From: Francisco Casas fcasas@codeweavers.com
--- libs/vkd3d-shader/hlsl.h | 41 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+)
diff --git a/libs/vkd3d-shader/hlsl.h b/libs/vkd3d-shader/hlsl.h index 2e4a5bc0..e2a97b35 100644 --- a/libs/vkd3d-shader/hlsl.h +++ b/libs/vkd3d-shader/hlsl.h @@ -114,33 +114,74 @@ enum hlsl_matrix_majority HLSL_ROW_MAJOR };
+/* An HLSL source-level data type, including anonymous structs and typedefs. */ struct hlsl_type { + /* Item entry in hlsl_ctx->types. */ struct list entry; + /* Item entry in hlsl_scope->types. hlsl_type->name is used as key (if not NULL). */ struct rb_entry scope_entry; + enum hlsl_type_class type; + /* If type is <= HLSL_CLASS_LAST_NUMERIC, then base_type is <= HLSL_TYPE_LAST_SCALAR. + * If type is HLSL_CLASS_OBJECT, then base_type is > HLSL_TYPE_LAST_SCALAR. + * Otherwise, base_type is not used. */ enum hlsl_base_type base_type; + + /* If base_type is HLSL_TYPE_SAMPLER, then sampler_dim is <= HLSL_SAMPLER_DIM_LAST_SAMPLER. + * If base_type is HLSL_TYPE_TEXTURE, then sampler_dim can have any value of the enum. + * If base_type is HLSL_TYPE_UAV, them sampler_dim must be one of HLSL_SAMPLER_DIM_1D, + * HLSL_SAMPLER_DIM_2D, HLSL_SAMPLER_DIM_3D, HLSL_SAMPLER_DIM_1DARRAY, or HLSL_SAMPLER_DIM_2DARRAY. + * Otherwise, sampler_dim is not used */ enum hlsl_sampler_dim sampler_dim; + /* Name, in case the type is a named struct or a typedef. */ const char *name; + /* Bitfield for storing type modifiers, subset of HLSL_TYPE_MODIFIERS_MASK. + * Modifiers that don't fall inside this mask are to be stored in the variable in + * hlsl_ir_var.modifiers, or in the struct field in hlsl_ir_field.modifiers. */ unsigned int modifiers; + /* Size of the type values on each dimension. For non-numeric types, they are set for the + * convenience of the sm1/sm4 backends. + * If type is HLSL_CLASS_SCALAR, then both dimx = 1 and dimy = 1. + * If type is HLSL_CLASS_VECTOR, then dimx is the size of the vector, and dimy = 1. + * If type is HLSL_CLASS_MATRIX, then dimx is the number of rows, and dimy the number of columns. + * If type is HLSL_CLASS_ARRAY, then dimx and dimy is the same as in the type of the array elements. + * If type is HLSL_CLASS_STRUCT, then dimx is the sum of (dimx * dimy) of every component, and dimy = 1. + * If type is HLSL_CLASS_OBJECT, dimx and dimy depend on the base_type: + * If base_type is HLSL_TYPE_SAMPLER, then both dimx = 1 and dimy = 1. + * If base_type is HLSL_TYPE_TEXTURE, then dimx = 4 and dimy = 1. + * If base_type is HLSL_TYPE_UAV, then dimx is the dimx of e.resource_format, and dimy = 1. + * Otherwise both dimx = 1 and dimy = 1. */ unsigned int dimx; unsigned int dimy; + union { + /* Additional information if type is HLSL_CLASS_STRUCT. */ struct { struct hlsl_struct_field *fields; size_t field_count; } record; + /* Additional information if type is HLSL_CLASS_ARRAY. */ struct { struct hlsl_type *type; + /* Array lenght, or HLSL_ARRAY_ELEMENTS_COUNT_IMPLICIT if it is unknown yet while parsing. */ unsigned int elements_count; } array; + /* Format of the data contained within the type if the base_type is HLSL_TYPE_TEXTURE or + * HLSL_TYPE_UAV. */ struct hlsl_type *resource_format; } e;
+ /* Number of numeric register components used by one value of this type (4 components make 1 + * register). + * If type is HLSL_CLASS_STRUCT or HLSL_CLASS_ARRAY, this value includes the reg_size of + * their elements and padding (which varies according to the backend). + * This value is 0 for types without numeric components, like objects. */ unsigned int reg_size; + /* Offset where the type's description starts in the output bytecode, in bytes. */ size_t bytecode_offset; };