On Fri, 11 Nov 2011 14:09:51 -0800, Ian Romanick <i...@freedesktop.org> wrote: > On 11/11/2011 10:57 AM, Eric Anholt wrote: > > This is required for GL 3.0. The old comment about Z24 is dropped, > > since we support X8_Z24 now. > > --- > > src/mesa/drivers/dri/intel/intel_context.c | 13 ++----------- > > 1 files changed, 2 insertions(+), 11 deletions(-) > > > > diff --git a/src/mesa/drivers/dri/intel/intel_context.c > > b/src/mesa/drivers/dri/intel/intel_context.c > > index d00d5d4..4ee7e35 100644 > > --- a/src/mesa/drivers/dri/intel/intel_context.c > > +++ b/src/mesa/drivers/dri/intel/intel_context.c > > @@ -648,21 +648,12 @@ intelInitContext(struct intel_context *intel, > > } > > > > /* Depth and stencil */ > > + if (intel->gen>= 4) > > + ctx->TextureFormatSupported[MESA_FORMAT_Z16] = true; > > Why is this restricted to GEN4+? i915 can do 16-bit depth, and it looks > like it can handle 16-bit textures.
i915 had all sorts of restrictions on using 16-bit depth as I recall. I wouldn't do it without testing.
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