ptk/shaders/shader.vert.glsl

// Copyright (jacekpoz 2024). Licensed under the EUPL-1.2 or later.

#version 450

layout(binding = 0) uniform UniformBufferObject {
    vec2 initialWindowSize;
    vec2 windowSize;
} ubo;

layout(location = 0) in vec2 inPosition;
layout(location = 1) in vec3 inColor;
layout(location = 2) in int inShapeType;
layout(location = 3) in vec2 inUv;

layout(location = 0) out vec3 fragColor;
layout(location = 1) out int outShapeType;
layout(location = 2) out vec2 outUv;

void main() {
    vec2 normalized = ((inPosition / ubo.initialWindowSize) - 0.5) * 2.0;
    gl_Position = vec4(normalized, 0.0, 1.0);

    fragColor = inColor;
    outShapeType = inShapeType;
    outUv = inUv;
}