diff --git a/dist/index.d.ts b/dist/index.d.ts
index fda2f19..93598d0 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -68,15 +68,7 @@ type GPUColor =
     | GPUColorDict;
 type GPUColorWriteFlags =
   number;
-type GPUDepthBias =
-  number;
-type GPUExtent3D =
-
-    | Iterable<GPUIntegerCoordinate>
-    | GPUExtent3DDict;
-type GPUFlagsConstant =
-  number;
-type GPUImageCopyExternalImageSource =
+type GPUCopyExternalImageSource =
 
     | ImageBitmap
     | ImageData
@@ -85,6 +77,14 @@ type GPUImageCopyExternalImageSource =
     | VideoFrame
     | HTMLCanvasElement
     | OffscreenCanvas;
+type GPUDepthBias =
+  number;
+type GPUExtent3D =
+
+    | Iterable<GPUIntegerCoordinate>
+    | GPUExtent3DDict;
+type GPUFlagsConstant =
+  number;
 type GPUIndex32 =
   number;
 type GPUIntegerCoordinate =
@@ -406,22 +406,31 @@ type GPUTextureViewDimension =
     | "3d";
 type GPUVertexFormat =
 
+    | "uint8"
     | "uint8x2"
     | "uint8x4"
+    | "sint8"
     | "sint8x2"
     | "sint8x4"
+    | "unorm8"
     | "unorm8x2"
     | "unorm8x4"
+    | "snorm8"
     | "snorm8x2"
     | "snorm8x4"
+    | "uint16"
     | "uint16x2"
     | "uint16x4"
+    | "sint16"
     | "sint16x2"
     | "sint16x4"
+    | "unorm16"
     | "unorm16x2"
     | "unorm16x4"
+    | "snorm16"
     | "snorm16x2"
     | "snorm16x4"
+    | "float16"
     | "float16x2"
     | "float16x4"
     | "float32"
@@ -436,7 +445,8 @@ type GPUVertexFormat =
     | "sint32x2"
     | "sint32x3"
     | "sint32x4"
-    | "unorm10-10-10-2";
+    | "unorm10-10-10-2"
+    | "unorm8x4-bgra";
 type GPUVertexStepMode =
 
     | "vertex"
@@ -739,6 +749,53 @@ interface GPUComputePipelineDescriptor
   compute: GPUProgrammableStage;
 }
 
+interface GPUCopyExternalImageDestInfo
+  extends GPUTexelCopyTextureInfo {
+  /**
+   * Describes the color space and encoding used to encode data into the destination texture.
+   * This [[#color-space-conversions|may result]] in values outside of the range [0, 1]
+   * being written to the target texture, if its format can represent them.
+   * Otherwise, the results are clamped to the target texture format's range.
+   * Note:
+   * If {@link GPUCopyExternalImageDestInfo#colorSpace} matches the source image,
+   * conversion may not be necessary. See [[#color-space-conversion-elision]].
+   */
+  colorSpace?: PredefinedColorSpace;
+  /**
+   * Describes whether the data written into the texture should have its RGB channels
+   * premultiplied by the alpha channel, or not.
+   * If this option is set to `true` and the {@link GPUCopyExternalImageSourceInfo#source} is also
+   * premultiplied, the source RGB values must be preserved even if they exceed their
+   * corresponding alpha values.
+   * Note:
+   * If {@link GPUCopyExternalImageDestInfo#premultipliedAlpha} matches the source image,
+   * conversion may not be necessary. See [[#color-space-conversion-elision]].
+   */
+  premultipliedAlpha?: boolean;
+}
+
+interface GPUCopyExternalImageSourceInfo {
+  /**
+   * The source of the texel copy. The copy source data is captured at the moment that
+   * {@link GPUQueue#copyExternalImageToTexture} is issued. Source size is determined as described
+   * by the external source dimensions table.
+   */
+  source: GPUCopyExternalImageSource;
+  /**
+   * Defines the origin of the copy - the minimum (top-left) corner of the source sub-region to copy from.
