[Mesa-dev] [PATCH 10/24] spirv_extensions: add GL_ARB_spirv_extensions boilerplate

Alejandro Piñeiro apinheiro at igalia.com
Tue Nov 28 08:27:16 UTC 2017



On 27/11/17 23:12, Ian Romanick wrote:
> On 11/15/2017 05:22 AM, Eduardo Lima Mitev wrote:
>> From: Alejandro Piñeiro <apinheiro at igalia.com>
>>
>> ---
>>  src/mapi/glapi/gen/ARB_spirv_extensions.xml | 13 ++++++++
>>  src/mapi/glapi/gen/Makefile.am              |  1 +
>>  src/mapi/glapi/gen/gl_API.xml               |  2 ++
>>  src/mesa/Makefile.sources                   |  2 ++
>>  src/mesa/main/extensions_table.h            |  1 +
>>  src/mesa/main/get.c                         |  6 ++++
>>  src/mesa/main/get_hash_params.py            |  3 ++
>>  src/mesa/main/getstring.c                   |  7 +++++
>>  src/mesa/main/mtypes.h                      |  1 +
>>  src/mesa/main/spirvextensions.c             | 42 +++++++++++++++++++++++++
>>  src/mesa/main/spirvextensions.h             | 49 +++++++++++++++++++++++++++++
>>  11 files changed, 127 insertions(+)
>>  create mode 100644 src/mapi/glapi/gen/ARB_spirv_extensions.xml
>>  create mode 100644 src/mesa/main/spirvextensions.c
>>  create mode 100644 src/mesa/main/spirvextensions.h
> Could these files be renamed spirv_extensions.[ch]?
Ok
>
>> diff --git a/src/mapi/glapi/gen/ARB_spirv_extensions.xml b/src/mapi/glapi/gen/ARB_spirv_extensions.xml
>> new file mode 100644
>> index 00000000000..103393104c2
>> --- /dev/null
>> +++ b/src/mapi/glapi/gen/ARB_spirv_extensions.xml
>> @@ -0,0 +1,13 @@
>> +<?xml version="1.0"?>
>> +<!DOCTYPE OpenGLAPI SYSTEM "gl_API.dtd">
>> +
>> +<OpenGLAPI>
>> +
>> +<category name="GL_ARB_spirv_extensions" number="194">
>> +
>> +    <enum name="SPIR_V_EXTENSIONS" value="0x9553"/>
>> +    <enum name="NUM_SPIR_V_EXTENSIONS" value="0x9554"/>
>> +
>> +</category>
>> +
>> +</OpenGLAPI>
>> diff --git a/src/mapi/glapi/gen/Makefile.am b/src/mapi/glapi/gen/Makefile.am
>> index 35e37e95a9f..9a7a268adbf 100644
>> --- a/src/mapi/glapi/gen/Makefile.am
>> +++ b/src/mapi/glapi/gen/Makefile.am
>> @@ -167,6 +167,7 @@ API_XML = \
>>  	ARB_shader_subroutine.xml \
>>  	ARB_shader_storage_buffer_object.xml \
>>  	ARB_sparse_buffer.xml \
>> +	ARB_spirv_extensions.xml \
>>  	ARB_sync.xml \
>>  	ARB_tessellation_shader.xml \
>>  	ARB_texture_barrier.xml \
>> diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
>> index d3594cfe195..6b81160b5a1 100644
>> --- a/src/mapi/glapi/gen/gl_API.xml
>> +++ b/src/mapi/glapi/gen/gl_API.xml
>> @@ -8404,6 +8404,8 @@
>>  
>>  <xi:include href="ARB_gl_spirv.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
>>  
>> +<xi:include href="ARB_spirv_extensions.xml" xmlns:xi="http://www.w3.org/2001/XInclude"/>
>> +
>>  <!-- Non-ARB extensions sorted by extension number. -->
>>  
>>  <category name="GL_EXT_blend_color" number="2">
>> diff --git a/src/mesa/Makefile.sources b/src/mesa/Makefile.sources
>> index e9680bf004c..944c8bcc812 100644
>> --- a/src/mesa/Makefile.sources
>> +++ b/src/mesa/Makefile.sources
>> @@ -203,6 +203,8 @@ MAIN_FILES = \
>>  	main/shader_query.cpp \
>>  	main/shared.c \
>>  	main/shared.h \
>> +	main/spirvextensions.c \
>> +	main/spirvextensions.h \
>>  	main/state.c \
>>  	main/state.h \
>>  	main/stencil.c \
