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,
};
*/
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 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;
/** 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_ssa_value *transposed;
const struct glsl_type *type;
-
- /* Access qualifiers */
- enum gl_access_qualifier access;
};
enum vtn_base_type {
/* 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;
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_constant,
vtn_variable_mode_input,
vtn_variable_mode_output,
vtn_variable_mode_image,
*/
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
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;
nir_ssa_def *lod;
};
-struct vtn_sampled_image {
- struct vtn_pointer *image; /* Image or array of images */
- struct vtn_pointer *sampler; /* Sampler */
-};
-
struct vtn_value {
enum vtn_value_type value_type;
const char *name;
struct vtn_decoration *decoration;
struct vtn_type *type;
union {
- void *ptr;
- char *str;
+ const 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;
* automatically by vtn_foreach_instruction.
*/
size_t spirv_offset;
- char *file;
+ const char *file;
int line, col;
/*
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;
/* when a physical memory model is choosen */
bool physical_ptrs;
+
+ /* memory model specified by OpMemoryModel */
+ unsigned mem_model;
};
nir_ssa_def *
}
/* Consider not using this function directly and instead use
- * vtn_push_ssa/vtn_push_value_pointer so that appropriate applying of
+ * vtn_push_ssa/vtn_push_pointer so that appropriate applying of
* decorations is handled by common code.
*/
static inline struct vtn_value *
{
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);
}
}
-static inline enum gl_access_qualifier vtn_value_access(struct vtn_value *value)
+static inline struct vtn_type *
+vtn_get_value_type(struct vtn_builder *b, uint32_t value_id)
{
- switch (value->value_type) {
- case vtn_value_type_invalid:
- case vtn_value_type_undef:
- case vtn_value_type_string:
- case vtn_value_type_decoration_group:
- case vtn_value_type_constant:
- case vtn_value_type_function:
- case vtn_value_type_block:
- case vtn_value_type_extension:
- return 0;
- case vtn_value_type_type:
- return value->type->access;
- case vtn_value_type_pointer:
- return value->pointer->access;
- case vtn_value_type_ssa:
- return value->ssa->access;
- case vtn_value_type_image_pointer:
- return value->image->image->access;
- case vtn_value_type_sampled_image:
- return value->sampled_image->image->access |
- value->sampled_image->sampler->access;
- }
+ 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;
+}
- unreachable("invalid 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_value *vtn_push_value_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;
+};
-struct vtn_value *vtn_push_ssa(struct vtn_builder *b, uint32_t value_id,
- struct vtn_type *type, struct vtn_ssa_value *ssa);
+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);
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 *
enum gl_access_qualifier access);
struct vtn_ssa_value *
-vtn_variable_load(struct vtn_builder *b, struct vtn_pointer *src);
+vtn_variable_load(struct vtn_builder *b, struct vtn_pointer *src,
+ enum gl_access_qualifier access);
void vtn_variable_store(struct vtn_builder *b, struct vtn_ssa_value *src,
- struct vtn_pointer *dest);
+ struct vtn_pointer *dest, enum gl_access_qualifier access);
void vtn_handle_variables(struct vtn_builder *b, SpvOp opcode,
const uint32_t *w, unsigned count);
const uint32_t *words,
unsigned count);
-SpvMemorySemanticsMask vtn_storage_class_to_memory_semantics(SpvStorageClass sc);
+SpvMemorySemanticsMask vtn_mode_to_memory_semantics(enum vtn_variable_mode mode);
void vtn_emit_memory_barrier(struct vtn_builder *b, SpvScope scope,
SpvMemorySemanticsMask semantics);