Support texture-compression-bc-sliced-3d in wgpu

deno_webgpu/01_webgpu.js

@@ -5071,6 +5071,7 @@ webidl.converters["GPUFeatureName"] = webidl.createEnumConverter(
     // texture formats
     "depth32float-stencil8",
     "texture-compression-bc",
+    "texture-compression-bc-sliced-3d",
     "texture-compression-etc2",
     "texture-compression-astc",
     "rg11b10ufloat-renderable",

deno_webgpu/lib.rs

@@ -248,6 +248,9 @@ fn deserialize_features(features: &wgpu_types::Features) -> Vec<&'static str> {
     if features.contains(wgpu_types::Features::TEXTURE_COMPRESSION_BC) {
         return_features.push("texture-compression-bc");
     }
+    if features.contains(wgpu_types::Features::TEXTURE_COMPRESSION_BC_SLICED_3D) {
+        return_features.push("texture-compression-bc-sliced-3d");
+    }
     if features.contains(wgpu_types::Features::TEXTURE_COMPRESSION_ETC2) {
         return_features.push("texture-compression-etc2");
     }
@@ -491,6 +494,12 @@ impl From<GpuRequiredFeatures> for wgpu_types::Features {
             wgpu_types::Features::TEXTURE_COMPRESSION_BC,
             required_features.0.contains("texture-compression-bc"),
         );
+        features.set(
+            wgpu_types::Features::TEXTURE_COMPRESSION_BC_SLICED_3D,
+            required_features
+                .0
+                .contains("texture-compression-bc-sliced-3d"),
+        );
         features.set(
             wgpu_types::Features::TEXTURE_COMPRESSION_ETC2,
             required_features.0.contains("texture-compression-etc2"),

deno_webgpu/webgpu.idl

@@ -97,6 +97,7 @@ enum GPUFeatureName {
     // texture formats
     "depth32float-stencil8",
     "texture-compression-bc",
+    "texture-compression-bc-sliced-3d",
     "texture-compression-etc2",
     "texture-compression-astc",
     // api

tests/tests/clear_texture.rs

@@ -273,7 +273,7 @@ async fn clear_texture_tests(ctx: TestingContext, formats: &'static [wgpu::Textu
         let is_compressed_or_depth_stencil_format =
             format.is_compressed() || format.is_depth_stencil_format();
         let supports_1d = !is_compressed_or_depth_stencil_format;
-        let supports_3d = !is_compressed_or_depth_stencil_format;
+        let supports_3d = format.is_bcn() || !is_compressed_or_depth_stencil_format;
 
         // 1D texture
         if supports_1d {
@@ -385,7 +385,15 @@ static CLEAR_TEXTURE_DEPTH32_STENCIL8: GpuTestConfiguration = GpuTestConfigurati
 static CLEAR_TEXTURE_COMPRESSED_BCN: GpuTestConfiguration = GpuTestConfiguration::new()
     .parameters(
         TestParameters::default()
-            .features(wgpu::Features::CLEAR_TEXTURE | wgpu::Features::TEXTURE_COMPRESSION_BC)
+            .features(
+                wgpu::Features::CLEAR_TEXTURE
+                    | wgpu::Features::TEXTURE_COMPRESSION_BC
+                    | wgpu::Features::TEXTURE_COMPRESSION_BC_SLICED_3D,
+            )
+            .limits(wgpu::Limits {
+                max_texture_dimension_3d: 1024,
+                ..wgpu::Limits::downlevel_defaults()
+            })
             // https://bugs.chromium.org/p/angleproject/issues/detail?id=7056
             .expect_fail(FailureCase::backend_adapter(wgpu::Backends::GL, "ANGLE"))
             // compressed texture copy to buffer not yet implemented

wgpu-core/src/device/resource.rs

@@ -745,8 +745,12 @@ impl<A: HalApi> Device<A> {
                     desc.dimension,
                 ));
             }
+        }
 
