src/intel/vulkan/anv_extensions.py - third_party/mesa - Git at Google

 #!/usr/bin/env python
 COPYRIGHT = """\
 /*
  * 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, 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 VMWARE AND/OR ITS 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.
  */
 """

 import argparse
 import copy
 import re
 import xml.etree.cElementTree as et
 import sys

 # --pythonpath must be the first argument
 sys.path.append(sys.argv[2])

 MAX_API_VERSION = '1.0.57'

 class Extension:
     def __init__(self, name, ext_version, enable):
         self.name = name
         self.ext_version = int(ext_version)
         if enable is True:
             self.enable = 'true';
         elif enable is False:
             self.enable = 'false';
         else:
             self.enable = enable;

 # On Android, we disable all surface and swapchain extensions. Android's Vulkan
 # loader implements VK_KHR_surface and VK_KHR_swapchain, and applications
 # cannot access the driver's implementation. Moreoever, if the driver exposes
 # the those extension strings, then tests dEQP-VK.api.info.instance.extensions
 # and dEQP-VK.api.info.device fail due to the duplicated strings.
 EXTENSIONS = [
     Extension('VK_ANDROID_native_buffer',                 5, 'ANDROID'),
     Extension('VK_KHR_bind_memory2',                      1, True),
     Extension('VK_KHR_dedicated_allocation',              1, True),
     Extension('VK_KHR_descriptor_update_template',        1, True),
     Extension('VK_KHR_external_fence',                    1,
               'device->has_syncobj_wait'),
     Extension('VK_KHR_external_fence_capabilities',       1, True),
     Extension('VK_KHR_external_fence_fd',                 1, False),
     Extension('VK_KHR_external_memory',                   1, True),
     Extension('VK_KHR_external_memory_capabilities',      1, True),
     Extension('VK_KHR_external_memory_fd',                1, False),
     Extension('VK_KHR_external_semaphore',                1, True),
     Extension('VK_KHR_external_semaphore_capabilities',   1, True),
     Extension('VK_KHR_external_semaphore_fd',             1, False),
     Extension('VK_KHR_get_memory_requirements2',          1, True),
     Extension('VK_KHR_get_physical_device_properties2',   1, True),
     Extension('VK_KHR_get_surface_capabilities2',         1, 'ANV_HAS_SURFACE'),
     Extension('VK_KHR_image_format_list',                 1, True),
     Extension('VK_KHR_incremental_present',               1, True),
     Extension('VK_KHR_maintenance1',                      1, True),
     Extension('VK_KHR_maintenance2',                      1, True),
     Extension('VK_KHR_push_descriptor',                   1, True),
     Extension('VK_KHR_relaxed_block_layout',              1, True),
     Extension('VK_KHR_sampler_mirror_clamp_to_edge',      1, True),
     Extension('VK_KHR_sampler_ycbcr_conversion',          1, True),
     Extension('VK_KHR_shader_draw_parameters',            1, True),
     Extension('VK_KHR_storage_buffer_storage_class',      1, True),
     Extension('VK_KHR_surface',                          25, 'ANV_HAS_SURFACE'),
     Extension('VK_KHR_swapchain',                        68, 'ANV_HAS_SURFACE'),
     Extension('VK_KHR_variable_pointers',                 1, True),
     Extension('VK_KHR_wayland_surface',                   6, 'VK_USE_PLATFORM_WAYLAND_KHR'),
     Extension('VK_KHR_xcb_surface',                       6, 'VK_USE_PLATFORM_XCB_KHR'),
     Extension('VK_KHR_xlib_surface',                      6, 'VK_USE_PLATFORM_XLIB_KHR'),
     Extension('VK_KHX_multiview',                         1, False),
     Extension('VK_EXT_debug_report',                      8, True),
     Extension('VK_KHR_external_memory_fuchsia',           1, 'VK_USE_PLATFORM_MAGMA_KHR'),
     Extension('VK_KHR_external_semaphore_fuchsia',        1, 'VK_USE_PLATFORM_MAGMA_KHR'),
     Extension('VK_GOOGLE_image_usage_scanout',            1, 'VK_USE_PLATFORM_MAGMA_KHR'),
 ]

 class VkVersion:
     def __init__(self, string):
         split = string.split('.')
         self.major = int(split[0])
         self.minor = int(split[1])
         if len(split) > 2:
             assert len(split) == 3
             self.patch = int(split[2])
         else:
             self.patch = None

