/*
* Mesa 3-D graphics library
- * Version: 6.5.2
*
* Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
+ * Copyright (C) 2008 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
#include "main/context.h"
#include "shader/program.h"
#include "shader/programopt.h"
+#include "shader/prog_optimize.h"
#include "shader/prog_print.h"
#include "shader/prog_parameter.h"
-#include "shader/grammar/grammar_mesa.h"
+#include "../../glsl/pp/sl_pp_public.h"
+#include "../../glsl/cl/sl_cl_parse.h"
#include "slang_codegen.h"
#include "slang_compile.h"
-#include "slang_preprocess.h"
#include "slang_storage.h"
#include "slang_emit.h"
#include "slang_log.h"
}
-/**
- * Allocate storage for a variable of 'size' bytes from given pool.
- * Return the allocated address for the variable.
- */
-static GLuint
-slang_var_pool_alloc(slang_var_pool * pool, unsigned int size)
-{
- const GLuint addr = pool->next_addr;
- pool->next_addr += size;
- return addr;
-}
-
/*
* slang_code_unit
*/
for (i = 0; i < SLANG_BUILTIN_TOTAL; i++)
_slang_code_unit_ctr(&self->builtin[i], self);
_slang_code_unit_ctr(&self->unit, self);
- self->varpool.next_addr = 0;
slang_atom_pool_construct(&self->atompool);
}
typedef struct slang_parse_ctx_
{
- const byte *I;
+ const unsigned char *I;
slang_info_log *L;
int parsing_builtin;
GLboolean global_scope; /**< Is object being declared a global? */
slang_variable_scope *vars;
slang_function_scope *funs;
slang_struct_scope *structs;
- slang_var_pool *global_pool;
struct gl_program *program;
+ struct gl_sl_pragmas *pragmas;
slang_var_table *vartable;
GLuint default_precision[TYPE_SPECIFIER_COUNT];
GLboolean allow_precision;
GLboolean allow_invariant;
GLboolean allow_centroid;
+ GLboolean allow_array_types; /* float[] syntax */
} slang_output_ctx;
/* _slang_compile() */
return slang_atom_pool_atom(C->atoms, id);
}
+static int
+is_hex_digit(char c)
+{
+ return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
+}
+
+static int
+parse_general_number(slang_parse_ctx *ctx, float *number)
+{
+ char *flt = NULL;
+
+ if (*ctx->I == '0') {
+ int value = 0;
+ const unsigned char *pi;
+
+ if (ctx->I[1] == 'x' || ctx->I[1] == 'X') {
+ ctx->I += 2;
+ if (!is_hex_digit(*ctx->I)) {
+ return 0;
+ }
+ do {
+ int digit;
+
+ if (*ctx->I >= '0' && *ctx->I <= '9') {
+ digit = (int)(*ctx->I - '0');
+ } else if (*ctx->I >= 'a' && *ctx->I <= 'f') {
+ digit = (int)(*ctx->I - 'a') + 10;
+ } else {
+ digit = (int)(*ctx->I - 'A') + 10;
+ }
+ value = value * 0x10 + digit;
+ ctx->I++;
+ } while (is_hex_digit(*ctx->I));
+ if (*ctx->I != '\0') {
+ return 0;
+ }
+ ctx->I++;
+ *number = (float)value;
+ return 1;
+ }
+
+ pi = ctx->I;
+ pi++;
+ while (*pi >= '0' && *pi <= '7') {
+ int digit;
+
+ digit = (int)(*pi - '0');
+ value = value * 010 + digit;
+ pi++;
+ }
+ if (*pi == '\0') {
+ pi++;
+ ctx->I = pi;
+ *number = (float)value;
+ return 1;
+ }
+ }
+
+ parse_identifier_str(ctx, &flt);
+ flt = strdup(flt);
+ if (!flt) {
+ return 0;
+ }
+ if (flt[strlen(flt) - 1] == 'f' || flt[strlen(flt) - 1] == 'F') {
+ flt[strlen(flt) - 1] = '\0';
+ }
+ *number = (float)_mesa_strtod(flt, (char **)NULL);
+ free(flt);
+
+ return 1;
+}
+
static int
parse_number(slang_parse_ctx * C, int *number)
{
const int radix = (int) (*C->I++);
- *number = 0;
- while (*C->I != '\0') {
- int digit;
- if (*C->I >= '0' && *C->I <= '9')
- digit = (int) (*C->I - '0');
- else if (*C->I >= 'A' && *C->I <= 'Z')
- digit = (int) (*C->I - 'A') + 10;
- else
- digit = (int) (*C->I - 'a') + 10;
- *number = *number * radix + digit;
+
+ if (radix == 1) {
+ float f = 0.0f;
+
+ parse_general_number(C, &f);
+ *number = (int)f;
+ } else {
+ *number = 0;