-            // Compressed textures can only be 2D
+        if desc.dimension != wgt::TextureDimension::D2
+            && desc.dimension != wgt::TextureDimension::D3
+        {
+            // Compressed textures can only be 2D or 3D
             if desc.format.is_compressed() {
                 return Err(CreateTextureError::InvalidCompressedDimension(
                     desc.dimension,
@@ -777,6 +781,19 @@ impl<A: HalApi> Device<A> {
                     },
                 ));
             }
+
+            if desc.dimension == wgt::TextureDimension::D3 {
+                // Only BCn formats with Sliced 3D feature can be used for 3D textures
+                if desc.format.is_bcn() {
+                    self.require_features(wgt::Features::TEXTURE_COMPRESSION_BC_SLICED_3D)
+                        .map_err(|error| CreateTextureError::MissingFeatures(desc.format, error))?;
+                } else {
+                    return Err(CreateTextureError::InvalidCompressedDimension(
+                        desc.dimension,
+                        desc.format,
+                    ));
+                }
+            }
         }
 
         {

wgpu-hal/src/dx12/adapter.rs

@@ -299,6 +299,7 @@ impl super::Adapter {
             | wgt::Features::TIMESTAMP_QUERY_INSIDE_ENCODERS
             | wgt::Features::TIMESTAMP_QUERY_INSIDE_PASSES
             | wgt::Features::TEXTURE_COMPRESSION_BC
+            | wgt::Features::TEXTURE_COMPRESSION_BC_SLICED_3D
             | wgt::Features::CLEAR_TEXTURE
             | wgt::Features::TEXTURE_FORMAT_16BIT_NORM
             | wgt::Features::PUSH_CONSTANTS

wgpu-hal/src/gles/adapter.rs

@@ -503,6 +503,10 @@ impl super::Adapter {
             wgt::Features::TEXTURE_COMPRESSION_BC,
             bcn_exts.iter().all(|&ext| extensions.contains(ext)),
         );
+        features.set(
+            wgt::Features::TEXTURE_COMPRESSION_BC_SLICED_3D,
+            bcn_exts.iter().all(|&ext| extensions.contains(ext)), // BC guaranteed Sliced 3D
+        );
         let has_etc = if cfg!(any(webgl, Emscripten)) {
             extensions.contains("WEBGL_compressed_texture_etc")
         } else {

wgpu-hal/src/metal/adapter.rs

@@ -876,6 +876,7 @@ impl super::PrivateCapabilities {
         features.set(F::TEXTURE_COMPRESSION_ASTC, self.format_astc);
         features.set(F::TEXTURE_COMPRESSION_ASTC_HDR, self.format_astc_hdr);
         features.set(F::TEXTURE_COMPRESSION_BC, self.format_bc);
+        features.set(F::TEXTURE_COMPRESSION_BC_SLICED_3D, self.format_bc); // BC guarantees Sliced 3D
         features.set(F::TEXTURE_COMPRESSION_ETC2, self.format_eac_etc);
 
         features.set(F::DEPTH_CLIP_CONTROL, self.supports_depth_clip_control);

wgpu-hal/src/vulkan/adapter.rs

@@ -253,6 +253,7 @@ impl PhysicalDeviceFeatures {
                 )
                 .texture_compression_bc(
                     requested_features.contains(wgt::Features::TEXTURE_COMPRESSION_BC),
+                    // BC provides formats for Sliced 3D
                 )
                 //.occlusion_query_precise(requested_features.contains(wgt::Features::PRECISE_OCCLUSION_QUERY))
                 .pipeline_statistics_query(
@@ -539,6 +540,10 @@ impl PhysicalDeviceFeatures {
             F::TEXTURE_COMPRESSION_BC,
             self.core.texture_compression_bc != 0,
         );
+        features.set(
+            F::TEXTURE_COMPRESSION_BC_SLICED_3D,
+            self.core.texture_compression_bc != 0, // BC guarantees Sliced 3D
+        );
         features.set(
             F::PIPELINE_STATISTICS_QUERY,
             self.core.pipeline_statistics_query != 0,

wgpu-types/src/lib.rs

@@ -290,12 +290,28 @@ bitflags::bitflags! {
         /// Support for this feature guarantees availability of [`TextureUsages::COPY_SRC | TextureUsages::COPY_DST | TextureUsages::TEXTURE_BINDING`] for BCn formats.
         /// [`Features::TEXTURE_ADAPTER_SPECIFIC_FORMAT_FEATURES`] may enable additional usages.
         ///
+        /// This feature guarantees availability of sliced-3d textures for BC formats when combined with TEXTURE_COMPRESSION_BC_SLICED_3D.
+        ///
         /// Supported Platforms:
         /// - desktops
+        /// - Mobile (All Apple9 and some Apple7 and Apple8 devices)
         ///
         /// This is a web and native feature.
         const TEXTURE_COMPRESSION_BC = 1 << 2;
 
