| /* |
| * Copyright © 2015 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| * IN THE SOFTWARE. |
| * |
| * Authors: |
| * Jason Ekstrand (jason@jlekstrand.net) |
| * |
| */ |
| |
| #ifndef _VTN_PRIVATE_H_ |
| #define _VTN_PRIVATE_H_ |
| |
| #include <setjmp.h> |
| |
| #include "nir/nir.h" |
| #include "nir/nir_builder.h" |
| #include "util/u_dynarray.h" |
| #include "nir_spirv.h" |
| #include "spirv.h" |
| |
| struct vtn_builder; |
| struct vtn_decoration; |
| |
| void vtn_log(struct vtn_builder *b, enum nir_spirv_debug_level level, |
| size_t spirv_offset, const char *message); |
| |
| void vtn_logf(struct vtn_builder *b, enum nir_spirv_debug_level level, |
| size_t spirv_offset, const char *fmt, ...) PRINTFLIKE(4, 5); |
| |
| #define vtn_info(...) vtn_logf(b, NIR_SPIRV_DEBUG_LEVEL_INFO, 0, __VA_ARGS__) |
| |
| void _vtn_warn(struct vtn_builder *b, const char *file, unsigned line, |
| const char *fmt, ...) PRINTFLIKE(4, 5); |
| #define vtn_warn(...) _vtn_warn(b, __FILE__, __LINE__, __VA_ARGS__) |
| |
| void _vtn_err(struct vtn_builder *b, const char *file, unsigned line, |
| const char *fmt, ...) PRINTFLIKE(4, 5); |
| #define vtn_err(...) _vtn_err(b, __FILE__, __LINE__, __VA_ARGS__) |
| |
| /** Fail SPIR-V parsing |
| * |
| * This function logs an error and then bails out of the shader compile using |
| * longjmp. This being safe relies on two things: |
| * |
| * 1) We must guarantee that setjmp is called after allocating the builder |
| * and setting up b->debug (so that logging works) but before before any |
| * errors have a chance to occur. |
| * |
| * 2) While doing the SPIR-V -> NIR conversion, we need to be careful to |
| * ensure that all heap allocations happen through ralloc and are parented |
| * to the builder. This way they will get properly cleaned up on error. |
| * |
| * 3) We must ensure that _vtn_fail is never called while a mutex lock or a |
| * reference to any other resource is held with the exception of ralloc |
| * objects which are parented to the builder. |
| * |
| * So long as these two things continue to hold, we can easily longjmp back to |
| * spirv_to_nir(), clean up the builder, and return NULL. |
| */ |
| NORETURN void |
| _vtn_fail(struct vtn_builder *b, const char *file, unsigned line, |
| const char *fmt, ...) PRINTFLIKE(4, 5); |
| |
| #define vtn_fail(...) _vtn_fail(b, __FILE__, __LINE__, __VA_ARGS__) |
| |
| /** Fail if the given expression evaluates to true */ |
| #define vtn_fail_if(expr, ...) \ |
| do { \ |
| if (unlikely(expr)) \ |
| vtn_fail(__VA_ARGS__); \ |
| } while (0) |
| |
| #define _vtn_fail_with(t, msg, v) \ |
| vtn_fail("%s: %s (%u)\n", msg, spirv_ ## t ## _to_string(v), v) |
| |
| #define vtn_fail_with_decoration(msg, v) _vtn_fail_with(decoration, msg, v) |
| #define vtn_fail_with_opcode(msg, v) _vtn_fail_with(op, msg, v) |
| |
| /** Assert that a condition is true and, if it isn't, vtn_fail |
| * |
| * This macro is transitional only and should not be used in new code. Use |
| * vtn_fail_if and provide a real message instead. |
| */ |
| #define vtn_assert(expr) \ |
| do { \ |
| if (!likely(expr)) \ |
| vtn_fail("%s", #expr); \ |
| } while (0) |
| |
| enum vtn_value_type { |
| vtn_value_type_invalid = 0, |
| vtn_value_type_undef, |
| vtn_value_type_string, |
| vtn_value_type_decoration_group, |
| vtn_value_type_type, |
| vtn_value_type_constant, |
| vtn_value_type_pointer, |
| vtn_value_type_function, |
| vtn_value_type_block, |
