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/*
* HLSL parser
*
* Copyright 2008 Stefan Dösinger
* Copyright 2012 Matteo Bruni for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
%{
#include "wine/debug.h"
#include <limits.h>
#include <stdio.h>
#include "d3dcompiler_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(hlsl_parser);
int hlsl_lex(void);
struct hlsl_parse_ctx hlsl_ctx;
struct YYLTYPE;
static struct source_location get_location(const struct YYLTYPE *l);
void WINAPIV hlsl_message(const char *fmt, ...)
{
__ms_va_list args;
__ms_va_start(args, fmt);
compilation_message(&hlsl_ctx.messages, fmt, args);
__ms_va_end(args);
}
static const char *hlsl_get_error_level_name(enum hlsl_error_level level)
{
static const char * const names[] =
{
"error",
"warning",
"note",
};
return names[level];
}
void WINAPIV hlsl_report_message(const struct source_location loc,
enum hlsl_error_level level, const char *fmt, ...)
{
__ms_va_list args;
char *string = NULL;
int rc, size = 0;
while (1)
{
__ms_va_start(args, fmt);
rc = vsnprintf(string, size, fmt, args);
__ms_va_end(args);
if (rc >= 0 && rc < size)
break;
if (rc >= size)
size = rc + 1;
else
size = size ? size * 2 : 32;
if (!string)
string = d3dcompiler_alloc(size);
else
string = d3dcompiler_realloc(string, size);
if (!string)
{
ERR("Error reallocating memory for a string.\n");
return;
}
}
hlsl_message("%s:%u:%u: %s: %s\n", loc.file, loc.line, loc.col,
hlsl_get_error_level_name(level), string);
d3dcompiler_free(string);
if (level == HLSL_LEVEL_ERROR)
set_parse_status(&hlsl_ctx.status, PARSE_ERR);
else if (level == HLSL_LEVEL_WARNING)
set_parse_status(&hlsl_ctx.status, PARSE_WARN);
}
static void hlsl_error(const char *s)
{
const struct source_location loc =
{
.file = hlsl_ctx.source_file,
.line = hlsl_ctx.line_no,
.col = hlsl_ctx.column,
};
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "%s", s);
}
static void debug_dump_decl(struct hlsl_type *type, DWORD modifiers, const char *declname, unsigned int line_no)
{
TRACE("Line %u: ", line_no);
if (modifiers)
TRACE("%s ", debug_modifiers(modifiers));
TRACE("%s %s;\n", debug_hlsl_type(type), declname);
}
static void check_invalid_matrix_modifiers(DWORD modifiers, struct source_location loc)
{
if (modifiers & HLSL_MODIFIERS_MAJORITY_MASK)
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR,
"'row_major' or 'column_major' modifiers are only allowed for matrices");
}
}
static BOOL type_is_single_reg(const struct hlsl_type *type)
{
return type->type == HLSL_CLASS_SCALAR || type->type == HLSL_CLASS_VECTOR;
}
static BOOL declare_variable(struct hlsl_ir_var *decl, BOOL local)
{
BOOL ret;
TRACE("Declaring variable %s.\n", decl->name);
if (decl->data_type->type != HLSL_CLASS_MATRIX)
check_invalid_matrix_modifiers(decl->modifiers, decl->loc);
if (local)
{
DWORD invalid = decl->modifiers & (HLSL_STORAGE_EXTERN | HLSL_STORAGE_SHARED
| HLSL_STORAGE_GROUPSHARED | HLSL_STORAGE_UNIFORM);
if (invalid)
{
hlsl_report_message(decl->loc, HLSL_LEVEL_ERROR,
"modifier '%s' invalid for local variables", debug_modifiers(invalid));
}
if (decl->semantic)
{
hlsl_report_message(decl->loc, HLSL_LEVEL_ERROR,
"semantics are not allowed on local variables");
return FALSE;
}
}
else
{
if (find_function(decl->name))
{
hlsl_report_message(decl->loc, HLSL_LEVEL_ERROR, "redefinition of '%s'", decl->name);
return FALSE;
}
}
ret = add_declaration(hlsl_ctx.cur_scope, decl, local);
if (!ret)
{
struct hlsl_ir_var *old = get_variable(hlsl_ctx.cur_scope, decl->name);
hlsl_report_message(decl->loc, HLSL_LEVEL_ERROR, "\"%s\" already declared", decl->name);
hlsl_report_message(old->loc, HLSL_LEVEL_NOTE, "\"%s\" was previously declared here", old->name);
return FALSE;
}
return TRUE;
}
static DWORD add_modifiers(DWORD modifiers, DWORD mod, const struct source_location loc)
{
if (modifiers & mod)
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "modifier '%s' already specified", debug_modifiers(mod));
return modifiers;
}
if ((mod & HLSL_MODIFIERS_MAJORITY_MASK) && (modifiers & HLSL_MODIFIERS_MAJORITY_MASK))
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "more than one matrix majority keyword");
return modifiers;
}
return modifiers | mod;
}
static BOOL add_type_to_scope(struct hlsl_scope *scope, struct hlsl_type *def)
{
if (get_type(scope, def->name, FALSE))
return FALSE;
wine_rb_put(&scope->types, def->name, &def->scope_entry);
return TRUE;
}
static void declare_predefined_types(struct hlsl_scope *scope)
{
struct hlsl_type *type;
unsigned int x, y, bt;
static const char * const names[] =
{
"float",
"half",
"double",
"int",
"uint",
"bool",
};
char name[10];
static const char *const sampler_names[] =
{
"sampler",
"sampler1D",
"sampler2D",
"sampler3D",
"samplerCUBE"
};
for (bt = 0; bt <= HLSL_TYPE_LAST_SCALAR; ++bt)
{
for (y = 1; y <= 4; ++y)
{
for (x = 1; x <= 4; ++x)
{
sprintf(name, "%s%ux%u", names[bt], y, x);
type = new_hlsl_type(d3dcompiler_strdup(name), HLSL_CLASS_MATRIX, bt, x, y);
add_type_to_scope(scope, type);
if (y == 1)
{
sprintf(name, "%s%u", names[bt], x);
type = new_hlsl_type(d3dcompiler_strdup(name), HLSL_CLASS_VECTOR, bt, x, y);
add_type_to_scope(scope, type);
hlsl_ctx.builtin_types.vector[bt][x - 1] = type;
if (x == 1)
{
sprintf(name, "%s", names[bt]);
type = new_hlsl_type(d3dcompiler_strdup(name), HLSL_CLASS_SCALAR, bt, x, y);
add_type_to_scope(scope, type);
hlsl_ctx.builtin_types.scalar[bt] = type;
}
}
}
}
}
for (bt = 0; bt <= HLSL_SAMPLER_DIM_MAX; ++bt)
{
type = new_hlsl_type(d3dcompiler_strdup(sampler_names[bt]), HLSL_CLASS_OBJECT, HLSL_TYPE_SAMPLER, 1, 1);
type->sampler_dim = bt;
hlsl_ctx.builtin_types.sampler[bt] = type;
}
hlsl_ctx.builtin_types.Void = new_hlsl_type(d3dcompiler_strdup("void"), HLSL_CLASS_OBJECT, HLSL_TYPE_VOID, 1, 1);
/* DX8 effects predefined types */
type = new_hlsl_type(d3dcompiler_strdup("DWORD"), HLSL_CLASS_SCALAR, HLSL_TYPE_INT, 1, 1);
add_type_to_scope(scope, type);
type = new_hlsl_type(d3dcompiler_strdup("FLOAT"), HLSL_CLASS_SCALAR, HLSL_TYPE_FLOAT, 1, 1);
add_type_to_scope(scope, type);
type = new_hlsl_type(d3dcompiler_strdup("VECTOR"), HLSL_CLASS_VECTOR, HLSL_TYPE_FLOAT, 4, 1);
add_type_to_scope(scope, type);
type = new_hlsl_type(d3dcompiler_strdup("MATRIX"), HLSL_CLASS_MATRIX, HLSL_TYPE_FLOAT, 4, 4);
add_type_to_scope(scope, type);
type = new_hlsl_type(d3dcompiler_strdup("STRING"), HLSL_CLASS_OBJECT, HLSL_TYPE_STRING, 1, 1);
add_type_to_scope(scope, type);
type = new_hlsl_type(d3dcompiler_strdup("TEXTURE"), HLSL_CLASS_OBJECT, HLSL_TYPE_TEXTURE, 1, 1);
add_type_to_scope(scope, type);
type = new_hlsl_type(d3dcompiler_strdup("PIXELSHADER"), HLSL_CLASS_OBJECT, HLSL_TYPE_PIXELSHADER, 1, 1);
add_type_to_scope(scope, type);
type = new_hlsl_type(d3dcompiler_strdup("VERTEXSHADER"), HLSL_CLASS_OBJECT, HLSL_TYPE_VERTEXSHADER, 1, 1);
add_type_to_scope(scope, type);
}
static BOOL type_is_void(const struct hlsl_type *type)
{
return type->type == HLSL_CLASS_OBJECT && type->base_type == HLSL_TYPE_VOID;
}
static BOOL append_conditional_break(struct list *cond_list)
{
struct hlsl_ir_node *condition, *not;
struct hlsl_ir_jump *jump;
struct hlsl_ir_if *iff;
/* E.g. "for (i = 0; ; ++i)". */
if (!list_count(cond_list))
return TRUE;
condition = node_from_list(cond_list);
if (!(not = new_unary_expr(HLSL_IR_UNOP_LOGIC_NOT, condition, condition->loc)))
{
ERR("Out of memory.\n");
return FALSE;
}
list_add_tail(cond_list, &not->entry);
if (!(iff = d3dcompiler_alloc(sizeof(*iff))))
{
ERR("Out of memory.\n");
return FALSE;
}
init_node(&iff->node, HLSL_IR_IF, NULL, condition->loc);
iff->condition = not;
list_add_tail(cond_list, &iff->node.entry);
if (!(iff->then_instrs = d3dcompiler_alloc(sizeof(*iff->then_instrs))))
{
ERR("Out of memory.\n");
return FALSE;
}
list_init(iff->then_instrs);
if (!(jump = d3dcompiler_alloc(sizeof(*jump))))
{
ERR("Out of memory.\n");
return FALSE;
}
init_node(&jump->node, HLSL_IR_JUMP, NULL, condition->loc);
jump->type = HLSL_IR_JUMP_BREAK;
list_add_head(iff->then_instrs, &jump->node.entry);
return TRUE;
}
enum loop_type
{
LOOP_FOR,
LOOP_WHILE,
LOOP_DO_WHILE
};
static struct list *create_loop(enum loop_type type, struct list *init, struct list *cond,
