Am 18.07.2012 07:11, schrieb Marek Olšák: > On Wed, Jul 18, 2012 at 1:58 AM, Roland Scheidegger <srol...@vmware.com> > wrote: >> Am 17.07.2012 23:49, schrieb Stéphane Marchesin: >>> On Mon, Jul 16, 2012 at 11:43 AM, Jose Fonseca <jfons...@vmware.com> wrote: >>>> FYI, I've just pushed a branch named llvmpipe-wider-regs, which allows >>>> llvmpipe to leverage SIMD registers wider than 128bits. >>>> >>>> Unfortunately, performance-wise this doesn't change much, as llvmpipe >>>> performance is dominated by integer SIMD instructions, whereas currently >>>> the AVX instruction set currently only supports floating SIMD >>>> instructions. Actually, often things will get slightly slower, as there >>>> are considerable overheads in piecing together the 256 floating point code >>>> paths and 128-bit integer code paths. >>>> >>>> The benefit for this change is foremost architectural: llvmpipe now makes >>>> less assumptions regarding the number of pixels/quads/etc that fit into a >>>> hardware register, a flexibility which will be necessary to get things >>>> like per-pixel LOD working properly. >>>> >>>> This barely touch files outside gallivm/draw/llvmpipe modules. I haven't >>>> tested i915g, r300g, so let me know if there are regressions / concerns. >>>> I'd like to merge this into master soon. >>> >>> >>> It regresses the following on i915g (and I suspect it will regress on >>> llvmpipe also): >>> draw-vertices pass -> abort >>> draw-vertices-half-float pass -> crash >>> draw-vertices-half-float-user pass -> crash >>> draw-vertices-user pass -> abort >>> >>> The machine in question doesn't have AVX (or llvm 3.1 for that matter). >> >> >> I've tested this with both llvm 3.1 and 2.9, with and without avx and >> draw-vertices and draw-vertices-half-float always pass with llvmpipe. >> I don't see the other two tests (draw-vertices-half-float-user and >> draw-vertices-user) in piglit. > > Those are the same tests but with the first parameter being "user". > The test names in all.tests do not necessarily have to match the > executable filenames.
Ok. These pass too here with llvmpipe. Roland _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
