/* slang_assembly */
-static GLboolean slang_assembly_construct (slang_assembly *assem)
+static GLboolean
+slang_assembly_construct(slang_assembly * assem)
{
- assem->type = slang_asm_none;
- return GL_TRUE;
+ assem->type = slang_asm_none;
+ return GL_TRUE;
}
-static GLvoid slang_assembly_destruct (slang_assembly *assem)
+static GLvoid
+slang_assembly_destruct(slang_assembly * assem)
{
}
*/
GLvoid
-_slang_assembly_file_ctr (slang_assembly_file *self)
+_slang_assembly_file_ctr(slang_assembly_file * self)
{
self->code = NULL;
self->count = 0;
self->capacity = 0;
}
-GLvoid slang_assembly_file_destruct (slang_assembly_file *file)
+GLvoid
+slang_assembly_file_destruct(slang_assembly_file * file)
{
- GLuint i;
+ GLuint i;
- for (i = 0; i < file->count; i++)
- slang_assembly_destruct (&file->code[i]);
- slang_alloc_free (file->code);
+ for (i = 0; i < file->count; i++)
+ slang_assembly_destruct(&file->code[i]);
+ slang_alloc_free(file->code);
}
-static GLboolean push_new (slang_assembly_file *file)
+static GLboolean
+push_new(slang_assembly_file * file)
{
- if (file->count == file->capacity)
- {
- GLuint n;
-
- if (file->capacity == 0)
- n = 256;
- else
- n = file->capacity * 2;
- file->code = (slang_assembly *) slang_alloc_realloc (file->code,
- file->capacity * sizeof (slang_assembly), n * sizeof (slang_assembly));
- if (file->code == NULL)
- return GL_FALSE;
- file->capacity = n;
- }
- if (!slang_assembly_construct (&file->code[file->count]))
- return GL_FALSE;
- file->count++;
- return GL_TRUE;
+ if (file->count == file->capacity) {
+ GLuint n;
+
+ if (file->capacity == 0)
+ n = 256;
+ else
+ n = file->capacity * 2;
+ file->code = (slang_assembly *)
+ slang_alloc_realloc(file->code,
+ file->capacity * sizeof(slang_assembly),
+ n * sizeof(slang_assembly));
+ if (file->code == NULL)
+ return GL_FALSE;
+ file->capacity = n;
+ }
+ if (!slang_assembly_construct(&file->code[file->count]))
+ return GL_FALSE;
+ file->count++;
+ return GL_TRUE;
}
-static GLboolean push_gen (slang_assembly_file *file, slang_assembly_type type, GLfloat literal,
- GLuint label, GLuint size)
+static GLboolean
+push_gen(slang_assembly_file * file, slang_assembly_type type,
+ GLfloat literal, GLuint label, GLuint size)
{
- slang_assembly *assem;
-
- if (!push_new (file))
- return GL_FALSE;
- assem = &file->code[file->count - 1];
- assem->type = type;
- assem->literal = literal;
- assem->param[0] = label;
- assem->param[1] = size;
- return GL_TRUE;
+ slang_assembly *assem;
+
+ if (!push_new(file))
+ return GL_FALSE;
+ assem = &file->code[file->count - 1];
+ assem->type = type;
+ assem->literal = literal;
+ assem->param[0] = label;
+ assem->param[1] = size;
+ return GL_TRUE;
}
-GLboolean slang_assembly_file_push (slang_assembly_file *file, slang_assembly_type type)
+GLboolean
+slang_assembly_file_push(slang_assembly_file * file, slang_assembly_type type)
{
- return push_gen (file, type, (GLfloat) 0, 0, 0);
+ return push_gen(file, type, (GLfloat) 0, 0, 0);
}
-GLboolean slang_assembly_file_push_label (slang_assembly_file *file, slang_assembly_type type,
- GLuint label)
+GLboolean
+slang_assembly_file_push_label(slang_assembly_file * file,
+ slang_assembly_type type, GLuint label)
{
- return push_gen (file, type, (GLfloat) 0, label, 0);
+ return push_gen(file, type, (GLfloat) 0, label, 0);
}
-GLboolean slang_assembly_file_push_label2 (slang_assembly_file *file, slang_assembly_type type,
- GLuint label1, GLuint label2)
+GLboolean
+slang_assembly_file_push_label2(slang_assembly_file * file,
+ slang_assembly_type type, GLuint label1,
+ GLuint label2)
{
- return push_gen (file, type, (GLfloat) 0, label1, label2);
+ return push_gen(file, type, (GLfloat) 0, label1, label2);
}
-GLboolean slang_assembly_file_push_literal (slang_assembly_file *file, slang_assembly_type type,
- GLfloat literal)
+GLboolean
+slang_assembly_file_push_literal(slang_assembly_file * file,
+ slang_assembly_type type, GLfloat literal)
{
- return push_gen (file, type, literal, 0, 0);
+ return push_gen(file, type, literal, 0, 0);
}
#define PUSH slang_assembly_file_push