struct list *iter, struct list *body, struct source_location loc)
{
struct list *list = NULL;
struct hlsl_ir_loop *loop = NULL;
struct hlsl_ir_if *cond_jump = NULL;
list = d3dcompiler_alloc(sizeof(*list));
if (!list)
goto oom;
list_init(list);
if (init)
list_move_head(list, init);
loop = d3dcompiler_alloc(sizeof(*loop));
if (!loop)
goto oom;
init_node(&loop->node, HLSL_IR_LOOP, NULL, loc);
list_add_tail(list, &loop->node.entry);
loop->body = d3dcompiler_alloc(sizeof(*loop->body));
if (!loop->body)
goto oom;
list_init(loop->body);
if (!append_conditional_break(cond))
goto oom;
if (type != LOOP_DO_WHILE)
list_move_tail(loop->body, cond);
list_move_tail(loop->body, body);
if (iter)
list_move_tail(loop->body, iter);
if (type == LOOP_DO_WHILE)
list_move_tail(loop->body, cond);
d3dcompiler_free(init);
d3dcompiler_free(cond);
d3dcompiler_free(body);
return list;
oom:
ERR("Out of memory.\n");
if (loop)
d3dcompiler_free(loop->body);
d3dcompiler_free(loop);
d3dcompiler_free(cond_jump);
d3dcompiler_free(list);
free_instr_list(init);
free_instr_list(cond);
free_instr_list(iter);
free_instr_list(body);
return NULL;
}
static unsigned int initializer_size(const struct parse_initializer *initializer)
{
unsigned int count = 0, i;
for (i = 0; i < initializer->args_count; ++i)
{
count += components_count_type(initializer->args[i]->data_type);
}
TRACE("Initializer size = %u.\n", count);
return count;
}
static void free_parse_initializer(struct parse_initializer *initializer)
{
free_instr_list(initializer->instrs);
d3dcompiler_free(initializer->args);
}
static struct hlsl_ir_swizzle *new_swizzle(DWORD s, unsigned int components,
struct hlsl_ir_node *val, struct source_location *loc)
{
struct hlsl_ir_swizzle *swizzle = d3dcompiler_alloc(sizeof(*swizzle));
if (!swizzle)
return NULL;
init_node(&swizzle->node, HLSL_IR_SWIZZLE,
new_hlsl_type(NULL, HLSL_CLASS_VECTOR, val->data_type->base_type, components, 1), *loc);
swizzle->val = val;
swizzle->swizzle = s;
return swizzle;
}
static struct hlsl_ir_swizzle *get_swizzle(struct hlsl_ir_node *value, const char *swizzle,
struct source_location *loc)
{
unsigned int len = strlen(swizzle), component = 0;
unsigned int i, set, swiz = 0;
BOOL valid;
if (value->data_type->type == HLSL_CLASS_MATRIX)
{
/* Matrix swizzle */
BOOL m_swizzle;
unsigned int inc, x, y;
if (len < 3 || swizzle[0] != '_')
return NULL;
m_swizzle = swizzle[1] == 'm';
inc = m_swizzle ? 4 : 3;
if (len % inc || len > inc * 4)
return NULL;
for (i = 0; i < len; i += inc)
{
if (swizzle[i] != '_')
return NULL;
if (m_swizzle)
{
if (swizzle[i + 1] != 'm')
return NULL;
y = swizzle[i + 2] - '0';
x = swizzle[i + 3] - '0';
}
else
{
y = swizzle[i + 1] - '1';
x = swizzle[i + 2] - '1';
}
if (x >= value->data_type->dimx || y >= value->data_type->dimy)
return NULL;
swiz |= (y << 4 | x) << component * 8;
component++;
}
return new_swizzle(swiz, component, value, loc);
}
/* Vector swizzle */
if (len > 4)
return NULL;
for (set = 0; set < 2; ++set)
{
valid = TRUE;
component = 0;
for (i = 0; i < len; ++i)
{
char c[2][4] = {{'x', 'y', 'z', 'w'}, {'r', 'g', 'b', 'a'}};
unsigned int s = 0;
for (s = 0; s < 4; ++s)
{
if (swizzle[i] == c[set][s])
break;
}
if (s == 4)
{
valid = FALSE;
break;
}
if (s >= value->data_type->dimx)
return NULL;
swiz |= s << component * 2;
component++;
}
if (valid)
return new_swizzle(swiz, component, value, loc);
}
return NULL;
}
static struct hlsl_ir_var *new_var(const char *name, struct hlsl_type *type, const struct source_location loc,
const char *semantic, unsigned int modifiers, const struct reg_reservation *reg_reservation)
{
struct hlsl_ir_var *var;
if (!(var = d3dcompiler_alloc(sizeof(*var))))
{
hlsl_ctx.status = PARSE_ERR;
return NULL;
}
var->name = name;
var->data_type = type;
var->loc = loc;
var->semantic = semantic;
var->modifiers = modifiers;
var->reg_reservation = reg_reservation;
return var;
}
static struct hlsl_ir_var *new_synthetic_var(const char *name, struct hlsl_type *type,
const struct source_location loc)
{
struct hlsl_ir_var *var = new_var(strdup(name), type, loc, NULL, 0, NULL);
if (var)
list_add_tail(&hlsl_ctx.globals->vars, &var->scope_entry);
return var;
}
static struct hlsl_ir_assignment *new_assignment(struct hlsl_ir_var *var, struct hlsl_ir_node *offset,
struct hlsl_ir_node *rhs, unsigned int writemask, struct source_location loc)
{
struct hlsl_ir_assignment *assign;
if (!writemask && type_is_single_reg(rhs->data_type))
writemask = (1 << rhs->data_type->dimx) - 1;
if (!(assign = d3dcompiler_alloc(sizeof(*assign))))
return NULL;
init_node(&assign->node, HLSL_IR_ASSIGNMENT, NULL, loc);
assign->lhs.var = var;
assign->lhs.offset = offset;
assign->rhs = rhs;
assign->writemask = writemask;
return assign;
}
static struct hlsl_ir_assignment *make_simple_assignment(struct hlsl_ir_var *lhs, struct hlsl_ir_node *rhs)
{
return new_assignment(lhs, NULL, rhs, 0, rhs->loc);
}
static struct hlsl_ir_jump *new_return(struct hlsl_ir_node *return_value, struct source_location loc)
{
struct hlsl_type *return_type = hlsl_ctx.cur_function->return_type;
struct hlsl_ir_jump *jump;
if (return_value)
{
struct hlsl_ir_assignment *assignment;
if (!(return_value = implicit_conversion(return_value, return_type, &loc)))
return NULL;
if (!(assignment = make_simple_assignment(hlsl_ctx.cur_function->return_var, return_value)))
return NULL;
list_add_after(&return_value->entry, &assignment->node.entry);
}
else if (!type_is_void(return_type))
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "non-void function must return a value");
return NULL;
}
if (!(jump = d3dcompiler_alloc(sizeof(*jump))))
{
ERR("Out of memory\n");
return NULL;
}
init_node(&jump->node, HLSL_IR_JUMP, NULL, loc);
jump->type = HLSL_IR_JUMP_RETURN;
return jump;
}
static struct hlsl_ir_constant *new_uint_constant(unsigned int n, const struct source_location loc)
{
struct hlsl_ir_constant *c;
if (!(c = d3dcompiler_alloc(sizeof(*c))))
return NULL;
init_node(&c->node, HLSL_IR_CONSTANT, hlsl_ctx.builtin_types.scalar[HLSL_TYPE_UINT], loc);
c->value.u[0] = n;
return c;
}
static struct hlsl_ir_load *new_var_load(struct hlsl_ir_var *var, const struct source_location loc)
{
struct hlsl_ir_load *load = d3dcompiler_alloc(sizeof(*load));
if (!load)
{
ERR("Out of memory.\n");
return NULL;
}
init_node(&load->node, HLSL_IR_LOAD, var->data_type, loc);
load->src.var = var;
return load;
}
static struct hlsl_ir_load *new_load(struct hlsl_ir_node *var_node, struct hlsl_ir_node *offset,
struct hlsl_type *data_type, const struct source_location loc)
{
struct hlsl_ir_node *add = NULL;
struct hlsl_ir_load *load;
struct hlsl_ir_var *var;
if (var_node->type == HLSL_IR_LOAD)
{
const struct hlsl_deref *src = &load_from_node(var_node)->src;
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];
sprintf(name, "<deref-%p>", var_node);
if (!(var = new_synthetic_var(name, var_node->data_type, var_node->loc)))
return NULL;
TRACE("Synthesized variable %p for %s node.\n", var, debug_node_type(var_node->type));
if (!(assign = make_simple_assignment(var, var_node)))
return NULL;
list_add_after(&var_node->entry, &assign->node.entry);
}
if (!(load = d3dcompiler_alloc(sizeof(*load))))
return NULL;
init_node(&load->node, HLSL_IR_LOAD, data_type, loc);
load->src.var = var;
load->src.offset = offset;
list_add_after(&offset->entry, &load->node.entry);
return load;
}
static struct hlsl_ir_load *new_record_load(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_load(record, &c->node, field->type, loc);
}
static struct hlsl_ir_load *new_array_load(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_type *data_type;
struct hlsl_ir_constant *c;
struct hlsl_ir_node *mul;
TRACE("Array load from type %s.\n", debug_hlsl_type(expr_type));
if (expr_type->type == HLSL_CLASS_ARRAY)
{
data_type = expr_type->e.array.type;
}
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;
}
else
{
if (expr_type->type == HLSL_CLASS_SCALAR)
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "array-indexed expression is scalar");
else
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "expression is not array-indexable");
return NULL;
}
if (!(c = new_uint_constant(data_type->reg_size * 4, loc)))
return NULL;