         # Sanity check.  The range bits are required by the definition of the
         # VK_MAKE_VERSION macro
         assert self.major < 1024 and self.minor < 1024
         assert self.patch is None or self.patch < 4096
         assert(str(self) == string)

     def __str__(self):
         ver_list = [str(self.major), str(self.minor)]
         if self.patch is not None:
             ver_list.append(str(self.patch))
         return '.'.join(ver_list)

     def c_vk_version(self):
         ver_list = [str(self.major), str(self.minor), str(self.patch)]
         return 'VK_MAKE_VERSION(' + ', '.join(ver_list) + ')'

     def __int_ver(self):
         # This is just an expansion of VK_VERSION
         patch = self.patch if self.patch is not None else 0
         return (self.major << 22) | (self.minor << 12) | patch

     def __cmp__(self, other):
         # If only one of them has a patch version, "ignore" it by making
         # other's patch version match self.
         if (self.patch is None) != (other.patch is None):
             other = copy.copy(other)
             other.patch = self.patch

         return self.__int_ver().__cmp__(other.__int_ver())

 MAX_API_VERSION = VkVersion(MAX_API_VERSION)

 def _init_exts_from_xml(xml):
     """ Walk the Vulkan XML and fill out extra extension information. """

     xml = et.parse(xml)

     ext_name_map = {}
     for ext in EXTENSIONS:
         ext_name_map[ext.name] = ext

     for ext_elem in xml.findall('.extensions/extension'):
         ext_name = ext_elem.attrib['name']
         if ext_name not in ext_name_map:
             continue

         # Workaround for VK_ANDROID_native_buffer. Its <extension> element in
         # vk.xml lists it as supported="disabled" and provides only a stub
         # definition.  Its <extension> element in Mesa's custom
         # vk_android_native_buffer.xml, though, lists it as
         # supported='android-vendor' and fully defines the extension. We want
         # to skip the <extension> element in vk.xml.
         if ext_elem.attrib['supported'] == 'disabled':
             assert ext_name == 'VK_ANDROID_native_buffer'
             continue

         ext = ext_name_map[ext_name]
         ext.type = ext_elem.attrib['type']

 _TEMPLATE = COPYRIGHT + """
 #include "anv_private.h"

 #include "vk_util.h"

 /* Convert the VK_USE_PLATFORM_* defines to booleans */
 %for platform in ['ANDROID', 'WAYLAND', 'XCB', 'XLIB', 'MAGMA']:
 #ifdef VK_USE_PLATFORM_${platform}_KHR
 #   undef VK_USE_PLATFORM_${platform}_KHR
 #   define VK_USE_PLATFORM_${platform}_KHR true
 #else
 #   define VK_USE_PLATFORM_${platform}_KHR false
 #endif
 %endfor

 /* And ANDROID too */
 #ifdef ANDROID
 #   undef ANDROID
 #   define ANDROID true
 #else
 #   define ANDROID false
 #endif

 #define ANV_HAS_SURFACE (VK_USE_PLATFORM_WAYLAND_KHR || \\
                          VK_USE_PLATFORM_XCB_KHR || \\
                          VK_USE_PLATFORM_XLIB_KHR || \\
                          VK_USE_PLATFORM_MAGMA_KHR)

 bool
 anv_instance_extension_supported(const char *name)
 {
 %for ext in instance_extensions:
     if (strcmp(name, "${ext.name}") == 0)
         return ${ext.enable};
 %endfor
     return false;
 }

 VkResult anv_EnumerateInstanceExtensionProperties(
     const char*                                 pLayerName,
     uint32_t*                                   pPropertyCount,
     VkExtensionProperties*                      pProperties)
 {
     VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);