>> diff --git a/src/mesa/main/extensions_table.h b/src/mesa/main/extensions_table.h
>> index ab15ceb9414..06deabd0640 100644
>> --- a/src/mesa/main/extensions_table.h
>> +++ b/src/mesa/main/extensions_table.h
>> @@ -129,6 +129,7 @@ EXT(ARB_shading_language_420pack            , ARB_shading_language_420pack
>>  EXT(ARB_shading_language_packing            , ARB_shading_language_packing           , GLL, GLC,  x ,  x , 2011)
>>  EXT(ARB_shadow                              , ARB_shadow                             , GLL,  x ,  x ,  x , 2001)
>>  EXT(ARB_sparse_buffer                       , ARB_sparse_buffer                      , GLL, GLC,  x ,  x , 2014)
>> +EXT(ARB_spirv_extensions                    , ARB_spirv_extensions                   ,  x,  GLC,  x ,  x , 2016)
>>  EXT(ARB_stencil_texturing                   , ARB_stencil_texturing                  , GLL, GLC,  x ,  x , 2012)
>>  EXT(ARB_sync                                , ARB_sync                               , GLL, GLC,  x ,  x , 2003)
>>  EXT(ARB_tessellation_shader                 , ARB_tessellation_shader                ,  x , GLC,  x ,  x , 2009)
>> diff --git a/src/mesa/main/get.c b/src/mesa/main/get.c
>> index ea8d932b182..c97ec9efde9 100644
>> --- a/src/mesa/main/get.c
>> +++ b/src/mesa/main/get.c
>> @@ -34,6 +34,7 @@
>>  #include "get.h"
>>  #include "macros.h"
>>  #include "mtypes.h"
>> +#include "spirvextensions.h"
>>  #include "state.h"
>>  #include "texcompress.h"
>>  #include "texstate.h"
>> @@ -1151,6 +1152,11 @@ find_custom_value(struct gl_context *ctx, const struct value_desc *d, union valu
>>           }
>>        }
>>        break;
>> +
>> +   /* ARB_spirv_extensions */
>> +   case GL_NUM_SPIR_V_EXTENSIONS:
>> +      v->value_int = _mesa_get_spirv_extension_count(ctx);
>> +      break;
>>     }
>>  }
>>  
>> diff --git a/src/mesa/main/get_hash_params.py b/src/mesa/main/get_hash_params.py
>> index 20ef6e4977a..4378cc1cabe 100644
>> --- a/src/mesa/main/get_hash_params.py
>> +++ b/src/mesa/main/get_hash_params.py
>> @@ -378,6 +378,9 @@ descriptor=[
>>  # GL_ARB_sampler_objects / GL 3.3 / GLES 3.0
>>    [ "SAMPLER_BINDING", "LOC_CUSTOM, TYPE_INT, GL_SAMPLER_BINDING, NO_EXTRA" ],
>>  
>> +# GL_ARB_spirv_extensions
>> +  [ "NUM_SPIR_V_EXTENSIONS", "LOC_CUSTOM, TYPE_INT, 0, NO_EXTRA" ],
>> +
>>  # GL_ARB_sync
>>    [ "MAX_SERVER_WAIT_TIMEOUT", "CONTEXT_INT64(Const.MaxServerWaitTimeout), extra_ARB_sync" ],
>>  
>> diff --git a/src/mesa/main/getstring.c b/src/mesa/main/getstring.c
>> index 4c805ca4d51..d87e29c15af 100644
>> --- a/src/mesa/main/getstring.c
>> +++ b/src/mesa/main/getstring.c
>> @@ -32,6 +32,7 @@
>>  #include "extensions.h"
>>  #include "mtypes.h"
>>  #include "macros.h"
>> +#include "spirvextensions.h"
>>  
>>  /**
>>   * Return the string for a glGetString(GL_SHADING_LANGUAGE_VERSION) query.
>> @@ -184,6 +185,12 @@ _mesa_GetStringi(GLenum name, GLuint index)
>>           return (const GLubyte *) 0;
>>        }
>>        return _mesa_get_enabled_extension(ctx, index);
>> +   case GL_SPIR_V_EXTENSIONS:
>> +      if (index >= _mesa_get_spirv_extension_count(ctx)) {
>> +         _mesa_error(ctx, GL_INVALID_VALUE, "glGetStringi(index=%u)", index);
>> +         return (const GLubyte *) 0;
>> +      }
> I agree with Eric about INVALID_ENUM. 

