vec3(0.0, 1.0, 0.0),
|
|
vec3(0.0, 0.0, 1.0)
|
|
);
|
|
|
|
layout(location = 0) out vec3 frag_colour;
|
|
|
|
void main() {
|
|
gl_Position = vec4(positions[gl_VertexIndex], 0.0, 1.0);
|
|
frag_colour = colours[gl_VertexIndex];
|
|
}
|