GLSL 最简单的Shader

Arce

const char *vertexShader = {
"void main() {\n\
gl_TexCoord[0] = gl_MultiTexCoord0;\n\
gl_Position = ftransform();\n\
}\n"
};
const char *fragmentShader = {
"uniform sampler2D sampler;//纹理\n\
void main() {\n\
gl_FragColor = texture2D(sampler, gl_TexCoord[0].st);//原图\n\
}\n"
};