+   * Together with `copySize`, defines the full copy sub-region.
+   */
+  origin?: GPUOrigin2D;
+  /**
+   * Describes whether the source image is vertically flipped, or not.
+   * If this option is set to `true`, the copy is flipped vertically: the bottom row of the source
+   * region is copied into the first row of the destination region, and so on.
+   * The {@link GPUCopyExternalImageSourceInfo#origin} option is still relative to the top-left corner
+   * of the source image, increasing downward.
+   */
+  flipY?: boolean;
+}
+
 interface GPUDepthStencilState {
   /**
    * The {@link GPUTextureViewDescriptor#format} of {@link GPURenderPassDescriptor#depthStencilAttachment}
@@ -863,106 +920,6 @@ interface GPUFragmentState
   targets: Iterable<GPUColorTargetState | null>;
 }
 
-interface GPUImageCopyBuffer
-  extends GPUImageDataLayout {
-  /**
-   * A buffer which either contains image data to be copied or will store the image data being
-   * copied, depending on the method it is being passed to.
-   */
-  buffer: GPUBuffer;
-}
-
-interface GPUImageCopyExternalImage {
-  /**
-   * The source of the image copy. The copy source data is captured at the moment that
-   * {@link GPUQueue#copyExternalImageToTexture} is issued. Source size is determined as described
-   * by the external source dimensions table.
-   */
-  source: GPUImageCopyExternalImageSource;
-  /**
-   * Defines the origin of the copy - the minimum (top-left) corner of the source sub-region to copy from.
-   * Together with `copySize`, defines the full copy sub-region.
-   */
-  origin?: GPUOrigin2DStrict;
-  /**
-   * Describes whether the source image is vertically flipped, or not.
-   * If this option is set to `true`, the copy is flipped vertically: the bottom row of the source
-   * region is copied into the first row of the destination region, and so on.
-   * The {@link GPUImageCopyExternalImage#origin} option is still relative to the top-left corner
-   * of the source image, increasing downward.
-   */
-  flipY?: boolean;
-}
-
-interface GPUImageCopyTexture {
-  /**
-   * Texture to copy to/from.
-   */
-  texture: GPUTexture;
-  /**
-   * Mip-map level of the {@link GPUImageCopyTexture#texture} to copy to/from.
-   */
-  mipLevel?: GPUIntegerCoordinate;
-  /**
-   * Defines the origin of the copy - the minimum corner of the texture sub-region to copy to/from.
-   * Together with `copySize`, defines the full copy sub-region.
-   */
-  origin?: GPUOrigin3D;
-  /**
-   * Defines which aspects of the {@link GPUImageCopyTexture#texture} to copy to/from.
-   */
-  aspect?: GPUTextureAspect;
-}
-
-interface GPUImageCopyTextureTagged
-  extends GPUImageCopyTexture {
-  /**
-   * Describes the color space and encoding used to encode data into the destination texture.
-   * This [[#color-space-conversions|may result]] in values outside of the range [0, 1]
-   * being written to the target texture, if its format can represent them.
-   * Otherwise, the results are clamped to the target texture format's range.
-   * Note:
-   * If {@link GPUImageCopyTextureTagged#colorSpace} matches the source image,
-   * conversion may not be necessary. See [[#color-space-conversion-elision]].
-   */
-  colorSpace?: PredefinedColorSpace;
-  /**
-   * Describes whether the data written into the texture should have its RGB channels
-   * premultiplied by the alpha channel, or not.
-   * If this option is set to `true` and the {@link GPUImageCopyExternalImage#source} is also
-   * premultiplied, the source RGB values must be preserved even if they exceed their
-   * corresponding alpha values.
-   * Note:
-   * If {@link GPUImageCopyTextureTagged#premultipliedAlpha} matches the source image,
-   * conversion may not be necessary. See [[#color-space-conversion-elision]].
