[Mesa-dev] [PATCH 11/24] spirv_extensions: add list of extensions and to_string method
Eric Engestrom
eric.engestrom at imgtec.com
Tue Nov 28 13:13:52 UTC 2017
On Tuesday, 2017-11-28 14:01:38 +0100, Alejandro Piñeiro wrote:
> On 28/11/17 11:36, Eric Engestrom wrote:
> > On Monday, 2017-11-27 13:21:31 +0200, Tapani Pälli wrote:
> >>
> >> On 11/15/2017 03:22 PM, Eduardo Lima Mitev wrote:
> >>> From: Alejandro Piñeiro <apinheiro at igalia.com>
> >>>
> >>> Ideally this should be generated somehow. One option would be gather
> >>> all the extension dependencies listed on the core grammar, but there
> >>> would be the possibility of not including some of the extensions.
> >>>
> >>> Note that spirv-tools is doing it just slightly better, as it has a
> >>> hardcoded list of extensions manually took from the registry, that
> >>> they parse to get the enum and the to_string method (see
> >>> generate_grammar_tables.py).
> >>> ---
> >>> src/compiler/Makefile.sources | 2 +
> >>> src/compiler/spirv/spirv_extensions.c | 61 +++++++++++++++++++++++++++++++
> >>> src/compiler/spirv/spirv_extensions.h | 69 +++++++++++++++++++++++++++++++++++
> >>> 3 files changed, 132 insertions(+)
> >>> create mode 100644 src/compiler/spirv/spirv_extensions.c
> >>> create mode 100644 src/compiler/spirv/spirv_extensions.h
> >>>
> >>> diff --git a/src/compiler/Makefile.sources b/src/compiler/Makefile.sources
> >>> index 2ab8e163a26..f198456c751 100644
> >>> --- a/src/compiler/Makefile.sources
> >>> +++ b/src/compiler/Makefile.sources
> >>> @@ -293,6 +293,8 @@ SPIRV_FILES = \
> >>> spirv/GLSL.std.450.h \
> >>> spirv/nir_spirv.h \
> >>> spirv/spirv.h \
> >>> + spirv/spirv_extensions.c \
> >>> + spirv/spirv_extensions.h \
> >>> spirv/spirv_info.h \
> >>> spirv/spirv_to_nir.c \
> >>> spirv/vtn_alu.c \
> >>> diff --git a/src/compiler/spirv/spirv_extensions.c b/src/compiler/spirv/spirv_extensions.c
> >>> new file mode 100644
> >>> index 00000000000..64d61c49d31
> >>> --- /dev/null
> >>> +++ b/src/compiler/spirv/spirv_extensions.c
> >>> @@ -0,0 +1,61 @@
> >>> +/*
> >>> + * Copyright © 2017 Intel Corporation
> >>> + *
> >>> + * Permission is hereby granted, free of charge, to any person obtaining a
> >>> + * copy of this software and associated documentation files (the "Software"),
> >>> + * to deal in the Software without restriction, including without limitation
> >>> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> >>> + * and/or sell copies of the Software, and to permit persons to whom the
> >>> + * Software is furnished to do so, subject to the following conditions:
> >>> + *
> >>> + * The above copyright notice and this permission notice (including the next
> >>> + * paragraph) shall be included in all copies or substantial portions of the
> >>> + * Software.
> >>> + *
> >>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> >>> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> >>> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> >>> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> >>> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> >>> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> >>> + * IN THE SOFTWARE.
> >>> + */
> >>> +
> >>> +#include "spirv.h"
> >>> +#include "spirv_extensions.h"
> >>> +
> >>> +const char *
> >>> +spirv_extensions_to_string(SpvExtension ext)
> >>> +{
> >>> + switch (ext) {
> >>> + case SPV_AMD_shader_explicit_vertex_parameter: return "SPV_AMD_shader_explicit_vertex_parameter";
> >>> + case SPV_AMD_shader_trinary_minmax: return "SPV_AMD_shader_trinary_minmax";
> >>> + case SPV_AMD_gcn_shader: return "SPV_AMD_gcn_shader";
> >>> + case SPV_KHR_shader_ballot: return "SPV_KHR_shader_ballot";
> >>> + case SPV_AMD_shader_ballot: return "SPV_AMD_shader_ballot";
> >>> + case SPV_AMD_gpu_shader_half_float: return "SPV_AMD_gpu_shader_half_float";
> >>> + case SPV_KHR_shader_draw_parameters: return "SPV_KHR_shader_draw_parameters";
> >>> + case SPV_KHR_subgroup_vote: return "SPV_KHR_subgroup_vote";
> >>> + case SPV_KHR_16bit_storage: return "SPV_KHR_16bit_storage";
> >>> + case SPV_KHR_device_group: return "SPV_KHR_device_group";
> >>> + case SPV_KHR_multiview: return "SPV_KHR_multiview";
> >>> + case SPV_NVX_multiview_per_view_attributes: return "SPV_NVX_multiview_per_view_attributes";
> >>> + case SPV_NV_viewport_array2: return "SPV_NV_viewport_array2";
> >>> + case SPV_NV_stereo_view_rendering: return "SPV_NV_stereo_view_rendering";
> >>> + case SPV_NV_sample_mask_override_coverage: return "SPV_NV_sample_mask_override_coverage";
> >>> + case SPV_NV_geometry_shader_passthrough: return "SPV_NV_geometry_shader_passthrough";
> >>> + case SPV_AMD_texture_gather_bias_lod: return "SPV_AMD_texture_gather_bias_lod";
> >>> + case SPV_KHR_storage_buffer_storage_class: return "SPV_KHR_storage_buffer_storage_class";
> >>> + case SPV_KHR_variable_pointers: return "SPV_KHR_variable_pointers";
> >>> + case SPV_AMD_gpu_shader_int16: return "SPV_AMD_gpu_shader_int16";
> >>> + case SPV_KHR_post_depth_coverage: return "SPV_KHR_post_depth_coverage";
> >>> + case SPV_KHR_shader_atomic_counter_ops: return "SPV_KHR_shader_atomic_counter_ops";
> >>> + case SPV_EXT_shader_stencil_export: return "SPV_EXT_shader_stencil_export";
> >>> + case SPV_EXT_shader_viewport_index_layer: return "SPV_EXT_shader_viewport_index_layer";
> >>> + case SPV_AMD_shader_image_load_store_lod: return "SPV_AMD_shader_image_load_store_lod";
> >>> + case SPV_AMD_shader_fragment_mask: return "SPV_AMD_shader_fragment_mask";
> >>> + default: return "unknown";
> >>
> >> This could make it a bit less noisy looking?
