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#version 330 core
//绘制几何图形
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;
VSH_BEGIN
layout (location = 0) in vec2 vPos;
layout (location = 1) in vec2 vUV;
layout (location = 2) in vec4 vColor;
out vec2 uv;
out vec4 color;
void main()
{
vec2 pos = vPos + gamelab_ui_position;
vec4 clip = gamelab_mat_mvp * vec4(pos, -1, 1.0);
gl_Position = clip;
uv = vUV;
color = vColor;
}
VSH_END
FSH_BEGIN
in vec2 uv;
in vec4 color;
out vec4 FragColor;
void main()
{
//vec2 uv = vec2(uv.x, 1 - uv.y);
vec4 sampled = vec4(0.8,0.8,0.8,texture(gamelab_main_tex, uv).r);
sampled *= color;
//sampled = vec4(1,1,1,1);
FragColor = sampled;
}
FSH_END
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