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ugui/text_rendering/box_vertshader.glsl

19 lines
348 B

2 years ago
#version 330 core
uniform ivec2 viewsize;
layout(location = 0) in vec2 position;
layout(location = 2) in vec4 color;
out vec4 col;
void main()
{
vec2 v = vec2(float(viewsize.x), float(viewsize.y));
vec2 p = vec2(position.x*2.0/v.x - 1.0, 1.0 - position.y*2.0/v.y);
vec4 pos = vec4(p.x, p.y, 0.0f, 1.0f);
gl_Position = pos;
col = color;
}