diff options
Diffstat (limited to 'slang.h')
| -rw-r--r-- | slang.h | 45 |
1 files changed, 45 insertions, 0 deletions
@@ -1297,6 +1297,43 @@ extern "C" int genericArgCount, char const** genericArgs); + /** Specify the concrete type to be used for a global "existential slot." + + Every shader parameter (or leaf field of a `struct`-type shader parameter) + that has an interface or array-of-interface type introduces an existential + slot. The number of slots consumed by a shader parameter, and the starting + slot of each parameter can be queried via the reflection API using + `SLANG_PARAMETER_CATEGORY_EXISTENTIAL_SLOT`. + + In order to generate specialized code, a concrete type needs to be specified + for each existential slot. This function specifies the name of the type + (or in general a type *expression*) to use for a specific slot at the + global scope. + */ + SLANG_API SlangResult spSetTypeNameForGlobalExistentialSlot( + SlangCompileRequest* request, + int slotIndex, + char const* typeName); + + /** Specify the concrete type to be used for an entry-point "existential slot." + + Every shader parameter (or leaf field of a `struct`-type shader parameter) + that has an interface or array-of-interface type introduces an existential + slot. The number of slots consumed by a shader parameter, and the starting + slot of each parameter can be queried via the reflection API using + `SLANG_PARAMETER_CATEGORY_EXISTENTIAL_SLOT`. + + In order to generate specialized code, a concrete type needs to be specified + for each existential slot. This function specifies the name of the type + (or in general a type *expression*) to use for a specific slot at the + entry-point scope. + */ + SLANG_API SlangResult spSetTypeNameForEntryPointExistentialSlot( + SlangCompileRequest* request, + int entryPointIndex, + int slotIndex, + char const* typeName); + /** Execute the compilation request. @returns SlangResult, SLANG_OK on success. Use SLANG_SUCCEEDED() and SLANG_FAILED() to test SlangResult. @@ -1517,6 +1554,12 @@ extern "C" SLANG_PARAMETER_CATEGORY_CALLABLE_PAYLOAD, SLANG_PARAMETER_CATEGORY_SHADER_RECORD, + // A parameter of interface or array-of-interface type introduces + // one existential slot, into which a concrete type must be plugged + // to enable specialized code generation. + // + SLANG_PARAMETER_CATEGORY_EXISTENTIAL_SLOT, + // SLANG_PARAMETER_CATEGORY_COUNT, @@ -1896,6 +1939,8 @@ namespace slang ShaderRecord = SLANG_PARAMETER_CATEGORY_SHADER_RECORD, + ExistentialSlot = SLANG_PARAMETER_CATEGORY_EXISTENTIAL_SLOT, + // DEPRECATED: VertexInput = SLANG_PARAMETER_CATEGORY_VERTEX_INPUT, FragmentOutput = SLANG_PARAMETER_CATEGORY_FRAGMENT_OUTPUT, |