-   */
-  premultipliedAlpha?: boolean;
-}
-
-interface GPUImageDataLayout {
-  /**
-   * The offset, in bytes, from the beginning of the image data source (such as a
-   * {@link GPUImageCopyBuffer#buffer|GPUImageCopyBuffer.buffer}) to the start of the image data
-   * within that source.
-   */
-  offset?: GPUSize64;
-  /**
-   * The stride, in bytes, between the beginning of each texel block row and the subsequent
-   * texel block row.
-   * Required if there are multiple texel block rows (i.e. the copy height or depth is more
-   * than one block).
-   */
-  bytesPerRow?: GPUSize32;
-  /**
-   * Number of texel block rows per single texel image of the texture.
-   * {@link GPUImageDataLayout#rowsPerImage} &times;
-   * {@link GPUImageDataLayout#bytesPerRow} is the stride, in bytes, between the beginning of each
-   * texel image of data and the subsequent texel image.
-   * Required if there are multiple texel images (i.e. the copy depth is more than one).
-   */
-  rowsPerImage?: GPUSize32;
-}
-
 interface GPUMultisampleState {
   /**
    * Number of samples per pixel. This {@link GPURenderPipeline} will be compatible only
@@ -1020,11 +977,11 @@ interface GPUPipelineErrorInit {
 interface GPUPipelineLayoutDescriptor
   extends GPUObjectDescriptorBase {
   /**
-   * A list of {@link GPUBindGroupLayout}s the pipeline will use. Each element corresponds to a
-   * @group attribute in the {@link GPUShaderModule}, with the `N`th element corresponding with
-   * `@group(N)`.
+   * A list of optional {@link GPUBindGroupLayout}s the pipeline will use. Each element corresponds
+   * to a @group attribute in the {@link GPUShaderModule}, with the `N`th element corresponding
+   * with `@group(N)`.
    */
-  bindGroupLayouts: Iterable<GPUBindGroupLayout>;
+  bindGroupLayouts: Iterable<GPUBindGroupLayout | null>;
 }
 
 interface GPUPrimitiveState {
@@ -1504,6 +1461,59 @@ interface GPUStorageTextureBindingLayout {
   viewDimension?: GPUTextureViewDimension;
 }
 
+interface GPUTexelCopyBufferInfo
+  extends GPUTexelCopyBufferLayout {
+  /**
+   * A buffer which either contains texel data to be copied or will store the texel data being
+   * copied, depending on the method it is being passed to.
+   */
+  buffer: GPUBuffer;
+}
+
+interface GPUTexelCopyBufferLayout {
+  /**
+   * The offset, in bytes, from the beginning of the texel data source (such as a
+   * {@link GPUTexelCopyBufferInfo#buffer|GPUTexelCopyBufferInfo.buffer}) to the start of the texel data
+   * within that source.
+   */
+  offset?: GPUSize64;
+  /**
+   * The stride, in bytes, between the beginning of each texel block row and the subsequent
+   * texel block row.
+   * Required if there are multiple texel block rows (i.e. the copy height or depth is more
+   * than one block).
+   */
+  bytesPerRow?: GPUSize32;
+  /**
+   * Number of texel block rows per single texel image of the texture.
+   * {@link GPUTexelCopyBufferLayout#rowsPerImage} &times;
+   * {@link GPUTexelCopyBufferLayout#bytesPerRow} is the stride, in bytes, between the beginning of each
+   * texel image of data and the subsequent texel image.
+   * Required if there are multiple texel images (i.e. the copy depth is more than one).
+   */
+  rowsPerImage?: GPUSize32;
+}
+
+interface GPUTexelCopyTextureInfo {
+  /**
+   * Texture to copy to/from.
+   */
+  texture: GPUTexture;
+  /**
+   * Mip-map level of the {@link GPUTexelCopyTextureInfo#texture} to copy to/from.
+   */
+  mipLevel?: GPUIntegerCoordinate;
+  /**
+   * Defines the origin of the copy - the minimum corner of the texture sub-region to copy to/from.