| vtn_value_type_ssa, |
| vtn_value_type_extension, |
| vtn_value_type_image_pointer, |
| }; |
| |
| enum vtn_branch_type { |
| vtn_branch_type_none, |
| vtn_branch_type_if_merge, |
| vtn_branch_type_switch_break, |
| vtn_branch_type_switch_fallthrough, |
| vtn_branch_type_loop_break, |
| vtn_branch_type_loop_continue, |
| vtn_branch_type_loop_back_edge, |
| vtn_branch_type_discard, |
| vtn_branch_type_return, |
| }; |
| |
| enum vtn_cf_node_type { |
| vtn_cf_node_type_block, |
| vtn_cf_node_type_if, |
| vtn_cf_node_type_loop, |
| vtn_cf_node_type_case, |
| vtn_cf_node_type_switch, |
| vtn_cf_node_type_function, |
| }; |
| |
| struct vtn_cf_node { |
| struct list_head link; |
| struct vtn_cf_node *parent; |
| enum vtn_cf_node_type type; |
| }; |
| |
| struct vtn_loop { |
| struct vtn_cf_node node; |
| |
| /* The main body of the loop */ |
| struct list_head body; |
| |
| /* The "continue" part of the loop. This gets executed after the body |
| * and is where you go when you hit a continue. |
| */ |
| struct list_head cont_body; |
| |
| struct vtn_block *header_block; |
| struct vtn_block *cont_block; |
| struct vtn_block *break_block; |
| |
| SpvLoopControlMask control; |
| }; |
| |
| struct vtn_if { |
| struct vtn_cf_node node; |
| |
| uint32_t condition; |
| |
| enum vtn_branch_type then_type; |
| struct list_head then_body; |
| |
| enum vtn_branch_type else_type; |
| struct list_head else_body; |
| |
| struct vtn_block *merge_block; |
| |
| SpvSelectionControlMask control; |
| }; |
| |
| struct vtn_case { |
| struct vtn_cf_node node; |
| |
| struct vtn_block *block; |
| |
| enum vtn_branch_type type; |
| struct list_head body; |
| |
| /* The fallthrough case, if any */ |
| struct vtn_case *fallthrough; |
| |
| /* The uint32_t values that map to this case */ |
| struct util_dynarray values; |
| |
| /* True if this is the default case */ |
| bool is_default; |
| |
| /* Initialized to false; used when sorting the list of cases */ |
| bool visited; |
| }; |
| |
| struct vtn_switch { |
| struct vtn_cf_node node; |
| |
| uint32_t selector; |
| |
| struct list_head cases; |
| |
| struct vtn_block *break_block; |
| }; |
| |
| struct vtn_block { |
| struct vtn_cf_node node; |
| |
| /** A pointer to the label instruction */ |
| const uint32_t *label; |
| |
| /** A pointer to the merge instruction (or NULL if non exists) */ |
| const uint32_t *merge; |
| |
| /** A pointer to the branch instruction that ends this block */ |
| const uint32_t *branch; |
| |
| enum vtn_branch_type branch_type; |
| |
| /* The CF node for which this is a merge target |
| * |
| * The SPIR-V spec requires that any given block can be the merge target |
| * for at most one merge instruction. If this block is a merge target, |
| * this points back to the block containing that merge instruction. |
| */ |
| struct vtn_cf_node *merge_cf_node; |
| |
| /** Points to the loop that this block starts (if it starts a loop) */ |
| struct vtn_loop *loop; |
| |
| /** Points to the switch case started by this block (if any) */ |
| struct vtn_case *switch_case; |
| |
| /** Every block ends in a nop intrinsic so that we can find it again */ |
| nir_intrinsic_instr *end_nop; |
| |
| /** attached nir_block */ |
| struct nir_block *block; |
| }; |
| |
| struct vtn_function { |
| struct vtn_cf_node node; |
| |
| struct vtn_type *type; |
| |
| bool referenced; |
| bool emitted; |
| |
| nir_function_impl *impl; |
| struct vtn_block *start_block; |
