On Mon, Aug 13, 2012 at 2:06 AM, Kenneth Graunke wrote:
> The final step of _mesa_unpack_depth_span is to take the temporary
> GLfloat depth values and convert them to the desired format. When
> converting to GL_UNSIGNED_INTEGER with depthMax > 0xff, we use
> double-precision math to avoid ov
The final step of _mesa_unpack_depth_span is to take the temporary
GLfloat depth values and convert them to the desired format. When
converting to GL_UNSIGNED_INTEGER with depthMax > 0xff, we use
double-precision math to avoid overflow and precision problems.
Or at least that's the idea. Unf