+ while (*C->I != '\0') {
+ int digit;
+ if (*C->I >= '0' && *C->I <= '9')
+ digit = (int) (*C->I - '0');
+ else if (*C->I >= 'A' && *C->I <= 'Z')
+ digit = (int) (*C->I - 'A') + 10;
+ else
+ digit = (int) (*C->I - 'a') + 10;
+ *number = *number * radix + digit;
+ C->I++;
+ }
C->I++;
}
- C->I++;
if (*number > 65535)
slang_info_log_warning(C->L, "%d: literal integer overflow.", *number);
return 1;
static int
parse_float(slang_parse_ctx * C, float *number)
{
- char *integral = NULL;
- char *fractional = NULL;
- char *exponent = NULL;
- char *whole = NULL;
-
- parse_identifier_str(C, &integral);
- parse_identifier_str(C, &fractional);
- parse_identifier_str(C, &exponent);
-
- whole = (char *) _slang_alloc((_mesa_strlen(integral) +
- _mesa_strlen(fractional) +
- _mesa_strlen(exponent) + 3) * sizeof(char));
- if (whole == NULL) {
- slang_info_log_memory(C->L);
- RETURN0;
- }
+ if (*C->I == 1) {
+ C->I++;
+ parse_general_number(C, number);
+ } else {
+ char *integral = NULL;
+ char *fractional = NULL;
+ char *exponent = NULL;
+ char *whole = NULL;
+
+ parse_identifier_str(C, &integral);
+ parse_identifier_str(C, &fractional);
+ parse_identifier_str(C, &exponent);
+
+ whole = (char *) _slang_alloc((_mesa_strlen(integral) +
+ _mesa_strlen(fractional) +
+ _mesa_strlen(exponent) + 3) * sizeof(char));
+ if (whole == NULL) {
+ slang_info_log_memory(C->L);
+ RETURN0;
+ }
- slang_string_copy(whole, integral);
- slang_string_concat(whole, ".");
- slang_string_concat(whole, fractional);
- slang_string_concat(whole, "E");
- slang_string_concat(whole, exponent);
+ slang_string_copy(whole, integral);
+ slang_string_concat(whole, ".");
+ slang_string_concat(whole, fractional);
+ slang_string_concat(whole, "E");
+ slang_string_concat(whole, exponent);
- *number = (float) (_mesa_strtod(whole, (char **) NULL));
+ *number = (float) (_mesa_strtod(whole, (char **) NULL));
- _slang_free(whole);
+ _slang_free(whole);
+ }
return 1;
}
/* revision number - increment after each change affecting emitted output */
-#define REVISION 4
+#define REVISION 5
static int
check_revision(slang_parse_ctx * C)
slang_operation *);
static int parse_type_specifier(slang_parse_ctx *, slang_output_ctx *,
slang_type_specifier *);
+static int
+parse_type_array_size(slang_parse_ctx *C,
+ slang_output_ctx *O,
+ GLint *array_len);
static GLboolean
parse_array_len(slang_parse_ctx * C, slang_output_ctx * O, GLuint * len)
result = GL_TRUE;
*len = (GLint) array_size.literal[0];
} else if (array_size.type == SLANG_OPER_IDENTIFIER) {
- slang_variable *var = _slang_locate_variable(array_size.locals, array_size.a_id, GL_TRUE);
+ slang_variable *var = _slang_variable_locate(array_size.locals, array_size.a_id, GL_TRUE);
if (!var) {
slang_info_log_error(C->L, "undefined variable '%s'",
(char *) array_size.a_id);
return GL_TRUE;
}
+static void
+promote_type_to_array(slang_parse_ctx *C,
+ slang_fully_specified_type *type,
+ GLint array_len)
+{
+ slang_type_specifier *baseType =
+ slang_type_specifier_new(type->specifier.type, NULL, NULL);
+
+ type->specifier.type = SLANG_SPEC_ARRAY;
+ type->specifier._array = baseType;
+ type->array_len = array_len;
+}
+
+
static GLboolean
convert_to_array(slang_parse_ctx * C, slang_variable * var,
const slang_type_specifier * sp)
{
- /* sized array - mark it as array, copy the specifier to the array element and
- * parse the expression */
+ /* sized array - mark it as array, copy the specifier to the array element
+ * and parse the expression */
var->type.specifier.type = SLANG_SPEC_ARRAY;
var->type.specifier._array = (slang_type_specifier *)
_slang_alloc(sizeof(slang_type_specifier));
static GLboolean
