prosperon/source/shaders/gridvert.glsl

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2022-06-21 23:16:14 -05:00
#version 330
layout (location = 0) in vec2 pos;
out vec2 apos;
layout (std140) uniform Projection {
mat4 projection;
};
void main()
{
mat4 iproj = inverse(projection);
vec4 ipos = iproj * vec4(pos, 0.f, 1.f);
apos = ipos.xy;
gl_Position = vec4(pos, 0.f, 1.f);
}