diff options
Diffstat (limited to 'docs/user-guide/a2-01-spirv-target-specific.md')
| -rw-r--r-- | docs/user-guide/a2-01-spirv-target-specific.md | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/docs/user-guide/a2-01-spirv-target-specific.md b/docs/user-guide/a2-01-spirv-target-specific.md index 05bf023df..0f64a5e1b 100644 --- a/docs/user-guide/a2-01-spirv-target-specific.md +++ b/docs/user-guide/a2-01-spirv-target-specific.md @@ -67,6 +67,8 @@ The system-value semantics are translated to the following SPIR-V code. | `SV_DomainLocation` | `BuiltIn TessCoord` | | `SV_DrawIndex`<sup>*</sup> | `Builtin DrawIndex` | | `SV_DeviceIndex` | `Builtin DeviceIndex` | +| `SV_FragInvocationCount` | `Builtin FragInvocationCountExt` | +| `SV_FragSize` | `Builtin FragSizeExt` | | `SV_GSInstanceID` | `BuiltIn InvocationId` | | `SV_GroupID` | `BuiltIn WorkgroupId` | | `SV_GroupIndex` | `BuiltIn LocalInvocationIndex` | @@ -95,7 +97,7 @@ The system-value semantics are translated to the following SPIR-V code. | `SV_VulkanInstanceID` | `BuiltIn InstanceIndex` | | `SV_VulkanVertexID` | `BuiltIn VertexIndex` | -*Note* that `SV_DrawIndex`, `SV_PointSize` and `SV_PointCoord` are Slang-specific semantics that are not defined in HLSL. +*Note* that `SV_DrawIndex`, `SV_FragInvocationCount`, `SV_FragSize`, `SV_PointSize` and `SV_PointCoord` are Slang-specific semantics that are not defined in HLSL. Also *Note* that `SV_InstanceID`/`SV_VertexID` counts all instances/vertices in a draw call, unlike how `InstanceIndex`/`VertexIndex` is relative to `BaseInstance`/`BaseVertex`. See [Using SV_InstanceID/SV_VertexID with SPIR-V target](#using-sv_instanceid-and-sv_vertexid-with-spir-v-target) |