| |
| struct list_head body; |
| |
| const uint32_t *end; |
| |
| SpvFunctionControlMask control; |
| }; |
| |
| #define VTN_DECL_CF_NODE_CAST(_type) \ |
| static inline struct vtn_##_type * \ |
| vtn_cf_node_as_##_type(struct vtn_cf_node *node) \ |
| { \ |
| assert(node->type == vtn_cf_node_type_##_type); \ |
| return (struct vtn_##_type *)node; \ |
| } |
| |
| VTN_DECL_CF_NODE_CAST(block) |
| VTN_DECL_CF_NODE_CAST(loop) |
| VTN_DECL_CF_NODE_CAST(if) |
| VTN_DECL_CF_NODE_CAST(case) |
| VTN_DECL_CF_NODE_CAST(switch) |
| VTN_DECL_CF_NODE_CAST(function) |
| |
| #define vtn_foreach_cf_node(node, cf_list) \ |
| list_for_each_entry(struct vtn_cf_node, node, cf_list, link) |
| |
| typedef bool (*vtn_instruction_handler)(struct vtn_builder *, SpvOp, |
| const uint32_t *, unsigned); |
| |
| void vtn_build_cfg(struct vtn_builder *b, const uint32_t *words, |
| const uint32_t *end); |
| void vtn_function_emit(struct vtn_builder *b, struct vtn_function *func, |
| vtn_instruction_handler instruction_handler); |
| void vtn_handle_function_call(struct vtn_builder *b, SpvOp opcode, |
| const uint32_t *w, unsigned count); |
| |
| const uint32_t * |
| vtn_foreach_instruction(struct vtn_builder *b, const uint32_t *start, |
| const uint32_t *end, vtn_instruction_handler handler); |
| |
| struct vtn_ssa_value { |
| union { |
| nir_ssa_def *def; |
| struct vtn_ssa_value **elems; |
| }; |
| |
| /* For matrices, if this is non-NULL, then this value is actually the |
| * transpose of some other value. The value that `transposed` points to |
| * always dominates this value. |
| */ |
| struct vtn_ssa_value *transposed; |
| |
| const struct glsl_type *type; |
| }; |
| |
| enum vtn_base_type { |
| vtn_base_type_void, |
| vtn_base_type_scalar, |
| vtn_base_type_vector, |
| vtn_base_type_matrix, |
| vtn_base_type_array, |
| vtn_base_type_struct, |
| vtn_base_type_pointer, |
| vtn_base_type_image, |
| vtn_base_type_sampler, |
| vtn_base_type_sampled_image, |
| vtn_base_type_function, |
| }; |
| |
| struct vtn_type { |
| enum vtn_base_type base_type; |
| |
| const struct glsl_type *type; |
| |
| /* The SPIR-V id of the given type. */ |
| uint32_t id; |
| |
| /* Specifies the length of complex types. |
| * |
| * For Workgroup pointers, this is the size of the referenced type. |
| */ |
| unsigned length; |
| |
| /* for arrays, matrices and pointers, the array stride */ |
| unsigned stride; |
| |
| /* Access qualifiers */ |
| enum gl_access_qualifier access; |
| |
| union { |
| /* Members for scalar, vector, and array-like types */ |
| struct { |
| /* for arrays, the vtn_type for the elements of the array */ |
| struct vtn_type *array_element; |
| |
| /* for matrices, whether the matrix is stored row-major */ |
| bool row_major:1; |
| |
| /* Whether this type, or a parent type, has been decorated as a |
| * builtin |
| */ |
| bool is_builtin:1; |
| |
| /* Which built-in to use */ |
| SpvBuiltIn builtin; |
| }; |
| |
| /* Members for struct types */ |
| struct { |
| /* for structures, the vtn_type for each member */ |
| struct vtn_type **members; |
| |
| /* for structs, the offset of each member */ |
| unsigned *offsets; |
| |
| /* for structs, whether it was decorated as a "non-SSBO-like" block */ |
| bool block:1; |
| |
| /* for structs, whether it was decorated as an "SSBO-like" block */ |
| bool buffer_block:1; |
| |
| /* for structs with block == true, whether this is a builtin block |