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;
return new_load(array, index, data_type, loc);
}
static void struct_var_initializer(struct list *list, struct hlsl_ir_var *var,
struct parse_initializer *initializer)
{
struct hlsl_type *type = var->data_type;
struct hlsl_struct_field *field;
unsigned int i = 0;
if (initializer_size(initializer) != components_count_type(type))
{
hlsl_report_message(var->loc, HLSL_LEVEL_ERROR, "structure initializer mismatch");
free_parse_initializer(initializer);
return;
}
list_move_tail(list, initializer->instrs);
d3dcompiler_free(initializer->instrs);
LIST_FOR_EACH_ENTRY(field, type->e.elements, struct hlsl_struct_field, entry)
{
struct hlsl_ir_node *node = initializer->args[i];
struct hlsl_ir_assignment *assign;
struct hlsl_ir_constant *c;
if (i++ >= initializer->args_count)
break;
if (components_count_type(field->type) == components_count_type(node->data_type))
{
if (!(c = new_uint_constant(field->reg_offset * 4, node->loc)))
break;
list_add_tail(list, &c->node.entry);
if (!(assign = new_assignment(var, &c->node, node, 0, node->loc)))
break;
list_add_tail(list, &assign->node.entry);
}
else
FIXME("Initializing with \"mismatched\" fields is not supported yet.\n");
}
d3dcompiler_free(initializer->args);
}
static void free_parse_variable_def(struct parse_variable_def *v)
{
free_parse_initializer(&v->initializer);
d3dcompiler_free(v->name);
d3dcompiler_free((void *)v->semantic);
d3dcompiler_free(v->reg_reservation);
d3dcompiler_free(v);
}
static struct list *declare_vars(struct hlsl_type *basic_type, DWORD modifiers, struct list *var_list)
{
struct hlsl_type *type;
struct parse_variable_def *v, *v_next;
struct hlsl_ir_var *var;
struct hlsl_ir_node *assignment;
BOOL ret, local = TRUE;
struct list *statements_list = d3dcompiler_alloc(sizeof(*statements_list));
if (basic_type->type == HLSL_CLASS_MATRIX)
assert(basic_type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK);
if (!statements_list)
{
ERR("Out of memory.\n");
LIST_FOR_EACH_ENTRY_SAFE(v, v_next, var_list, struct parse_variable_def, entry)
free_parse_variable_def(v);
d3dcompiler_free(var_list);
return NULL;
}
list_init(statements_list);
if (!var_list)
return statements_list;
LIST_FOR_EACH_ENTRY_SAFE(v, v_next, var_list, struct parse_variable_def, entry)
{
if (v->array_size)
type = new_array_type(basic_type, v->array_size);
else
type = basic_type;
if (!(var = new_var(v->name, type, v->loc, v->semantic, modifiers, v->reg_reservation)))
{
free_parse_variable_def(v);
continue;
}
debug_dump_decl(type, modifiers, v->name, v->loc.line);
if (hlsl_ctx.cur_scope == hlsl_ctx.globals)
{
var->modifiers |= HLSL_STORAGE_UNIFORM;
local = FALSE;
}
if (type->modifiers & HLSL_MODIFIER_CONST && !(var->modifiers & HLSL_STORAGE_UNIFORM) && !v->initializer.args_count)
{
hlsl_report_message(v->loc, HLSL_LEVEL_ERROR, "const variable without initializer");
free_declaration(var);
d3dcompiler_free(v);
continue;
}
ret = declare_variable(var, local);
if (!ret)
{
free_declaration(var);
d3dcompiler_free(v);
continue;
}
TRACE("Declared variable %s.\n", var->name);
if (v->initializer.args_count)
{
unsigned int size = initializer_size(&v->initializer);
struct hlsl_ir_load *load;
TRACE("Variable with initializer.\n");
if (type->type <= HLSL_CLASS_LAST_NUMERIC
&& type->dimx * type->dimy != size && size != 1)
{
if (size < type->dimx * type->dimy)
{
hlsl_report_message(v->loc, HLSL_LEVEL_ERROR,
"'%s' initializer does not match", v->name);
free_parse_initializer(&v->initializer);
d3dcompiler_free(v);
continue;
}
}
if ((type->type == HLSL_CLASS_STRUCT || type->type == HLSL_CLASS_ARRAY)
&& components_count_type(type) != size)
{
hlsl_report_message(v->loc, HLSL_LEVEL_ERROR,
"'%s' initializer does not match", v->name);
free_parse_initializer(&v->initializer);
d3dcompiler_free(v);
continue;
}
if (type->type == HLSL_CLASS_STRUCT)
{
struct_var_initializer(statements_list, var, &v->initializer);
d3dcompiler_free(v);
continue;
}
if (type->type > HLSL_CLASS_LAST_NUMERIC)
{
FIXME("Initializers for non scalar/struct variables not supported yet.\n");
free_parse_initializer(&v->initializer);
d3dcompiler_free(v);
continue;
}
if (v->array_size > 0)
{
FIXME("Initializing arrays is not supported yet.\n");
free_parse_initializer(&v->initializer);
d3dcompiler_free(v);
continue;
}
if (v->initializer.args_count > 1)
{
FIXME("Complex initializers are not supported yet.\n");
free_parse_initializer(&v->initializer);
d3dcompiler_free(v);
continue;
}
list_move_tail(statements_list, v->initializer.instrs);
d3dcompiler_free(v->initializer.instrs);
load = new_var_load(var, var->loc);
list_add_tail(statements_list, &load->node.entry);
assignment = make_assignment(&load->node, ASSIGN_OP_ASSIGN, v->initializer.args[0]);
d3dcompiler_free(v->initializer.args);
list_add_tail(statements_list, &assignment->entry);
}
d3dcompiler_free(v);
}
d3dcompiler_free(var_list);
return statements_list;
}
static BOOL add_struct_field(struct list *fields, struct hlsl_struct_field *field)
{
struct hlsl_struct_field *f;
LIST_FOR_EACH_ENTRY(f, fields, struct hlsl_struct_field, entry)
{
if (!strcmp(f->name, field->name))
return FALSE;
}
list_add_tail(fields, &field->entry);
return TRUE;
}
BOOL is_row_major(const struct hlsl_type *type)
{
/* Default to column-major if the majority isn't explicitly set, which can
* happen for anonymous nodes. */
return !!(type->modifiers & HLSL_MODIFIER_ROW_MAJOR);
}
static struct hlsl_type *apply_type_modifiers(struct hlsl_type *type,
unsigned int *modifiers, struct source_location loc)
{
unsigned int default_majority = 0;
struct hlsl_type *new_type;
/* This function is only used for declarations (i.e. variables and struct
* fields), which should inherit the matrix majority. We only explicitly set
* the default majority for declarations—typedefs depend on this—but we
* want to always set it, so that an hlsl_type object is never used to
* represent two different majorities (and thus can be used to store its
* register size, etc.) */
if (!(*modifiers & HLSL_MODIFIERS_MAJORITY_MASK)
&& !(type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK)
&& type->type == HLSL_CLASS_MATRIX)
{
if (hlsl_ctx.matrix_majority == HLSL_COLUMN_MAJOR)
default_majority = HLSL_MODIFIER_COLUMN_MAJOR;
else
default_majority = HLSL_MODIFIER_ROW_MAJOR;
}
if (!default_majority && !(*modifiers & HLSL_TYPE_MODIFIERS_MASK))
return type;
if (!(new_type = clone_hlsl_type(type, default_majority)))
return NULL;
new_type->modifiers = add_modifiers(new_type->modifiers, *modifiers, loc);
*modifiers &= ~HLSL_TYPE_MODIFIERS_MASK;
if (new_type->type == HLSL_CLASS_MATRIX)
new_type->reg_size = is_row_major(new_type) ? new_type->dimy : new_type->dimx;
return new_type;
}
static struct list *gen_struct_fields(struct hlsl_type *type, DWORD modifiers, struct list *fields)
{
struct parse_variable_def *v, *v_next;
struct hlsl_struct_field *field;
struct list *list;
if (type->type == HLSL_CLASS_MATRIX)
assert(type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK);
list = d3dcompiler_alloc(sizeof(*list));
if (!list)
{
ERR("Out of memory.\n");
return NULL;
}
list_init(list);
LIST_FOR_EACH_ENTRY_SAFE(v, v_next, fields, struct parse_variable_def, entry)
{
debug_dump_decl(type, 0, v->name, v->loc.line);
field = d3dcompiler_alloc(sizeof(*field));
if (!field)
{
ERR("Out of memory.\n");
d3dcompiler_free(v);
return list;
}
if (v->array_size)
field->type = new_array_type(type, v->array_size);
else
field->type = type;
field->name = v->name;
field->modifiers = modifiers;
field->semantic = v->semantic;
if (v->initializer.args_count)
{
hlsl_report_message(v->loc, HLSL_LEVEL_ERROR, "struct field with an initializer.\n");
free_parse_initializer(&v->initializer);
}
list_add_tail(list, &field->entry);
d3dcompiler_free(v);
}
d3dcompiler_free(fields);
return list;
}
static DWORD get_array_size(const struct hlsl_type *type)
{
if (type->type == HLSL_CLASS_ARRAY)
return get_array_size(type->e.array.type) * type->e.array.elements_count;
return 1;
}
static struct hlsl_type *new_struct_type(const char *name, struct list *fields)
{
struct hlsl_type *type = d3dcompiler_alloc(sizeof(*type));
struct hlsl_struct_field *field;
