Make the prefix of proc table configurable in api.json
Add a metadata to configure the prefix of proc table and Make proc table flexiable with the prefix and declared functions. BUG=dawn:1201 Change-Id: Id28e5521506fa5dc8efca90a7883fbd3dd548e8d Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/71526 Commit-Queue: Junwei Fu <junwei.fu@intel.com> Reviewed-by: Austin Eng <enga@chromium.org>
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@ -21,6 +21,7 @@
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"api": "WebGPU",
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"c_prefix": "WGPU",
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"namespace": "wgpu",
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"proc_table_prefix": "Dawn",
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"copyright_year": "2019"
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},
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@ -28,6 +28,7 @@ The `"_metadata"` key in the JSON file is used by flexible templates for generat
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- `"api"` a string, the name of the Web API
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- `"namespace"` a string, the namespace of C++ wrapper
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- `"c_prefix"` (optional) a string, the prefix of C function and data type, it will default to upper-case of `"namespace"` if it's not provided.
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- `"proc_table_prefix"` a string, the prefix of proc table.
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- `"copyright_year"` (optional) a string, templates will use the the year of copyright.
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The basic schema is that every entry is a thing with a `"category"` key what determines the sub-schema to apply to that thing. Categories and their sub-shema are defined below. Several parts of the schema use the concept of "record" which is a list of "record members" which are a combination of a type, a name and other metadata. For example the list of arguments of a function is a record. The list of structure members is a record. This combined concept is useful for the dawn_wire generator to generate code for structure and function calls in a very similar way.
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@ -28,6 +28,7 @@ class Metadata:
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self.api = metadata['api']
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self.namespace = metadata['namespace']
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self.c_prefix = metadata.get('c_prefix', self.namespace.upper())
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self.proc_table_prefix = metadata['proc_table_prefix']
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self.copyright_year = metadata.get('copyright_year', None)
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@ -759,12 +760,13 @@ class MultiGeneratorFromDawnJSON(Generator):
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api_file_name = metadata.api.lower()
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if 'dawn_headers' in targets:
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prefix = metadata.proc_table_prefix.lower()
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renders.append(
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FileRender('api.h', 'src/include/dawn/' + api_file_name + '.h',
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[RENDER_PARAMS_BASE, params_dawn]))
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renders.append(
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FileRender('dawn_proc_table.h',
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'src/include/dawn/dawn_proc_table.h',
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'src/include/dawn/' + prefix + '_proc_table.h',
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[RENDER_PARAMS_BASE, params_dawn]))
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if 'dawncpp_headers' in targets:
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@ -12,8 +12,10 @@
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//* See the License for the specific language governing permissions and
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//* limitations under the License.
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#include "dawn_native/dawn_platform.h"
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#include "dawn_native/DawnNative.h"
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{% set Prefix = metadata.proc_table_prefix %}
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{% set prefix = Prefix.lower() %}
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#include "dawn_native/{{prefix}}_platform.h"
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#include "dawn_native/{{Prefix}}Native.h"
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#include <algorithm>
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#include <vector>
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@ -124,9 +126,10 @@ namespace dawn_native {
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return result;
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}
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static DawnProcTable gProcTable = {
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NativeGetProcAddress,
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NativeCreateInstance,
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static {{Prefix}}ProcTable gProcTable = {
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{% for function in by_category["function"] %}
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Native{{as_cppType(function.name)}},
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{% endfor %}
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{% for type in by_category["object"] %}
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{% for method in c_methods(type) %}
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Native{{as_MethodSuffix(type.name, method.name)}},
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@ -134,7 +137,7 @@ namespace dawn_native {
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{% endfor %}
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};
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const DawnProcTable& GetProcsAutogen() {
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const {{Prefix}}ProcTable& GetProcsAutogen() {
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return gProcTable;
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}
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}
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@ -12,15 +12,17 @@
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//* See the License for the specific language governing permissions and
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//* limitations under the License.
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#ifndef DAWN_DAWN_PROC_TABLE_H_
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#define DAWN_DAWN_PROC_TABLE_H_
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{% set Prefix = metadata.proc_table_prefix %}
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#ifndef DAWN_{{Prefix.upper()}}_PROC_TABLE_H_
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#define DAWN_{{Prefix.upper()}}_PROC_TABLE_H_
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#include "dawn/webgpu.h"
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#include "dawn/{{metadata.api.lower()}}.h"
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// Note: Often allocated as a static global. Do not add a complex constructor.
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typedef struct DawnProcTable {
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WGPUProcGetProcAddress getProcAddress;
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WGPUProcCreateInstance createInstance;
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typedef struct {{Prefix}}ProcTable {
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{% for function in by_category["function"] %}
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{{as_cProc(None, function.name)}} {{as_varName(function.name)}};
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{% endfor %}
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{% for type in by_category["object"] %}
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{% for method in c_methods(type) %}
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@ -28,6 +30,6 @@ typedef struct DawnProcTable {
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{% endfor %}
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{% endfor %}
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} DawnProcTable;
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} {{Prefix}}ProcTable;
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#endif // DAWN_DAWN_PROC_TABLE_H_
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#endif // DAWN_{{Prefix.upper()}}_PROC_TABLE_H_
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@ -1,11 +1,13 @@
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#include "dawn/dawn_thread_dispatch_proc.h"
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{% set Prefix = metadata.proc_table_prefix %}
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{% set prefix = Prefix.lower() %}
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#include "dawn/{{prefix}}_thread_dispatch_proc.h"
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#include <thread>
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static DawnProcTable nullProcs;
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thread_local DawnProcTable perThreadProcs;
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static {{Prefix}}ProcTable nullProcs;
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thread_local {{Prefix}}ProcTable perThreadProcs;
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void dawnProcSetPerThreadProcs(const DawnProcTable* procs) {
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void {{prefix}}ProcSetPerThreadProcs(const {{Prefix}}ProcTable* procs) {
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if (procs) {
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perThreadProcs = *procs;
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} else {
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@ -40,13 +42,14 @@ static WGPUInstance ThreadDispatchCreateInstance(WGPUInstanceDescriptor const *
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{% endfor %}
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extern "C" {
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DawnProcTable dawnThreadDispatchProcTable = {
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ThreadDispatchGetProcAddress,
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ThreadDispatchCreateInstance,
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{% for type in by_category["object"] %}
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{{Prefix}}ProcTable {{prefix}}ThreadDispatchProcTable = {
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{% for function in by_category["function"] %}
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ThreadDispatch{{as_cppType(function.name)}},
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{% endfor %}
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{% for type in by_category["object"] %}
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{% for method in c_methods(type) %}
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ThreadDispatch{{as_MethodSuffix(type.name, method.name)}},
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{% endfor %}
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{% endfor %}
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{% endfor %}
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};
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}
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@ -159,16 +159,18 @@ namespace dawn_wire { namespace client {
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return result;
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}
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static DawnProcTable gProcTable = {
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ClientGetProcAddress,
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ClientCreateInstance,
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{% set Prefix = metadata.proc_table_prefix %}
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static {{Prefix}}ProcTable gProcTable = {
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{% for function in by_category["function"] %}
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Client{{as_cppType(function.name)}},
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{% endfor %}
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{% for type in by_category["object"] %}
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{% for method in c_methods(type) %}
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Client{{as_MethodSuffix(type.name, method.name)}},
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{% endfor %}
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{% endfor %}
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};
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const DawnProcTable& GetProcs() {
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const {{Prefix}}ProcTable& GetProcs() {
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return gProcTable;
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}
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}} // namespace dawn_wire::client
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