+   * Together with `copySize`, defines the full copy sub-region.
+   */
+  origin?: GPUOrigin3D;
+  /**
+   * Defines which aspects of the {@link GPUTexelCopyTextureInfo#texture} to copy to/from.
+   */
+  aspect?: GPUTextureAspect;
+}
+
 interface GPUTextureBindingLayout {
   /**
    * Indicates the type required for texture views bound to this binding.
@@ -2154,8 +2164,8 @@ interface GPUCommandEncoder
    * 	`copySize`:
    */
   copyBufferToTexture(
-    source: GPUImageCopyBuffer,
-    destination: GPUImageCopyTexture,
+    source: GPUTexelCopyBufferInfo,
+    destination: GPUTexelCopyTextureInfo,
     copySize: GPUExtent3DStrict
   ): undefined;
   /**
@@ -2166,8 +2176,8 @@ interface GPUCommandEncoder
    * 	`copySize`:
    */
   copyTextureToBuffer(
-    source: GPUImageCopyTexture,
-    destination: GPUImageCopyBuffer,
+    source: GPUTexelCopyTextureInfo,
+    destination: GPUTexelCopyBufferInfo,
     copySize: GPUExtent3DStrict
   ): undefined;
   /**
@@ -2179,8 +2189,8 @@ interface GPUCommandEncoder
    * 	`copySize`:
    */
   copyTextureToTexture(
-    source: GPUImageCopyTexture,
-    destination: GPUImageCopyTexture,
+    source: GPUTexelCopyTextureInfo,
+    destination: GPUTexelCopyTextureInfo,
     copySize: GPUExtent3DStrict
   ): undefined;
   /**
@@ -2766,18 +2776,18 @@ interface GPUQueue
    * @param size - Extents of the content to write from `data` to `destination`.
    */
   writeTexture(
-    destination: GPUImageCopyTexture,
+    destination: GPUTexelCopyTextureInfo,
     data:
       | BufferSource
       | SharedArrayBuffer,
-    dataLayout: GPUImageDataLayout,
+    dataLayout: GPUTexelCopyBufferLayout,
     size: GPUExtent3DStrict
   ): undefined;
   /**
    * Issues a copy operation of the contents of a platform image/canvas
    * into the destination texture.
    * This operation performs [[#color-space-conversions|color encoding]] into the destination
-   * encoding according to the parameters of {@link GPUImageCopyTextureTagged}.
+   * encoding according to the parameters of {@link GPUCopyExternalImageDestInfo}.
    * Copying into a `-srgb` texture results in the same texture bytes, not the same decoded
    * values, as copying into the corresponding non-`-srgb` format.
    * Thus, after a copy operation, sampling the destination texture has
@@ -2788,8 +2798,8 @@ interface GPUQueue
    * @param copySize - Extents of the content to write from `source` to `destination`.
