#version 330 core
//绘制纯色几何图形：点、线段、三角形

CMD_BEGIN
Cull Off
Blend SrcAlpha OneMinusSrcAlpha
DepthTest Off
CMD_END
 
uniform mat4 gamelab_mat_mvp;
uniform sampler2D gamelab_main_tex;
uniform vec2 gamelab_ui_position;
uniform vec4 gamelab_color;

VSH_BEGIN
layout (location = 0) in vec2 vPos;

void main()
{
	vec2 pos = vPos + gamelab_ui_position;
	vec4 clip = gamelab_mat_mvp * vec4(pos, -1, 1.0);
	gl_Position = clip;
}
VSH_END

FSH_BEGIN
in vec2 uv;
in vec4 color;

out vec4 FragColor;

void main()
{
	FragColor = gamelab_color;
}
FSH_END