> >>
> >> --- 8< ---
> >> const char *
> >> spirv_extensions_to_string(SpvExtension ext)
> >> {
> >> #define STR(x) case x : return #x;
> >> switch (ext) {
> >> STR(SPV_AMD_shader_explicit_vertex_parameter);
> >> ...
> >> default:
> >> return "unknown";
> > Actually, I would recommend removing the `default:` and moving that
> > `return unknown` outside of the switch(), in order for `-Wswitch` to
> > be able to do its job of warning for unhandled enum values :)
>
> Then it will complain due unhandled SPV_EXTENSIONS_COUNT, that we use to
> count the number of SPV extensions that we know.
case SPV_EXTENSIONS_COUNT: unreachable("invalid extension");
(you don't even need a `break;` after an `unreachable()` :)
>
> > The `return unknown` might also deserve an assert()?
>
> Makes sense, although I will use a unreachable instead.
> >
> >> }
> >> #undef STR
> >> }
> >> --- 8< ---
> >>
> >>
> >>> + }
> >>> +
> >>> + return "unknown";
> >>> +}
> >>> diff --git a/src/compiler/spirv/spirv_extensions.h b/src/compiler/spirv/spirv_extensions.h
> >>> new file mode 100644
> >>> index 00000000000..54bc7f2dbe0
> >>> --- /dev/null
> >>> +++ b/src/compiler/spirv/spirv_extensions.h
> >>> @@ -0,0 +1,69 @@
> >>> +/*
> >>> + * Copyright © 2017 Intel Corporation
> >>> + *
> >>> + * Permission is hereby granted, free of charge, to any person obtaining a
> >>> + * copy of this software and associated documentation files (the "Software"),
> >>> + * to deal in the Software without restriction, including without limitation
> >>> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> >>> + * and/or sell copies of the Software, and to permit persons to whom the
> >>> + * Software is furnished to do so, subject to the following conditions:
> >>> + *
> >>> + * The above copyright notice and this permission notice (including the next
> >>> + * paragraph) shall be included in all copies or substantial portions of the
> >>> + * Software.
> >>> + *
> >>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> >>> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> >>> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> >>> + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> >>> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> >>> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> >>> + * IN THE SOFTWARE.
> >>> + */
> >>> +
> >>> +#ifndef _SPIRV_EXTENSIONS_H_
> >>> +#define _SPIRV_EXTENSIONS_H_
> >>> +
> >>> +#include "compiler/nir/nir.h"
> >>> +
> >>> +#ifdef __cplusplus
> >>> +extern "C" {
> >>> +#endif
> >>> +
> >>> +typedef enum SpvExtension_ {
> >>> + SPV_AMD_shader_explicit_vertex_parameter = 0,
> >>> + SPV_AMD_shader_trinary_minmax,
> >>> + SPV_AMD_gcn_shader,
> >>> + SPV_KHR_shader_ballot,
> >>> + SPV_AMD_shader_ballot,
> >>> + SPV_AMD_gpu_shader_half_float,
> >>> + SPV_KHR_shader_draw_parameters,
> >>> + SPV_KHR_subgroup_vote,
> >>> + SPV_KHR_16bit_storage,
> >>> + SPV_KHR_device_group,
> >>> + SPV_KHR_multiview,
> >>> + SPV_NVX_multiview_per_view_attributes,
> >>> + SPV_NV_viewport_array2,
> >>> + SPV_NV_stereo_view_rendering,
> >>> + SPV_NV_sample_mask_override_coverage,
> >>> + SPV_NV_geometry_shader_passthrough,
> >>> + SPV_AMD_texture_gather_bias_lod,
> >>> + SPV_KHR_storage_buffer_storage_class,
> >>> + SPV_KHR_variable_pointers,
> >>> + SPV_AMD_gpu_shader_int16,
> >>> + SPV_KHR_post_depth_coverage,
> >>> + SPV_KHR_shader_atomic_counter_ops,
> >>> + SPV_EXT_shader_stencil_export,
> >>> + SPV_EXT_shader_viewport_index_layer,
> >>> + SPV_AMD_shader_image_load_store_lod,
> >>> + SPV_AMD_shader_fragment_mask,
> >>> + SPV_EXTENSIONS_COUNT
> >>> +} SpvExtension;
> >>> +
> >>> +const char *spirv_extensions_to_string(SpvExtension ext);
> >>> +
> >>> +#ifdef __cplusplus
> >>> +}
> >>> +#endif
> >>> +
> >>> +#endif /* SPIRV_EXTENSIONS */
> >>>
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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