    */
   copyExternalImageToTexture(
-    source: GPUImageCopyExternalImage,
-    destination: GPUImageCopyTextureTagged,
+    source: GPUCopyExternalImageSourceInfo,
+    destination: GPUCopyExternalImageDestInfo,
     copySize: GPUExtent3DStrict
   ): undefined;
 }
@@ -3195,3 +3205,16 @@ declare var GPUTextureUsage: {
   readonly STORAGE_BINDING: GPUFlagsConstant;
   readonly RENDER_ATTACHMENT: GPUFlagsConstant;
 };
+
+/** @deprecated Use {@link GPUTexelCopyBufferLayout} */
+type GPUImageDataLayout = GPUTexelCopyBufferLayout;
+/** @deprecated Use {@link GPUTexelCopyBufferInfo} */
+type GPUImageCopyBuffer = GPUTexelCopyBufferInfo;
+/** @deprecated Use {@link GPUTexelCopyTextureInfo} */
+type GPUImageCopyTexture = GPUTexelCopyTextureInfo;
+/** @deprecated Use {@link GPUCopyExternalImageDestInfo} */
+type GPUImageCopyTextureTagged = GPUCopyExternalImageDestInfo;
+/** @deprecated Use {@link GPUCopyExternalImageSourceInfo} */
+type GPUImageCopyExternalImage = GPUCopyExternalImageSourceInfo;
+/** @deprecated Use {@link GPUCopyExternalImageSource} */
+type GPUImageCopyExternalImageSource = GPUCopyExternalImageSource;
diff --git a/generated/index.d.ts b/generated/index.d.ts
index 7fcf442..94fbeda 100644
--- a/generated/index.d.ts
+++ b/generated/index.d.ts
@@ -14,15 +14,7 @@ type GPUColor =
     | GPUColorDict;
 type GPUColorWriteFlags =
   number;
-type GPUDepthBias =
-  number;
-type GPUExtent3D =
-
-    | Array<GPUIntegerCoordinate>
-    | GPUExtent3DDict;
-type GPUFlagsConstant =
-  number;
-type GPUImageCopyExternalImageSource =
+type GPUCopyExternalImageSource =
 
     | ImageBitmap
     | ImageData
@@ -31,6 +23,14 @@ type GPUImageCopyExternalImageSource =
     | VideoFrame
     | HTMLCanvasElement
     | OffscreenCanvas;
+type GPUDepthBias =
+  number;
+type GPUExtent3D =
+
+    | Array<GPUIntegerCoordinate>
+    | GPUExtent3DDict;
+type GPUFlagsConstant =
+  number;
 type GPUIndex32 =
   number;
 type GPUIntegerCoordinate =
@@ -352,22 +352,31 @@ type GPUTextureViewDimension =
     | "3d";
 type GPUVertexFormat =
 
+    | "uint8"
     | "uint8x2"
     | "uint8x4"
+    | "sint8"
     | "sint8x2"
     | "sint8x4"
+    | "unorm8"
     | "unorm8x2"
     | "unorm8x4"
+    | "snorm8"
     | "snorm8x2"
     | "snorm8x4"
+    | "uint16"
     | "uint16x2"
     | "uint16x4"
+    | "sint16"
     | "sint16x2"
     | "sint16x4"
+    | "unorm16"
     | "unorm16x2"
     | "unorm16x4"
+    | "snorm16"
     | "snorm16x2"
     | "snorm16x4"
+    | "float16"
     | "float16x2"
     | "float16x4"
     | "float32"
@@ -382,7 +391,8 @@ type GPUVertexFormat =
     | "sint32x2"
     | "sint32x3"
     | "sint32x4"
-    | "unorm10-10-10-2";
+    | "unorm10-10-10-2"
+    | "unorm8x4-bgra";
 type GPUVertexStepMode =
 
     | "vertex"
@@ -680,6 +690,53 @@ interface GPUComputePipelineDescriptor
   compute: GPUProgrammableStage;
 }
 
+interface GPUCopyExternalImageDestInfo
+  extends GPUTexelCopyTextureInfo {
+  /**
+   * Describes the color space and encoding used to encode data into the destination texture.
+   * This [[#color-space-conversions|may result]] in values outside of the range [0, 1]
+   * being written to the target texture, if its format can represent them.
+   * Otherwise, the results are clamped to the target texture format's range.
+   * Note:
+   * If {@link GPUCopyExternalImageDestInfo#colorSpace} matches the source image,
+   * conversion may not be necessary. See [[#color-space-conversion-elision]].
+   */
+  colorSpace?: PredefinedColorSpace;
+  /**
+   * Describes whether the data written into the texture should have its RGB channels
+   * premultiplied by the alpha channel, or not.
+   * If this option is set to `true` and the {@link GPUCopyExternalImageSourceInfo#source} is also
+   * premultiplied, the source RGB values must be preserved even if they exceed their
+   * corresponding alpha values.
+   * Note:
+   * If {@link GPUCopyExternalImageDestInfo#premultipliedAlpha} matches the source image,
+   * conversion may not be necessary. See [[#color-space-conversion-elision]].
