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Make the template of ProcTable flexible 

BUG=dawn:1201

Change-Id: I723c064c7cf8541798e5736d7860769b238cbf01
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/73400
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: ningxin hu <ningxin.hu@intel.com>
This commit is contained in:
Ningxin Hu 2021-12-22 06:12:13 +00:00 committed by Dawn LUCI CQ
parent 2b1dcd92b1
commit 7e5930bd1c
2 changed files with 48 additions and 34 deletions
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2
generator/dawn_json_generator.py
View File

@ -898,7 +898,7 @@ class MultiGeneratorFromDawnJSON(Generator):
frontend_params))
renders.append(
FileRender('dawn_native/ProcTable.cpp',
'src/dawn_native/ProcTable.cpp', frontend_params))
'src/' + native_dir + '/ProcTable.cpp', frontend_params))
renders.append(
FileRender('dawn_native/ChainUtils.h',
'src/' + native_dir + '/ChainUtils_autogen.h',

80
generator/templates/dawn_native/ProcTable.cpp
View File

@ -14,19 +14,22 @@
{% set Prefix = metadata.proc_table_prefix %}
{% set prefix = Prefix.lower() %}
#include "dawn_native/{{prefix}}_platform.h"
#include "dawn_native/{{Prefix}}Native.h"
{% set native_namespace = Name(metadata.native_namespace).snake_case() %}
{% set impl_dir = metadata.impl_dir + "/" if metadata.impl_dir else "" %}
{% set native_dir = impl_dir + native_namespace %}
#include "{{native_dir}}/{{prefix}}_platform.h"
#include "{{native_dir}}/{{Prefix}}Native.h"
#include <algorithm>
#include <vector>
{% for type in by_category["object"] %}
{% if type.name.canonical_case() not in ["texture view"] %}
#include "dawn_native/{{type.name.CamelCase()}}.h"
#include "{{native_dir}}/{{type.name.CamelCase()}}.h"
{% endif %}
{% endfor %}
namespace dawn_native {
namespace {{native_namespace}} {
{% for type in by_category["object"] %}
{% for method in c_methods(type) %}
@ -74,49 +77,60 @@ namespace dawn_native {
namespace {
{% set c_prefix = metadata.c_prefix %}
struct ProcEntry {
WGPUProc proc;
{{c_prefix}}Proc proc;
const char* name;
};
static const ProcEntry sProcMap[] = {
{% for (type, method) in c_methods_sorted_by_name %}
{ reinterpret_cast<WGPUProc>(Native{{as_MethodSuffix(type.name, method.name)}}), "{{as_cMethod(type.name, method.name)}}" },
{ reinterpret_cast<{{c_prefix}}Proc>(Native{{as_MethodSuffix(type.name, method.name)}}), "{{as_cMethod(type.name, method.name)}}" },
{% endfor %}
};
static constexpr size_t sProcMapSize = sizeof(sProcMap) / sizeof(sProcMap[0]);
} // anonymous namespace
WGPUInstance NativeCreateInstance(WGPUInstanceDescriptor const* descriptor) {
return ToAPI(InstanceBase::Create(FromAPI(descriptor)));
}
{% for function in by_category["function"] %}
{{as_cType(function.return_type.name)}} Native{{as_cppType(function.name)}}(
{%- for arg in function.arguments -%}
{% if not loop.first %}, {% endif %}{{as_annotated_cType(arg)}}
{%- endfor -%}
) {
{% if function.name.canonical_case() == "get proc address" %}
if (procName == nullptr) {
return nullptr;
}
WGPUProc NativeGetProcAddress(WGPUDevice, const char* procName) {
if (procName == nullptr) {
return nullptr;
const ProcEntry* entry = std::lower_bound(&sProcMap[0], &sProcMap[sProcMapSize], procName,
[](const ProcEntry &a, const char *b) -> bool {
return strcmp(a.name, b) < 0;
}
);
if (entry != &sProcMap[sProcMapSize] && strcmp(entry->name, procName) == 0) {
return entry->proc;
}
// Special case the free-standing functions of the API.
// TODO(dawn:1238) Checking string one by one is slow, it needs to be optimized.
{% for function in by_category["function"] %}
if (strcmp(procName, "{{as_cMethod(None, function.name)}}") == 0) {
return reinterpret_cast<{{c_prefix}}Proc>(Native{{as_cppType(function.name)}});
}
{% endfor %}
return nullptr;
{% else %}
return ToAPI({{as_cppType(function.return_type.name)}}Base::Create(
{%- for arg in function.arguments -%}
FromAPI({% if not loop.first %}, {% endif %}{{as_varName(arg.name)}})
{%- endfor -%}
));
{% endif %}
}
const ProcEntry* entry = std::lower_bound(&sProcMap[0], &sProcMap[sProcMapSize], procName,
[](const ProcEntry &a, const char *b) -> bool {
return strcmp(a.name, b) < 0;
}
);
if (entry != &sProcMap[sProcMapSize] && strcmp(entry->name, procName) == 0) {
return entry->proc;
}
// Special case the two free-standing functions of the API.
if (strcmp(procName, "wgpuGetProcAddress") == 0) {
return reinterpret_cast<WGPUProc>(NativeGetProcAddress);
}
if (strcmp(procName, "wgpuCreateInstance") == 0) {
return reinterpret_cast<WGPUProc>(NativeCreateInstance);
}
return nullptr;
}
{% endfor %}
std::vector<const char*> GetProcMapNamesForTestingInternal() {
std::vector<const char*> result;