Replace hardcode functions in templates

Make dawn_proc.c and dawn_thread_dispatch_proc.cpp flexible

BUG=dawn:1201

Change-Id: Ifca73b33d6aed70b2dda3cf181a4650380f0a2fb
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/72065
Reviewed-by: Jiawei Shao <jiawei.shao@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Junwei Fu <junwei.fu@intel.com>

generator/dawn_json_generator.py

@@ -757,8 +757,8 @@ class MultiGeneratorFromDawnJSON(Generator):
         RENDER_PARAMS_BASE = make_base_render_params(metadata)
 
         api = metadata.api.lower()
+        prefix = metadata.proc_table_prefix.lower()
         if 'dawn_headers' in targets:
-            prefix = metadata.proc_table_prefix.lower()
             renders.append(
                 FileRender('api.h', 'src/include/dawn/' + api + '.h',
                            [RENDER_PARAMS_BASE, params_dawn]))
@@ -779,11 +779,11 @@ class MultiGeneratorFromDawnJSON(Generator):
 
         if 'dawn_proc' in targets:
             renders.append(
-                FileRender('dawn_proc.c', 'src/dawn/dawn_proc.c',
+                FileRender('dawn_proc.c', 'src/dawn/' + prefix + '_proc.c',
                            [RENDER_PARAMS_BASE, params_dawn]))
             renders.append(
                 FileRender('dawn_thread_dispatch_proc.cpp',
-                           'src/dawn/dawn_thread_dispatch_proc.cpp',
+                           'src/dawn/' + prefix + '_thread_dispatch_proc.cpp',
                            [RENDER_PARAMS_BASE, params_dawn]))
 
         if 'webgpu_dawn_native_proc' in targets:

generator/templates/dawn_proc.c

@@ -12,13 +12,15 @@
 //* See the License for the specific language governing permissions and
 //* limitations under the License.
 
-#include "dawn/dawn_proc.h"
+{% set Prefix = metadata.proc_table_prefix %}
+{% set prefix = Prefix.lower() %}
+#include "dawn/{{prefix}}_proc.h"
 
-static DawnProcTable procs;
+static {{Prefix}}ProcTable procs;
 
-static DawnProcTable nullProcs;
+static {{Prefix}}ProcTable nullProcs;
 
-void dawnProcSetProcs(const DawnProcTable* procs_) {
+void {{prefix}}ProcSetProcs(const {{Prefix}}ProcTable* procs_) {
     if (procs_) {
         procs = *procs_;
     } else {
@@ -26,13 +28,20 @@ void dawnProcSetProcs(const DawnProcTable* procs_) {
     }
 }
 
-WGPUInstance wgpuCreateInstance(WGPUInstanceDescriptor const * descriptor) {
+{% for function in by_category["function"] %}
-    return procs.createInstance(descriptor);
+    {{as_cType(function.return_type.name)}} {{as_cMethod(None, function.name)}}(
-}
+        {%- for arg in function.arguments -%}
-
+            {% if not loop.first %}, {% endif %}{{as_annotated_cType(arg)}}
-WGPUProc wgpuGetProcAddress(WGPUDevice device, const char* procName) {
+        {%- endfor -%}
-    return procs.getProcAddress(device, procName);
+    ) {
-}
+        {% if function.return_type.name.canonical_case() != "void" %}return {% endif %}
+        procs.{{as_varName(function.name)}}(
+            {%- for arg in function.arguments -%}
+                {% if not loop.first %}, {% endif %}{{as_varName(arg.name)}}
+            {%- endfor -%}
+        );
+    }
+{% endfor %}
 
 {% for type in by_category["object"] %}
     {% for method in c_methods(type) %}

generator/templates/dawn_thread_dispatch_proc.cpp

@@ -15,13 +15,20 @@ void {{prefix}}ProcSetPerThreadProcs(const {{Prefix}}ProcTable* procs) {
     }
 }
 
-static WGPUProc ThreadDispatchGetProcAddress(WGPUDevice device, const char* procName) {
+{% for function in by_category["function"] %}
-    return perThreadProcs.getProcAddress(device, procName);
+    static {{as_cType(function.return_type.name)}} ThreadDispatch{{as_cppType(function.name)}}(
-}
+        {%- for arg in function.arguments -%}
-
+            {% if not loop.first %}, {% endif %}{{as_annotated_cType(arg)}}
-static WGPUInstance ThreadDispatchCreateInstance(WGPUInstanceDescriptor const * descriptor) {
+        {%- endfor -%}
-    return perThreadProcs.createInstance(descriptor);
+    ) {
-}
+        {% if function.return_type.name.canonical_case() != "void" %}return {% endif %}
+        perThreadProcs.{{as_varName(function.name)}}(
+            {%- for arg in function.arguments -%}
+                {% if not loop.first %}, {% endif %}{{as_varName(arg.name)}}
+            {%- endfor -%}
+        );
+    }
+{% endfor %}
 
 {% for type in by_category["object"] %}
     {% for method in c_methods(type) %}