/* slang_assembly_file_restore_point */
-GLboolean slang_assembly_file_restore_point_save (slang_assembly_file *file,
- slang_assembly_file_restore_point *point)
+GLboolean
+slang_assembly_file_restore_point_save(slang_assembly_file * file,
+ slang_assembly_file_restore_point *
+ point)
{
- point->count = file->count;
- return GL_TRUE;
+ point->count = file->count;
+ return GL_TRUE;
}
-GLboolean slang_assembly_file_restore_point_load (slang_assembly_file *file,
- slang_assembly_file_restore_point *point)
+GLboolean
+slang_assembly_file_restore_point_load(slang_assembly_file * file,
+ slang_assembly_file_restore_point *
+ point)
{
- GLuint i;
+ GLuint i;
- for (i = point->count; i < file->count; i++)
- slang_assembly_destruct (&file->code[i]);
- file->count = point->count;
- return GL_TRUE;
+ for (i = point->count; i < file->count; i++)
+ slang_assembly_destruct(&file->code[i]);
+ file->count = point->count;
+ return GL_TRUE;
}
/* utility functions */
-static GLboolean sizeof_variable (slang_assemble_ctx *A, slang_type_specifier *spec,
- slang_type_qualifier qual, GLuint array_len, GLuint *size)
+static GLboolean
+sizeof_variable(slang_assemble_ctx * A, slang_type_specifier * spec,
+ slang_type_qualifier qual, GLuint array_len, GLuint * size)
{
- slang_storage_aggregate agg;
-
- /* calculate the size of the variable's aggregate */
- if (!slang_storage_aggregate_construct (&agg))
- return GL_FALSE;
- if (!_slang_aggregate_variable (&agg, spec, array_len, A->space.funcs, A->space.structs,
- A->space.vars, A->mach, A->file, A->atoms))
- {
- slang_storage_aggregate_destruct (&agg);
- return GL_FALSE;
- }
- *size += _slang_sizeof_aggregate (&agg);
- slang_storage_aggregate_destruct (&agg);
-
- /* for reference variables consider the additional address overhead */
- if (qual == slang_qual_out || qual == slang_qual_inout)
- *size += 4;
-
- return GL_TRUE;
+ slang_storage_aggregate agg;
+
+ /* calculate the size of the variable's aggregate */
+ if (!slang_storage_aggregate_construct(&agg))
+ return GL_FALSE;
+ if (!_slang_aggregate_variable
+ (&agg, spec, array_len, A->space.funcs, A->space.structs,
+ A->space.vars, A->mach, A->file, A->atoms)) {
+ slang_storage_aggregate_destruct(&agg);
+ return GL_FALSE;
+ }
+ *size += _slang_sizeof_aggregate(&agg);
+ slang_storage_aggregate_destruct(&agg);
+
+ /* for reference variables consider the additional address overhead */
+ if (qual == slang_qual_out || qual == slang_qual_inout)
+ *size += 4;
+
+ return GL_TRUE;
}
-static GLboolean sizeof_variable2 (slang_assemble_ctx *A, slang_variable *var, GLuint *size)
+static GLboolean
+sizeof_variable2(slang_assemble_ctx * A, slang_variable * var, GLuint * size)
{
- var->address = *size;
- if (var->type.qualifier == slang_qual_out || var->type.qualifier == slang_qual_inout)
- var->address += 4;
- return sizeof_variable (A, &var->type.specifier, var->type.qualifier, var->array_len, size);
+ var->address = *size;
+ if (var->type.qualifier == slang_qual_out
+ || var->type.qualifier == slang_qual_inout)
+ var->address += 4;
+ return sizeof_variable(A, &var->type.specifier, var->type.qualifier,
+ var->array_len, size);
}
-static GLboolean sizeof_variables (slang_assemble_ctx *A, slang_variable_scope *vars, GLuint start,
- GLuint stop, GLuint *size)
+static GLboolean
+sizeof_variables(slang_assemble_ctx * A, slang_variable_scope * vars,
+ GLuint start, GLuint stop, GLuint * size)
{
- GLuint i;
+ GLuint i;
- for (i = start; i < stop; i++)
- if (!sizeof_variable2 (A, &vars->variables[i], size))
- return GL_FALSE;
- return GL_TRUE;
+ for (i = start; i < stop; i++)
+ if (!sizeof_variable2(A, &vars->variables[i], size))
+ return GL_FALSE;
+ return GL_TRUE;
}
-static GLboolean collect_locals (slang_assemble_ctx *A, slang_operation *op, GLuint *size)
+static GLboolean
+collect_locals(slang_assemble_ctx * A, slang_operation * op, GLuint * size)
{
- GLuint i;
-
- if (!sizeof_variables (A, op->locals, 0, op->locals->num_variables, size))
- return GL_FALSE;
- for (i = 0; i < op->num_children; i++)
- if (!collect_locals (A, &op->children[i], size))