| * (i.e. a block that contains only builtins). |
| */ |
| bool builtin_block:1; |
| |
| /* for structs and unions it specifies the minimum alignment of the |
| * members. 0 means packed. |
| * |
| * Set by CPacked and Alignment Decorations in kernels. |
| */ |
| bool packed:1; |
| }; |
| |
| /* Members for pointer types */ |
| struct { |
| /* For pointers, the vtn_type for dereferenced type */ |
| struct vtn_type *deref; |
| |
| /* Storage class for pointers */ |
| SpvStorageClass storage_class; |
| |
| /* Required alignment for pointers */ |
| uint32_t align; |
| }; |
| |
| /* Members for image types */ |
| struct { |
| /* GLSL image type for this type. This is not to be confused with |
| * vtn_type::type which is actually going to be the GLSL type for a |
| * pointer to an image, likely a uint32_t. |
| */ |
| const struct glsl_type *glsl_image; |
| |
| /* Image format for image_load_store type images */ |
| unsigned image_format; |
| |
| /* Access qualifier for storage images */ |
| SpvAccessQualifier access_qualifier; |
| }; |
| |
| /* Members for sampled image types */ |
| struct { |
| /* For sampled images, the image type */ |
| struct vtn_type *image; |
| }; |
| |
| /* Members for function types */ |
| struct { |
| /* For functions, the vtn_type for each parameter */ |
| struct vtn_type **params; |
| |
| /* Return type for functions */ |
| struct vtn_type *return_type; |
| }; |
| }; |
| }; |
| |
| bool vtn_type_contains_block(struct vtn_builder *b, struct vtn_type *type); |
| |
| bool vtn_types_compatible(struct vtn_builder *b, |
| struct vtn_type *t1, struct vtn_type *t2); |
| |
| struct vtn_type *vtn_type_without_array(struct vtn_type *type); |
| |
| struct vtn_variable; |
| |
| enum vtn_access_mode { |
| vtn_access_mode_id, |
| vtn_access_mode_literal, |
| }; |
| |
| struct vtn_access_link { |
| enum vtn_access_mode mode; |
| int64_t id; |
| }; |
| |
| struct vtn_access_chain { |
| uint32_t length; |
| |
| /** Whether or not to treat the base pointer as an array. This is only |
| * true if this access chain came from an OpPtrAccessChain. |
| */ |
| bool ptr_as_array; |
| |
| /* Access qualifiers */ |
| enum gl_access_qualifier access; |
| |
| /** Struct elements and array offsets. |
| * |
| * This is an array of 1 so that it can conveniently be created on the |
| * stack but the real length is given by the length field. |
| */ |
| struct vtn_access_link link[1]; |
| }; |
| |
| enum vtn_variable_mode { |
| vtn_variable_mode_function, |
| vtn_variable_mode_private, |
| vtn_variable_mode_uniform, |
| vtn_variable_mode_atomic_counter, |
| vtn_variable_mode_ubo, |
| vtn_variable_mode_ssbo, |
| vtn_variable_mode_phys_ssbo, |
| vtn_variable_mode_push_constant, |
| vtn_variable_mode_workgroup, |
| vtn_variable_mode_cross_workgroup, |
| vtn_variable_mode_input, |
| vtn_variable_mode_output, |
| vtn_variable_mode_image, |
| }; |
| |
| struct vtn_pointer { |
| /** The variable mode for the referenced data */ |
| enum vtn_variable_mode mode; |
| |
| /** The dereferenced type of this pointer */ |
| struct vtn_type *type; |
| |
| /** The pointer type of this pointer |
| * |
| * This may be NULL for some temporary pointers constructed as part of a |
| * large load, store, or copy. It MUST be valid for all pointers which are |
| * stored as SPIR-V SSA values. |
| */ |
| struct vtn_type *ptr_type; |
| |
| /** The referenced variable, if known |
| * |
| * This field may be NULL if the pointer uses a (block_index, offset) pair |
