Archivist
/
raylib-src
镜像自地址 https://github.com/raysan5/raylib


								#version 330


								uniform sampler2D texture0;

								varying vec2 fragTexCoord;

								varying vec4 fragTintColor;


								void main()

								{

								    vec4 base = texture2D(texture0, fragTexCoord)*fragTintColor;


								    // Convert to grayscale using NTSC conversion weights

								    float gray = dot(base.rgb, vec3(0.299, 0.587, 0.114));


								    gl_FragColor = vec4(gray, gray, gray, base.a);

								}