+   */
+  premultipliedAlpha?: boolean;
+}
+
+interface GPUCopyExternalImageSourceInfo {
+  /**
+   * The source of the texel copy. The copy source data is captured at the moment that
+   * {@link GPUQueue#copyExternalImageToTexture} is issued. Source size is determined as described
+   * by the external source dimensions table.
+   */
+  source: GPUCopyExternalImageSource;
+  /**
+   * Defines the origin of the copy - the minimum (top-left) corner of the source sub-region to copy from.
+   * Together with `copySize`, defines the full copy sub-region.
+   */
+  origin?: GPUOrigin2D;
+  /**
+   * Describes whether the source image is vertically flipped, or not.
+   * If this option is set to `true`, the copy is flipped vertically: the bottom row of the source
+   * region is copied into the first row of the destination region, and so on.
+   * The {@link GPUCopyExternalImageSourceInfo#origin} option is still relative to the top-left corner
+   * of the source image, increasing downward.
+   */
+  flipY?: boolean;
+}
+
 interface GPUDepthStencilState {
   /**
    * The {@link GPUTextureViewDescriptor#format} of {@link GPURenderPassDescriptor#depthStencilAttachment}
@@ -804,106 +861,6 @@ interface GPUFragmentState
   targets: Array<GPUColorTargetState | null>;
 }
 
-interface GPUImageCopyBuffer
-  extends GPUImageDataLayout {
-  /**
-   * A buffer which either contains image data to be copied or will store the image data being
-   * copied, depending on the method it is being passed to.
-   */
-  buffer: GPUBuffer;
-}
-
-interface GPUImageCopyExternalImage {
-  /**
-   * The source of the image copy. The copy source data is captured at the moment that
-   * {@link GPUQueue#copyExternalImageToTexture} is issued. Source size is determined as described
-   * by the external source dimensions table.
-   */
-  source: GPUImageCopyExternalImageSource;
-  /**
-   * Defines the origin of the copy - the minimum (top-left) corner of the source sub-region to copy from.
-   * Together with `copySize`, defines the full copy sub-region.
-   */
-  origin?: GPUOrigin2D;
-  /**
-   * Describes whether the source image is vertically flipped, or not.
-   * If this option is set to `true`, the copy is flipped vertically: the bottom row of the source
-   * region is copied into the first row of the destination region, and so on.
-   * The {@link GPUImageCopyExternalImage#origin} option is still relative to the top-left corner
-   * of the source image, increasing downward.
-   */
-  flipY?: boolean;
-}
-
-interface GPUImageCopyTexture {
-  /**
-   * Texture to copy to/from.
-   */
-  texture: GPUTexture;
-  /**
-   * Mip-map level of the {@link GPUImageCopyTexture#texture} to copy to/from.
-   */
-  mipLevel?: GPUIntegerCoordinate;
-  /**
-   * Defines the origin of the copy - the minimum corner of the texture sub-region to copy to/from.
-   * Together with `copySize`, defines the full copy sub-region.
-   */
-  origin?: GPUOrigin3D;
-  /**
-   * Defines which aspects of the {@link GPUImageCopyTexture#texture} to copy to/from.
-   */
-  aspect?: GPUTextureAspect;
-}
-
-interface GPUImageCopyTextureTagged
-  extends GPUImageCopyTexture {
-  /**
-   * Describes the color space and encoding used to encode data into the destination texture.
-   * This [[#color-space-conversions|may result]] in values outside of the range [0, 1]
-   * being written to the target texture, if its format can represent them.
-   * Otherwise, the results are clamped to the target texture format's range.
-   * Note:
-   * If {@link GPUImageCopyTextureTagged#colorSpace} matches the source image,
-   * conversion may not be necessary. See [[#color-space-conversion-elision]].
-   */
-  colorSpace?: PredefinedColorSpace;
-  /**
-   * Describes whether the data written into the texture should have its RGB channels
-   * premultiplied by the alpha channel, or not.