parse_struct_field_var(slang_parse_ctx * C, slang_output_ctx * O,
slang_variable * var, slang_atom a_name,
- const slang_type_specifier * sp)
+ const slang_type_specifier * sp,
+ GLuint array_len)
{
var->a_name = a_name;
if (var->a_name == SLANG_ATOM_NULL)
switch (*C->I++) {
case FIELD_NONE:
- if (!slang_type_specifier_copy(&var->type.specifier, sp))
- return GL_FALSE;
+ if (array_len != -1) {
+ if (!convert_to_array(C, var, sp))
+ return GL_FALSE;
+ var->array_len = array_len;
+ }
+ else {
+ if (!slang_type_specifier_copy(&var->type.specifier, sp))
+ return GL_FALSE;
+ }
break;
case FIELD_ARRAY:
+ if (array_len != -1)
+ return GL_FALSE;
if (!convert_to_array(C, var, sp))
return GL_FALSE;
if (!parse_array_len(C, O, &var->array_len))
slang_struct * st, slang_type_specifier * sp)
{
slang_output_ctx o = *O;
+ GLint array_len;
o.structs = st->structs;
if (!parse_type_specifier(C, &o, sp))
RETURN0;
+ if (!parse_type_array_size(C, &o, &array_len))
+ RETURN0;
do {
slang_atom a_name;
RETURN0;
}
a_name = parse_identifier(C);
- if (_slang_locate_variable(st->fields, a_name, GL_FALSE)) {
+ if (_slang_variable_locate(st->fields, a_name, GL_FALSE)) {
slang_info_log_error(C->L, "duplicate field '%s'", (char *) a_name);
RETURN0;
}
- if (!parse_struct_field_var(C, &o, var, a_name, sp))
+ if (!parse_struct_field_var(C, &o, var, a_name, sp, array_len))
RETURN0;
}
while (*C->I++ != FIELD_NONE);
return 1;
}
+#define TYPE_SPECIFIER_NONARRAY 0
+#define TYPE_SPECIFIER_ARRAY 1
+
+static int
+parse_type_array_size(slang_parse_ctx *C,
+ slang_output_ctx *O,
+ GLint *array_len)
+{
+ GLuint size;
+
+ switch (*C->I++) {
+ case TYPE_SPECIFIER_NONARRAY:
+ *array_len = -1; /* -1 = not an array */
+ break;
+ case TYPE_SPECIFIER_ARRAY:
+ if (!parse_array_len(C, O, &size))
+ RETURN0;
+ *array_len = (GLint) size;
+ break;
+ default:
+ assert(0);
+ RETURN0;
+ }
+ return 1;
+}
#define PRECISION_DEFAULT 0
#define PRECISION_LOW 1
if (!parse_type_specifier(C, O, &type->specifier))
RETURN0;
+ if (!parse_type_array_size(C, O, &type->array_len))
+ RETURN0;
+
if (!O->allow_invariant && type->variant == SLANG_INVARIANT) {
slang_info_log_error(C->L,
"'invariant' keyword not allowed (perhaps set #version 120)");
}
}
+ if (!O->allow_array_types && type->array_len >= 0) {
+ slang_info_log_error(C->L, "first-class array types not allowed");
+ RETURN0;
+ }
+
+ if (type->array_len >= 0) {
+ /* convert type to array type (ex: convert "int" to "array of int" */
+ promote_type_to_array(C, type, type->array_len);
+ }
+
return 1;
}
#define OP_POSTINCREMENT 60
#define OP_POSTDECREMENT 61
#define OP_PRECISION 62
+#define OP_METHOD 63
/**
parse_statement(slang_parse_ctx * C, slang_output_ctx * O,
slang_operation * oper)
{
+ int op;
+
oper->locals->outer_scope = O->vars;
- switch (*C->I++) {
+
+ op = *C->I++;
+ switch (op) {
case OP_BLOCK_BEGIN_NO_NEW_SCOPE:
/* parse child statements, do not create new variable scope */
oper->type = SLANG_OPER_BLOCK_NO_NEW_SCOPE;
while (*C->I != OP_END)
- if (!parse_child_operation(C, O, oper, 1))
+ if (!parse_child_operation(C, O, oper, GL_TRUE))
RETURN0;
C->I++;
break;
oper->type = SLANG_OPER_BLOCK_NEW_SCOPE;
o.vars = oper->locals;
while (*C->I != OP_END)
- if (!parse_child_operation(C, &o, oper, 1))
+ if (!parse_child_operation(C, &o, oper, GL_TRUE))
RETURN0;
C->I++;
}
}
for (i = first_var; i < O->vars->num_variables; i++) {
slang_operation *o = &oper->children[i - first_var];
+ slang_variable *var = O->vars->variables[i];
o->type = SLANG_OPER_VARIABLE_DECL;
o->locals->outer_scope = O->vars;
- o->a_id = O->vars->variables[i]->a_name;
+ o->a_id = var->a_name;
+
+ /* new/someday...
