add feature RG11B10UFLOAT_RENDERABLE on webgpu (#3689)

* add feature RG11B10UFLOAT_RENDERABLE on web * changelog
gfx-rs · Apr 14, 2023 · bf8e6fe · bf8e6fe
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -151,6 +151,7 @@ By @cwfitzgerald in [#3671](https://github.com/gfx-rs/wgpu/pull/3671).
 - Implement the new checks for readonly stencils. By @JCapucho in [#3443](https://github.com/gfx-rs/wgpu/pull/3443)
 - Reimplement `adapter|device_features`. By @jinleili in [#3428](https://github.com/gfx-rs/wgpu/pull/3428)
 - Implement `command_encoder_resolve_query_set`. By @JolifantoBambla in [#3489](https://github.com/gfx-rs/wgpu/pull/3489)
+- Add support for `Features::RG11B10UFLOAT_RENDERABLE`. By @mockersf in [#3689](https://github.com/gfx-rs/wgpu/pull/3689)
 
 #### Vulkan
 

diff --git a/wgpu-types/src/lib.rs b/wgpu-types/src/lib.rs
@@ -296,7 +296,16 @@ bitflags::bitflags! {
         // ? const FLOAT32_BLENDABLE = 1 << 20; (https://github.com/gpuweb/gpuweb/issues/3556)
         // ? const 32BIT_FORMAT_MULTISAMPLE = 1 << 21; (https://github.com/gpuweb/gpuweb/issues/3844)
         // ? const 32BIT_FORMAT_RESOLVE = 1 << 22; (https://github.com/gpuweb/gpuweb/issues/3844)
-        // TODO const RG11B10UFLOAT_RENDERABLE = 1 << 23;
+
+        /// Allows for usage of textures of format [`TextureFormat::Rg11b10Float`] as a render target
+        ///
+        /// Supported platforms:
+        /// - Vulkan
+        /// - DX12
+        /// - Metal
+        ///
+        /// This is a web and native feature.
+        const RG11B10UFLOAT_RENDERABLE = 1 << 23;
 
         /// Allows for explicit creation of textures of format [`TextureFormat::Depth32FloatStencil8`]
         ///

diff --git a/wgpu/src/backend/web.rs b/wgpu/src/backend/web.rs
@@ -621,7 +621,7 @@ fn map_map_mode(mode: crate::MapMode) -> u32 {
     }
 }
 
-const FEATURES_MAPPING: [(wgt::Features, web_sys::GpuFeatureName); 8] = [
+const FEATURES_MAPPING: [(wgt::Features, web_sys::GpuFeatureName); 9] = [
     //TODO: update the name
     (
         wgt::Features::DEPTH_CLIP_CONTROL,
@@ -655,6 +655,10 @@ const FEATURES_MAPPING: [(wgt::Features, web_sys::GpuFeatureName); 8] = [
         wgt::Features::SHADER_F16,
         web_sys::GpuFeatureName::ShaderF16,
     ),
+    (
+        wgt::Features::RG11B10UFLOAT_RENDERABLE,
+        web_sys::GpuFeatureName::Rg11b10ufloatRenderable,
+    ),
 ];
 
 fn map_wgt_features(supported_features: web_sys::GpuSupportedFeatures) -> wgt::Features {