- return GL_FALSE;
- return GL_TRUE;
+ GLuint i;
+
+ if (!sizeof_variables(A, op->locals, 0, op->locals->num_variables, size))
+ return GL_FALSE;
+ for (i = 0; i < op->num_children; i++)
+ if (!collect_locals(A, &op->children[i], size))
+ return GL_FALSE;
+ return GL_TRUE;
}
/* _slang_locate_function() */
-slang_function *_slang_locate_function (slang_function_scope *funcs, slang_atom a_name,
- slang_operation *params, GLuint num_params, slang_assembly_name_space *space,
- slang_atom_pool *atoms)
+slang_function *
+_slang_locate_function(slang_function_scope * funcs, slang_atom a_name,
+ slang_operation * params, GLuint num_params,
+ slang_assembly_name_space * space,
+ slang_atom_pool * atoms)
{
- GLuint i;
-
- for (i = 0; i < funcs->num_functions; i++)
- {
- GLuint j;
- slang_function *f = &funcs->functions[i];
-
- if (a_name != f->header.a_name)
- continue;
- if (f->param_count != num_params)
- continue;
- for (j = 0; j < num_params; j++)
- {
- slang_assembly_typeinfo ti;
-
- if (!slang_assembly_typeinfo_construct (&ti))
- return NULL;
- if (!_slang_typeof_operation_ (¶ms[j], space, &ti, atoms))
- {
- slang_assembly_typeinfo_destruct (&ti);
- return NULL;
- }
- if (!slang_type_specifier_equal (&ti.spec, &f->parameters->variables[j].type.specifier))
- {
- slang_assembly_typeinfo_destruct (&ti);
- break;
- }
- slang_assembly_typeinfo_destruct (&ti);
-
- /* "out" and "inout" formal parameter requires the actual parameter to be l-value */
- if (!ti.can_be_referenced &&
- (f->parameters->variables[j].type.qualifier == slang_qual_out ||
- f->parameters->variables[j].type.qualifier == slang_qual_inout))
- break;
- }
- if (j == num_params)
- return f;
- }
- if (funcs->outer_scope != NULL)
- return _slang_locate_function (funcs->outer_scope, a_name, params, num_params, space, atoms);
- return NULL;
+ GLuint i;
+
+ for (i = 0; i < funcs->num_functions; i++) {
+ GLuint j;
+ slang_function *f = &funcs->functions[i];
+
+ if (a_name != f->header.a_name)
+ continue;
+ if (f->param_count != num_params)
+ continue;
+ for (j = 0; j < num_params; j++) {
+ slang_assembly_typeinfo ti;
+
+ if (!slang_assembly_typeinfo_construct(&ti))
+ return NULL;
+ if (!_slang_typeof_operation_(¶ms[j], space, &ti, atoms)) {
+ slang_assembly_typeinfo_destruct(&ti);
+ return NULL;
+ }
+ if (!slang_type_specifier_equal
+ (&ti.spec, &f->parameters->variables[j].type.specifier)) {
+ slang_assembly_typeinfo_destruct(&ti);
+ break;
+ }
+ slang_assembly_typeinfo_destruct(&ti);
+
+ /* "out" and "inout" formal parameter requires the actual parameter to be l-value */
+ if (!ti.can_be_referenced &&
+ (f->parameters->variables[j].type.qualifier == slang_qual_out ||
+ f->parameters->variables[j].type.qualifier == slang_qual_inout))
+ break;
+ }
+ if (j == num_params)
+ return f;
+ }
+ if (funcs->outer_scope != NULL)
+ return _slang_locate_function(funcs->outer_scope, a_name, params,
+ num_params, space, atoms);
+ return NULL;
}
/* _slang_assemble_function() */
-GLboolean _slang_assemble_function (slang_assemble_ctx *A, slang_function *fun)
+GLboolean
+_slang_assemble_function(slang_assemble_ctx * A, slang_function * fun)
{
- GLuint param_size, local_size;
- GLuint skip, cleanup;
-
- fun->address = A->file->count;
-
- if (fun->body == NULL)
- {
- /* jump to the actual function body - we do not know it, so add the instruction
- * to fixup table */
- fun->fixups.table = (GLuint *) slang_alloc_realloc (fun->fixups.table,
- fun->fixups.count * sizeof (GLuint), (fun->fixups.count + 1) * sizeof (GLuint));
- if (fun->fixups.table == NULL)
- return GL_FALSE;
- fun->fixups.table[fun->fixups.count] = fun->address;
- fun->fixups.count++;
- if (!PUSH (A->file, slang_asm_jump))
- return GL_FALSE;
- return GL_TRUE;
- }
- else
- {
- GLuint i;
-
- /* resolve all fixup table entries and delete it */
- for (i = 0; i < fun->fixups.count; i++)
- A->file->code[fun->fixups.table[i]].param[0] = fun->address;
- slang_fixup_table_free (&fun->fixups);
- }
-
- /* At this point traverse function formal parameters and code to calculate
- * total memory size to be allocated on the stack.