+ calculate_var_size(C, O, var);
+ */
if (!legal_identifier(o->a_id)) {
slang_info_log_error(C->L, "illegal variable name '%s'",
if (oper->a_id == SLANG_ATOM_NULL)
RETURN0;
while (*C->I != OP_END) {
- if (!parse_child_operation(C, O, oper, 0))
+ if (!parse_child_operation(C, O, oper, GL_FALSE))
RETURN0;
}
C->I++;
break;
case OP_RETURN:
oper->type = SLANG_OPER_RETURN;
- if (!parse_child_operation(C, O, oper, 0))
+ if (!parse_child_operation(C, O, oper, GL_FALSE))
RETURN0;
break;
case OP_EXPRESSION:
oper->type = SLANG_OPER_EXPRESSION;
- if (!parse_child_operation(C, O, oper, 0))
+ if (!parse_child_operation(C, O, oper, GL_FALSE))
RETURN0;
break;
case OP_IF:
oper->type = SLANG_OPER_IF;
- if (!parse_child_operation(C, O, oper, 0))
+ if (!parse_child_operation(C, O, oper, GL_FALSE))
RETURN0;
- if (!parse_child_operation(C, O, oper, 1))
+ if (!parse_child_operation(C, O, oper, GL_TRUE))
RETURN0;
- if (!parse_child_operation(C, O, oper, 1))
+ if (!parse_child_operation(C, O, oper, GL_TRUE))
RETURN0;
break;
case OP_WHILE:
oper->type = SLANG_OPER_WHILE;
o.vars = oper->locals;
- if (!parse_child_operation(C, &o, oper, 1))
+ if (!parse_child_operation(C, &o, oper, GL_TRUE))
RETURN0;
- if (!parse_child_operation(C, &o, oper, 1))
+ if (!parse_child_operation(C, &o, oper, GL_TRUE))
RETURN0;
}
break;
case OP_DO:
oper->type = SLANG_OPER_DO;
- if (!parse_child_operation(C, O, oper, 1))
+ if (!parse_child_operation(C, O, oper, GL_TRUE))
RETURN0;
- if (!parse_child_operation(C, O, oper, 0))
+ if (!parse_child_operation(C, O, oper, GL_FALSE))
RETURN0;
break;
case OP_FOR:
oper->type = SLANG_OPER_FOR;
o.vars = oper->locals;
- if (!parse_child_operation(C, &o, oper, 1))
+ if (!parse_child_operation(C, &o, oper, GL_TRUE))
RETURN0;
- if (!parse_child_operation(C, &o, oper, 1))
+ if (!parse_child_operation(C, &o, oper, GL_TRUE))
RETURN0;
- if (!parse_child_operation(C, &o, oper, 0))
+ if (!parse_child_operation(C, &o, oper, GL_FALSE))
RETURN0;
- if (!parse_child_operation(C, &o, oper, 1))
+ if (!parse_child_operation(C, &o, oper, GL_TRUE))
RETURN0;
}
break;
}
break;
default:
+ /*printf("Unexpected operation %d\n", op);*/
RETURN0;
}
return 1;
return slang_struct_scope_find(structs, a_name, 1) != NULL;
}
+#define FUNCTION_CALL_NONARRAY 0
+#define FUNCTION_CALL_ARRAY 1
+
static int
parse_expression(slang_parse_ctx * C, slang_output_ctx * O,
slang_operation * oper)
if (!handle_nary_expression(C, op, &ops, &num_ops, 2))
RETURN0;
break;
- case OP_CALL:
- op->type = SLANG_OPER_CALL;
+ case OP_METHOD:
+ op->type = SLANG_OPER_METHOD;
+ op->a_obj = parse_identifier(C);
+ if (op->a_obj == SLANG_ATOM_NULL)
+ RETURN0;
+
op->a_id = parse_identifier(C);
if (op->a_id == SLANG_ATOM_NULL)
RETURN0;
+
+ assert(*C->I == OP_END);
+ C->I++;
+
while (*C->I != OP_END)
- if (!parse_child_operation(C, O, op, 0))
+ if (!parse_child_operation(C, O, op, GL_FALSE))
RETURN0;
C->I++;
-
+#if 0
+ /* don't lookup the method (not yet anyway) */
if (!C->parsing_builtin
&& !slang_function_scope_find_by_name(O->funs, op->a_id, 1)) {
const char *id;
RETURN0;
}
}
+#endif
+ break;
+ case OP_CALL:
+ {
+ GLboolean array_constructor = GL_FALSE;
+ GLint array_constructor_size = 0;
+
+ op->type = SLANG_OPER_CALL;
+ op->a_id = parse_identifier(C);
+ if (op->a_id == SLANG_ATOM_NULL)
+ RETURN0;
+ switch (*C->I++) {
+ case FUNCTION_CALL_NONARRAY:
+ /* Nothing to do. */
+ break;
+ case FUNCTION_CALL_ARRAY:
+ /* Calling an array constructor. For example:
+ * float[3](1.1, 2.2, 3.3);
+ */
+ if (!O->allow_array_types) {
+ slang_info_log_error(C->L,
+ "array constructors not allowed "
+ "in this GLSL version");
+ RETURN0;
+ }
+ else {
+ /* parse the array constructor size */
+ slang_operation array_size;
+ array_constructor = GL_TRUE;
+ slang_operation_construct(&array_size);
+ if (!parse_expression(C, O, &array_size)) {
+ slang_operation_destruct(&array_size);
+ return GL_FALSE;
+ }
+ if (array_size.type != SLANG_OPER_LITERAL_INT) {
+ slang_info_log_error(C->L,
+ "constructor array size is not an integer");
+ slang_operation_destruct(&array_size);
+ RETURN0;
+ }
+ array_constructor_size = (int) array_size.literal[0];
+ op->array_constructor = GL_TRUE;
+ slang_operation_destruct(&array_size);
+ }
+ break;
+ default:
+ assert(0);
+ RETURN0;
+ }
+ while (*C->I != OP_END)
+ if (!parse_child_operation(C, O, op, GL_FALSE))
+ RETURN0;
+ C->I++;
+
+ if (array_constructor &&
+ array_constructor_size != op->num_children) {
+ slang_info_log_error(C->L, "number of parameters to array"
+ " constructor does not match array size");
+ RETURN0;
+ }
+
+ if (!C->parsing_builtin
+ && !slang_function_scope_find_by_name(O->funs, op->a_id, 1)) {
+ const char *id;
+
