" pos.y = pos.y * 3.0; \n"
" mediump vec4 world = uModelView * vec4(pos,1.0); \n"
" gl_Position = uProjection * world; \n"
- " vTexCoord = aTexCoord; \n"
+ " vTexCoord = mix( sTextureRect.xy, sTextureRect.zw, aTexCoord ); \n"
"} \n" );
std::string fragmentShader(