Done locally. Sorry for not mentioning  it.

>  Also, we should add a piglit test
> that checks that INVALID_ENUM is returned when the extension is not
> supported.  That does not need to be at the top of the priority list,
> however. :)

Ok, we will add that on our TODO.

>
>> +      return _mesa_get_enabled_spirv_extension(ctx, index);
>>     default:
>>        _mesa_error(ctx, GL_INVALID_ENUM, "glGetStringi");
>>        return (const GLubyte *) 0;
>> diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
>> index bf7c4ddc051..1352ca98800 100644
>> --- a/src/mesa/main/mtypes.h
>> +++ b/src/mesa/main/mtypes.h
>> @@ -4102,6 +4102,7 @@ struct gl_extensions
>>     GLboolean ARB_shadow;
>>     GLboolean ARB_sparse_buffer;
>>     GLboolean ARB_stencil_texturing;
>> +   GLboolean ARB_spirv_extensions;
> This should be before ARB_stencil_texturing.
>
> With that and the various other nits fixed, this patch is

Ok.

>
> Reviewed-by: Ian Romanick <ian.d.romanick at intel.com>
>
>>     GLboolean ARB_sync;
>>     GLboolean ARB_tessellation_shader;
>>     GLboolean ARB_texture_border_clamp;
>> diff --git a/src/mesa/main/spirvextensions.c b/src/mesa/main/spirvextensions.c
>> new file mode 100644
>> index 00000000000..6a9fea9fe31
>> --- /dev/null
>> +++ b/src/mesa/main/spirvextensions.c
>> @@ -0,0 +1,42 @@
>> +/*
>> + * 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
>> + * on the rights to use, copy, modify, merge, publish, distribute, sub
>> + * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
>> + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
>> + */
>> +
>> +/**
>> + * \file
>> + * \brief SPIRV-V extension handling. See ARB_spirv_extensions
>> + */
>> +
>> +#include "spirvextensions.h"
>> +
>> +GLuint
>> +_mesa_get_spirv_extension_count(struct gl_context *ctx)
>> +{
>> +   return 0;
>> +}
>> +
>> +const GLubyte *
>> +_mesa_get_enabled_spirv_extension(struct gl_context *ctx,
>> +                                  GLuint index)
>> +{
>> +   return (const GLubyte *) 0;
>> +}
>> diff --git a/src/mesa/main/spirvextensions.h b/src/mesa/main/spirvextensions.h
>> new file mode 100644
>> index 00000000000..35754f7e53b
>> --- /dev/null
>> +++ b/src/mesa/main/spirvextensions.h
>> @@ -0,0 +1,49 @@
>> +/*
>> + * 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
>> + * on the rights to use, copy, modify, merge, publish, distribute, sub
>> + * license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
>> + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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.
>> + */
>> +
>> +/**
>> + * \file
>> + * \brief SPIRV-V extension handling. See ARB_spirv_extensions
>> + */
>> +
>> +#ifndef _SPIRVEXTENSIONS_H_
>> +#define _SPIRVEXTENSIONS_H_
>> +
>> +#include "mtypes.h"
>> +
>> +#ifdef __cplusplus
>> +extern "C" {
>> +#endif
>> +
>> +extern GLuint
>> +_mesa_get_spirv_extension_count(struct gl_context *ctx);
>> +
>> +extern const GLubyte *
>> +_mesa_get_enabled_spirv_extension(struct gl_context *ctx,
>> +                                  GLuint index);
>> +
>> +#ifdef __cplusplus
>> +}
>> +#endif
>> +
>> +#endif /* SPIRVEXTENSIONS_H */
>>
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