space-crush/space-crush-app/resources/shader/text/vert.glsl

#version 450 core

#pragma include ./shared.glsl
#pragma include ../misc/camera.glsl

layout (location = 0) in vec2 inPosMin;
layout (location = 1) in vec2 inPosMax;
layout (location = 2) in vec2 inTexMin;
layout (location = 3) in vec2 inTexMax;
layout (location = 4) in vec4 inColor;

layout (location = 2) uniform vec2 uOffset;

out VertexData vertexData;

void main() {
    mat4 ortho = mat4(
        vec4(2.0 / uCamera.size.x, 0.0, 0.0, 0.0),
        vec4(0.0, -2.0 / uCamera.size.y, 0.0, 0.0),
        vec4(0.0, 0.0, 1.0, 0.0),
        vec4(-1.0, 1.0, 1.0, 1.0)
    );

    vertexData.posMin = (ortho * vec4(inPosMin + uOffset, 0.0, 1.0)).xy;
    vertexData.posMax = (ortho * vec4(inPosMax + uOffset, 0.0, 1.0)).xy;
    vertexData.texMin = inTexMin;
    vertexData.texMax = inTexMax;
    vertexData.color = inColor;
}