 %for ext in instance_extensions:
     if (${ext.enable}) {
         vk_outarray_append(&out, prop) {
             *prop = (VkExtensionProperties) {
                 .extensionName = "${ext.name}",
                 .specVersion = ${ext.ext_version},
             };
         }
     }
 %endfor

     return vk_outarray_status(&out);
 }

 uint32_t
 anv_physical_device_api_version(struct anv_physical_device *dev)
 {
     return ${MAX_API_VERSION.c_vk_version()};
 }

 bool
 anv_physical_device_extension_supported(struct anv_physical_device *device,
                                         const char *name)
 {
 %for ext in device_extensions:
     if (strcmp(name, "${ext.name}") == 0)
         return ${ext.enable};
 %endfor
     return false;
 }

 VkResult anv_EnumerateDeviceExtensionProperties(
     VkPhysicalDevice                            physicalDevice,
     const char*                                 pLayerName,
     uint32_t*                                   pPropertyCount,
     VkExtensionProperties*                      pProperties)
 {
     ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);
     VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);
     (void)device;

 %for ext in device_extensions:
     if (${ext.enable}) {
         vk_outarray_append(&out, prop) {
             *prop = (VkExtensionProperties) {
                 .extensionName = "${ext.name}",
                 .specVersion = ${ext.ext_version},
             };
         }
     }
 %endfor

     return vk_outarray_status(&out);
 }
 """

 if __name__ == '__main__':
     parser = argparse.ArgumentParser()
     parser.add_argument('--pythonpath')
     parser.add_argument('--out', help='Output C file.', required=True)
     parser.add_argument('--xml',
                         help='Vulkan API XML file.',
                         required=True,
                         action='append',
                         dest='xml_files')
     args = parser.parse_args()

     for filename in args.xml_files:
         _init_exts_from_xml(filename)

     for ext in EXTENSIONS:
         assert ext.type == 'instance' or ext.type == 'device'

     template_env = {
         'MAX_API_VERSION': MAX_API_VERSION,
         'instance_extensions': [e for e in EXTENSIONS if e.type == 'instance'],
         'device_extensions': [e for e in EXTENSIONS if e.type == 'device'],
     }

     from mako.template import Template

     with open(args.out, 'w') as f:
         f.write(Template(_TEMPLATE).render(**template_env))
	#!/usr/bin/env python
	COPYRIGHT = """\
	/*
	* 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, 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 VMWARE AND/OR ITS 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.
	*/
	"""

	import argparse
	import copy
	import re
	import xml.etree.cElementTree as et
	import sys

	# --pythonpath must be the first argument
	sys.path.append(sys.argv[2])

	MAX_API_VERSION = '1.0.57'

	class Extension:
	def __init__(self, name, ext_version, enable):
	self.name = name
	self.ext_version = int(ext_version)
	if enable is True:
	self.enable = 'true';
	elif enable is False:
	self.enable = 'false';
	else:
	self.enable = enable;