unsigned int reg_size = 0;
if (!type)
{
ERR("Out of memory.\n");
return NULL;
}
type->type = HLSL_CLASS_STRUCT;
type->base_type = HLSL_TYPE_VOID;
type->name = name;
type->dimx = 0;
type->dimy = 1;
type->e.elements = fields;
LIST_FOR_EACH_ENTRY(field, fields, struct hlsl_struct_field, entry)
{
field->reg_offset = reg_size;
reg_size += field->type->reg_size;
type->dimx += field->type->dimx * field->type->dimy * get_array_size(field->type);
}
type->reg_size = reg_size;
list_add_tail(&hlsl_ctx.types, &type->entry);
return type;
}
static BOOL add_typedef(DWORD modifiers, struct hlsl_type *orig_type, struct list *list)
{
BOOL ret;
struct hlsl_type *type;
struct parse_variable_def *v, *v_next;
LIST_FOR_EACH_ENTRY_SAFE(v, v_next, list, struct parse_variable_def, entry)
{
if (v->array_size)
type = new_array_type(orig_type, v->array_size);
else
type = clone_hlsl_type(orig_type, 0);
if (!type)
{
ERR("Out of memory\n");
return FALSE;
}
d3dcompiler_free((void *)type->name);
type->name = v->name;
type->modifiers |= modifiers;
if (type->type != HLSL_CLASS_MATRIX)
check_invalid_matrix_modifiers(type->modifiers, v->loc);
else
type->reg_size = is_row_major(type) ? type->dimy : type->dimx;
if ((type->modifiers & HLSL_MODIFIER_COLUMN_MAJOR)
&& (type->modifiers & HLSL_MODIFIER_ROW_MAJOR))
hlsl_report_message(v->loc, HLSL_LEVEL_ERROR, "more than one matrix majority keyword");
ret = add_type_to_scope(hlsl_ctx.cur_scope, type);
if (!ret)
{
hlsl_report_message(v->loc, HLSL_LEVEL_ERROR,
"redefinition of custom type '%s'", v->name);
}
d3dcompiler_free(v);
}
d3dcompiler_free(list);
return TRUE;
}
static BOOL add_func_parameter(struct list *list, struct parse_parameter *param, const struct source_location loc)
{
struct hlsl_ir_var *var;
if (param->type->type == HLSL_CLASS_MATRIX)
assert(param->type->modifiers & HLSL_MODIFIERS_MAJORITY_MASK);
if (!(var = new_var(param->name, param->type, loc, param->semantic, param->modifiers, param->reg_reservation)))
return FALSE;
if (!add_declaration(hlsl_ctx.cur_scope, var, FALSE))
{
free_declaration(var);
return FALSE;
}
list_add_tail(list, &var->param_entry);
return TRUE;
}
static struct reg_reservation *parse_reg_reservation(const char *reg_string)
{
struct reg_reservation *reg_res;
enum bwritershader_param_register_type type;
DWORD regnum = 0;
switch (reg_string[0])
{
case 'c':
type = BWRITERSPR_CONST;
break;
case 'i':
type = BWRITERSPR_CONSTINT;
break;
case 'b':
type = BWRITERSPR_CONSTBOOL;
break;
case 's':
type = BWRITERSPR_SAMPLER;
break;
default:
FIXME("Unsupported register type.\n");
return NULL;
}
if (!sscanf(reg_string + 1, "%u", &regnum))
{
FIXME("Unsupported register reservation syntax.\n");
return NULL;
}
reg_res = d3dcompiler_alloc(sizeof(*reg_res));
if (!reg_res)
{
ERR("Out of memory.\n");
return NULL;
}
reg_res->type = type;
reg_res->regnum = regnum;
return reg_res;
}
static const struct hlsl_ir_function_decl *get_overloaded_func(struct wine_rb_tree *funcs, char *name,
struct list *params, BOOL exact_signature)
{
struct hlsl_ir_function *func;
struct wine_rb_entry *entry;
entry = wine_rb_get(funcs, name);
if (entry)
{
func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry);
entry = wine_rb_get(&func->overloads, params);
if (!entry)
{
if (!exact_signature)
FIXME("No exact match, search for a compatible overloaded function (if any).\n");
return NULL;
}
return WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function_decl, entry);
}
return NULL;
}
static struct hlsl_ir_function_decl *get_func_entry(const char *name)
{
struct hlsl_ir_function_decl *decl;
struct hlsl_ir_function *func;
struct wine_rb_entry *entry;
if ((entry = wine_rb_get(&hlsl_ctx.functions, name)))
{
func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry);
WINE_RB_FOR_EACH_ENTRY(decl, &func->overloads, struct hlsl_ir_function_decl, entry)
return decl;
}
return NULL;
}
static struct list *append_unop(struct list *list, struct hlsl_ir_node *node)
{
list_add_tail(list, &node->entry);
return list;
}
static struct list *append_binop(struct list *first, struct list *second, struct hlsl_ir_node *node)
{
list_move_tail(first, second);
d3dcompiler_free(second);
list_add_tail(first, &node->entry);
return first;
}
static struct list *make_list(struct hlsl_ir_node *node)
{
struct list *list;
if (!(list = d3dcompiler_alloc(sizeof(*list))))
{
ERR("Out of memory.\n");
free_instr(node);
return NULL;
}
list_init(list);
list_add_tail(list, &node->entry);
return list;
}
static unsigned int evaluate_array_dimension(struct hlsl_ir_node *node)
{
if (node->data_type->type != HLSL_CLASS_SCALAR)
return 0;
switch (node->type)
{
case HLSL_IR_CONSTANT:
{
struct hlsl_ir_constant *constant = constant_from_node(node);
switch (constant->node.data_type->base_type)
{
case HLSL_TYPE_UINT:
return constant->value.u[0];
case HLSL_TYPE_INT:
return constant->value.i[0];
case HLSL_TYPE_FLOAT:
return constant->value.f[0];
case HLSL_TYPE_DOUBLE:
return constant->value.d[0];
case HLSL_TYPE_BOOL:
return constant->value.b[0];
default:
WARN("Invalid type %s.\n", debug_base_type(constant->node.data_type));
return 0;
}
}
case HLSL_IR_EXPR:
case HLSL_IR_LOAD:
case HLSL_IR_SWIZZLE:
FIXME("Unhandled type %s.\n", debug_node_type(node->type));
return 0;
case HLSL_IR_ASSIGNMENT:
default:
WARN("Invalid node type %s.\n", debug_node_type(node->type));
return 0;
}
}
static struct hlsl_ir_function_decl *new_func_decl(struct hlsl_type *return_type,
struct list *parameters, const char *semantic, struct source_location loc)
{
struct hlsl_ir_function_decl *decl;
if (!(decl = d3dcompiler_alloc(sizeof(*decl))))
return NULL;
decl->return_type = return_type;
decl->parameters = parameters;
decl->semantic = semantic;
decl->loc = loc;
if (!type_is_void(return_type))
{
struct hlsl_ir_var *return_var;
char name[28];
sprintf(name, "<retval-%p>", decl);
if (!(return_var = new_synthetic_var(name, return_type, loc)))
{
d3dcompiler_free(decl);
return NULL;
}
decl->return_var = return_var;
}
return decl;
}
%}
%locations
%define parse.error verbose
%expect 1
%union
{
struct hlsl_type *type;
INT intval;
FLOAT floatval;
BOOL boolval;
char *name;
DWORD modifiers;
struct hlsl_ir_node *instr;
struct list *list;
struct parse_function function;
struct parse_parameter parameter;
struct parse_initializer initializer;
struct parse_variable_def *variable_def;
struct parse_if_body if_body;
enum parse_unary_op unary_op;
enum parse_assign_op assign_op;
struct reg_reservation *reg_reservation;
struct parse_colon_attribute colon_attribute;
}
%token KW_BLENDSTATE
%token KW_BREAK
%token KW_BUFFER
%token KW_CBUFFER
%token KW_COLUMN_MAJOR
%token KW_COMPILE
%token KW_CONST
%token KW_CONTINUE
%token KW_DEPTHSTENCILSTATE
%token KW_DEPTHSTENCILVIEW
%token KW_DISCARD
%token KW_DO
%token KW_DOUBLE
%token KW_ELSE
%token KW_EXTERN
%token KW_FALSE
%token KW_FOR
%token KW_GEOMETRYSHADER
%token KW_GROUPSHARED
%token KW_IF
%token KW_IN
%token KW_INLINE
%token KW_INOUT
%token KW_MATRIX
%token KW_NAMESPACE
%token KW_NOINTERPOLATION
%token KW_OUT
%token KW_PASS
%token KW_PIXELSHADER
%token KW_PRECISE
%token KW_RASTERIZERSTATE
%token KW_RENDERTARGETVIEW
%token KW_RETURN
%token KW_REGISTER
%token KW_ROW_MAJOR
%token KW_SAMPLER
%token KW_SAMPLER1D
%token KW_SAMPLER2D
%token KW_SAMPLER3D
%token KW_SAMPLERCUBE
%token KW_SAMPLER_STATE
%token KW_SAMPLERCOMPARISONSTATE
%token KW_SHARED
%token KW_STATEBLOCK
%token KW_STATEBLOCK_STATE
%token KW_STATIC
%token KW_STRING
%token KW_STRUCT
%token KW_SWITCH
%token KW_TBUFFER
%token KW_TECHNIQUE
%token KW_TECHNIQUE10
%token KW_TEXTURE
%token KW_TEXTURE1D
%token KW_TEXTURE1DARRAY
%token KW_TEXTURE2D
%token KW_TEXTURE2DARRAY
%token KW_TEXTURE2DMS
%token KW_TEXTURE2DMSARRAY
%token KW_TEXTURE3D
%token KW_TEXTURE3DARRAY
%token KW_TEXTURECUBE
%token KW_TRUE
%token KW_TYPEDEF
%token KW_UNIFORM
%token KW_VECTOR
%token KW_VERTEXSHADER
%token KW_VOID
%token KW_VOLATILE
%token KW_WHILE
%token OP_INC
%token OP_DEC
%token OP_AND
%token OP_OR
%token OP_EQ
%token OP_LEFTSHIFT
%token OP_LEFTSHIFTASSIGN
%token OP_RIGHTSHIFT
%token OP_RIGHTSHIFTASSIGN
%token OP_ELLIPSIS
%token OP_LE
%token OP_GE
%token OP_NE
%token OP_ADDASSIGN
%token OP_SUBASSIGN
%token OP_MULASSIGN