+
+        /// Allows the 3d dimension for textures with BC compressed formats.
+        ///
+        /// This feature must be used in combination with TEXTURE_COMPRESSION_BC to enable 3D textures with BC compression.
+        /// It does not enable the BC formats by itself.
+        ///
+        /// Supported Platforms:
+        /// - desktops
+        /// - Mobile (All Apple9 and some Apple7 and Apple8 devices)
+        ///
+        /// This is a web and native feature.
+        const TEXTURE_COMPRESSION_BC_SLICED_3D = 1 << 11;
+
         /// Enables ETC family of compressed textures. All ETC textures use 4x4 pixel blocks.
         /// ETC2 RGB and RGBA1 are 8 bytes per block. RTC2 RGBA8 and EAC are 16 bytes per block.
         ///
@@ -2562,102 +2578,116 @@ pub enum TextureFormat {
     /// [`Features::TEXTURE_FORMAT_NV12`] must be enabled to use this texture format.
     NV12,
 
-    // Compressed textures usable with `TEXTURE_COMPRESSION_BC` feature.
+    // Compressed textures usable with `TEXTURE_COMPRESSION_BC` feature. `TEXTURE_COMPRESSION_SLICED_3D` is required to use with 3D textures.
     /// 4x4 block compressed texture. 8 bytes per block (4 bit/px). 4 color + alpha pallet. 5 bit R + 6 bit G + 5 bit B + 1 bit alpha.
     /// [0, 63] ([0, 1] for alpha) converted to/from float [0, 1] in shader.
     ///
     /// Also known as DXT1.
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc1RgbaUnorm,
     /// 4x4 block compressed texture. 8 bytes per block (4 bit/px). 4 color + alpha pallet. 5 bit R + 6 bit G + 5 bit B + 1 bit alpha.
     /// Srgb-color [0, 63] ([0, 1] for alpha) converted to/from linear-color float [0, 1] in shader.
     ///
     /// Also known as DXT1.
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc1RgbaUnormSrgb,
     /// 4x4 block compressed texture. 16 bytes per block (8 bit/px). 4 color pallet. 5 bit R + 6 bit G + 5 bit B + 4 bit alpha.
     /// [0, 63] ([0, 15] for alpha) converted to/from float [0, 1] in shader.
     ///
     /// Also known as DXT3.
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc2RgbaUnorm,
     /// 4x4 block compressed texture. 16 bytes per block (8 bit/px). 4 color pallet. 5 bit R + 6 bit G + 5 bit B + 4 bit alpha.
     /// Srgb-color [0, 63] ([0, 255] for alpha) converted to/from linear-color float [0, 1] in shader.
     ///
     /// Also known as DXT3.
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc2RgbaUnormSrgb,
     /// 4x4 block compressed texture. 16 bytes per block (8 bit/px). 4 color pallet + 8 alpha pallet. 5 bit R + 6 bit G + 5 bit B + 8 bit alpha.
     /// [0, 63] ([0, 255] for alpha) converted to/from float [0, 1] in shader.
     ///
     /// Also known as DXT5.
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc3RgbaUnorm,
     /// 4x4 block compressed texture. 16 bytes per block (8 bit/px). 4 color pallet + 8 alpha pallet. 5 bit R + 6 bit G + 5 bit B + 8 bit alpha.
     /// Srgb-color [0, 63] ([0, 255] for alpha) converted to/from linear-color float [0, 1] in shader.
     ///
     /// Also known as DXT5.
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc3RgbaUnormSrgb,
     /// 4x4 block compressed texture. 8 bytes per block (4 bit/px). 8 color pallet. 8 bit R.
     /// [0, 255] converted to/from float [0, 1] in shader.
     ///
     /// Also known as RGTC1.
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc4RUnorm,
     /// 4x4 block compressed texture. 8 bytes per block (4 bit/px). 8 color pallet. 8 bit R.
