yquake2remaster/stuff/shaders/world_warp.vert

17 lines
297 B
GLSL

#version 450
#extension GL_ARB_separate_shader_objects : enable
out gl_PerVertex {
vec4 gl_Position;
};
void main()
{
vec4 positions[3] = {
vec4(-1.0f, -1.0f, 0.0f, 1.0f),
vec4(3.0f, -1.0f, 0.0f, 1.0f),
vec4(-1.0f, 3.0f, 0.0f, 1.0f)
};
gl_Position = positions[gl_VertexIndex % 3];
}