%token OP_DIVASSIGN
%token OP_MODASSIGN
%token OP_ANDASSIGN
%token OP_ORASSIGN
%token OP_XORASSIGN
%token OP_UNKNOWN1
%token OP_UNKNOWN2
%token OP_UNKNOWN3
%token OP_UNKNOWN4
%token <intval> PRE_LINE
%token <name> VAR_IDENTIFIER TYPE_IDENTIFIER NEW_IDENTIFIER
%type <name> any_identifier var_identifier
%token <name> STRING
%token <floatval> C_FLOAT
%token <intval> C_INTEGER
%type <boolval> boolean
%type <type> base_type
%type <type> type
%type <list> declaration_statement
%type <list> declaration
%type <list> struct_declaration
%type <type> struct_spec
%type <type> named_struct_spec
%type <type> unnamed_struct_spec
%type <type> field_type
%type <type> typedef_type
%type <list> type_specs
%type <variable_def> type_spec
%type <initializer> complex_initializer
%type <initializer> initializer_expr_list
%type <list> initializer_expr
%type <modifiers> var_modifiers
%type <list> field
%type <list> parameters
%type <list> param_list
%type <list> expr
%type <intval> array
%type <list> statement
%type <list> statement_list
%type <list> compound_statement
%type <list> jump_statement
%type <list> selection_statement
%type <list> loop_statement
%type <function> func_declaration
%type <function> func_prototype
%type <list> fields_list
%type <parameter> parameter
%type <colon_attribute> colon_attribute
%type <name> semantic
%type <reg_reservation> register_opt
%type <variable_def> variable_def
%type <list> variables_def
%type <list> variables_def_optional
%type <if_body> if_body
%type <list> primary_expr
%type <list> postfix_expr
%type <list> unary_expr
%type <list> mul_expr
%type <list> add_expr
%type <list> shift_expr
%type <list> relational_expr
%type <list> equality_expr
%type <list> bitand_expr
%type <list> bitxor_expr
%type <list> bitor_expr
%type <list> logicand_expr
%type <list> logicor_expr
%type <list> conditional_expr
%type <list> assignment_expr
%type <list> expr_statement
%type <unary_op> unary_op
%type <assign_op> assign_op
%type <modifiers> input_mods
%type <modifiers> input_mod
%%
hlsl_prog: /* empty */
{
}
| hlsl_prog func_declaration
{
const struct hlsl_ir_function_decl *decl;
decl = get_overloaded_func(&hlsl_ctx.functions, $2.name, $2.decl->parameters, TRUE);
if (decl && !decl->func->intrinsic)
{
if (decl->body && $2.decl->body)
{
hlsl_report_message($2.decl->loc, HLSL_LEVEL_ERROR,
"redefinition of function %s", debugstr_a($2.name));
YYABORT;
}
else if (!compare_hlsl_types(decl->return_type, $2.decl->return_type))
{
hlsl_report_message($2.decl->loc, HLSL_LEVEL_ERROR,
"redefining function %s with a different return type",
debugstr_a($2.name));
hlsl_report_message(decl->loc, HLSL_LEVEL_NOTE,
"%s previously declared here",
debugstr_a($2.name));
YYABORT;
}
}
if (type_is_void($2.decl->return_type) && $2.decl->semantic)
{
hlsl_report_message($2.decl->loc, HLSL_LEVEL_ERROR,
"void function with a semantic");
}
TRACE("Adding function '%s' to the function list.\n", $2.name);
add_function_decl(&hlsl_ctx.functions, $2.name, $2.decl, FALSE);
}
| hlsl_prog declaration_statement
{
TRACE("Declaration statement parsed.\n");
}
| hlsl_prog preproc_directive
{
}
| hlsl_prog ';'
{
TRACE("Skipping stray semicolon.\n");
}
preproc_directive: PRE_LINE STRING
{
const char **new_array = NULL;
TRACE("Updating line information to file %s, line %u\n", debugstr_a($2), $1);
hlsl_ctx.line_no = $1;
if (strcmp($2, hlsl_ctx.source_file))
new_array = d3dcompiler_realloc(hlsl_ctx.source_files,
sizeof(*hlsl_ctx.source_files) * (hlsl_ctx.source_files_count + 1));
if (new_array)
{
hlsl_ctx.source_files = new_array;
hlsl_ctx.source_files[hlsl_ctx.source_files_count++] = $2;
hlsl_ctx.source_file = $2;
}
else
{
d3dcompiler_free($2);
}
}
struct_declaration: var_modifiers struct_spec variables_def_optional ';'
{
struct hlsl_type *type;
DWORD modifiers = $1;
if (!$3)
{
if (!$2->name)
{
hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR,
"anonymous struct declaration with no variables");
}
if (modifiers)
{
hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR,
"modifier not allowed on struct type declaration");
}
}
if (!(type = apply_type_modifiers($2, &modifiers, get_location(&@1))))
YYABORT;
$$ = declare_vars(type, modifiers, $3);
}
struct_spec: named_struct_spec
| unnamed_struct_spec
named_struct_spec: KW_STRUCT any_identifier '{' fields_list '}'
{
BOOL ret;
TRACE("Structure %s declaration.\n", debugstr_a($2));
$$ = new_struct_type($2, $4);
if (get_variable(hlsl_ctx.cur_scope, $2))
{
hlsl_report_message(get_location(&@2),
HLSL_LEVEL_ERROR, "redefinition of '%s'", $2);
YYABORT;
}
ret = add_type_to_scope(hlsl_ctx.cur_scope, $$);
if (!ret)
{
hlsl_report_message(get_location(&@2),
HLSL_LEVEL_ERROR, "redefinition of struct '%s'", $2);
YYABORT;
}
}
unnamed_struct_spec: KW_STRUCT '{' fields_list '}'
{
TRACE("Anonymous structure declaration.\n");
$$ = new_struct_type(NULL, $3);
}
any_identifier: VAR_IDENTIFIER
| TYPE_IDENTIFIER
| NEW_IDENTIFIER
fields_list: /* Empty */
{
$$ = d3dcompiler_alloc(sizeof(*$$));
list_init($$);
}
| fields_list field
{
BOOL ret;
struct hlsl_struct_field *field, *next;
$$ = $1;
LIST_FOR_EACH_ENTRY_SAFE(field, next, $2, struct hlsl_struct_field, entry)
{
ret = add_struct_field($$, field);
if (ret == FALSE)
{
hlsl_report_message(get_location(&@2),
HLSL_LEVEL_ERROR, "redefinition of '%s'", field->name);
d3dcompiler_free(field);
}
}
d3dcompiler_free($2);
}
field_type: type
| unnamed_struct_spec
field: var_modifiers field_type variables_def ';'
{
struct hlsl_type *type;
DWORD modifiers = $1;
if (!(type = apply_type_modifiers($2, &modifiers, get_location(&@1))))
YYABORT;
$$ = gen_struct_fields(type, modifiers, $3);
}
func_declaration: func_prototype compound_statement
{
TRACE("Function %s parsed.\n", $1.name);
$$ = $1;
$$.decl->body = $2;
pop_scope(&hlsl_ctx);
}
| func_prototype ';'
{
TRACE("Function prototype for %s.\n", $1.name);
$$ = $1;
pop_scope(&hlsl_ctx);
}
/* var_modifiers is necessary to avoid shift/reduce conflicts. */
func_prototype: var_modifiers type var_identifier '(' parameters ')' colon_attribute
{
if ($1)
{
hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR,
"unexpected modifiers on a function");
YYABORT;
}
if (get_variable(hlsl_ctx.globals, $3))
{
hlsl_report_message(get_location(&@3),
HLSL_LEVEL_ERROR, "redefinition of '%s'\n", $3);
YYABORT;
}
if (type_is_void($2) && $7.semantic)
{
hlsl_report_message(get_location(&@7),
HLSL_LEVEL_ERROR, "void function with a semantic");
}
if ($7.reg_reservation)
{
FIXME("Unexpected register reservation for a function.\n");
d3dcompiler_free($7.reg_reservation);
}
if (!($$.decl = new_func_decl($2, $5, $7.semantic, get_location(&@3))))
{
ERR("Out of memory.\n");
YYABORT;
}
$$.name = $3;
hlsl_ctx.cur_function = $$.decl;
}
compound_statement: '{' '}'
{
$$ = d3dcompiler_alloc(sizeof(*$$));
list_init($$);
}
| '{' scope_start statement_list '}'
{
pop_scope(&hlsl_ctx);
$$ = $3;
}
scope_start: /* Empty */
{
push_scope(&hlsl_ctx);
}
var_identifier: VAR_IDENTIFIER
| NEW_IDENTIFIER
colon_attribute: /* Empty */
{
$$.semantic = NULL;
$$.reg_reservation = NULL;
}
| semantic
{
$$.semantic = $1;
$$.reg_reservation = NULL;
}
| register_opt
{
$$.semantic = NULL;
$$.reg_reservation = $1;
}
semantic: ':' any_identifier
{
$$ = $2;
}
/* FIXME: Writemasks */
register_opt: ':' KW_REGISTER '(' any_identifier ')'
{
$$ = parse_reg_reservation($4);
d3dcompiler_free($4);
}
| ':' KW_REGISTER '(' any_identifier ',' any_identifier ')'
{
FIXME("Ignoring shader target %s in a register reservation.\n", debugstr_a($4));
d3dcompiler_free($4);
$$ = parse_reg_reservation($6);
d3dcompiler_free($6);
}
parameters: scope_start
{
$$ = d3dcompiler_alloc(sizeof(*$$));
list_init($$);
}
| scope_start param_list
{
$$ = $2;
}
param_list: parameter
{
$$ = d3dcompiler_alloc(sizeof(*$$));
list_init($$);
if (!add_func_parameter($$, &$1, get_location(&@1)))
{
ERR("Error adding function parameter %s.\n", $1.name);
set_parse_status(&hlsl_ctx.status, PARSE_ERR);
YYABORT;
}
}
| param_list ',' parameter
{
$$ = $1;
if (!add_func_parameter($$, &$3, get_location(&@3)))
{
hlsl_report_message(get_location(&@3), HLSL_LEVEL_ERROR,
"duplicate parameter %s", $3.name);
YYABORT;
}
}
