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#!/usr/bin/python3 -i
#
# Copyright (c) 2018 Valve Corporation
# Copyright (c) 2018 LunarG, Inc.
#
# 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 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.
import sys
from base_generator import BaseGenerator, BaseGeneratorOptions, write
class LayerFuncTableGeneratorOptions(BaseGeneratorOptions):
"""Eliminates JSON black_lists and platform_types files, which are not necessary for
function table generation.
Options for Vulkan layer function table C++ code generation.
"""
def __init__(
self,
filename=None,
directory='.',
prefix_text='',
protect_file=False,
protect_feature=True,
extraVulkanHeaders=[]
):
BaseGeneratorOptions.__init__(
self,
None,
None,
filename,
directory,
prefix_text,
protect_file,
protect_feature,
extraVulkanHeaders=extraVulkanHeaders
)
class LayerFuncTableGenerator(BaseGenerator):
"""LayerFuncTableGenerator - subclass of BaseGenerator.
Generates C++ function table for the Vulkan API calls exported by the layer.
Generate Vulkan layer function table C++ type declarations.
"""
def __init__(
self, err_file=sys.stderr, warn_file=sys.stderr, diag_file=sys.stdout
):
BaseGenerator.__init__(
self,
process_cmds=True,
process_structs=False,
feature_break=False,
err_file=err_file,
warn_file=warn_file,
diag_file=diag_file
)
# The trace layer does not currently implement or export the instance version query
self.APICALL_BLACKLIST = ['vkEnumerateInstanceVersion']
# These functions are provided directly by the layer, and are not encoded
self.LAYER_FUNCTIONS = [
'vkGetInstanceProcAddr', 'vkGetDeviceProcAddr',
'vkEnumerateInstanceLayerProperties',
'vkEnumerateDeviceLayerProperties',
'vkEnumerateInstanceExtensionProperties',
'vkEnumerateDeviceExtensionProperties'
]
def beginFile(self, gen_opts):
"""Method override."""
BaseGenerator.beginFile(self, gen_opts)
write(
'#include "encode/custom_vulkan_api_call_encoders.h"',
file=self.outFile
)
write(
'#include "generated/generated_vulkan_api_call_encoders.h"',
file=self.outFile
)
write('#include "layer/trace_layer.h"', file=self.outFile)
write('#include "util/defines.h"', file=self.outFile)
self.newline()
self.includeVulkanHeaders(gen_opts)
self.newline()
write('#include <unordered_map>', file=self.outFile)
self.newline()
write('GFXRECON_BEGIN_NAMESPACE(gfxrecon)', file=self.outFile)
self.newline()
write(
'const std::unordered_map<std::string, PFN_vkVoidFunction> func_table = {',
file=self.outFile
)
def endFile(self):
"""Method override."""
# Manually output the physical device proc address function as its name doesn't
# match the scheme used by self.LAYER_FUNCTIONS:
align = 100 - len('vk_layerGetPhysicalDeviceProcAddr')
write(' { "vk_layerGetPhysicalDeviceProcAddr",%sreinterpret_cast<PFN_vkVoidFunction>(GetPhysicalDeviceProcAddr) },' % (' ' * align), file=self.outFile)
write('};', file=self.outFile)
self.newline()
write('GFXRECON_END_NAMESPACE(gfxrecon)', file=self.outFile)
# Finish processing in superclass
BaseGenerator.endFile(self)
def need_feature_generation(self):
"""Indicates that the current feature has C++ code to generate."""
if self.feature_cmd_params:
return True
return False
def generate_feature(self):
"""Performs C++ code generation for the feature."""
for cmd in self.get_filtered_cmd_names():
align = 100 - len(cmd)
if (cmd in self.LAYER_FUNCTIONS):
body = ' {{ "{}",{}reinterpret_cast<PFN_vkVoidFunction>({}) }},'.format(
cmd, (' ' * align), cmd[2:]
)
else:
body = ' {{ "{}",{}reinterpret_cast<PFN_vkVoidFunction>(encode::{}) }},'.format(
cmd, (' ' * align), cmd[2:]
)
write(body, file=self.outFile)
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