     /// [-127, 127] converted to/from float [-1, 1] in shader.
     ///
     /// Also known as RGTC1.
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc4RSnorm,
     /// 4x4 block compressed texture. 16 bytes per block (8 bit/px). 8 color red pallet + 8 color green pallet. 8 bit RG.
     /// [0, 255] converted to/from float [0, 1] in shader.
     ///
     /// Also known as RGTC2.
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc5RgUnorm,
     /// 4x4 block compressed texture. 16 bytes per block (8 bit/px). 8 color red pallet + 8 color green pallet. 8 bit RG.
     /// [-127, 127] converted to/from float [-1, 1] in shader.
     ///
     /// Also known as RGTC2.
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc5RgSnorm,
     /// 4x4 block compressed texture. 16 bytes per block (8 bit/px). Variable sized pallet. 16 bit unsigned float RGB. Float in shader.
     ///
     /// Also known as BPTC (float).
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc6hRgbUfloat,
     /// 4x4 block compressed texture. 16 bytes per block (8 bit/px). Variable sized pallet. 16 bit signed float RGB. Float in shader.
     ///
     /// Also known as BPTC (float).
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc6hRgbFloat,
     /// 4x4 block compressed texture. 16 bytes per block (8 bit/px). Variable sized pallet. 8 bit integer RGBA.
     /// [0, 255] converted to/from float [0, 1] in shader.
     ///
     /// Also known as BPTC (unorm).
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc7RgbaUnorm,
     /// 4x4 block compressed texture. 16 bytes per block (8 bit/px). Variable sized pallet. 8 bit integer RGBA.
     /// Srgb-color [0, 255] converted to/from linear-color float [0, 1] in shader.
     ///
     /// Also known as BPTC (unorm).
     ///
     /// [`Features::TEXTURE_COMPRESSION_BC`] must be enabled to use this texture format.
+    /// [`Features::TEXTURE_COMPRESSION_BC_SLICED_3D`] must be enabled to use this texture format with 3D dimension.
     Bc7RgbaUnormSrgb,
     /// 4x4 block compressed texture. 8 bytes per block (4 bit/px). Complex pallet. 8 bit integer RGB.
     /// [0, 255] converted to/from float [0, 1] in shader.
@@ -3201,6 +3231,11 @@ impl TextureFormat {
         self.block_dimensions() != (1, 1)
     }
 
+    /// Returns `true` for BCn compressed formats.
+    pub fn is_bcn(&self) -> bool {
+        self.required_features() == Features::TEXTURE_COMPRESSION_BC
+    }
+
     /// Returns the required features (if any) in order to use the texture.
     pub fn required_features(&self) -> Features {
         match *self {

wgpu/src/backend/webgpu.rs

@@ -726,7 +726,7 @@ fn map_map_mode(mode: crate::MapMode) -> u32 {
     }
 }
 
-const FEATURES_MAPPING: [(wgt::Features, webgpu_sys::GpuFeatureName); 11] = [
+const FEATURES_MAPPING: [(wgt::Features, webgpu_sys::GpuFeatureName); 12] = [
     //TODO: update the name
     (
         wgt::Features::DEPTH_CLIP_CONTROL,
@@ -740,6 +740,10 @@ const FEATURES_MAPPING: [(wgt::Features, webgpu_sys::GpuFeatureName); 11] = [
         wgt::Features::TEXTURE_COMPRESSION_BC,
         webgpu_sys::GpuFeatureName::TextureCompressionBc,
     ),
+    (
+        wgt::Features::TEXTURE_COMPRESSION_BC_SLICED_3D,
+        webgpu_sys::GpuFeatureName::TextureCompressionBcSliced3d,
+    ),
     (
         wgt::Features::TEXTURE_COMPRESSION_ETC2,
         webgpu_sys::GpuFeatureName::TextureCompressionEtc2,