+ id = slang_atom_pool_id(C->atoms, op->a_id);
+ if (!is_constructor_name(id, op->a_id, O->structs)) {
+ slang_info_log_error(C->L, "%s: undeclared function name.", id);
+ RETURN0;
+ }
+ }
+ }
break;
case OP_FIELD:
op->type = SLANG_OPER_FIELD;
/* parse parameter's type specifier and name */
if (!parse_type_specifier(C, O, ¶m->type.specifier))
RETURN0;
+ if (!parse_type_array_size(C, O, ¶m->type.array_len))
+ RETURN0;
param->a_name = parse_identifier(C);
if (param->a_name == SLANG_ATOM_NULL)
RETURN0;
+ /* first-class array
+ */
+ if (param->type.array_len >= 0) {
+ slang_type_specifier p;
+
+ slang_type_specifier_ctr(&p);
+ if (!slang_type_specifier_copy(&p, ¶m->type.specifier)) {
+ slang_type_specifier_dtr(&p);
+ RETURN0;
+ }
+ if (!convert_to_array(C, param, &p)) {
+ slang_type_specifier_dtr(&p);
+ RETURN0;
+ }
+ slang_type_specifier_dtr(&p);
+ param->array_len = param->type.array_len;
+ }
+
/* if the parameter is an array, parse its size (the size must be
* explicitly defined
*/
if (*C->I++ == PARAMETER_ARRAY_PRESENT) {
slang_type_specifier p;
+ if (param->type.array_len >= 0) {
+ slang_info_log_error(C->L, "multi-dimensional arrays not allowed");
+ RETURN0;
+ }
slang_type_specifier_ctr(&p);
if (!slang_type_specifier_copy(&p, ¶m->type.specifier)) {
slang_type_specifier_dtr(&p);
- return GL_FALSE;
+ RETURN0;
}
if (!convert_to_array(C, param, &p)) {
slang_type_specifier_dtr(&p);
- return GL_FALSE;
+ RETURN0;
}
slang_type_specifier_dtr(&p);
if (!parse_array_len(C, O, ¶m->array_len))
- return GL_FALSE;
+ RETURN0;
}
+#if 0
/* calculate the parameter size */
if (!calculate_var_size(C, O, param))
- return GL_FALSE;
-
+ RETURN0;
+#endif
/* TODO: allocate the local address here? */
return 1;
}
parse_init_declarator(slang_parse_ctx * C, slang_output_ctx * O,
const slang_fully_specified_type * type)
{
+ GET_CURRENT_CONTEXT(ctx); /* a hack */
slang_variable *var;
slang_atom a_name;
a_name = parse_identifier(C);
/* check if name is already in this scope */
- if (_slang_locate_variable(O->vars, a_name, GL_FALSE)) {
+ if (_slang_variable_locate(O->vars, a_name, GL_FALSE)) {
slang_info_log_error(C->L,
"declaration of '%s' conflicts with previous declaration",
(char *) a_name);
var->type.centroid = type->centroid;
var->type.precision = type->precision;
var->type.variant = type->variant;
+ var->type.array_len = type->array_len;
var->a_name = a_name;
if (var->a_name == SLANG_ATOM_NULL)
RETURN0;
break;
case VARIABLE_INITIALIZER:
/* initialized variable - copy the specifier and parse the expression */
- if (!slang_type_specifier_copy(&var->type.specifier, &type->specifier))
- RETURN0;
+ if (0 && type->array_len >= 0) {
+ /* The type was something like "float[4]" */
+ convert_to_array(C, var, &type->specifier);
+ var->array_len = type->array_len;
+ }
+ else {
+ if (!slang_type_specifier_copy(&var->type.specifier, &type->specifier))
+ RETURN0;
+ }
var->initializer =
(slang_operation *) _slang_alloc(sizeof(slang_operation));
if (var->initializer == NULL) {
break;
case VARIABLE_ARRAY_UNKNOWN:
/* unsized array - mark it as array and copy the specifier to
- the array element
- */
+ * the array element
+ */
+ if (type->array_len >= 0) {
+ slang_info_log_error(C->L, "multi-dimensional arrays not allowed");
+ RETURN0;
+ }
if (!convert_to_array(C, var, &type->specifier))
return GL_FALSE;
break;
case VARIABLE_ARRAY_EXPLICIT:
+ if (type->array_len >= 0) {
+ /* the user is trying to do something like: float[2] x[3]; */
+ slang_info_log_error(C->L, "multi-dimensional arrays not allowed");
+ RETURN0;
+ }
if (!convert_to_array(C, var, &type->specifier))
return GL_FALSE;
if (!parse_array_len(C, O, &var->array_len))
&& var->array_len == 0)) {
if (!calculate_var_size(C, O, var))
return GL_FALSE;
- var->address = slang_var_pool_alloc(O->global_pool, var->size);
}
/* emit code for global var decl */
if (C->global_scope) {
slang_assemble_ctx A;
+ memset(&A, 0, sizeof(slang_assemble_ctx));
A.atoms = C->atoms;
A.space.funcs = O->funs;
A.space.structs = O->structs;
A.space.vars = O->vars;
A.program = O->program;
+ A.pragmas = O->pragmas;
A.vartable = O->vartable;
A.log = C->L;
A.curFuncEndLabel = NULL;
+ A.EmitContReturn = ctx->Shader.EmitContReturn;
if (!_slang_codegen_global_variable(&A, var, C->type))
RETURN0;
}
if (C->global_scope) {
if (var->initializer != NULL) {
slang_assemble_ctx A;
-
+ memset(&A, 0, sizeof(slang_assemble_ctx));
A.atoms = C->atoms;
A.space.funcs = O->funs;
A.space.structs = O->structs;
(O->funs->num_functions + 1)
* sizeof(slang_function));
if (O->funs->functions == NULL) {
+ /* Make sure that there are no functions marked, as the
+ * allocation is currently NULL, in order to avoid
+ * a potental segfault as we clean up later.