| * instead of an access chain or if the access chain starts at a deref. |
| */ |
| struct vtn_variable *var; |
| |
| /** The NIR deref corresponding to this pointer */ |
| nir_deref_instr *deref; |
| |
| /** A (block_index, offset) pair representing a UBO or SSBO position. */ |
| struct nir_ssa_def *block_index; |
| struct nir_ssa_def *offset; |
| |
| /* Access qualifiers */ |
| enum gl_access_qualifier access; |
| }; |
| |
| bool vtn_mode_uses_ssa_offset(struct vtn_builder *b, |
| enum vtn_variable_mode mode); |
| |
| static inline bool vtn_pointer_uses_ssa_offset(struct vtn_builder *b, |
| struct vtn_pointer *ptr) |
| { |
| return vtn_mode_uses_ssa_offset(b, ptr->mode); |
| } |
| |
| |
| struct vtn_variable { |
| enum vtn_variable_mode mode; |
| |
| struct vtn_type *type; |
| |
| unsigned descriptor_set; |
| unsigned binding; |
| bool explicit_binding; |
| unsigned offset; |
| unsigned input_attachment_index; |
| bool patch; |
| |
| nir_variable *var; |
| |
| /* If the variable is a struct with a location set on it then this will be |
| * stored here. This will be used to calculate locations for members that |
| * don’t have their own explicit location. |
| */ |
| int base_location; |
| |
| int shared_location; |
| |
| /** |
| * In some early released versions of GLSLang, it implemented all function |
| * calls by making copies of all parameters into temporary variables and |
| * passing those variables into the function. It even did so for samplers |
| * and images which violates the SPIR-V spec. Unfortunately, two games |
| * (Talos Principle and Doom) shipped with this old version of GLSLang and |
| * also happen to pass samplers into functions. Talos Principle received |
| * an update fairly shortly after release with an updated GLSLang. Doom, |
| * on the other hand, has never received an update so we need to work |
| * around this GLSLang issue in SPIR-V -> NIR. Hopefully, we can drop this |
| * hack at some point in the future. |
| */ |
| struct vtn_pointer *copy_prop_sampler; |
| |
| /* Access qualifiers. */ |
| enum gl_access_qualifier access; |
| }; |
| |
| const struct glsl_type * |
| vtn_type_get_nir_type(struct vtn_builder *b, struct vtn_type *type, |
| enum vtn_variable_mode mode); |
| |
| struct vtn_image_pointer { |
| nir_deref_instr *image; |
| nir_ssa_def *coord; |
| nir_ssa_def *sample; |
| nir_ssa_def *lod; |
| }; |
| |
| struct vtn_value { |
| enum vtn_value_type value_type; |
| const char *name; |
| struct vtn_decoration *decoration; |
| struct vtn_type *type; |
| union { |
| char *str; |
| nir_constant *constant; |
| struct vtn_pointer *pointer; |
| struct vtn_image_pointer *image; |
| struct vtn_function *func; |
| struct vtn_block *block; |
| struct vtn_ssa_value *ssa; |
| vtn_instruction_handler ext_handler; |
| }; |
| }; |
| |
| #define VTN_DEC_DECORATION -1 |
| #define VTN_DEC_EXECUTION_MODE -2 |
| #define VTN_DEC_STRUCT_MEMBER0 0 |
| |
| struct vtn_decoration { |
| struct vtn_decoration *next; |
| |
| /* Specifies how to apply this decoration. Negative values represent a |
| * decoration or execution mode. (See the VTN_DEC_ #defines above.) |
| * Non-negative values specify that it applies to a structure member. |
| */ |
| int scope; |
| |
| const uint32_t *operands; |
| struct vtn_value *group; |
| |
| union { |
| SpvDecoration decoration; |
| SpvExecutionMode exec_mode; |
| }; |
| }; |
| |
| struct vtn_builder { |
| nir_builder nb; |