	# On Android, we disable all surface and swapchain extensions. Android's Vulkan
	# loader implements VK_KHR_surface and VK_KHR_swapchain, and applications
	# cannot access the driver's implementation. Moreoever, if the driver exposes
	# the those extension strings, then tests dEQP-VK.api.info.instance.extensions
	# and dEQP-VK.api.info.device fail due to the duplicated strings.
	EXTENSIONS = [
	Extension('VK_ANDROID_native_buffer', 5, 'ANDROID'),
	Extension('VK_KHR_bind_memory2', 1, True),
	Extension('VK_KHR_dedicated_allocation', 1, True),
	Extension('VK_KHR_descriptor_update_template', 1, True),
	Extension('VK_KHR_external_fence', 1,
	'device->has_syncobj_wait'),
	Extension('VK_KHR_external_fence_capabilities', 1, True),
	Extension('VK_KHR_external_fence_fd', 1, False),
	Extension('VK_KHR_external_memory', 1, True),
	Extension('VK_KHR_external_memory_capabilities', 1, True),
	Extension('VK_KHR_external_memory_fd', 1, False),
	Extension('VK_KHR_external_semaphore', 1, True),
	Extension('VK_KHR_external_semaphore_capabilities', 1, True),
	Extension('VK_KHR_external_semaphore_fd', 1, False),
	Extension('VK_KHR_get_memory_requirements2', 1, True),
	Extension('VK_KHR_get_physical_device_properties2', 1, True),
	Extension('VK_KHR_get_surface_capabilities2', 1, 'ANV_HAS_SURFACE'),
	Extension('VK_KHR_image_format_list', 1, True),
	Extension('VK_KHR_incremental_present', 1, True),
	Extension('VK_KHR_maintenance1', 1, True),
	Extension('VK_KHR_maintenance2', 1, True),
	Extension('VK_KHR_push_descriptor', 1, True),
	Extension('VK_KHR_relaxed_block_layout', 1, True),
	Extension('VK_KHR_sampler_mirror_clamp_to_edge', 1, True),
	Extension('VK_KHR_sampler_ycbcr_conversion', 1, True),
	Extension('VK_KHR_shader_draw_parameters', 1, True),
	Extension('VK_KHR_storage_buffer_storage_class', 1, True),
	Extension('VK_KHR_surface', 25, 'ANV_HAS_SURFACE'),
	Extension('VK_KHR_swapchain', 68, 'ANV_HAS_SURFACE'),
	Extension('VK_KHR_variable_pointers', 1, True),
	Extension('VK_KHR_wayland_surface', 6, 'VK_USE_PLATFORM_WAYLAND_KHR'),
	Extension('VK_KHR_xcb_surface', 6, 'VK_USE_PLATFORM_XCB_KHR'),
	Extension('VK_KHR_xlib_surface', 6, 'VK_USE_PLATFORM_XLIB_KHR'),
	Extension('VK_KHX_multiview', 1, False),
	Extension('VK_EXT_debug_report', 8, True),
	Extension('VK_KHR_external_memory_fuchsia', 1, 'VK_USE_PLATFORM_MAGMA_KHR'),
	Extension('VK_KHR_external_semaphore_fuchsia', 1, 'VK_USE_PLATFORM_MAGMA_KHR'),
	Extension('VK_GOOGLE_image_usage_scanout', 1, 'VK_USE_PLATFORM_MAGMA_KHR'),
	]

	class VkVersion:
	def __init__(self, string):
	split = string.split('.')
	self.major = int(split[0])
	self.minor = int(split[1])
	if len(split) > 2:
	assert len(split) == 3
	self.patch = int(split[2])
	else:
	self.patch = None

	# Sanity check. The range bits are required by the definition of the
	# VK_MAKE_VERSION macro
	assert self.major < 1024 and self.minor < 1024
	assert self.patch is None or self.patch < 4096
	assert(str(self) == string)

	def __str__(self):
	ver_list = [str(self.major), str(self.minor)]
	if self.patch is not None:
	ver_list.append(str(self.patch))
	return '.'.join(ver_list)

	def c_vk_version(self):
	ver_list = [str(self.major), str(self.minor), str(self.patch)]
	return 'VK_MAKE_VERSION(' + ', '.join(ver_list) + ')'

	def __int_ver(self):
	# This is just an expansion of VK_VERSION
	patch = self.patch if self.patch is not None else 0
	return (self.major << 22) \| (self.minor << 12) \| patch

	def __cmp__(self, other):
	# If only one of them has a patch version, "ignore" it by making
	# other's patch version match self.
	if (self.patch is None) != (other.patch is None):
	other = copy.copy(other)
	other.patch = self.patch

	return self.__int_ver().__cmp__(other.__int_ver())

	MAX_API_VERSION = VkVersion(MAX_API_VERSION)

	def _init_exts_from_xml(xml):
	""" Walk the Vulkan XML and fill out extra extension information. """

	xml = et.parse(xml)

	ext_name_map = {}
	for ext in EXTENSIONS:
	ext_name_map[ext.name] = ext

	for ext_elem in xml.findall('.extensions/extension'):
	ext_name = ext_elem.attrib['name']
	if ext_name not in ext_name_map:
	continue

	# Workaround for VK_ANDROID_native_buffer. Its <extension> element in
	# vk.xml lists it as supported="disabled" and provides only a stub
	# definition. Its <extension> element in Mesa's custom
	# vk_android_native_buffer.xml, though, lists it as
	# supported='android-vendor' and fully defines the extension. We want
	# to skip the <extension> element in vk.xml.
	if ext_elem.attrib['supported'] == 'disabled':
	assert ext_name == 'VK_ANDROID_native_buffer'
	continue

	ext = ext_name_map[ext_name]
	ext.type = ext_elem.attrib['type']