- * During this process the variables will be assigned local addresses to
- * reference them in the code.
- * No storage optimizations are performed so exclusive scopes are not detected and shared. */
-
- /* calculate return value size */
- param_size = 0;
- if (fun->header.type.specifier.type != slang_spec_void)
- if (!sizeof_variable (A, &fun->header.type.specifier, slang_qual_none, 0, ¶m_size))
- return GL_FALSE;
- A->local.ret_size = param_size;
-
- /* calculate formal parameter list size */
- if (!sizeof_variables (A, fun->parameters, 0, fun->param_count, ¶m_size))
- return GL_FALSE;
-
- /* calculate local variables size - take into account the four-byte return address and
- * temporaries for various tasks (4 for addr and 16 for swizzle temporaries).
- * these include variables from the formal parameter scope and from the code */
- A->local.addr_tmp = param_size + 4;
- A->local.swizzle_tmp = param_size + 4 + 4;
- local_size = param_size + 4 + 4 + 16;
- if (!sizeof_variables (A, fun->parameters, fun->param_count, fun->parameters->num_variables,
- &local_size))
- return GL_FALSE;
- if (!collect_locals (A, fun->body, &local_size))
- return GL_FALSE;
-
- /* allocate local variable storage */
- if (!PLAB (A->file, slang_asm_local_alloc, local_size - param_size - 4))
- return GL_FALSE;
-
- /* mark a new frame for function variable storage */
- if (!PLAB (A->file, slang_asm_enter, local_size))
- return GL_FALSE;
-
- /* jump directly to the actual code */
- skip = A->file->count;
- if (!push_new (A->file))
- return GL_FALSE;
- A->file->code[skip].type = slang_asm_jump;
-
- /* all "return" statements will be directed here */
- A->flow.function_end = A->file->count;
- cleanup = A->file->count;
- if (!push_new (A->file))
- return GL_FALSE;
- A->file->code[cleanup].type = slang_asm_jump;
-
- /* execute the function body */
- A->file->code[skip].param[0] = A->file->count;
- if (!_slang_assemble_operation (A, fun->body, /*slang_ref_freelance*/slang_ref_forbid))
- return GL_FALSE;
-
- /* this is the end of the function - restore the old function frame */
- A->file->code[cleanup].param[0] = A->file->count;
- if (!PUSH (A->file, slang_asm_leave))
- return GL_FALSE;
-
- /* free local variable storage */
- if (!PLAB (A->file, slang_asm_local_free, local_size - param_size - 4))
- return GL_FALSE;
-
- /* return from the function */
- if (!PUSH (A->file, slang_asm_return))
- return GL_FALSE;
-
- return GL_TRUE;
+ GLuint param_size, local_size;
+ GLuint skip, cleanup;
+
+ fun->address = A->file->count;
+
+ if (fun->body == NULL) {
+ /* jump to the actual function body - we do not know it, so add the instruction
+ * to fixup table */
+ fun->fixups.table = (GLuint *)
+ slang_alloc_realloc(fun->fixups.table,
+ fun->fixups.count * sizeof(GLuint),
+ (fun->fixups.count + 1) * sizeof(GLuint));
+ if (fun->fixups.table == NULL)
+ return GL_FALSE;
+ fun->fixups.table[fun->fixups.count] = fun->address;
+ fun->fixups.count++;
+ if (!PUSH(A->file, slang_asm_jump))
+ return GL_FALSE;
+ return GL_TRUE;
+ }
+ else {
+ GLuint i;
+
+ /* resolve all fixup table entries and delete it */
+ for (i = 0; i < fun->fixups.count; i++)
+ A->file->code[fun->fixups.table[i]].param[0] = fun->address;
+ slang_fixup_table_free(&fun->fixups);
+ }
+
+ /* At this point traverse function formal parameters and code to calculate
+ * total memory size to be allocated on the stack.
+ * During this process the variables will be assigned local addresses to
+ * reference them in the code.
+ * No storage optimizations are performed so exclusive scopes are not
+ * detected and shared.