| |
| /* Used by vtn_fail to jump back to the beginning of SPIR-V compilation */ |
| jmp_buf fail_jump; |
| |
| const uint32_t *spirv; |
| size_t spirv_word_count; |
| |
| nir_shader *shader; |
| struct spirv_to_nir_options *options; |
| struct vtn_block *block; |
| |
| /* Current offset, file, line, and column. Useful for debugging. Set |
| * automatically by vtn_foreach_instruction. |
| */ |
| size_t spirv_offset; |
| char *file; |
| int line, col; |
| |
| /* |
| * In SPIR-V, constants are global, whereas in NIR, the load_const |
| * instruction we use is per-function. So while we parse each function, we |
| * keep a hash table of constants we've resolved to nir_ssa_value's so |
| * far, and we lazily resolve them when we see them used in a function. |
| */ |
| struct hash_table *const_table; |
| |
| /* |
| * Map from phi instructions (pointer to the start of the instruction) |
| * to the variable corresponding to it. |
| */ |
| struct hash_table *phi_table; |
| |
| unsigned num_specializations; |
| struct nir_spirv_specialization *specializations; |
| |
| unsigned value_id_bound; |
| struct vtn_value *values; |
| |
| /* True if we need to fix up CS OpControlBarrier */ |
| bool wa_glslang_cs_barrier; |
| |
| gl_shader_stage entry_point_stage; |
| const char *entry_point_name; |
| struct vtn_value *entry_point; |
| struct vtn_value *workgroup_size_builtin; |
| bool variable_pointers; |
| |
| struct vtn_function *func; |
| struct list_head functions; |
| |
| /* Current function parameter index */ |
| unsigned func_param_idx; |
| |
| bool has_loop_continue; |
| |
| /* false by default, set to true by the ContractionOff execution mode */ |
| bool exact; |
| |
| /* when a physical memory model is choosen */ |
| bool physical_ptrs; |
| |
| /* memory model specified by OpMemoryModel */ |
| unsigned mem_model; |
| }; |
| |
| nir_ssa_def * |
| vtn_pointer_to_ssa(struct vtn_builder *b, struct vtn_pointer *ptr); |
| struct vtn_pointer * |
| vtn_pointer_from_ssa(struct vtn_builder *b, nir_ssa_def *ssa, |
| struct vtn_type *ptr_type); |
| |
| static inline struct vtn_value * |
| vtn_untyped_value(struct vtn_builder *b, uint32_t value_id) |
| { |
| vtn_fail_if(value_id >= b->value_id_bound, |
| "SPIR-V id %u is out-of-bounds", value_id); |
| return &b->values[value_id]; |
| } |
| |
| /* Consider not using this function directly and instead use |
| * vtn_push_ssa/vtn_push_pointer so that appropriate applying of |
| * decorations is handled by common code. |
| */ |
| static inline struct vtn_value * |
| vtn_push_value(struct vtn_builder *b, uint32_t value_id, |
| enum vtn_value_type value_type) |
| { |
| struct vtn_value *val = vtn_untyped_value(b, value_id); |
| |
| vtn_fail_if(value_type == vtn_value_type_ssa, |
| "Do not call vtn_push_value for value_type_ssa. Use " |
| "vtn_push_ssa_value instead."); |
| |
| vtn_fail_if(val->value_type != vtn_value_type_invalid, |
| "SPIR-V id %u has already been written by another instruction", |
| value_id); |
| |
| val->value_type = value_type; |
| |
| return &b->values[value_id]; |
| } |
| |
| static inline struct vtn_value * |
| vtn_value(struct vtn_builder *b, uint32_t value_id, |
| enum vtn_value_type value_type) |
| { |
| struct vtn_value *val = vtn_untyped_value(b, value_id); |
| vtn_fail_if(val->value_type != value_type, |
| "SPIR-V id %u is the wrong kind of value", value_id); |
| return val; |
| } |
| |
| bool |
