#version 330

#vertex

layout(location=0) in vec4 a_PositionTexcoord;
layout(location=1) in vec4 a_Color;

uniform mat4 u_MVPMatrix;

out vec2 v_TexCoord;
out vec4 v_Color;

void main() {
    v_TexCoord = a_PositionTexcoord.zw;
    v_Color = a_Color;
    gl_Position = u_MVPMatrix * vec4(a_PositionTexcoord.xy, 0.0, 1.0);
}



#fragment

out vec4 out_Color;

uniform sampler2D u_Tex;

in vec2 v_TexCoord;
in vec4 v_Color;

void main() {
    vec4 sample = texture(u_Tex, v_TexCoord);
    out_Color = sample * v_Color;
}