+ */
+ O->funs->num_functions = 0;
+
slang_info_log_memory(C->L);
slang_function_destruct(&parsed_func);
return GL_FALSE;
}
/* destroy the existing function declaration and replace it
- * with the new one, remember to save the fixup table
+ * with the new one
*/
- parsed_func.fixups = found_func->fixups;
- slang_fixup_table_init(&found_func->fixups);
slang_function_destruct(found_func);
*found_func = parsed_func;
}
o.funs = &unit->funs;
o.structs = &unit->structs;
o.vars = &unit->vars;
- o.global_pool = &unit->object->varpool;
o.program = shader ? shader->Program : NULL;
+ o.pragmas = shader ? &shader->Pragmas : NULL;
o.vartable = _slang_new_var_table(maxRegs);
_slang_push_var_table(o.vartable);
#endif
init_default_precision(&o, unit->type);
+ /* allow 'float[]' keyword? */
+ o.allow_array_types = (C->version >= 120) ? GL_TRUE : GL_FALSE;
/* parse individual functions and declarations */
while (*C->I != EXTERNAL_NULL) {
if (mainFunc) {
/* assemble (generate code) for main() */
slang_assemble_ctx A;
-
+ memset(&A, 0, sizeof(slang_assemble_ctx));
A.atoms = C->atoms;
A.space.funcs = o.funs;
A.space.structs = o.structs;
A.space.vars = o.vars;
A.program = o.program;
+ A.pragmas = &shader->Pragmas;
A.vartable = o.vartable;
+ A.EmitContReturn = ctx->Shader.EmitContReturn;
A.log = C->L;
/* main() takes no parameters */
_slang_codegen_function(&A, mainFunc);
shader->Main = GL_TRUE; /* this shader defines main() */
+
+ shader->UnresolvedRefs = A.UnresolvedRefs;
}
_slang_pop_var_table(o.vartable);
}
static GLboolean
-compile_binary(const byte * prod, slang_code_unit * unit,
+compile_binary(const unsigned char * prod, slang_code_unit * unit,
GLuint version,
slang_unit_type type, slang_info_log * infolog,
slang_code_unit * builtin, slang_code_unit * downlink,
}
static GLboolean
-compile_with_grammar(grammar id, const char *source, slang_code_unit * unit,
- slang_unit_type type, slang_info_log * infolog,
- slang_code_unit * builtin,
- struct gl_shader *shader)
+compile_with_grammar(const char *source,
+ slang_code_unit *unit,
+ slang_unit_type type,
+ slang_info_log *infolog,
+ slang_code_unit *builtin,
+ struct gl_shader *shader,
+ const struct gl_extensions *extensions,
+ struct gl_sl_pragmas *pragmas,
+ unsigned int shader_type,
+ unsigned int parsing_builtin)
{
- byte *prod;
- GLuint size, start, version;
- slang_string preprocessed;
- GLuint maxVersion;
+ struct sl_pp_purify_options options;
+ struct sl_pp_context *context;
+ unsigned char *prod;
+ GLuint size;
+ unsigned int version;
+ unsigned int maxVersion;
+ int result;
+ char errmsg[200] = "";
+ unsigned int errline = 0;
+
+ memset(&options, 0, sizeof(options));
+
+ context = sl_pp_context_create(source, &options);
+ if (!context) {
+ slang_info_log_error(infolog, "out of memory");
+ return GL_FALSE;
+ }
+
+ if (sl_pp_version(context, &version)) {
+ slang_info_log_error(infolog, "%s", sl_pp_context_error_message(context));
+ sl_pp_context_destroy(context);
+ return GL_FALSE;
+ }
+
+ if (sl_pp_context_add_extension(context, "ARB_draw_buffers", "GL_ARB_draw_buffers") ||
+ sl_pp_context_add_extension(context, "ARB_texture_rectangle", "GL_ARB_texture_rectangle")) {
+ slang_info_log_error(infolog, "%s", sl_pp_context_error_message(context));
+ sl_pp_context_destroy(context);
+ return GL_FALSE;
+ }
+
+#if FEATURE_es2_glsl
+ if (sl_pp_context_add_predefined(context, "GL_ES", "1") ||
+ sl_pp_context_add_predefined(context, "GL_FRAGMENT_PRECISION_HIGH", "1")) {
+ slang_info_log_error(infolog, "%s", sl_pp_context_error_message(context));
+ sl_pp_context_destroy(context);
+ return GL_FALSE;
+ }
+#endif
#if FEATURE_ARB_shading_language_120