parameter: input_mods var_modifiers type any_identifier colon_attribute
{
struct hlsl_type *type;
DWORD modifiers = $2;
if (!(type = apply_type_modifiers($3, &modifiers, get_location(&@2))))
YYABORT;
$$.modifiers = $1 ? $1 : HLSL_STORAGE_IN;
$$.modifiers |= modifiers;
$$.type = type;
$$.name = $4;
$$.semantic = $5.semantic;
$$.reg_reservation = $5.reg_reservation;
}
input_mods: /* Empty */
{
$$ = 0;
}
| input_mods input_mod
{
if ($1 & $2)
{
hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR,
"duplicate input-output modifiers");
YYABORT;
}
$$ = $1 | $2;
}
input_mod: KW_IN
{
$$ = HLSL_STORAGE_IN;
}
| KW_OUT
{
$$ = HLSL_STORAGE_OUT;
}
| KW_INOUT
{
$$ = HLSL_STORAGE_IN | HLSL_STORAGE_OUT;
}
type:
base_type
{
$$ = $1;
}
| KW_VECTOR '<' base_type ',' C_INTEGER '>'
{
if ($3->type != HLSL_CLASS_SCALAR)
{
hlsl_report_message(get_location(&@3), HLSL_LEVEL_ERROR,
"vectors of non-scalar types are not allowed\n");
YYABORT;
}
if ($5 < 1 || $5 > 4)
{
hlsl_report_message(get_location(&@5), HLSL_LEVEL_ERROR,
"vector size must be between 1 and 4\n");
YYABORT;
}
$$ = new_hlsl_type(NULL, HLSL_CLASS_VECTOR, $3->base_type, $5, 1);
}
| KW_MATRIX '<' base_type ',' C_INTEGER ',' C_INTEGER '>'
{
if ($3->type != HLSL_CLASS_SCALAR)
{
hlsl_report_message(get_location(&@3), HLSL_LEVEL_ERROR,
"matrices of non-scalar types are not allowed\n");
YYABORT;
}
if ($5 < 1 || $5 > 4)
{
hlsl_report_message(get_location(&@5), HLSL_LEVEL_ERROR,
"matrix row count must be between 1 and 4\n");
YYABORT;
}
if ($7 < 1 || $7 > 4)
{
hlsl_report_message(get_location(&@7), HLSL_LEVEL_ERROR,
"matrix column count must be between 1 and 4\n");
YYABORT;
}
$$ = new_hlsl_type(NULL, HLSL_CLASS_MATRIX, $3->base_type, $7, $5);
}
base_type:
KW_VOID
{
$$ = hlsl_ctx.builtin_types.Void;
}
| KW_SAMPLER
{
$$ = hlsl_ctx.builtin_types.sampler[HLSL_SAMPLER_DIM_GENERIC];
}
| KW_SAMPLER1D
{
$$ = hlsl_ctx.builtin_types.sampler[HLSL_SAMPLER_DIM_1D];
}
| KW_SAMPLER2D
{
$$ = hlsl_ctx.builtin_types.sampler[HLSL_SAMPLER_DIM_2D];
}
| KW_SAMPLER3D
{
$$ = hlsl_ctx.builtin_types.sampler[HLSL_SAMPLER_DIM_3D];
}
| KW_SAMPLERCUBE
{
$$ = hlsl_ctx.builtin_types.sampler[HLSL_SAMPLER_DIM_3D];
}
| TYPE_IDENTIFIER
{
$$ = get_type(hlsl_ctx.cur_scope, $1, TRUE);
d3dcompiler_free($1);
}
| KW_STRUCT TYPE_IDENTIFIER
{
$$ = get_type(hlsl_ctx.cur_scope, $2, TRUE);
if ($$->type != HLSL_CLASS_STRUCT)
hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR, "'%s' redefined as a structure\n", $2);
d3dcompiler_free($2);
}
declaration_statement: declaration
| struct_declaration
| typedef
{
$$ = d3dcompiler_alloc(sizeof(*$$));
if (!$$)
{
ERR("Out of memory\n");
YYABORT;
}
list_init($$);
}
typedef_type: type
| struct_spec
typedef: KW_TYPEDEF var_modifiers typedef_type type_specs ';'
{
if ($2 & ~HLSL_TYPE_MODIFIERS_MASK)
{
struct parse_variable_def *v, *v_next;
hlsl_report_message(get_location(&@1),
HLSL_LEVEL_ERROR, "modifier not allowed on typedefs");
LIST_FOR_EACH_ENTRY_SAFE(v, v_next, $4, struct parse_variable_def, entry)
d3dcompiler_free(v);
d3dcompiler_free($4);
YYABORT;
}
if (!add_typedef($2, $3, $4))
YYABORT;
}
type_specs: type_spec
{
$$ = d3dcompiler_alloc(sizeof(*$$));
list_init($$);
list_add_head($$, &$1->entry);
}
| type_specs ',' type_spec
{
$$ = $1;
list_add_tail($$, &$3->entry);
}
type_spec: any_identifier array
{
$$ = d3dcompiler_alloc(sizeof(*$$));
$$->loc = get_location(&@1);
$$->name = $1;
$$->array_size = $2;
}
declaration: var_modifiers type variables_def ';'
{
struct hlsl_type *type;
DWORD modifiers = $1;
if (!(type = apply_type_modifiers($2, &modifiers, get_location(&@1))))
YYABORT;
$$ = declare_vars(type, modifiers, $3);
}
variables_def_optional: /* Empty */
{
$$ = NULL;
}
| variables_def
{
$$ = $1;
}
variables_def: variable_def
{
$$ = d3dcompiler_alloc(sizeof(*$$));
list_init($$);
list_add_head($$, &$1->entry);
}
| variables_def ',' variable_def
{
$$ = $1;
list_add_tail($$, &$3->entry);
}
variable_def: any_identifier array colon_attribute
{
$$ = d3dcompiler_alloc(sizeof(*$$));
$$->loc = get_location(&@1);
$$->name = $1;
$$->array_size = $2;
$$->semantic = $3.semantic;
$$->reg_reservation = $3.reg_reservation;
}
| any_identifier array colon_attribute '=' complex_initializer
{
TRACE("Declaration with initializer.\n");
$$ = d3dcompiler_alloc(sizeof(*$$));
$$->loc = get_location(&@1);
$$->name = $1;
$$->array_size = $2;
$$->semantic = $3.semantic;
$$->reg_reservation = $3.reg_reservation;
$$->initializer = $5;
}
array: /* Empty */
{
$$ = 0;
}
| '[' expr ']'
{
unsigned int size = evaluate_array_dimension(node_from_list($2));
free_instr_list($2);
if (!size)
{
hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR,
"array size is not a positive integer constant\n");
YYABORT;
}
TRACE("Array size %u.\n", size);
if (size > 65536)
{
hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR,
"array size must be between 1 and 65536");
YYABORT;
}
$$ = size;
}
var_modifiers: /* Empty */
{
$$ = 0;
}
| KW_EXTERN var_modifiers
{
$$ = add_modifiers($2, HLSL_STORAGE_EXTERN, get_location(&@1));
}
| KW_NOINTERPOLATION var_modifiers
{
$$ = add_modifiers($2, HLSL_STORAGE_NOINTERPOLATION, get_location(&@1));
}
| KW_PRECISE var_modifiers
{
$$ = add_modifiers($2, HLSL_MODIFIER_PRECISE, get_location(&@1));
}
| KW_SHARED var_modifiers
{
$$ = add_modifiers($2, HLSL_STORAGE_SHARED, get_location(&@1));
}
| KW_GROUPSHARED var_modifiers
{
$$ = add_modifiers($2, HLSL_STORAGE_GROUPSHARED, get_location(&@1));
}
| KW_STATIC var_modifiers
{
$$ = add_modifiers($2, HLSL_STORAGE_STATIC, get_location(&@1));
}
| KW_UNIFORM var_modifiers
{
$$ = add_modifiers($2, HLSL_STORAGE_UNIFORM, get_location(&@1));
}
| KW_VOLATILE var_modifiers
{
$$ = add_modifiers($2, HLSL_STORAGE_VOLATILE, get_location(&@1));
}
| KW_CONST var_modifiers
{
$$ = add_modifiers($2, HLSL_MODIFIER_CONST, get_location(&@1));
}
| KW_ROW_MAJOR var_modifiers
{
$$ = add_modifiers($2, HLSL_MODIFIER_ROW_MAJOR, get_location(&@1));
}
| KW_COLUMN_MAJOR var_modifiers
{
$$ = add_modifiers($2, HLSL_MODIFIER_COLUMN_MAJOR, get_location(&@1));
}
complex_initializer: initializer_expr
{
$$.args_count = 1;
if (!($$.args = d3dcompiler_alloc(sizeof(*$$.args))))
YYABORT;
$$.args[0] = node_from_list($1);
$$.instrs = $1;
}
| '{' initializer_expr_list '}'
{
$$ = $2;
}
| '{' initializer_expr_list ',' '}'
{
$$ = $2;
}
initializer_expr: assignment_expr
{
$$ = $1;
}
initializer_expr_list: initializer_expr
{
$$.args_count = 1;
if (!($$.args = d3dcompiler_alloc(sizeof(*$$.args))))
YYABORT;
$$.args[0] = node_from_list($1);
$$.instrs = $1;
}
| initializer_expr_list ',' initializer_expr
{
$$ = $1;
if (!($$.args = d3dcompiler_realloc($$.args, ($$.args_count + 1) * sizeof(*$$.args))))
YYABORT;
$$.args[$$.args_count++] = node_from_list($3);
list_move_tail($$.instrs, $3);
d3dcompiler_free($3);
}
boolean: KW_TRUE
{
$$ = TRUE;
}
| KW_FALSE
{
$$ = FALSE;
}
statement_list: statement
{
$$ = $1;
}
| statement_list statement
{
$$ = $1;
list_move_tail($$, $2);
d3dcompiler_free($2);
}
statement: declaration_statement
| expr_statement
| compound_statement
| jump_statement
| selection_statement
| loop_statement
jump_statement: KW_RETURN expr ';'
{
struct hlsl_ir_jump *jump;
if (!(jump = new_return(node_from_list($2), get_location(&@1))))
YYABORT;
$$ = $2;
list_add_tail($$, &jump->node.entry);
}
| KW_RETURN ';'
{
struct hlsl_ir_jump *jump;
if (!(jump = new_return(NULL, get_location(&@1))))
YYABORT;
$$ = d3dcompiler_alloc(sizeof(*$$));
list_init($$);
list_add_tail($$, &jump->node.entry);
}
selection_statement: KW_IF '(' expr ')' if_body
{
struct hlsl_ir_if *instr = d3dcompiler_alloc(sizeof(*instr));
if (!instr)
{
ERR("Out of memory\n");
YYABORT;
}
init_node(&instr->node, HLSL_IR_IF, NULL, get_location(&@1));
instr->condition = node_from_list($3);
instr->then_instrs = $5.then_instrs;
instr->else_instrs = $5.else_instrs;
if (instr->condition->data_type->dimx > 1 || instr->condition->data_type->dimy > 1)
{
hlsl_report_message(instr->node.loc, HLSL_LEVEL_ERROR,
"if condition requires a scalar");
}
$$ = $3;
list_add_tail($$, &instr->node.entry);
}
if_body: statement
{
$$.then_instrs = $1;
$$.else_instrs = NULL;
}
| statement KW_ELSE statement
{
$$.then_instrs = $1;
$$.else_instrs = $3;
}
