d3dcompiler: Store derefs as an offset to a variable.

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2020-05-22 15:45:29 -05:00 committed by Alexandre Julliard
parent 1f25c6edf7
commit 323be6c515
3 changed files with 89 additions and 148 deletions

View File

@ -841,30 +841,10 @@ struct hlsl_ir_swizzle
DWORD swizzle;
};
enum hlsl_ir_deref_type
{
HLSL_IR_DEREF_VAR,
HLSL_IR_DEREF_ARRAY,
HLSL_IR_DEREF_RECORD,
};
struct hlsl_deref
{
enum hlsl_ir_deref_type type;
union
{
struct hlsl_ir_var *var;
struct
{
struct hlsl_ir_node *array;
struct hlsl_ir_node *index;
} array;
struct
{
struct hlsl_ir_node *record;
struct hlsl_struct_field *field;
} record;
} v;
struct hlsl_ir_var *var;
struct hlsl_ir_node *offset;
};
struct hlsl_ir_deref

View File

@ -538,8 +538,7 @@ static struct hlsl_ir_assignment *make_simple_assignment(struct hlsl_ir_var *lhs
return NULL;
init_node(&assign->node, HLSL_IR_ASSIGNMENT, rhs->data_type, rhs->loc);
assign->lhs.type = HLSL_IR_DEREF_VAR;
assign->lhs.v.var = lhs;
assign->lhs.var = lhs;
assign->rhs = rhs;
if (type_is_single_reg(lhs->data_type))
assign->writemask = (1 << lhs->data_type->dimx) - 1;
@ -547,6 +546,21 @@ static struct hlsl_ir_assignment *make_simple_assignment(struct hlsl_ir_var *lhs
return assign;
}
static struct hlsl_ir_constant *new_uint_constant(unsigned int n, const struct source_location loc)
{
struct hlsl_type *type;
struct hlsl_ir_constant *c;
if (!(type = new_hlsl_type(d3dcompiler_strdup("uint"), HLSL_CLASS_SCALAR, HLSL_TYPE_UINT, 1, 1)))
return NULL;
if (!(c = d3dcompiler_alloc(sizeof(*c))))
return NULL;
init_node(&c->node, HLSL_IR_CONSTANT, type, loc);
c->v.value.u[0] = n;
return c;
}
static struct hlsl_ir_deref *new_var_deref(struct hlsl_ir_var *var, const struct source_location loc)
{
struct hlsl_ir_deref *deref = d3dcompiler_alloc(sizeof(*deref));
@ -557,61 +571,75 @@ static struct hlsl_ir_deref *new_var_deref(struct hlsl_ir_var *var, const struct
return NULL;
}
init_node(&deref->node, HLSL_IR_DEREF, var->data_type, loc);
deref->src.type = HLSL_IR_DEREF_VAR;
deref->src.v.var = var;
deref->src.var = var;
return deref;
}
static struct hlsl_ir_node *get_var_deref(struct hlsl_ir_node *node)
static struct hlsl_ir_deref *new_deref(struct hlsl_ir_node *var_node, struct hlsl_ir_node *offset,
struct hlsl_type *data_type, const struct source_location loc)
{
struct hlsl_ir_assignment *assign;
struct hlsl_ir_node *add = NULL;
struct hlsl_ir_deref *deref;
struct hlsl_ir_var *var;
char name[27];
if (node->type == HLSL_IR_DEREF)
return node;
if (var_node->type == HLSL_IR_DEREF)
{
const struct hlsl_deref *src = &deref_from_node(var_node)->src;
sprintf(name, "<deref-%p>", node);
if (!(var = new_synthetic_var(name, node->data_type, node->loc)))
return NULL;
var = src->var;
if (src->offset)
{
if (!(add = new_binary_expr(HLSL_IR_BINOP_ADD, src->offset, offset, loc)))
return NULL;
list_add_after(&offset->entry, &add->entry);
offset = add;
}
}
else
{
struct hlsl_ir_assignment *assign;
char name[27];
TRACE("Synthesized variable %p for %s node.\n", var, debug_node_type(node->type));
sprintf(name, "<deref-%p>", var_node);
if (!(var = new_synthetic_var(name, var_node->data_type, var_node->loc)))
return NULL;
if (!(assign = make_simple_assignment(var, node)))
return NULL;
list_add_after(&node->entry, &assign->node.entry);
TRACE("Synthesized variable %p for %s node.\n", var, debug_node_type(var_node->type));
if (!(deref = new_var_deref(var, var->loc)))
return NULL;
list_add_after(&assign->node.entry, &deref->node.entry);
return &deref->node;
}
if (!(assign = make_simple_assignment(var, var_node)))
return NULL;
static struct hlsl_ir_deref *new_record_deref(struct hlsl_ir_node *record,
struct hlsl_struct_field *field, const struct source_location loc)
{
struct hlsl_ir_deref *deref;
if (!(record = get_var_deref(record)))
return NULL;
list_add_after(&var_node->entry, &assign->node.entry);
}
if (!(deref = d3dcompiler_alloc(sizeof(*deref))))
return NULL;