+ */
+
+ /* calculate return value size */
+ param_size = 0;
+ if (fun->header.type.specifier.type != slang_spec_void)
+ if (!sizeof_variable
+ (A, &fun->header.type.specifier, slang_qual_none, 0, ¶m_size))
+ return GL_FALSE;
+ A->local.ret_size = param_size;
+
+ /* calculate formal parameter list size */
+ if (!sizeof_variables
+ (A, fun->parameters, 0, fun->param_count, ¶m_size))
+ return GL_FALSE;
+
+ /* calculate local variables size - take into account the four-byte
+ * return address and temporaries for various tasks (4 for addr and
+ * 16 for swizzle temporaries). these include variables from the
+ * formal parameter scope and from the code
+ */
+ A->local.addr_tmp = param_size + 4;
+ A->local.swizzle_tmp = param_size + 4 + 4;
+ local_size = param_size + 4 + 4 + 16;
+ if (!sizeof_variables
+ (A, fun->parameters, fun->param_count, fun->parameters->num_variables,
+ &local_size))
+ return GL_FALSE;
+ if (!collect_locals(A, fun->body, &local_size))
+ return GL_FALSE;
+
+ /* allocate local variable storage */
+ if (!PLAB(A->file, slang_asm_local_alloc, local_size - param_size - 4))
+ return GL_FALSE;
+
+ /* mark a new frame for function variable storage */
+ if (!PLAB(A->file, slang_asm_enter, local_size))
+ return GL_FALSE;
+
+ /* jump directly to the actual code */
+ skip = A->file->count;
+ if (!push_new(A->file))
+ return GL_FALSE;
+ A->file->code[skip].type = slang_asm_jump;
+
+ /* all "return" statements will be directed here */
+ A->flow.function_end = A->file->count;
+ cleanup = A->file->count;
+ if (!push_new(A->file))
+ return GL_FALSE;
+ A->file->code[cleanup].type = slang_asm_jump;
+
+ /* execute the function body */
+ A->file->code[skip].param[0] = A->file->count;
+ if (!_slang_assemble_operation
+ (A, fun->body, /*slang_ref_freelance */ slang_ref_forbid))
+ return GL_FALSE;
+
+ /* this is the end of the function - restore the old function frame */
+ A->file->code[cleanup].param[0] = A->file->count;
+ if (!PUSH(A->file, slang_asm_leave))
+ return GL_FALSE;
+
+ /* free local variable storage */
+ if (!PLAB(A->file, slang_asm_local_free, local_size - param_size - 4))
+ return GL_FALSE;
+
+ /* return from the function */
+ if (!PUSH(A->file, slang_asm_return))
+ return GL_FALSE;
+
+ return GL_TRUE;
}
-GLboolean _slang_cleanup_stack (slang_assemble_ctx *A, slang_operation *op)
+GLboolean
+_slang_cleanup_stack(slang_assemble_ctx * A, slang_operation * op)
{
- slang_assembly_typeinfo ti;
- GLuint size = 0;
-
- /* get type info of the operation and calculate its size */
- if (!slang_assembly_typeinfo_construct (&ti))
- return GL_FALSE;
- if (!_slang_typeof_operation (A, op, &ti))
- {
- slang_assembly_typeinfo_destruct (&ti);
- return GL_FALSE;
- }
- if (ti.spec.type != slang_spec_void) {
- if (A->ref == slang_ref_force) {
- size = 4;
- }
- else if (!sizeof_variable (A, &ti.spec, slang_qual_none, 0, &size))
- {
- slang_assembly_typeinfo_destruct (&ti);
- return GL_FALSE;
- }
- }
- slang_assembly_typeinfo_destruct (&ti);
-
- /* if nonzero, free it from the stack */
- if (size != 0)
- {
- if (!PLAB (A->file, slang_asm_local_free, size))
- return GL_FALSE;
- }
-
- return GL_TRUE;
+ slang_assembly_typeinfo ti;
+ GLuint size = 0;
+
+ /* get type info of the operation and calculate its size */
+ if (!slang_assembly_typeinfo_construct(&ti))
+ return GL_FALSE;
+ if (!_slang_typeof_operation(A, op, &ti)) {
+ slang_assembly_typeinfo_destruct(&ti);
+ return GL_FALSE;
+ }
+ if (ti.spec.type != slang_spec_void) {
+ if (A->ref == slang_ref_force) {
+ size = 4;
+ }
+ else if (!sizeof_variable(A, &ti.spec, slang_qual_none, 0, &size)) {
+ slang_assembly_typeinfo_destruct(&ti);
+ return GL_FALSE;
+ }
+ }
+ slang_assembly_typeinfo_destruct(&ti);
+
+ /* if nonzero, free it from the stack */
+ if (size != 0) {
+ if (!PLAB(A->file, slang_asm_local_free, size))
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
}
/* _slang_assemble_operation() */
static GLboolean
-dereference_basic (slang_assemble_ctx *A, slang_storage_type type, GLuint *size, slang_swizzle *swz,
- GLboolean is_swizzled)
+dereference_basic(slang_assemble_ctx * A, slang_storage_type type,
+ GLuint * size, slang_swizzle * swz, GLboolean is_swizzled)
{
GLuint src_offset;
slang_assembly_type ty;
- *size -= _slang_sizeof_type (type);
+ *size -= _slang_sizeof_type(type);
- /* If swizzling is taking place, we are forced to use scalar operations, even if we have
- * vec4 instructions enabled (this should be actually done with special vec4 shuffle
- * instructions).
- * Adjust the size and calculate the offset within source variable to read.
+ /* If swizzling is taking place, we are forced to use scalar
+ * operations, even if we have vec4 instructions enabled (this
+ * should be actually done with special vec4 shuffle instructions).
+ * Adjust the size and calculate the offset within source variable
+ * to read.
