anv: Split anv_extensions.py into two files

The new anv_extensions_gen.py is the code generator while the old
anv_extensions.py file is purely declarative.

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>

src/intel/Makefile.vulkan.am

 		--outdir $(builddir)/vulkan
 vulkan/anv_entrypoints.h: vulkan/anv_entrypoints.c
 
-vulkan/anv_extensions.c: vulkan/anv_extensions.py \
+vulkan/anv_extensions.c: vulkan/anv_extensions_gen.py \
+			 vulkan/anv_extensions.py \
 			 $(vulkan_api_xml) \
 			 $(vk_android_native_buffer_xml)
 	$(MKDIR_GEN)
-	$(AM_V_GEN)$(PYTHON2) $(srcdir)/vulkan/anv_extensions.py \
+	$(AM_V_GEN)$(PYTHON2) $(srcdir)/vulkan/anv_extensions_gen.py \
 		--xml $(vulkan_api_xml) \
 		--xml $(vk_android_native_buffer_xml) \
 		--out $@

src/intel/vulkan/anv_extensions.py

         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']:
-#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)
-
-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('--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))

src/intel/vulkan/anv_extensions_gen.py

+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 xml.etree.cElementTree as et
+
+from mako.template import Template
+
+from anv_extensions import *
+
+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 = 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']:
+#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)
+
+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('--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'],
+    }
+
+    with open(args.out, 'w') as f:
+        f.write(_TEMPLATE.render(**template_env))

src/intel/vulkan/meson.build

 
 anv_extensions_c = custom_target(
   'anv_extensions.c',
-  input : ['anv_extensions.py', vk_api_xml, vk_android_native_buffer_xml],
+  input : ['anv_extensions_gen.py', vk_api_xml, vk_android_native_buffer_xml,
+           'anv_extensions.py'],
   output : 'anv_extensions.c',
   command : [
     prog_python2, '@INPUT0@', '--xml', '@INPUT1@', '--xml', '@INPUT2@',