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| author | Roland Scheidegger <sroland@vmware.com> | 2013-04-03 01:06:52 +0200 |
|---|---|---|
| committer | Roland Scheidegger <sroland@vmware.com> | 2013-04-04 01:03:42 +0200 |
| commit | 067a0ae42017f327edce7634890e699b4ec8492c (patch) | |
| tree | 0b5306641ea0aec8efe71c58f87a456de295d756 /src/gallium/auxiliary/util | |
| parent | 302df7cc85b0e2ce47c40048f30bd116b0d692fc (diff) | |
| download | external_mesa3d-067a0ae42017f327edce7634890e699b4ec8492c.zip external_mesa3d-067a0ae42017f327edce7634890e699b4ec8492c.tar.gz external_mesa3d-067a0ae42017f327edce7634890e699b4ec8492c.tar.bz2 | |
gallivm: use f16c hw support for float->half and half->float conversion
Should be way faster of course on cpus supporting this (includes AMD
Bulldozer and Jaguar cores, Intel Ivy Bridge and up (except budget models)).
Passes piglit fbo-blending-formats GL_ARB_texture_float -auto on Ivy Bridge.
Reviewed-by: Brian Paul <brianp@vmware.com>
Diffstat (limited to 'src/gallium/auxiliary/util')
| -rw-r--r-- | src/gallium/auxiliary/util/u_cpu_detect.c | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_cpu_detect.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c b/src/gallium/auxiliary/util/u_cpu_detect.c index 0328051..7e6df9d 100644 --- a/src/gallium/auxiliary/util/u_cpu_detect.c +++ b/src/gallium/auxiliary/util/u_cpu_detect.c @@ -279,6 +279,7 @@ util_cpu_detect(void) util_cpu_caps.has_sse4_1 = (regs2[2] >> 19) & 1; util_cpu_caps.has_sse4_2 = (regs2[2] >> 20) & 1; util_cpu_caps.has_avx = (regs2[2] >> 28) & 1; + util_cpu_caps.has_f16c = (regs2[2] >> 29) & 1; util_cpu_caps.has_mmx2 = util_cpu_caps.has_sse; /* SSE cpus supports mmxext too */ cacheline = ((regs2[1] >> 8) & 0xFF) * 8; diff --git a/src/gallium/auxiliary/util/u_cpu_detect.h b/src/gallium/auxiliary/util/u_cpu_detect.h index acac686..21c2f04 100644 --- a/src/gallium/auxiliary/util/u_cpu_detect.h +++ b/src/gallium/auxiliary/util/u_cpu_detect.h @@ -63,6 +63,7 @@ struct util_cpu_caps { unsigned has_sse4_1:1; unsigned has_sse4_2:1; unsigned has_avx:1; + unsigned has_f16c:1; unsigned has_3dnow:1; unsigned has_3dnow_ext:1; unsigned has_altivec:1; |