On Tue, Nov 3, 2015 at 2:14 AM, Ilia Mirkin <imir...@alum.mit.edu> wrote: > On Mon, Nov 2, 2015 at 8:07 PM, Ian Romanick <i...@freedesktop.org> wrote: >> On 11/02/2015 04:50 PM, Ilia Mirkin wrote: >>> GL_EXT_color_buffer_float adds support for float buffers in ES3.0+, but >>> explicitly disallows 32-bit blending. However this restriction was never >>> implemented in mesa. >>> >>> Add the restriction, and also allow a driver to expose >>> GL_EXT_float_blend which re-enables the functionality. >>> >>> Signed-off-by: Ilia Mirkin <imir...@alum.mit.edu> >>> --- >>> >>> Untested... looking for confirmation that this is the right thing to >>> do. Will write a piglit if it is. >> >> Some flavor of this probably is the right thing to do. The question is >> whether or not any hardware supported by Mesa can do >> GL_EXT_color_buffer_float but not GL_EXT_float_blend... if everyone can >> do both or neither, this patch series could be even simpler. :) > > Adreno A3xx can't do 32-bit blending, only 16-bit. Sorry!
r500 (r300g) can't do 32-bit blending either. Marek _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
