diff options
| author | ArielG-NV <159081215+ArielG-NV@users.noreply.github.com> | 2025-05-27 18:31:25 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-05-28 01:31:25 +0000 |
| commit | c9e9efaaf064dc0a3d3a538506f5f0f47de9b674 (patch) | |
| tree | 565ce3c55d2e24861bd20cab13b3e747a7a45185 /docs | |
| parent | 3a9f189c6a087cb3a58bed2f81543ceb26e62b0e (diff) | |
Change default descriptor binding to be VkMutable (#7224)
* change default descriptor binding to be VkMutable
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/user-guide/03-convenience-features.md | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/docs/user-guide/03-convenience-features.md b/docs/user-guide/03-convenience-features.md index d522daf81..948809110 100644 --- a/docs/user-guide/03-convenience-features.md +++ b/docs/user-guide/03-convenience-features.md @@ -610,12 +610,12 @@ Default behavior assigns binding-indicies based on descriptor types: | Sampler | VK_DESCRIPTOR_TYPE_SAMPLER | 0 | | CombinedTextureSampler | VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER | 1 | | Texture_Read | VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE | 2 | -| Texture_ReadWrite | VK_DESCRIPTOR_TYPE_STORAGE_IMAGE | 3 | -| TexelBuffer_Read | VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER | 4 | -| TexelBuffer_ReadWrite | VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER | 5 | -| Buffer_Read | VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER | 6 | -| Buffer_ReadWrite | VK_DESCRIPTOR_TYPE_STORAGE_BUFFER | 7 | -| Unknown | Other | 8 | +| Texture_ReadWrite | VK_DESCRIPTOR_TYPE_STORAGE_IMAGE | 2 | +| TexelBuffer_Read | VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER | 2 | +| TexelBuffer_ReadWrite | VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER | 2 | +| Buffer_Read | VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER | 2 | +| Buffer_ReadWrite | VK_DESCRIPTOR_TYPE_STORAGE_BUFFER | 2 | +| Unknown | Other | 3 | > `ACCELERATION_STRUCTURE` is excluded from the list of types since Slang by default uses the handle to a `RaytracingAccelerationStructure` as a GPU address, casting the handle to a `RaytracingAccelerationStructure`. This removes the need for a binding-slot of `RaytracingAccelerationStructure`. @@ -672,11 +672,24 @@ Additionally, `defaultGetDescriptorFromHandle()` takes an optional argument whos ```slang public enum BindlessDescriptorOptions { - None = 0, /// Bind assuming regular binding model rules. - VkMutable = 1, /// Bind assuming `VK_EXT_mutable_descriptor_type` without mutable `AccelerationStructure` binding support. + None = 0, /// Bind assuming regular binding model rules. + VkMutable = 1, /// **Current Default** Bind assuming `VK_EXT_mutable_descriptor_type` } ``` +`None` provides the following bindings for descriptor types: +| Enum Value | Vulkan Descriptor Type | Binding Index | +|------------------------|-------------------------------------------|---------------| +| Sampler | VK_DESCRIPTOR_TYPE_SAMPLER | 0 | +| CombinedTextureSampler | VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER | 1 | +| Texture_Read | VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE | 2 | +| Texture_ReadWrite | VK_DESCRIPTOR_TYPE_STORAGE_IMAGE | 3 | +| TexelBuffer_Read | VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER | 4 | +| TexelBuffer_ReadWrite | VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER | 5 | +| Buffer_Read | VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER | 6 | +| Buffer_ReadWrite | VK_DESCRIPTOR_TYPE_STORAGE_BUFFER | 7 | +| Unknown | Other | 8 | + `VkMutable` provides the following bindings for descriptor types: | Enum Value | Vulkan Descriptor Type | Binding Index | |------------------------|-------------------------------------------|---------------| |