init_node(&deref->node, HLSL_IR_DEREF, field->type, loc);
deref->src.type = HLSL_IR_DEREF_RECORD;
deref->src.v.record.record = record;
deref->src.v.record.field = field;
init_node(&deref->node, HLSL_IR_DEREF, data_type, loc);
deref->src.var = var;
deref->src.offset = offset;
list_add_after(&offset->entry, &deref->node.entry);
return deref;
}
static struct hlsl_ir_deref *new_record_deref(struct hlsl_ir_node *record,
const struct hlsl_struct_field *field, const struct source_location loc)
{
struct hlsl_ir_constant *c;
if (!(c = new_uint_constant(field->reg_offset * 4, loc)))
return NULL;
list_add_after(&record->entry, &c->node.entry);
return new_deref(record, &c->node, field->type, loc);
}
static struct hlsl_ir_deref *new_array_deref(struct hlsl_ir_node *array,
struct hlsl_ir_node *index, const struct source_location loc)
{
const struct hlsl_type *expr_type = array->data_type;
struct hlsl_ir_deref *deref;
struct hlsl_type *data_type;
struct hlsl_ir_constant *c;
struct hlsl_ir_node *mul;
TRACE("Array dereference from type %s.\n", debug_hlsl_type(expr_type));
@ -621,6 +649,7 @@ static struct hlsl_ir_deref *new_array_deref(struct hlsl_ir_node *array,
}
else if (expr_type->type == HLSL_CLASS_MATRIX || expr_type->type == HLSL_CLASS_VECTOR)
{
/* This needs to be lowered now, while we still have type information. */
FIXME("Index of matrix or vector type.\n");
return NULL;
}
@ -633,17 +662,15 @@ static struct hlsl_ir_deref *new_array_deref(struct hlsl_ir_node *array,
return NULL;
}
if (!(array = get_var_deref(array)))
if (!(c = new_uint_constant(data_type->reg_size * 4, loc)))
return NULL;
if (!(deref = d3dcompiler_alloc(sizeof(*deref))))
list_add_after(&index->entry, &c->node.entry);
if (!(mul = new_binary_expr(HLSL_IR_BINOP_MUL, index, &c->node, loc)))
return NULL;
list_add_after(&c->node.entry, &mul->entry);
index = mul;
init_node(&deref->node, HLSL_IR_DEREF, data_type, loc);
deref->src.type = HLSL_IR_DEREF_ARRAY;
deref->src.v.array.array = array;
deref->src.v.array.index = index;
return deref;
return new_deref(array, index, data_type, loc);
}
static void struct_var_initializer(struct list *list, struct hlsl_ir_var *var,
@ -2748,22 +2775,6 @@ static unsigned int index_instructions(struct list *instrs, unsigned int index)
return index;
}
/* Walk the chain of derefs and retrieve the actual variable we care about. */
static struct hlsl_ir_var *hlsl_var_from_deref(const struct hlsl_deref *deref)
{
switch (deref->type)
{
case HLSL_IR_DEREF_VAR:
return deref->v.var;
case HLSL_IR_DEREF_ARRAY:
return hlsl_var_from_deref(&deref_from_node(deref->v.array.array)->src);
case HLSL_IR_DEREF_RECORD:
return hlsl_var_from_deref(&deref_from_node(deref->v.record.record)->src);
}
assert(0);
return NULL;
}
/* Compute the earliest and latest liveness for each variable. In the case that
* a variable is accessed inside of a loop, we promote its liveness to extend
* to at least the range of the entire loop. Note that we don't need to do this
@ -2781,10 +2792,12 @@ static void compute_liveness_recurse(struct list *instrs, unsigned int loop_firs
case HLSL_IR_ASSIGNMENT:
{
struct hlsl_ir_assignment *assignment = assignment_from_node(instr);
var = hlsl_var_from_deref(&assignment->lhs);
var = assignment->lhs.var;
if (!var->first_write)
var->first_write = loop_first ? min(instr->index, loop_first) : instr->index;
assignment->rhs->last_read = instr->index;
if (assignment->lhs.offset)
assignment->lhs.offset->last_read = instr->index;
break;
}
case HLSL_IR_CONSTANT:
@ -2800,10 +2813,10 @@ static void compute_liveness_recurse(struct list *instrs, unsigned int loop_firs
case HLSL_IR_DEREF:
{
struct hlsl_ir_deref *deref = deref_from_node(instr);
var = hlsl_var_from_deref(&deref->src);
var = deref->src.var;
var->last_read = loop_last ? max(instr->index, loop_last) : instr->index;
if (deref->src.type == HLSL_IR_DEREF_ARRAY)
deref->src.v.array.index->last_read = instr->index;
if (deref->src.offset)
deref->src.offset->last_read = instr->index;
break;
}
case HLSL_IR_EXPR:

View File

@ -1437,29 +1437,6 @@ static unsigned int invert_swizzle(unsigned int *swizzle, unsigned int writemask
return new_writemask;
}
static BOOL validate_lhs_deref(const struct hlsl_ir_node *lhs)
{
struct hlsl_ir_deref *deref;
if (lhs->type != HLSL_IR_DEREF)
{
hlsl_report_message(lhs->loc, HLSL_LEVEL_ERROR, "invalid lvalue");
return FALSE;
}
deref = deref_from_node(lhs);
if (deref->src.type == HLSL_IR_DEREF_VAR)
return TRUE;
if (deref->src.type == HLSL_IR_DEREF_ARRAY)
return validate_lhs_deref(deref->src.v.array.array);
if (deref->src.type == HLSL_IR_DEREF_RECORD)
return validate_lhs_deref(deref->src.v.record.record);
assert(0);
return FALSE;
}
struct hlsl_ir_node *make_assignment(struct hlsl_ir_node *lhs, enum parse_assign_op assign_op,
struct hlsl_ir_node *rhs)
{
@ -1513,12 +1490,6 @@ struct hlsl_ir_node *make_assignment(struct hlsl_ir_node *lhs, enum parse_assign
lhs = lhs_inner;
}
if (!validate_lhs_deref(lhs))
{
d3dcompiler_free(assign);
return NULL;
}
TRACE("Creating proper assignment expression.\n");
if (writemask == BWRITERSP_WRITEMASK_ALL)
type = lhs->data_type;
@ -1562,26 +1533,12 @@ struct hlsl_ir_node *make_assignment(struct hlsl_ir_node *lhs, enum parse_assign
enum hlsl_ir_expr_op op = op_from_assignment(assign_op);
struct hlsl_ir_node *expr;
if (assign->lhs.type != HLSL_IR_DEREF_VAR)
{
FIXME("LHS expression not supported in compound assignments yet.\n");
assign->rhs = rhs;
}
else
{
TRACE("Adding an expression for the compound assignment.\n");
expr = new_binary_expr(op, lhs, rhs, lhs->loc);
list_add_after(&rhs->entry, &expr->entry);
assign->rhs = expr;
}
}
else
{
list_remove(&lhs->entry);
/* Don't recursively free the deref; we just copied its members. */
d3dcompiler_free(lhs);
assign->rhs = rhs;
TRACE("Adding an expression for the compound assignment.\n");
expr = new_binary_expr(op, lhs, rhs, lhs->loc);
list_add_after(&rhs->entry, &expr->entry);
rhs = expr;
}
assign->rhs = rhs;
return &assign->node;
}
@ -1879,23 +1836,14 @@ static void debug_dump_ir_var(const struct hlsl_ir_var *var)
static void debug_dump_deref(const struct hlsl_deref *deref)
{
switch (deref->type)
wine_dbg_printf("deref(");
debug_dump_ir_var(deref->var);
wine_dbg_printf(")");
if (deref->offset)
{
case HLSL_IR_DEREF_VAR:
wine_dbg_printf("deref(");
debug_dump_ir_var(deref->v.var);
wine_dbg_printf(")");
break;
case HLSL_IR_DEREF_ARRAY:
debug_dump_src(deref->v.array.array);
wine_dbg_printf("[");
debug_dump_src(deref->v.array.index);
wine_dbg_printf("]");
break;
case HLSL_IR_DEREF_RECORD:
debug_dump_src(deref->v.record.record);
wine_dbg_printf(".%s", debugstr_a(deref->v.record.field->name));
break;
wine_dbg_printf("[");
debug_dump_src(deref->offset);
wine_dbg_printf("]");
}
}