Interesting... Does the actual hardware support double? (atleast for nv0) Thank you!
On Sun, Feb 8, 2015 at 12:20 PM, Ilia Mirkin <imir...@alum.mit.edu> wrote: > It all works fine on nvc0 and softpipe with my branch at > > https://github.com/imirkin/mesa/commits/fp64-4 > > This branch also includes Dave's preliminary work on r600/cayman, not > sure how far along it is, I believe it's still missing a few things. > The nvc0 implementation needs a few more finishing touches for > handling RCP and RSQ better (just adding a couple of steps of > Newton-Raphson, since the hw only computes 32 bits of the 64-bit > result). > > > On Sun, Feb 8, 2015 at 12:04 PM, Aditya Avinash > <adityaavina...@gmail.com> wrote: > > Hi, > > How far is glsl compiler working for fp64 shader? > > > > On Sun, Feb 8, 2015 at 4:00 AM, Ilia Mirkin <imir...@alum.mit.edu> > wrote: > >> > >> From: Dave Airlie <airl...@redhat.com> > >> > >> v2: add define bit (Tapani Pälli) > >> > >> Patch makes following Piglit tests pass: > >> arb_gpu_shader_fp64/preprocessor/define.vert > >> arb_gpu_shader_fp64/preprocessor/define.frag > >> > >> Reviewed-by: Ian Romanick <ian.d.roman...@intel.com> > >> Signed-off-by: Dave Airlie <airl...@redhat.com> > >> Reviewed-by: Matt Turner <matts...@gmail.com> > >> --- > >> src/glsl/glcpp/glcpp-parse.y | 3 +++ > >> src/glsl/glsl_parser_extras.cpp | 1 + > >> src/glsl/glsl_parser_extras.h | 2 ++ > >> src/glsl/standalone_scaffolding.cpp | 1 + > >> 4 files changed, 7 insertions(+) > >> > >> diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y > >> index e5bebe5..c2f5223 100644 > >> --- a/src/glsl/glcpp/glcpp-parse.y > >> +++ b/src/glsl/glcpp/glcpp-parse.y > >> @@ -2445,6 +2445,9 @@ > >> _glcpp_parser_handle_version_declaration(glcpp_parser_t *parser, > intmax_t > >> versio > >> if (extensions->ARB_gpu_shader5) > >> add_builtin_define(parser, "GL_ARB_gpu_shader5", 1); > >> > >> + if (extensions->ARB_gpu_shader_fp64) > >> + add_builtin_define(parser, "GL_ARB_gpu_shader_fp64", > 1); > >> + > >> if (extensions->AMD_vertex_shader_layer) > >> add_builtin_define(parser, > "GL_AMD_vertex_shader_layer", > >> 1); > >> > >> diff --git a/src/glsl/glsl_parser_extras.cpp > >> b/src/glsl/glsl_parser_extras.cpp > >> index ccdf031..cb19ce1 100644 > >> --- a/src/glsl/glsl_parser_extras.cpp > >> +++ b/src/glsl/glsl_parser_extras.cpp > >> @@ -527,6 +527,7 @@ static const _mesa_glsl_extension > >> _mesa_glsl_supported_extensions[] = { > >> EXT(ARB_fragment_coord_conventions, true, false, > >> ARB_fragment_coord_conventions), > >> EXT(ARB_fragment_layer_viewport, true, false, > >> ARB_fragment_layer_viewport), > >> EXT(ARB_gpu_shader5, true, false, > >> ARB_gpu_shader5), > >> + EXT(ARB_gpu_shader_fp64, true, false, > >> ARB_gpu_shader_fp64), > >> EXT(ARB_sample_shading, true, false, > >> ARB_sample_shading), > >> EXT(ARB_separate_shader_objects, true, false, dummy_true), > >> EXT(ARB_shader_atomic_counters, true, false, > >> ARB_shader_atomic_counters), > >> diff --git a/src/glsl/glsl_parser_extras.h > b/src/glsl/glsl_parser_extras.h > >> index 843fdae..dafee4e 100644 > >> --- a/src/glsl/glsl_parser_extras.h > >> +++ b/src/glsl/glsl_parser_extras.h > >> @@ -414,6 +414,8 @@ struct _mesa_glsl_parse_state { > >> bool ARB_fragment_layer_viewport_warn; > >> bool ARB_gpu_shader5_enable; > >> bool ARB_gpu_shader5_warn; > >> + bool ARB_gpu_shader_fp64_enable; > >> + bool ARB_gpu_shader_fp64_warn; > >> bool ARB_sample_shading_enable; > >> bool ARB_sample_shading_warn; > >> bool ARB_separate_shader_objects_enable; > >> diff --git a/src/glsl/standalone_scaffolding.cpp > >> b/src/glsl/standalone_scaffolding.cpp > >> index 67b0d0c..ad0d75b 100644 > >> --- a/src/glsl/standalone_scaffolding.cpp > >> +++ b/src/glsl/standalone_scaffolding.cpp > >> @@ -127,6 +127,7 @@ void initialize_context_to_defaults(struct > gl_context > >> *ctx, gl_api api) > >> ctx->Extensions.ARB_fragment_coord_conventions = true; > >> ctx->Extensions.ARB_fragment_layer_viewport = true; > >> ctx->Extensions.ARB_gpu_shader5 = true; > >> + ctx->Extensions.ARB_gpu_shader_fp64 = true; > >> ctx->Extensions.ARB_sample_shading = true; > >> ctx->Extensions.ARB_shader_bit_encoding = true; > >> ctx->Extensions.ARB_shader_stencil_export = true; > >> -- > >> 2.0.5 > >> > >> _______________________________________________ > >> mesa-dev mailing list > >> mesa-dev@lists.freedesktop.org > >> http://lists.freedesktop.org/mailman/listinfo/mesa-dev > > > > > > > > > > -- > > Regards, > > Aditya Atluri, > > USA. > > > -- Regards, *Aditya Atluri,* *USA.*
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