-   * If this option is set to `true` and the {@link GPUImageCopyExternalImage#source} is also
-   * premultiplied, the source RGB values must be preserved even if they exceed their
-   * corresponding alpha values.
-   * Note:
-   * If {@link GPUImageCopyTextureTagged#premultipliedAlpha} matches the source image,
-   * conversion may not be necessary. See [[#color-space-conversion-elision]].
-   */
-  premultipliedAlpha?: boolean;
-}
-
-interface GPUImageDataLayout {
-  /**
-   * The offset, in bytes, from the beginning of the image data source (such as a
-   * {@link GPUImageCopyBuffer#buffer|GPUImageCopyBuffer.buffer}) to the start of the image data
-   * within that source.
-   */
-  offset?: GPUSize64;
-  /**
-   * The stride, in bytes, between the beginning of each texel block row and the subsequent
-   * texel block row.
-   * Required if there are multiple texel block rows (i.e. the copy height or depth is more
-   * than one block).
-   */
-  bytesPerRow?: GPUSize32;
-  /**
-   * Number of texel block rows per single texel image of the texture.
-   * {@link GPUImageDataLayout#rowsPerImage} &times;
-   * {@link GPUImageDataLayout#bytesPerRow} is the stride, in bytes, between the beginning of each
-   * texel image of data and the subsequent texel image.
-   * Required if there are multiple texel images (i.e. the copy depth is more than one).
-   */
-  rowsPerImage?: GPUSize32;
-}
-
 interface GPUMultisampleState {
   /**
    * Number of samples per pixel. This {@link GPURenderPipeline} will be compatible only
@@ -961,11 +918,11 @@ interface GPUPipelineErrorInit {
 interface GPUPipelineLayoutDescriptor
   extends GPUObjectDescriptorBase {
   /**
-   * A list of {@link GPUBindGroupLayout}s the pipeline will use. Each element corresponds to a
-   * @group attribute in the {@link GPUShaderModule}, with the `N`th element corresponding with
-   * `@group(N)`.
+   * A list of optional {@link GPUBindGroupLayout}s the pipeline will use. Each element corresponds
+   * to a @group attribute in the {@link GPUShaderModule}, with the `N`th element corresponding
+   * with `@group(N)`.
    */
-  bindGroupLayouts: Array<GPUBindGroupLayout>;
+  bindGroupLayouts: Array<GPUBindGroupLayout | null>;
 }
 
 interface GPUPrimitiveState {
@@ -1458,6 +1415,59 @@ interface GPUStorageTextureBindingLayout {
   viewDimension?: GPUTextureViewDimension;
 }
 
+interface GPUTexelCopyBufferInfo
+  extends GPUTexelCopyBufferLayout {
+  /**
+   * A buffer which either contains texel data to be copied or will store the texel data being
+   * copied, depending on the method it is being passed to.
+   */
+  buffer: GPUBuffer;
+}
+
+interface GPUTexelCopyBufferLayout {
+  /**
+   * The offset, in bytes, from the beginning of the texel data source (such as a
+   * {@link GPUTexelCopyBufferInfo#buffer|GPUTexelCopyBufferInfo.buffer}) to the start of the texel data
+   * within that source.
+   */
+  offset?: GPUSize64;
+  /**
+   * The stride, in bytes, between the beginning of each texel block row and the subsequent
+   * texel block row.
+   * Required if there are multiple texel block rows (i.e. the copy height or depth is more
+   * than one block).
+   */
+  bytesPerRow?: GPUSize32;
+  /**
+   * Number of texel block rows per single texel image of the texture.
+   * {@link GPUTexelCopyBufferLayout#rowsPerImage} &times;
+   * {@link GPUTexelCopyBufferLayout#bytesPerRow} is the stride, in bytes, between the beginning of each
+   * texel image of data and the subsequent texel image.
+   * Required if there are multiple texel images (i.e. the copy depth is more than one).
