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webgpu.h introduce a base struct for extension structures.

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struct WGPUChainedStruct {
     WGPUChainedStruct const * nextInChain;
     WGPUSType sType;
 };

And changes all the nextInChain to point to such structures. This adds
more type safety to extension structs and requires less casting to check
sTypes and friends.

Bug: dawn:269

Change-Id: I443f363cdb55dbec7c7f6e897245d4a7ea0ebe70
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/15080
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
This commit is contained in:
Corentin Wallez
2020-01-15 09:54:42 +00:00
committed by Commit Bot service account
parent 7f078e7ebe
commit 2b24c3d92d
11 changed files with 77 additions and 10 deletions
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16
generator/templates/webgpu_cpp.h
View File

@@ -186,10 +186,22 @@ namespace wgpu {
Instance CreateInstance(InstanceDescriptor const * descriptor = nullptr);
Proc GetProcAddress(Device const& device, const char* procName);
struct ChainedStruct {
ChainedStruct const * nextInChain = nullptr;
SType sType = SType::Invalid;
};
{% for type in by_category["structure"] %}
struct {{as_cppType(type.name)}} {
{% if type.chained %}
struct {{as_cppType(type.name)}} : ChainedStruct {
{{as_cppType(type.name)}}() {
sType = SType::{{type.name.CamelCase()}};
}
{% else %}
struct {{as_cppType(type.name)}} {
{% endif %}
{% if type.extensible %}
const void* nextInChain = nullptr;
ChainedStruct const * nextInChain = nullptr;
{% endif %}
{% for member in type.members %}
{{as_annotated_cppType(member)}}{{render_cpp_default_value(member)}};