Add subgroups feature (#509)

This has been standardized in the JS API, so we can add it now. Small breaking change by adding items to WGPUAdapterInfo, but these items can always be populated, in the same way they are in JS. Fixes 428

Author: kainino0x

webgpu.h

@@ -553,6 +553,7 @@ typedef enum WGPUFeatureName {
  WGPUFeatureName_Float32Blendable = 0x0000000E,
  WGPUFeatureName_ClipDistances = 0x0000000F,
  WGPUFeatureName_DualSourceBlending = 0x00000010,
+ WGPUFeatureName_Subgroups = 0x00000011,
  WGPUFeatureName_Force32 = 0x7FFFFFFF
 } WGPUFeatureName WGPU_ENUM_ATTRIBUTE;
 
@@ -1591,6 +1592,14 @@ typedef struct WGPUAdapterInfo {
  * The `INIT` macro sets this to `0`.
  */
  uint32_t deviceID;
+ /**
+ * The `INIT` macro sets this to `0`.
+ */
+ uint32_t subgroupMinSize;
+ /**
+ * The `INIT` macro sets this to `0`.
+ */
+ uint32_t subgroupMaxSize;
 } WGPUAdapterInfo WGPU_STRUCTURE_ATTRIBUTE;
 
 /**
@@ -1606,6 +1615,8 @@ typedef struct WGPUAdapterInfo {
  /*.adapterType=*/_wgpu_ENUM_ZERO_INIT(WGPUAdapterType) _wgpu_COMMA \
  /*.vendorID=*/0 _wgpu_COMMA \
  /*.deviceID=*/0 _wgpu_COMMA \
+ /*.subgroupMinSize=*/0 _wgpu_COMMA \
+ /*.subgroupMaxSize=*/0 _wgpu_COMMA \
 })
 
 /**

webgpu.yml

@@ -478,6 +478,9 @@ enums:
  - name: dual_source_blending
  doc: |
  TODO
+ - name: subgroups
+ doc: |
+ TODO
  - name: filter_mode
  doc: |
  TODO
@@ -1564,6 +1567,14 @@ structs:
  doc: |
  TODO
  type: uint32
+ - name: subgroup_min_size
+ doc: |
+ TODO
+ type: uint32
+ - name: subgroup_max_size
+ doc: |
+ TODO
+ type: uint32
  - name: bind_group_descriptor
  doc: |
  TODO