MaterialFunc.h

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//#define STB_IMAGE_IMPLEMENTATION
//#define STB_IMAGE_WRITE_IMPLEMENTATION
#include "Node.h"
#include "stb/stb_image.h"
 
 
namespace dyno 
{
    bool loadTexture(const char* path, dyno::CArray2D<dyno::Vec4f>& img)
    {
        int x, y, comp;
        stbi_set_flip_vertically_on_load(true);
 
        float* data = stbi_loadf(path, &x, &y, &comp, STBI_default);
 
        if (data) {
            img.resize(x, y);
            for (int x0 = 0; x0 < x; x0++)
            {
                for (int y0 = 0; y0 < y; y0++)
                {
                    int idx = (y0 * x + x0) * comp;
                    for (int c0 = 0; c0 < comp; c0++) {
                        img(x0, y0)[c0] = data[idx + c0];
                    }
                }
            }
            delete[] data;
        }
 
        return data != 0;
    }
    
}