| vtn_set_instruction_result_type(struct vtn_builder *b, SpvOp opcode, |
| const uint32_t *w, unsigned count); |
| |
| static inline uint64_t |
| vtn_constant_uint(struct vtn_builder *b, uint32_t value_id) |
| { |
| struct vtn_value *val = vtn_value(b, value_id, vtn_value_type_constant); |
| |
| vtn_fail_if(val->type->base_type != vtn_base_type_scalar || |
| !glsl_type_is_integer(val->type->type), |
| "Expected id %u to be an integer constant", value_id); |
| |
| switch (glsl_get_bit_size(val->type->type)) { |
| case 8: return val->constant->values[0].u8; |
| case 16: return val->constant->values[0].u16; |
| case 32: return val->constant->values[0].u32; |
| case 64: return val->constant->values[0].u64; |
| default: unreachable("Invalid bit size"); |
| } |
| } |
| |
| static inline int64_t |
| vtn_constant_int(struct vtn_builder *b, uint32_t value_id) |
| { |
| struct vtn_value *val = vtn_value(b, value_id, vtn_value_type_constant); |
| |
| vtn_fail_if(val->type->base_type != vtn_base_type_scalar || |
| !glsl_type_is_integer(val->type->type), |
| "Expected id %u to be an integer constant", value_id); |
| |
| switch (glsl_get_bit_size(val->type->type)) { |
| case 8: return val->constant->values[0].i8; |
| case 16: return val->constant->values[0].i16; |
| case 32: return val->constant->values[0].i32; |
| case 64: return val->constant->values[0].i64; |
| default: unreachable("Invalid bit size"); |
| } |
| } |
| |
| static inline struct vtn_type * |
| vtn_get_value_type(struct vtn_builder *b, uint32_t value_id) |
| { |
| struct vtn_value *val = vtn_untyped_value(b, value_id); |
| vtn_fail_if(val->type == NULL, "Value %u does not have a type", value_id); |
| return val->type; |
| } |
| |
| static inline struct vtn_type * |
| vtn_get_type(struct vtn_builder *b, uint32_t value_id) |
| { |
| return vtn_value(b, value_id, vtn_value_type_type)->type; |
| } |
| |
| struct vtn_ssa_value *vtn_ssa_value(struct vtn_builder *b, uint32_t value_id); |
| struct vtn_value *vtn_push_ssa_value(struct vtn_builder *b, uint32_t value_id, |
| struct vtn_ssa_value *ssa); |
| |
| nir_ssa_def *vtn_get_nir_ssa(struct vtn_builder *b, uint32_t value_id); |
| struct vtn_value *vtn_push_nir_ssa(struct vtn_builder *b, uint32_t value_id, |
| nir_ssa_def *def); |
| |
| struct vtn_value *vtn_push_pointer(struct vtn_builder *b, |
| uint32_t value_id, |
| struct vtn_pointer *ptr); |
| |
| struct vtn_sampled_image { |
| nir_deref_instr *image; |
| nir_deref_instr *sampler; |
| }; |
| |
| nir_ssa_def *vtn_sampled_image_to_nir_ssa(struct vtn_builder *b, |
| struct vtn_sampled_image si); |
| |
| void |
| vtn_copy_value(struct vtn_builder *b, uint32_t src_value_id, |
| uint32_t dst_value_id); |
| |
| struct vtn_ssa_value *vtn_create_ssa_value(struct vtn_builder *b, |
| const struct glsl_type *type); |
| |
| struct vtn_ssa_value *vtn_ssa_transpose(struct vtn_builder *b, |
| struct vtn_ssa_value *src); |
| |
| nir_deref_instr *vtn_nir_deref(struct vtn_builder *b, uint32_t id); |
| |
| nir_deref_instr *vtn_pointer_to_deref(struct vtn_builder *b, |
| struct vtn_pointer *ptr); |
| nir_ssa_def * |
| vtn_pointer_to_offset(struct vtn_builder *b, struct vtn_pointer *ptr, |
| nir_ssa_def **index_out); |
| |
| struct vtn_ssa_value * |
| vtn_local_load(struct vtn_builder *b, nir_deref_instr *src, |
| enum gl_access_qualifier access); |
| |
| void vtn_local_store(struct vtn_builder *b, struct vtn_ssa_value *src, |
| nir_deref_instr *dest, |
| enum gl_access_qualifier access); |