+   */
+  rowsPerImage?: GPUSize32;
+}
+
+interface GPUTexelCopyTextureInfo {
+  /**
+   * Texture to copy to/from.
+   */
+  texture: GPUTexture;
+  /**
+   * Mip-map level of the {@link GPUTexelCopyTextureInfo#texture} to copy to/from.
+   */
+  mipLevel?: GPUIntegerCoordinate;
+  /**
+   * Defines the origin of the copy - the minimum corner of the texture sub-region to copy to/from.
+   * Together with `copySize`, defines the full copy sub-region.
+   */
+  origin?: GPUOrigin3D;
+  /**
+   * Defines which aspects of the {@link GPUTexelCopyTextureInfo#texture} to copy to/from.
+   */
+  aspect?: GPUTextureAspect;
+}
+
 interface GPUTextureBindingLayout {
   /**
    * Indicates the type required for texture views bound to this binding.
@@ -2006,8 +2016,8 @@ interface GPUCommandEncoder
    * 	`copySize`:
    */
   copyBufferToTexture(
-    source: GPUImageCopyBuffer,
-    destination: GPUImageCopyTexture,
+    source: GPUTexelCopyBufferInfo,
+    destination: GPUTexelCopyTextureInfo,
     copySize: GPUExtent3D
   ): undefined;
   /**
@@ -2018,8 +2028,8 @@ interface GPUCommandEncoder
    * 	`copySize`:
    */
   copyTextureToBuffer(
-    source: GPUImageCopyTexture,
-    destination: GPUImageCopyBuffer,
+    source: GPUTexelCopyTextureInfo,
+    destination: GPUTexelCopyBufferInfo,
     copySize: GPUExtent3D
   ): undefined;
   /**
@@ -2031,8 +2041,8 @@ interface GPUCommandEncoder
    * 	`copySize`:
    */
   copyTextureToTexture(
-    source: GPUImageCopyTexture,
-    destination: GPUImageCopyTexture,
+    source: GPUTexelCopyTextureInfo,
+    destination: GPUTexelCopyTextureInfo,
     copySize: GPUExtent3D
   ): undefined;
   /**
@@ -2504,16 +2514,16 @@ interface GPUQueue
    * @param size - Extents of the content to write from `data` to `destination`.
    */
   writeTexture(
-    destination: GPUImageCopyTexture,
+    destination: GPUTexelCopyTextureInfo,
     data: AllowSharedBufferSource,
-    dataLayout: GPUImageDataLayout,
+    dataLayout: GPUTexelCopyBufferLayout,
     size: GPUExtent3D
   ): undefined;
   /**
    * Issues a copy operation of the contents of a platform image/canvas
    * into the destination texture.
    * This operation performs [[#color-space-conversions|color encoding]] into the destination
-   * encoding according to the parameters of {@link GPUImageCopyTextureTagged}.
+   * encoding according to the parameters of {@link GPUCopyExternalImageDestInfo}.
    * Copying into a `-srgb` texture results in the same texture bytes, not the same decoded
    * values, as copying into the corresponding non-`-srgb` format.
    * Thus, after a copy operation, sampling the destination texture has
@@ -2524,8 +2534,8 @@ interface GPUQueue
    * @param copySize - Extents of the content to write from `source` to `destination`.
    */
   copyExternalImageToTexture(
-    source: GPUImageCopyExternalImage,
-    destination: GPUImageCopyTextureTagged,
+    source: GPUCopyExternalImageSourceInfo,
+    destination: GPUCopyExternalImageDestInfo,
     copySize: GPUExtent3D
   ): undefined;
 }
diff --git a/gpuweb b/gpuweb
index 3846d78..b6a7642 160000
--- a/gpuweb
+++ b/gpuweb
@@ -1 +1 @@
-Subproject commit 3846d7836654f2a7d9dac0dd4d78bed141315cf9
+Subproject commit b6a764223275356f485506693413d1bbfcb368b3