	_TEMPLATE = COPYRIGHT + """
	#include "anv_private.h"

	#include "vk_util.h"

	/* Convert the VK_USE_PLATFORM_* defines to booleans */
	%for platform in ['ANDROID', 'WAYLAND', 'XCB', 'XLIB', 'MAGMA']:
	#ifdef VK_USE_PLATFORM_${platform}_KHR
	# undef VK_USE_PLATFORM_${platform}_KHR
	# define VK_USE_PLATFORM_${platform}_KHR true
	#else
	# define VK_USE_PLATFORM_${platform}_KHR false
	#endif
	%endfor

	/* And ANDROID too */
	#ifdef ANDROID
	# undef ANDROID
	# define ANDROID true
	#else
	# define ANDROID false
	#endif

	#define ANV_HAS_SURFACE (VK_USE_PLATFORM_WAYLAND_KHR \|\| \\
	VK_USE_PLATFORM_XCB_KHR \|\| \\
	VK_USE_PLATFORM_XLIB_KHR \|\| \\
	VK_USE_PLATFORM_MAGMA_KHR)

	bool
	anv_instance_extension_supported(const char *name)
	{
	%for ext in instance_extensions:
	if (strcmp(name, "${ext.name}") == 0)
	return ${ext.enable};
	%endfor
	return false;
	}

	VkResult anv_EnumerateInstanceExtensionProperties(
	const char* pLayerName,
	uint32_t* pPropertyCount,
	VkExtensionProperties* pProperties)
	{
	VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);

	%for ext in instance_extensions:
	if (${ext.enable}) {
	vk_outarray_append(&out, prop) {
	*prop = (VkExtensionProperties) {
	.extensionName = "${ext.name}",
	.specVersion = ${ext.ext_version},
	};
	}
	}
	%endfor

	return vk_outarray_status(&out);
	}

	uint32_t
	anv_physical_device_api_version(struct anv_physical_device *dev)
	{
	return ${MAX_API_VERSION.c_vk_version()};
	}

	bool
	anv_physical_device_extension_supported(struct anv_physical_device *device,
	const char *name)
	{
	%for ext in device_extensions:
	if (strcmp(name, "${ext.name}") == 0)
	return ${ext.enable};
	%endfor
	return false;
	}

	VkResult anv_EnumerateDeviceExtensionProperties(
	VkPhysicalDevice physicalDevice,
	const char* pLayerName,
	uint32_t* pPropertyCount,
	VkExtensionProperties* pProperties)
	{
	ANV_FROM_HANDLE(anv_physical_device, device, physicalDevice);
	VK_OUTARRAY_MAKE(out, pProperties, pPropertyCount);
	(void)device;

	%for ext in device_extensions:
	if (${ext.enable}) {
	vk_outarray_append(&out, prop) {
	*prop = (VkExtensionProperties) {
	.extensionName = "${ext.name}",
	.specVersion = ${ext.ext_version},
	};
	}
	}
	%endfor

	return vk_outarray_status(&out);
	}
	"""

	if __name__ == '__main__':
	parser = argparse.ArgumentParser()
	parser.add_argument('--pythonpath')
	parser.add_argument('--out', help='Output C file.', required=True)
	parser.add_argument('--xml',
	help='Vulkan API XML file.',
	required=True,
	action='append',
	dest='xml_files')
	args = parser.parse_args()

	for filename in args.xml_files:
	_init_exts_from_xml(filename)

	for ext in EXTENSIONS:
	assert ext.type == 'instance' or ext.type == 'device'

	template_env = {
	'MAX_API_VERSION': MAX_API_VERSION,
	'instance_extensions': [e for e in EXTENSIONS if e.type == 'instance'],
	'device_extensions': [e for e in EXTENSIONS if e.type == 'device'],
	}

	from mako.template import Template

	with open(args.out, 'w') as f:
	f.write(Template(_TEMPLATE).render(**template_env))