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-rw-r--r--src/intel/vulkan/anv_extensions_gen.py184
1 files changed, 184 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_extensions_gen.py b/src/intel/vulkan/anv_extensions_gen.py
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+++ b/src/intel/vulkan/anv_extensions_gen.py
@@ -0,0 +1,184 @@
+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))