#version 330 core //绘制纯色的几何图形 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 clipPos = gamelab_mat_mvp * vec4(pos, -1, 1.0); gl_Position = clipPos; } VSH_END FSH_BEGIN out vec4 FragColor; void main() { FragColor = gamelab_color; } FSH_END