| |
| struct vtn_ssa_value * |
| vtn_variable_load(struct vtn_builder *b, struct vtn_pointer *src); |
| |
| void vtn_variable_store(struct vtn_builder *b, struct vtn_ssa_value *src, |
| struct vtn_pointer *dest); |
| |
| void vtn_handle_variables(struct vtn_builder *b, SpvOp opcode, |
| const uint32_t *w, unsigned count); |
| |
| |
| typedef void (*vtn_decoration_foreach_cb)(struct vtn_builder *, |
| struct vtn_value *, |
| int member, |
| const struct vtn_decoration *, |
| void *); |
| |
| void vtn_foreach_decoration(struct vtn_builder *b, struct vtn_value *value, |
| vtn_decoration_foreach_cb cb, void *data); |
| |
| typedef void (*vtn_execution_mode_foreach_cb)(struct vtn_builder *, |
| struct vtn_value *, |
| const struct vtn_decoration *, |
| void *); |
| |
| void vtn_foreach_execution_mode(struct vtn_builder *b, struct vtn_value *value, |
| vtn_execution_mode_foreach_cb cb, void *data); |
| |
| nir_op vtn_nir_alu_op_for_spirv_opcode(struct vtn_builder *b, |
| SpvOp opcode, bool *swap, |
| unsigned src_bit_size, unsigned dst_bit_size); |
| |
| void vtn_handle_alu(struct vtn_builder *b, SpvOp opcode, |
| const uint32_t *w, unsigned count); |
| |
| void vtn_handle_bitcast(struct vtn_builder *b, const uint32_t *w, |
| unsigned count); |
| |
| void vtn_handle_subgroup(struct vtn_builder *b, SpvOp opcode, |
| const uint32_t *w, unsigned count); |
| |
| bool vtn_handle_glsl450_instruction(struct vtn_builder *b, SpvOp ext_opcode, |
| const uint32_t *words, unsigned count); |
| |
| bool vtn_handle_opencl_instruction(struct vtn_builder *b, SpvOp ext_opcode, |
| const uint32_t *words, unsigned count); |
| |
| struct vtn_builder* vtn_create_builder(const uint32_t *words, size_t word_count, |
| gl_shader_stage stage, const char *entry_point_name, |
| const struct spirv_to_nir_options *options); |
| |
| void vtn_handle_entry_point(struct vtn_builder *b, const uint32_t *w, |
| unsigned count); |
| |
| void vtn_handle_decoration(struct vtn_builder *b, SpvOp opcode, |
| const uint32_t *w, unsigned count); |
| |
| enum vtn_variable_mode vtn_storage_class_to_mode(struct vtn_builder *b, |
| SpvStorageClass class, |
| struct vtn_type *interface_type, |
| nir_variable_mode *nir_mode_out); |
| |
| nir_address_format vtn_mode_to_address_format(struct vtn_builder *b, |
| enum vtn_variable_mode); |
| |
| static inline uint32_t |
| vtn_align_u32(uint32_t v, uint32_t a) |
| { |
| assert(a != 0 && a == (a & -((int32_t) a))); |
| return (v + a - 1) & ~(a - 1); |
| } |
| |
| static inline uint64_t |
| vtn_u64_literal(const uint32_t *w) |
| { |
| return (uint64_t)w[1] << 32 | w[0]; |
| } |
| |
| bool vtn_handle_amd_gcn_shader_instruction(struct vtn_builder *b, SpvOp ext_opcode, |
| const uint32_t *words, unsigned count); |
| |
| bool vtn_handle_amd_shader_ballot_instruction(struct vtn_builder *b, SpvOp ext_opcode, |
| const uint32_t *w, unsigned count); |
| |
| bool vtn_handle_amd_shader_trinary_minmax_instruction(struct vtn_builder *b, SpvOp ext_opcode, |
| const uint32_t *words, unsigned count); |
| |
| bool vtn_handle_amd_shader_explicit_vertex_parameter_instruction(struct vtn_builder *b, |
| SpvOp ext_opcode, |
| const uint32_t *words, |
| unsigned count); |
| |
| SpvMemorySemanticsMask vtn_storage_class_to_memory_semantics(SpvStorageClass sc); |
| |
| void vtn_emit_memory_barrier(struct vtn_builder *b, SpvScope scope, |
| SpvMemorySemanticsMask semantics); |
| |
| #endif /* _VTN_PRIVATE_H_ */ |
