Library_Project/demo/OpenGLWidgetLibrary/shaderCode/fragmentShader.glsl

#version 330 core

in vec3 vertexColor;    //输入颜色数据
in vec2 TexCoord;       //输入纹理坐标数据

out vec4 FragColor;     //输出颜色数据

uniform sampler2D ourTexture1; //纹理采样器
uniform sampler2D ourTexture2; //纹理采样器

void main()
{
    //FragColor = vec4(1,0,0,1);
    //FragColor = texture(ourTexture1, TexCoord) * vec4(vertexColor, 1.0); // 乘以颜色
    FragColor = mix(texture(ourTexture1, TexCoord), texture(ourTexture2, TexCoord), 0.2); // 混合两种纹理
}