On 04/06/2015 05:06 PM, Kenneth Graunke wrote: > This allows those formats to work with the meta PBO upload path. > > Signed-off-by: Kenneth Graunke <kenn...@whitecape.org> > --- > src/mesa/drivers/dri/i965/brw_surface_formats.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/src/mesa/drivers/dri/i965/brw_surface_formats.c > b/src/mesa/drivers/dri/i965/brw_surface_formats.c > index 7261c01..7524ad9 100644 > --- a/src/mesa/drivers/dri/i965/brw_surface_formats.c > +++ b/src/mesa/drivers/dri/i965/brw_surface_formats.c > @@ -582,6 +582,14 @@ brw_init_surface_formats(struct brw_context *brw) > case BRW_SURFACEFORMAT_L16_FLOAT: > render = BRW_SURFACEFORMAT_R16_FLOAT; > break; > + case BRW_SURFACEFORMAT_I8_UNORM: > + case BRW_SURFACEFORMAT_L8_UNORM: > + render = BRW_SURFACEFORMAT_R8_UNORM; > + break;
I wasn't sure this was correct, so I spent some time digging in the GL spec. Table 3.15 on page 179 (page 195 of the PDF) of the OpenGL 3.0 spec shows that this mapping is correct. Reviewed-by: Ian Romanick <ian.d.roman...@intel.com> > + case BRW_SURFACEFORMAT_I16_UNORM: > + case BRW_SURFACEFORMAT_L16_UNORM: > + render = BRW_SURFACEFORMAT_R16_UNORM; > + break; > case BRW_SURFACEFORMAT_B8G8R8X8_UNORM: > /* XRGB is handled as ARGB because the chips in this family > * cannot render to XRGB targets. This means that we have to > _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