*/
if (is_swizzled)
src_offset = swz->swizzle[*size / 4] * 4;
src_offset = *size;
/* dereference data slot of a basic type */
- if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
+ if (!PLAB2(A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_deref))
+ if (!PUSH(A->file, slang_asm_addr_deref))
return GL_FALSE;
if (src_offset != 0) {
- if (!PLAB (A->file, slang_asm_addr_push, src_offset))
+ if (!PLAB(A->file, slang_asm_addr_push, src_offset))
return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_add))
+ if (!PUSH(A->file, slang_asm_addr_add))
return GL_FALSE;
}
ty = slang_asm_none;
}
- return PUSH (A->file, ty);
+ return PUSH(A->file, ty);
}
static GLboolean
-dereference_aggregate (slang_assemble_ctx *A, const slang_storage_aggregate *agg, GLuint *size,
- slang_swizzle *swz, GLboolean is_swizzled)
+dereference_aggregate(slang_assemble_ctx * A,
+ const slang_storage_aggregate * agg, GLuint * size,
+ slang_swizzle * swz, GLboolean is_swizzled)
{
GLuint i;
for (j = arr->length; j > 0; j--) {
if (arr->type == slang_stor_aggregate) {
- if (!dereference_aggregate (A, arr->aggregate, size, swz, is_swizzled))
+ if (!dereference_aggregate
+ (A, arr->aggregate, size, swz, is_swizzled))
return GL_FALSE;
}
else {
if (is_swizzled && arr->type == slang_stor_vec4) {
- if (!dereference_basic (A, slang_stor_float, size, swz, is_swizzled))
+ if (!dereference_basic
+ (A, slang_stor_float, size, swz, is_swizzled))
return GL_FALSE;
- if (!dereference_basic (A, slang_stor_float, size, swz, is_swizzled))
+ if (!dereference_basic
+ (A, slang_stor_float, size, swz, is_swizzled))
return GL_FALSE;
- if (!dereference_basic (A, slang_stor_float, size, swz, is_swizzled))
+ if (!dereference_basic
+ (A, slang_stor_float, size, swz, is_swizzled))
return GL_FALSE;
- if (!dereference_basic (A, slang_stor_float, size, swz, is_swizzled))
+ if (!dereference_basic
+ (A, slang_stor_float, size, swz, is_swizzled))
return GL_FALSE;
}
else {
- if (!dereference_basic (A, arr->type, size, swz, is_swizzled))
+ if (!dereference_basic(A, arr->type, size, swz, is_swizzled))
return GL_FALSE;
}
}
return GL_TRUE;
}
-GLboolean _slang_dereference (slang_assemble_ctx *A, slang_operation *op)
+GLboolean
+_slang_dereference(slang_assemble_ctx * A, slang_operation * op)
{
- slang_assembly_typeinfo ti;
- GLboolean result = GL_FALSE;
- slang_storage_aggregate agg;
- GLuint size;
-
- /* get type information of the given operation */
- if (!slang_assembly_typeinfo_construct (&ti))
- return GL_FALSE;
- if (!_slang_typeof_operation (A, op, &ti))
- goto end1;
-
- /* construct aggregate from the type info */
- if (!slang_storage_aggregate_construct (&agg))
- goto end1;
- if (!_slang_aggregate_variable (&agg, &ti.spec, ti.array_len, A->space.funcs, A->space.structs,
- A->space.vars, A->mach, A->file, A->atoms))
- goto end;
-
- /* dereference the resulting aggregate */
- size = _slang_sizeof_aggregate (&agg);
- result = dereference_aggregate (A, &agg, &size, &ti.swz, ti.is_swizzled);
-
-end:
- slang_storage_aggregate_destruct (&agg);
-end1:
- slang_assembly_typeinfo_destruct (&ti);
- return result;
+ slang_assembly_typeinfo ti;
+ GLboolean result = GL_FALSE;
+ slang_storage_aggregate agg;
+ GLuint size;
+
+ /* get type information of the given operation */
+ if (!slang_assembly_typeinfo_construct(&ti))
+ return GL_FALSE;
+ if (!_slang_typeof_operation(A, op, &ti))
+ goto end1;
+
+ /* construct aggregate from the type info */
+ if (!slang_storage_aggregate_construct(&agg))
+ goto end1;
+ if (!_slang_aggregate_variable
+ (&agg, &ti.spec, ti.array_len, A->space.funcs, A->space.structs,
+ A->space.vars, A->mach, A->file, A->atoms))
+ goto end;
+
+ /* dereference the resulting aggregate */
+ size = _slang_sizeof_aggregate(&agg);
+ result = dereference_aggregate(A, &agg, &size, &ti.swz, ti.is_swizzled);
+
+ end:
+ slang_storage_aggregate_destruct(&agg);
+ end1:
+ slang_assembly_typeinfo_destruct(&ti);
+ return result;
}
-GLboolean _slang_assemble_function_call (slang_assemble_ctx *A, slang_function *fun,
- slang_operation *params, GLuint param_count, GLboolean assignment)
