- const GLchan *texel = ((GLchan *) img->Data) + (pos << 2); /* pos*4 */
- rgba[i][RCOMP] = CHAN_TO_FLOAT(texel[0]);
- rgba[i][GCOMP] = CHAN_TO_FLOAT(texel[1]);
- rgba[i][BCOMP] = CHAN_TO_FLOAT(texel[2]);
- rgba[i][ACOMP] = CHAN_TO_FLOAT(texel[3]);
+ const GLuint texel = *((GLuint *) img->Data + pos);
+ rgba[i][RCOMP] = UBYTE_TO_FLOAT( (texel >> 24) );
+ rgba[i][GCOMP] = UBYTE_TO_FLOAT( (texel >> 16) & 0xff );
+ rgba[i][BCOMP] = UBYTE_TO_FLOAT( (texel >> 8) & 0xff );
+ rgba[i][ACOMP] = UBYTE_TO_FLOAT( (texel ) & 0xff );