loop_statement: KW_WHILE '(' expr ')' statement
{
$$ = create_loop(LOOP_WHILE, NULL, $3, NULL, $5, get_location(&@1));
}
| KW_DO statement KW_WHILE '(' expr ')' ';'
{
$$ = create_loop(LOOP_DO_WHILE, NULL, $5, NULL, $2, get_location(&@1));
}
| KW_FOR '(' scope_start expr_statement expr_statement expr ')' statement
{
$$ = create_loop(LOOP_FOR, $4, $5, $6, $8, get_location(&@1));
pop_scope(&hlsl_ctx);
}
| KW_FOR '(' scope_start declaration expr_statement expr ')' statement
{
if (!$4)
hlsl_report_message(get_location(&@4), HLSL_LEVEL_WARNING,
"no expressions in for loop initializer");
$$ = create_loop(LOOP_FOR, $4, $5, $6, $8, get_location(&@1));
pop_scope(&hlsl_ctx);
}
expr_statement: ';'
{
$$ = d3dcompiler_alloc(sizeof(*$$));
list_init($$);
}
| expr ';'
{
$$ = $1;
}
primary_expr: C_FLOAT
{
struct hlsl_ir_constant *c = d3dcompiler_alloc(sizeof(*c));
if (!c)
{
ERR("Out of memory.\n");
YYABORT;
}
init_node(&c->node, HLSL_IR_CONSTANT,
hlsl_ctx.builtin_types.scalar[HLSL_TYPE_FLOAT], get_location(&@1));
c->value.f[0] = $1;
if (!($$ = make_list(&c->node)))
YYABORT;
}
| C_INTEGER
{
struct hlsl_ir_constant *c = d3dcompiler_alloc(sizeof(*c));
if (!c)
{
ERR("Out of memory.\n");
YYABORT;
}
init_node(&c->node, HLSL_IR_CONSTANT,
hlsl_ctx.builtin_types.scalar[HLSL_TYPE_INT], get_location(&@1));
c->value.i[0] = $1;
if (!($$ = make_list(&c->node)))
YYABORT;
}
| boolean
{
struct hlsl_ir_constant *c = d3dcompiler_alloc(sizeof(*c));
if (!c)
{
ERR("Out of memory.\n");
YYABORT;
}
init_node(&c->node, HLSL_IR_CONSTANT,
hlsl_ctx.builtin_types.scalar[HLSL_TYPE_BOOL], get_location(&@1));
c->value.b[0] = $1;
if (!($$ = make_list(&c->node)))
YYABORT;
}
| VAR_IDENTIFIER
{
struct hlsl_ir_load *load;
struct hlsl_ir_var *var;
if (!(var = get_variable(hlsl_ctx.cur_scope, $1)))
{
hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR,
"variable '%s' is not declared\n", $1);
YYABORT;
}
if ((load = new_var_load(var, get_location(&@1))))
{
if (!($$ = make_list(&load->node)))
YYABORT;
}
else
$$ = NULL;
}
| '(' expr ')'
{
$$ = $2;
}
postfix_expr: primary_expr
{
$$ = $1;
}
| postfix_expr OP_INC
{
struct source_location loc;
struct hlsl_ir_node *inc;
loc = get_location(&@2);
if (node_from_list($1)->data_type->modifiers & HLSL_MODIFIER_CONST)
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "modifying a const expression");
YYABORT;
}
inc = new_unary_expr(HLSL_IR_UNOP_POSTINC, node_from_list($1), loc);
/* Post increment/decrement expressions are considered const */
inc->data_type = clone_hlsl_type(inc->data_type, 0);
inc->data_type->modifiers |= HLSL_MODIFIER_CONST;
$$ = append_unop($1, inc);
}
| postfix_expr OP_DEC
{
struct source_location loc;
struct hlsl_ir_node *inc;
loc = get_location(&@2);
if (node_from_list($1)->data_type->modifiers & HLSL_MODIFIER_CONST)
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "modifying a const expression");
YYABORT;
}
inc = new_unary_expr(HLSL_IR_UNOP_POSTDEC, node_from_list($1), loc);
/* Post increment/decrement expressions are considered const */
inc->data_type = clone_hlsl_type(inc->data_type, 0);
inc->data_type->modifiers |= HLSL_MODIFIER_CONST;
$$ = append_unop($1, inc);
}
| postfix_expr '.' any_identifier
{
struct hlsl_ir_node *node = node_from_list($1);
struct source_location loc;
loc = get_location(&@2);
if (node->data_type->type == HLSL_CLASS_STRUCT)
{
struct hlsl_type *type = node->data_type;
struct hlsl_struct_field *field;
$$ = NULL;
LIST_FOR_EACH_ENTRY(field, type->e.elements, struct hlsl_struct_field, entry)
{
if (!strcmp($3, field->name))
{
if (!new_record_load(node, field, loc))
YYABORT;
$$ = $1;
break;
}
}
if (!$$)
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR,
"invalid subscript %s", debugstr_a($3));
YYABORT;
}
}
else if (node->data_type->type <= HLSL_CLASS_LAST_NUMERIC)
{
struct hlsl_ir_swizzle *swizzle;
swizzle = get_swizzle(node, $3, &loc);
if (!swizzle)
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR,
"invalid swizzle %s", debugstr_a($3));
YYABORT;
}
$$ = append_unop($1, &swizzle->node);
}
else
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR,
"invalid subscript %s", debugstr_a($3));
YYABORT;
}
}
| postfix_expr '[' expr ']'
{
struct hlsl_ir_load *load;
if (node_from_list($3)->data_type->type != HLSL_CLASS_SCALAR)
{
hlsl_report_message(get_location(&@3), HLSL_LEVEL_ERROR, "array index is not scalar");
free_instr_list($1);
free_instr_list($3);
YYABORT;
}
if (!(load = new_array_load(node_from_list($1), node_from_list($3), get_location(&@2))))
{
free_instr_list($1);
free_instr_list($3);
YYABORT;
}
$$ = append_binop($1, $3, &load->node);
}
/* "var_modifiers" doesn't make sense in this case, but it's needed
in the grammar to avoid shift/reduce conflicts. */
| var_modifiers type '(' initializer_expr_list ')'
{
struct hlsl_ir_assignment *assignment;
unsigned int i, writemask_offset = 0;
static unsigned int counter;
struct hlsl_ir_load *load;
struct hlsl_ir_var *var;
char name[23];
if ($1)
{
hlsl_report_message(get_location(&@1), HLSL_LEVEL_ERROR,
"unexpected modifier on a constructor\n");
YYABORT;
}
if ($2->type > HLSL_CLASS_LAST_NUMERIC)
{
hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR,
"constructors may only be used with numeric data types\n");
YYABORT;
}
if ($2->dimx * $2->dimy != initializer_size(&$4))
{
hlsl_report_message(get_location(&@4), HLSL_LEVEL_ERROR,
"expected %u components in constructor, but got %u\n",
$2->dimx * $2->dimy, initializer_size(&$4));
YYABORT;
}
if ($2->type == HLSL_CLASS_MATRIX)
FIXME("Matrix constructors are not supported yet.\n");
sprintf(name, "<constructor-%x>", counter++);
if (!(var = new_synthetic_var(name, $2, get_location(&@2))))
YYABORT;
for (i = 0; i < $4.args_count; ++i)
{
struct hlsl_ir_node *arg = $4.args[i];
unsigned int width;
if (arg->data_type->type == HLSL_CLASS_OBJECT)
{
hlsl_report_message(arg->loc, HLSL_LEVEL_ERROR,
"invalid constructor argument");
continue;
}
width = components_count_type(arg->data_type);
if (width > 4)
{
FIXME("Constructor argument with %u components.\n", width);
continue;
}
if (!(arg = implicit_conversion(arg,
hlsl_ctx.builtin_types.vector[$2->base_type][width - 1], &arg->loc)))
continue;
if (!(assignment = new_assignment(var, NULL, arg,
((1 << width) - 1) << writemask_offset, arg->loc)))
YYABORT;
writemask_offset += width;
list_add_tail($4.instrs, &assignment->node.entry);
}
d3dcompiler_free($4.args);
if (!(load = new_var_load(var, get_location(&@2))))
YYABORT;
$$ = append_unop($4.instrs, &load->node);
}
unary_expr: postfix_expr
{
$$ = $1;
}
| OP_INC unary_expr
{
struct source_location loc;
loc = get_location(&@1);
if (node_from_list($2)->data_type->modifiers & HLSL_MODIFIER_CONST)
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "modifying a const expression");
YYABORT;
}
$$ = append_unop($2, new_unary_expr(HLSL_IR_UNOP_PREINC, node_from_list($2), loc));
}
| OP_DEC unary_expr
{
struct source_location loc;
loc = get_location(&@1);
if (node_from_list($2)->data_type->modifiers & HLSL_MODIFIER_CONST)
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "modifying a const expression");
YYABORT;
}
$$ = append_unop($2, new_unary_expr(HLSL_IR_UNOP_PREDEC, node_from_list($2), loc));
}
| unary_op unary_expr
{
enum hlsl_ir_expr_op ops[] = {0, HLSL_IR_UNOP_NEG,
HLSL_IR_UNOP_LOGIC_NOT, HLSL_IR_UNOP_BIT_NOT};
if ($1 == UNARY_OP_PLUS)
{
$$ = $2;
}
else
{
$$ = append_unop($2, new_unary_expr(ops[$1], node_from_list($2), get_location(&@1)));
}
}
/* var_modifiers just to avoid shift/reduce conflicts */
| '(' var_modifiers type array ')' unary_expr
{
struct hlsl_type *src_type = node_from_list($6)->data_type;
struct hlsl_type *dst_type;
struct source_location loc;
loc = get_location(&@3);
if ($2)
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "unexpected modifier in a cast");
YYABORT;
}
if ($4)
dst_type = new_array_type($3, $4);
else
dst_type = $3;
if (!compatible_data_types(src_type, dst_type))
{
hlsl_report_message(loc, HLSL_LEVEL_ERROR, "can't cast from %s to %s",
debug_hlsl_type(src_type), debug_hlsl_type(dst_type));
YYABORT;
}
$$ = append_unop($6, &new_cast(node_from_list($6), dst_type, &loc)->node);
}
unary_op: '+'
{
$$ = UNARY_OP_PLUS;
}
| '-'
{
$$ = UNARY_OP_MINUS;
}
| '!'