+GLboolean
+_slang_assemble_function_call(slang_assemble_ctx * A, slang_function * fun,
+ slang_operation * params, GLuint param_count,
+ GLboolean assignment)
{
- GLuint i;
- slang_swizzle p_swz[64];
- slang_ref_type p_ref[64];
-
- /* TODO: fix this, allocate dynamically */
- if (param_count > 64)
- return GL_FALSE;
-
- /* make room for the return value, if any */
- if (fun->header.type.specifier.type != slang_spec_void)
- {
- GLuint ret_size = 0;
-
- if (!sizeof_variable (A, &fun->header.type.specifier, slang_qual_none, 0, &ret_size))
- return GL_FALSE;
- if (!PLAB (A->file, slang_asm_local_alloc, ret_size))
- return GL_FALSE;
- }
-
- /* push the actual parameters on the stack */
- for (i = 0; i < param_count; i++)
- {
- if (fun->parameters->variables[i].type.qualifier == slang_qual_inout ||
- fun->parameters->variables[i].type.qualifier == slang_qual_out)
- {
- if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
- return GL_FALSE;
- /* TODO: optimize the "out" parameter case */
- if (!_slang_assemble_operation (A, ¶ms[i], slang_ref_force))
- return GL_FALSE;
- p_swz[i] = A->swz;
- p_ref[i] = A->ref;
- if (!PUSH (A->file, slang_asm_addr_copy))
- return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_deref))
- return GL_FALSE;
- if (i == 0 && assignment)
- {
- /* duplicate the resulting address */
- if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
- return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_deref))
- return GL_FALSE;
- }
- if (!_slang_dereference (A, ¶ms[i]))
- return GL_FALSE;
- }
- else
- {
- if (!_slang_assemble_operation (A, ¶ms[i], slang_ref_forbid))
- return GL_FALSE;
- p_swz[i] = A->swz;
- p_ref[i] = A->ref;
- }
- }
-
- /* call the function */
- if (!PLAB (A->file, slang_asm_call, fun->address))
- return GL_FALSE;
-
- /* pop the parameters from the stack */
- for (i = param_count; i > 0; i--)
- {
- GLuint j = i - 1;
-
- A->swz = p_swz[j];
- A->ref = p_ref[j];
- if (fun->parameters->variables[j].type.qualifier == slang_qual_inout ||
- fun->parameters->variables[j].type.qualifier == slang_qual_out)
- {
- /* for output parameter copy the contents of the formal parameter
- * back to the original actual parameter */
- if (!_slang_assemble_assignment (A, ¶ms[j]))
- return GL_FALSE;
- /* pop the actual parameter's address */
- if (!PLAB (A->file, slang_asm_local_free, 4))
- return GL_FALSE;
- }
- else
- {
- /* pop the value of the parameter */
- if (!_slang_cleanup_stack (A, ¶ms[j]))
- return GL_FALSE;
- }
- }
-
- return GL_TRUE;
+ GLuint i;
+ slang_swizzle p_swz[64];
+ slang_ref_type p_ref[64];
+
+ /* TODO: fix this, allocate dynamically */
+ if (param_count > 64)
+ return GL_FALSE;
+
+ /* make room for the return value, if any */
+ if (fun->header.type.specifier.type != slang_spec_void) {
+ GLuint ret_size = 0;
+
+ if (!sizeof_variable
+ (A, &fun->header.type.specifier, slang_qual_none, 0, &ret_size))
+ return GL_FALSE;
+ if (!PLAB(A->file, slang_asm_local_alloc, ret_size))
+ return GL_FALSE;
+ }
+
+ /* push the actual parameters on the stack */
+ for (i = 0; i < param_count; i++) {
+ if (fun->parameters->variables[i].type.qualifier == slang_qual_inout ||
+ fun->parameters->variables[i].type.qualifier == slang_qual_out) {
+ if (!PLAB2(A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
+ return GL_FALSE;
+ /* TODO: optimize the "out" parameter case */
+ if (!_slang_assemble_operation(A, ¶ms[i], slang_ref_force))
+ return GL_FALSE;
+ p_swz[i] = A->swz;
+ p_ref[i] = A->ref;
+ if (!PUSH(A->file, slang_asm_addr_copy))
+ return GL_FALSE;
+ if (!PUSH(A->file, slang_asm_addr_deref))
+ return GL_FALSE;
+ if (i == 0 && assignment) {
+ /* duplicate the resulting address */
+ if (!PLAB2(A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
+ return GL_FALSE;
+ if (!PUSH(A->file, slang_asm_addr_deref))
+ return GL_FALSE;
+ }
+ if (!_slang_dereference(A, ¶ms[i]))
+ return GL_FALSE;
+ }
+ else {
+ if (!_slang_assemble_operation(A, ¶ms[i], slang_ref_forbid))
+ return GL_FALSE;
+ p_swz[i] = A->swz;
+ p_ref[i] = A->ref;
+ }
+ }
+
+ /* call the function */
