+ case GL_UNSIGNED_INT_24_8:
+ {
+ const GLdouble scale = (GLdouble) 0xffffff;
+ GLuint *dst = (GLuint *) dest;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ GLuint z = (GLuint) (depthSpan[i] * scale);
+ assert(z <= 0xffffff);
+ dst[i] = (z << 8);
+ }
+ if (dstPacking->SwapBytes) {
+ _mesa_swap4( (GLuint *) dst, n );
+ }
+ break;
+ }