maxVersion = 120;
maxVersion = 110;
#endif
- /* First retrieve the version number. */
- if (!_slang_preprocess_version(source, &version, &start, infolog))
- return GL_FALSE;
-
- if (version > maxVersion) {
+ if (version > maxVersion ||
+ (version != 100 && version != 110 && version != 120)) {
slang_info_log_error(infolog,
"language version %.2f is not supported.",
version * 0.01);
- return GL_FALSE;
- }
-
- /* Now preprocess the source string. */
- slang_string_init(&preprocessed);
- if (!_slang_preprocess_directives(&preprocessed, &source[start], infolog)) {
- slang_string_free(&preprocessed);
- slang_info_log_error(infolog, "failed to preprocess the source.");
+ sl_pp_context_destroy(context);
return GL_FALSE;
}
/* Finally check the syntax and generate its binary representation. */
- if (!grammar_fast_check(id,
- (const byte *) (slang_string_cstr(&preprocessed)),
- &prod, &size, 65536)) {
- char buf[1024];
- GLint pos;
-
- slang_string_free(&preprocessed);
- grammar_get_last_error((byte *) (buf), sizeof(buf), &pos);
- slang_info_log_error(infolog, buf);
+ result = sl_cl_compile(context,
+ shader_type,
+ parsing_builtin,
+ &prod,
+ &size,
+ errmsg,
+ sizeof(errmsg));
+
+ sl_pp_context_destroy(context);
+
+ if (result) {
+ /*GLint pos;*/
+
+ slang_info_log_error(infolog, errmsg);
/* syntax error (possibly in library code) */
#if 0
{
#endif
return GL_FALSE;
}
- slang_string_free(&preprocessed);
/* Syntax is okay - translate it to internal representation. */
if (!compile_binary(prod, unit, version, type, infolog, builtin,
&builtin[SLANG_BUILTIN_TOTAL - 1],
shader)) {
- grammar_alloc_free(prod);
+ free(prod);
return GL_FALSE;
}
- grammar_alloc_free(prod);
+ free(prod);
return GL_TRUE;
}
-LONGSTRING static const char *slang_shader_syn =
-#include "library/slang_shader_syn.h"
- ;
-
-static const byte slang_core_gc[] = {
+static const unsigned char slang_core_gc[] = {
#include "library/slang_core_gc.h"
};
-static const byte slang_120_core_gc[] = {
+static const unsigned char slang_120_core_gc[] = {
#include "library/slang_120_core_gc.h"
};
-static const byte slang_120_fragment_gc[] = {
+static const unsigned char slang_120_fragment_gc[] = {
#include "library/slang_builtin_120_fragment_gc.h"
};
-static const byte slang_common_builtin_gc[] = {
+static const unsigned char slang_common_builtin_gc[] = {
#include "library/slang_common_builtin_gc.h"
};
-static const byte slang_fragment_builtin_gc[] = {
+static const unsigned char slang_fragment_builtin_gc[] = {
#include "library/slang_fragment_builtin_gc.h"
};
-static const byte slang_vertex_builtin_gc[] = {
+static const unsigned char slang_vertex_builtin_gc[] = {
#include "library/slang_vertex_builtin_gc.h"
};
static GLboolean
-compile_object(grammar * id, const char *source, slang_code_object * object,
- slang_unit_type type, slang_info_log * infolog,
- struct gl_shader *shader)
+compile_object(const char *source,
+ slang_code_object *object,
+ slang_unit_type type,
+ slang_info_log *infolog,
+ struct gl_shader *shader,
+ const struct gl_extensions *extensions,
+ struct gl_sl_pragmas *pragmas)
{
slang_code_unit *builtins = NULL;
GLuint base_version = 110;
-
- /* load GLSL grammar */
- *id = grammar_load_from_text((const byte *) (slang_shader_syn));
- if (*id == 0) {
- byte buf[1024];
- int pos;
-
- grammar_get_last_error(buf, 1024, &pos);
- slang_info_log_error(infolog, (const char *) (buf));
- return GL_FALSE;
- }
+ unsigned int shader_type;
+ unsigned int parsing_builtin;
/* set shader type - the syntax is slightly different for different shaders */
- if (type == SLANG_UNIT_FRAGMENT_SHADER
- || type == SLANG_UNIT_FRAGMENT_BUILTIN)
