vtn_value_type_ssa,
vtn_value_type_extension,
vtn_value_type_image_pointer,
- vtn_value_type_sampled_image,
};
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,
};
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 list_head cont_body;
+ struct vtn_block *header_block;
+ struct vtn_block *cont_block;
+ struct vtn_block *break_block;
+
SpvLoopControlMask control;
};
enum vtn_branch_type else_type;
struct list_head else_body;
+ struct vtn_block *merge_block;
+
SpvSelectionControlMask control;
};
struct vtn_case {
- struct list_head link;
+ struct vtn_cf_node node;
- struct list_head body;
+ struct vtn_block *block;
- /* The block that starts this case */
- struct vtn_block *start_block;
+ enum vtn_branch_type type;
+ struct list_head body;
/* The fallthrough case, if any */
struct vtn_case *fallthrough;
uint32_t selector;
struct list_head cases;
+
+ struct vtn_block *break_block;
};
struct vtn_block {
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;
};
struct vtn_function {
- struct exec_node node;
+ struct vtn_cf_node node;
struct vtn_type *type;
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);
/* Members for image types */
struct {
- /* For images, indicates whether it's sampled or storage */
- bool sampled;
+ /* 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;
*/
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
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,
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 {
- struct vtn_pointer *image;
+ nir_deref_instr *image;
nir_ssa_def *coord;
nir_ssa_def *sample;
-};
-
-struct vtn_sampled_image {
- struct vtn_type *type;
- struct vtn_pointer *image; /* Image or array of images */
- struct vtn_pointer *sampler; /* Sampler */
+ nir_ssa_def *lod;
};
struct vtn_value {
struct vtn_decoration *decoration;
struct vtn_type *type;
union {
- void *ptr;
char *str;
nir_constant *constant;
struct vtn_pointer *pointer;
struct vtn_image_pointer *image;
- struct vtn_sampled_image *sampled_image;
struct vtn_function *func;
struct vtn_block *block;
struct vtn_ssa_value *ssa;
unsigned value_id_bound;
struct vtn_value *values;
- /* True if we should watch out for GLSLang issue #179 */
- bool wa_glslang_179;
+ /* 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;
bool variable_pointers;
struct vtn_function *func;
- struct exec_list functions;
+ struct list_head functions;
/* Current function parameter index */
unsigned func_param_idx;
/* when a physical memory model is choosen */
bool physical_ptrs;
+
+ /* memory model specified by OpMemoryModel */
+ unsigned mem_model;
};
nir_ssa_def *
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_push_ssa(struct vtn_builder *b, uint32_t value_id,
- struct vtn_type *type, struct vtn_ssa_value *ssa)
-{
- struct vtn_value *val;
- if (type->base_type == vtn_base_type_pointer) {
- val = vtn_push_value(b, value_id, vtn_value_type_pointer);
- val->pointer = vtn_pointer_from_ssa(b, ssa->def, type);
- } else {
- val = vtn_push_value(b, value_id, vtn_value_type_ssa);
- val->ssa = ssa;
- }
- return val;
+ return &b->values[value_id];
}
static inline struct vtn_value *
"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][0].u8;
- case 16: return val->constant->values[0][0].u16;
- case 32: return val->constant->values[0][0].u32;
- case 64: return val->constant->values[0][0].u64;
+ 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_ssa_def *vtn_vector_extract(struct vtn_builder *b, nir_ssa_def *src,
- unsigned index);
-nir_ssa_def *vtn_vector_extract_dynamic(struct vtn_builder *b, nir_ssa_def *src,
- nir_ssa_def *index);
-nir_ssa_def *vtn_vector_insert(struct vtn_builder *b, nir_ssa_def *src,
- nir_ssa_def *insert, unsigned index);
-nir_ssa_def *vtn_vector_insert_dynamic(struct vtn_builder *b, nir_ssa_def *src,
- nir_ssa_def *insert, nir_ssa_def *index);
-
nir_deref_instr *vtn_nir_deref(struct vtn_builder *b, uint32_t id);
-struct vtn_pointer *vtn_pointer_for_variable(struct vtn_builder *b,
- struct vtn_variable *var,
- struct vtn_type *ptr_type);
-
nir_deref_instr *vtn_pointer_to_deref(struct vtn_builder *b,
struct vtn_pointer *ptr);
nir_ssa_def *
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, uint32_t ext_opcode,
+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,
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_ */