I've got this series on my laptop for too long so I send it even if it's still in progress. The goal of this work is to enable ARB_gpu_shader_fp64 on gen6. Most of the algorithms come from "Berkeley SoftFloat" [1]. You can find a branch on my github [2].
So far we have: Patches 1-5 seems to do the job correctly. Patches 6-9 fail the Piglit tests but we handle zero, inf and NaN with success. Some tests pass if I increase the tolerance. All comments and suggestions are very welcome. [1] http://www.jhauser.us/arithmetic/SoftFloat.html [2] https://github.com/Hopetech/mesa/tree/nir_arb_gpu_shader_fp64 Elie Tournier (10): nir/lower_double_ops: lower abs() nir/lower_double_ops: lower neg() nir/lower_double_ops: lower sign() nir/lower_double_ops: lower eq() nir/lower_double_ops: lower lt() nir/lower_double_ops: lower mul() nir/lower_double_ops: lower div() nir/lower_double_ops: lower add() nir/lower_double_ops: lower sub() mesa: enable ARB_gpu_shader_fp64 on Gen6 src/compiler/nir/nir.h | 11 +- src/compiler/nir/nir_lower_double_ops.c | 1713 ++++++++++++++++++++++++++ src/intel/compiler/brw_nir.c | 11 +- src/mesa/drivers/dri/i965/intel_extensions.c | 1 + 4 files changed, 1734 insertions(+), 2 deletions(-) -- 2.11.0 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