- grammar_set_reg8(*id, (const byte *) "shader_type", 1);
- else
- grammar_set_reg8(*id, (const byte *) "shader_type", 2);
+ if (type == SLANG_UNIT_FRAGMENT_SHADER || type == SLANG_UNIT_FRAGMENT_BUILTIN) {
+ shader_type = 1;
+ } else {
+ shader_type = 2;
+ }
/* enable language extensions */
- grammar_set_reg8(*id, (const byte *) "parsing_builtin", 1);
+ parsing_builtin = 1;
/* if parsing user-specified shader, load built-in library */
if (type == SLANG_UNIT_FRAGMENT_SHADER || type == SLANG_UNIT_VERTEX_SHADER) {
/* disable language extensions */
#if NEW_SLANG /* allow-built-ins */
- grammar_set_reg8(*id, (const byte *) "parsing_builtin", 1);
+ parsing_builtin = 1;
#else
- grammar_set_reg8(*id, (const byte *) "parsing_builtin", 0);
+ parsing_builtin = 0;
#endif
builtins = object->builtin;
}
/* compile the actual shader - pass-in built-in library for external shader */
- return compile_with_grammar(*id, source, &object->unit, type, infolog,
- builtins, shader);
+ return compile_with_grammar(source,
+ &object->unit,
+ type,
+ infolog,
+ builtins,
+ shader,
+ extensions,
+ pragmas,
+ shader_type,
+ parsing_builtin);
}
slang_unit_type type, slang_info_log * infolog,
struct gl_shader *shader)
{
- GLboolean success;
- grammar id = 0;
-
#if 0 /* for debug */
_mesa_printf("********* COMPILE SHADER ***********\n");
_mesa_printf("%s\n", shader->Source);
_slang_code_object_dtr(object);
_slang_code_object_ctr(object);
- success = compile_object(&id, shader->Source, object, type, infolog, shader);
- if (id != 0)
- grammar_destroy(id);
- if (!success)
- return GL_FALSE;
-
- return GL_TRUE;
+ return compile_object(shader->Source,
+ object,
+ type,
+ infolog,
+ shader,
+ &ctx->Extensions,
+ &shader->Pragmas);
}
slang_info_log info_log;
slang_code_object obj;
slang_unit_type type;
+ GLenum progTarget;
if (shader->Type == GL_VERTEX_SHADER) {
type = SLANG_UNIT_VERTEX_SHADER;
shader->Main = GL_FALSE;
- if (!shader->Program) {
- GLenum progTarget;
- if (shader->Type == GL_VERTEX_SHADER)
- progTarget = GL_VERTEX_PROGRAM_ARB;
- else
- progTarget = GL_FRAGMENT_PROGRAM_ARB;
- shader->Program = ctx->Driver.NewProgram(ctx, progTarget, 1);
- shader->Program->Parameters = _mesa_new_parameter_list();
- shader->Program->Varying = _mesa_new_parameter_list();
- shader->Program->Attributes = _mesa_new_parameter_list();
- }
+ /* free the shader's old instructions, etc */
+ _mesa_reference_program(ctx, &shader->Program, NULL);
+
+ /* allocate new GPU program, parameter lists, etc. */
+ if (shader->Type == GL_VERTEX_SHADER)
+ progTarget = GL_VERTEX_PROGRAM_ARB;
+ else
+ progTarget = GL_FRAGMENT_PROGRAM_ARB;
+ shader->Program = ctx->Driver.NewProgram(ctx, progTarget, 1);
+ shader->Program->Parameters = _mesa_new_parameter_list();
+ shader->Program->Varying = _mesa_new_parameter_list();
+ shader->Program->Attributes = _mesa_new_parameter_list();
slang_info_log_construct(&info_log);
_slang_code_object_ctr(&obj);
_mesa_print_program(shader->Program);
#endif
+ shader->CompileStatus = success;
+
+ if (success) {
+ if (shader->Pragmas.Optimize &&
+ (ctx->Shader.Flags & GLSL_NO_OPT) == 0) {
+ _mesa_optimize_program(ctx, shader->Program);
+ }
+ if ((ctx->Shader.Flags & GLSL_NOP_VERT) &&
+ shader->Program->Target == GL_VERTEX_PROGRAM_ARB) {
+ _mesa_nop_vertex_program(ctx,
+ (struct gl_vertex_program *) shader->Program);
+ }
+ if ((ctx->Shader.Flags & GLSL_NOP_FRAG) &&
+ shader->Program->Target == GL_FRAGMENT_PROGRAM_ARB) {
+ _mesa_nop_fragment_program(ctx,
+ (struct gl_fragment_program *) shader->Program);
+ }
+ }
+
+ if (ctx->Shader.Flags & GLSL_LOG) {
+ _mesa_write_shader_to_file(shader);
+ }
+
return success;
}
projects / mesa.git / blobdiff