{
$$ = UNARY_OP_LOGICNOT;
}
| '~'
{
$$ = UNARY_OP_BITNOT;
}
mul_expr: unary_expr
{
$$ = $1;
}
| mul_expr '*' unary_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_MUL,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
| mul_expr '/' unary_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_DIV,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
| mul_expr '%' unary_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_MOD,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
add_expr: mul_expr
{
$$ = $1;
}
| add_expr '+' mul_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_ADD,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
| add_expr '-' mul_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_SUB,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
shift_expr: add_expr
{
$$ = $1;
}
| shift_expr OP_LEFTSHIFT add_expr
{
FIXME("Left shift\n");
}
| shift_expr OP_RIGHTSHIFT add_expr
{
FIXME("Right shift\n");
}
relational_expr: shift_expr
{
$$ = $1;
}
| relational_expr '<' shift_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_LESS,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
| relational_expr '>' shift_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_GREATER,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
| relational_expr OP_LE shift_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_LEQUAL,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
| relational_expr OP_GE shift_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_GEQUAL,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
equality_expr: relational_expr
{
$$ = $1;
}
| equality_expr OP_EQ relational_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_EQUAL,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
| equality_expr OP_NE relational_expr
{
$$ = append_binop($1, $3, new_binary_expr(HLSL_IR_BINOP_NEQUAL,
node_from_list($1), node_from_list($3), get_location(&@2)));
}
bitand_expr: equality_expr
{
$$ = $1;
}
| bitand_expr '&' equality_expr
{
FIXME("bitwise AND\n");
}
bitxor_expr: bitand_expr
{
$$ = $1;
}
| bitxor_expr '^' bitand_expr
{
FIXME("bitwise XOR\n");
}
bitor_expr: bitxor_expr
{
$$ = $1;
}
| bitor_expr '|' bitxor_expr
{
FIXME("bitwise OR\n");
}
logicand_expr: bitor_expr
{
$$ = $1;
}
| logicand_expr OP_AND bitor_expr
{
FIXME("logic AND\n");
}
logicor_expr: logicand_expr
{
$$ = $1;
}
| logicor_expr OP_OR logicand_expr
{
FIXME("logic OR\n");
}
conditional_expr: logicor_expr
{
$$ = $1;
}
| logicor_expr '?' expr ':' assignment_expr
{
FIXME("ternary operator\n");
}
assignment_expr: conditional_expr
{
$$ = $1;
}
| unary_expr assign_op assignment_expr
{
struct hlsl_ir_node *instr;
if (node_from_list($1)->data_type->modifiers & HLSL_MODIFIER_CONST)
{
hlsl_report_message(get_location(&@2), HLSL_LEVEL_ERROR, "l-value is const");
YYABORT;
}
if (!(instr = make_assignment(node_from_list($1), $2, node_from_list($3))))
YYABORT;
instr->loc = get_location(&@2);
$$ = append_binop($3, $1, instr);
}
assign_op: '='
{
$$ = ASSIGN_OP_ASSIGN;
}
| OP_ADDASSIGN
{
$$ = ASSIGN_OP_ADD;
}
| OP_SUBASSIGN
{
$$ = ASSIGN_OP_SUB;
}
| OP_MULASSIGN
{
$$ = ASSIGN_OP_MUL;
}
| OP_DIVASSIGN
{
$$ = ASSIGN_OP_DIV;
}
| OP_MODASSIGN
{
$$ = ASSIGN_OP_MOD;
}
| OP_LEFTSHIFTASSIGN
{
$$ = ASSIGN_OP_LSHIFT;
}
| OP_RIGHTSHIFTASSIGN
{
$$ = ASSIGN_OP_RSHIFT;
}
| OP_ANDASSIGN
{
$$ = ASSIGN_OP_AND;
}
| OP_ORASSIGN
{
$$ = ASSIGN_OP_OR;
}
| OP_XORASSIGN
{
$$ = ASSIGN_OP_XOR;
}
expr: assignment_expr
{
$$ = $1;
}
| expr ',' assignment_expr
{
$$ = $1;
list_move_tail($$, $3);
d3dcompiler_free($3);
}
%%
static struct source_location get_location(const struct YYLTYPE *l)
{
const struct source_location loc =
{
.file = hlsl_ctx.source_file,
.line = l->first_line,
.col = l->first_column,
};
return loc;
}
static void dump_function_decl(struct wine_rb_entry *entry, void *context)
{
struct hlsl_ir_function_decl *func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function_decl, entry);
if (func->body)
debug_dump_ir_function_decl(func);
}
static void dump_function(struct wine_rb_entry *entry, void *context)
{
struct hlsl_ir_function *func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry);
wine_rb_for_each_entry(&func->overloads, dump_function_decl, NULL);
}
/* Allocate a unique, ordered index to each instruction, which will be used for
* computing liveness ranges. */
static unsigned int index_instructions(struct list *instrs, unsigned int index)
{
struct hlsl_ir_node *instr;
LIST_FOR_EACH_ENTRY(instr, instrs, struct hlsl_ir_node, entry)
{
instr->index = index++;
if (instr->type == HLSL_IR_IF)
{
struct hlsl_ir_if *iff = if_from_node(instr);
index = index_instructions(iff->then_instrs, index);
if (iff->else_instrs)
index = index_instructions(iff->else_instrs, index);
}
else if (instr->type == HLSL_IR_LOOP)
{
index = index_instructions(loop_from_node(instr)->body, index);
loop_from_node(instr)->next_index = index;
}
}
return index;
}
/* 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
* for anonymous nodes, since there's currently no way to use a node which was
* calculated in an earlier iteration of the loop. */
static void compute_liveness_recurse(struct list *instrs, unsigned int loop_first, unsigned int loop_last)
{
struct hlsl_ir_node *instr;
struct hlsl_ir_var *var;
LIST_FOR_EACH_ENTRY(instr, instrs, struct hlsl_ir_node, entry)
{
switch (instr->type)
{
case HLSL_IR_ASSIGNMENT:
{
struct hlsl_ir_assignment *assignment = assignment_from_node(instr);
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_EXPR:
{
struct hlsl_ir_expr *expr = expr_from_node(instr);
expr->operands[0]->last_read = instr->index;
if (expr->operands[1])
expr->operands[1]->last_read = instr->index;
if (expr->operands[2])
expr->operands[2]->last_read = instr->index;
break;
}
case HLSL_IR_IF:
{
struct hlsl_ir_if *iff = if_from_node(instr);
compute_liveness_recurse(iff->then_instrs, loop_first, loop_last);
if (iff->else_instrs)
compute_liveness_recurse(iff->else_instrs, loop_first, loop_last);
iff->condition->last_read = instr->index;
break;
}
case HLSL_IR_LOAD:
{
struct hlsl_ir_load *load = load_from_node(instr);
var = load->src.var;
var->last_read = loop_last ? max(instr->index, loop_last) : instr->index;
if (load->src.offset)
load->src.offset->last_read = instr->index;
break;
}
case HLSL_IR_LOOP:
{
struct hlsl_ir_loop *loop = loop_from_node(instr);
compute_liveness_recurse(loop->body, loop_first ? loop_first : instr->index,
loop_last ? loop_last : loop->next_index);
break;
}
case HLSL_IR_SWIZZLE:
{
struct hlsl_ir_swizzle *swizzle = swizzle_from_node(instr);
swizzle->val->last_read = instr->index;
break;
}
case HLSL_IR_CONSTANT:
case HLSL_IR_JUMP:
break;
}
}
}
static void compute_liveness(struct hlsl_ir_function_decl *entry_func)
{
struct hlsl_ir_var *var;
LIST_FOR_EACH_ENTRY(var, &hlsl_ctx.globals->vars, struct hlsl_ir_var, scope_entry)
{
var->first_write = 1;
}
LIST_FOR_EACH_ENTRY(var, entry_func->parameters, struct hlsl_ir_var, param_entry)
{
if (var->modifiers & HLSL_STORAGE_IN)
var->first_write = 1;
if (var->modifiers & HLSL_STORAGE_OUT)
var->last_read = UINT_MAX;
}
if (entry_func->return_var)
entry_func->return_var->last_read = UINT_MAX;
compute_liveness_recurse(entry_func->body, 0, 0);
}
HRESULT parse_hlsl(enum shader_type type, DWORD major, DWORD minor,
const char *entrypoint, ID3D10Blob **shader_blob, char **messages)
{
struct hlsl_ir_function_decl *entry_func;
struct hlsl_scope *scope, *next_scope;
struct hlsl_type *hlsl_type, *next_type;
struct hlsl_ir_var *var, *next_var;
HRESULT hr = E_FAIL;
unsigned int i;
hlsl_ctx.status = PARSE_SUCCESS;
hlsl_ctx.messages.size = hlsl_ctx.messages.capacity = 0;
hlsl_ctx.line_no = hlsl_ctx.column = 1;
hlsl_ctx.source_file = d3dcompiler_strdup("");
hlsl_ctx.source_files = d3dcompiler_alloc(sizeof(*hlsl_ctx.source_files));
if (hlsl_ctx.source_files)
hlsl_ctx.source_files[0] = hlsl_ctx.source_file;
hlsl_ctx.source_files_count = 1;
hlsl_ctx.cur_scope = NULL;
hlsl_ctx.matrix_majority = HLSL_COLUMN_MAJOR;
list_init(&hlsl_ctx.scopes);
list_init(&hlsl_ctx.types);
init_functions_tree(&hlsl_ctx.functions);
push_scope(&hlsl_ctx);
hlsl_ctx.globals = hlsl_ctx.cur_scope;
declare_predefined_types(hlsl_ctx.globals);
hlsl_parse();
if (hlsl_ctx.status == PARSE_ERR)
goto out;
if (!(entry_func = get_func_entry(entrypoint)))
{
hlsl_message("error: entry point %s is not defined\n", debugstr_a(entrypoint));
goto out;
}
if (!type_is_void(entry_func->return_type)
&& entry_func->return_type->type != HLSL_CLASS_STRUCT && !entry_func->semantic)
{
hlsl_report_message(entry_func->loc, HLSL_LEVEL_ERROR,
"entry point \"%s\" is missing a return value semantic", entry_func->func->name);
}
/* Index 0 means unused; index 1 means function entry, so start at 2. */
index_instructions(entry_func->body, 2);
if (TRACE_ON(hlsl_parser))
{
TRACE("IR dump.\n");
wine_rb_for_each_entry(&hlsl_ctx.functions, dump_function, NULL);
}
compute_liveness(entry_func);
if (hlsl_ctx.status != PARSE_ERR)
hr = E_NOTIMPL;
out:
if (messages)
{
if (hlsl_ctx.messages.size)
*messages = hlsl_ctx.messages.string;
else
*messages = NULL;
}
else
{
if (hlsl_ctx.messages.capacity)
d3dcompiler_free(hlsl_ctx.messages.string);
}
for (i = 0; i < hlsl_ctx.source_files_count; ++i)
d3dcompiler_free((void *)hlsl_ctx.source_files[i]);
d3dcompiler_free(hlsl_ctx.source_files);
TRACE("Freeing functions IR.\n");
wine_rb_destroy(&hlsl_ctx.functions, free_function_rb, NULL);
TRACE("Freeing variables.\n");
LIST_FOR_EACH_ENTRY_SAFE(scope, next_scope, &hlsl_ctx.scopes, struct hlsl_scope, entry)
{
LIST_FOR_EACH_ENTRY_SAFE(var, next_var, &scope->vars, struct hlsl_ir_var, scope_entry)
{
free_declaration(var);
}
wine_rb_destroy(&scope->types, NULL, NULL);
d3dcompiler_free(scope);
}
TRACE("Freeing types.\n");
LIST_FOR_EACH_ENTRY_SAFE(hlsl_type, next_type, &hlsl_ctx.types, struct hlsl_type, entry)
{
free_hlsl_type(hlsl_type);
}
return hr;
}
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