+ if (!PLAB(A->file, slang_asm_call, fun->address))
+ return GL_FALSE;
+
+ /* pop the parameters from the stack */
+ for (i = param_count; i > 0; i--) {
+ GLuint j = i - 1;
+
+ A->swz = p_swz[j];
+ A->ref = p_ref[j];
+ if (fun->parameters->variables[j].type.qualifier == slang_qual_inout ||
+ fun->parameters->variables[j].type.qualifier == slang_qual_out) {
+ /* for output parameter copy the contents of the formal parameter
+ * back to the original actual parameter
+ */
+ if (!_slang_assemble_assignment(A, ¶ms[j]))
+ return GL_FALSE;
+ /* pop the actual parameter's address */
+ if (!PLAB(A->file, slang_asm_local_free, 4))
+ return GL_FALSE;
+ }
+ else {
+ /* pop the value of the parameter */
+ if (!_slang_cleanup_stack(A, ¶ms[j]))
+ return GL_FALSE;
+ }
+ }
+
+ return GL_TRUE;
}
-GLboolean _slang_assemble_function_call_name (slang_assemble_ctx *A, const char *name,
- slang_operation *params, GLuint param_count, GLboolean assignment)
+GLboolean
+_slang_assemble_function_call_name(slang_assemble_ctx * A, const char *name,
+ slang_operation * params,
+ GLuint param_count, GLboolean assignment)
{
- slang_atom atom;
- slang_function *fun;
-
- atom = slang_atom_pool_atom (A->atoms, name);
- if (atom == SLANG_ATOM_NULL)
- return GL_FALSE;
- fun = _slang_locate_function (A->space.funcs, atom, params, param_count, &A->space, A->atoms);
- if (fun == NULL)
- return GL_FALSE;
- return _slang_assemble_function_call (A, fun, params, param_count, assignment);
+ slang_atom atom;
+ slang_function *fun;
+
+ atom = slang_atom_pool_atom(A->atoms, name);
+ if (atom == SLANG_ATOM_NULL)
+ return GL_FALSE;
+ fun =
+ _slang_locate_function(A->space.funcs, atom, params, param_count,
+ &A->space, A->atoms);
+ if (fun == NULL)
+ return GL_FALSE;
+ return _slang_assemble_function_call(A, fun, params, param_count,
+ assignment);
}
-static GLboolean assemble_function_call_name_dummyint (slang_assemble_ctx *A, const char *name,
- slang_operation *params)
+static GLboolean
+assemble_function_call_name_dummyint(slang_assemble_ctx * A, const char *name,
+ slang_operation * params)
{
- slang_operation p[2];
- GLboolean result;
-
- p[0] = params[0];
- if (!slang_operation_construct (&p[1]))
- return GL_FALSE;
- p[1].type = slang_oper_literal_int;
- result = _slang_assemble_function_call_name (A, name, p, 2, GL_FALSE);
- slang_operation_destruct (&p[1]);
- return result;
+ slang_operation p[2];
+ GLboolean result;
+
+ p[0] = params[0];
+ if (!slang_operation_construct(&p[1]))
+ return GL_FALSE;
+ p[1].type = slang_oper_literal_int;
+ result = _slang_assemble_function_call_name(A, name, p, 2, GL_FALSE);
+ slang_operation_destruct(&p[1]);
+ return result;
}
static const struct
{
- const char *name;
- slang_assembly_type code1, code2;
+ const char *name;
+ slang_assembly_type code1, code2;
} inst[] = {
- /* core */
- { "float_add", slang_asm_float_add, slang_asm_float_copy },
- { "float_multiply", slang_asm_float_multiply, slang_asm_float_copy },
- { "float_divide", slang_asm_float_divide, slang_asm_float_copy },
- { "float_negate", slang_asm_float_negate, slang_asm_float_copy },
- { "float_less", slang_asm_float_less, slang_asm_bool_copy },
- { "float_equal", slang_asm_float_equal_exp,slang_asm_bool_copy },
- { "float_to_int", slang_asm_float_to_int, slang_asm_int_copy },
- { "float_sine", slang_asm_float_sine, slang_asm_float_copy },
- { "float_arcsine", slang_asm_float_arcsine, slang_asm_float_copy },
- { "float_arctan", slang_asm_float_arctan, slang_asm_float_copy },
- { "float_power", slang_asm_float_power, slang_asm_float_copy },
- { "float_log2", slang_asm_float_log2, slang_asm_float_copy },
- { "float_floor", slang_asm_float_floor, slang_asm_float_copy },
- { "float_ceil", slang_asm_float_ceil, slang_asm_float_copy },
- { "float_noise1", slang_asm_float_noise1, slang_asm_float_copy },
- { "float_noise2", slang_asm_float_noise2, slang_asm_float_copy },
- { "float_noise3", slang_asm_float_noise3, slang_asm_float_copy },
- { "float_noise4", slang_asm_float_noise4, slang_asm_float_copy },
- { "int_to_float", slang_asm_int_to_float, slang_asm_float_copy },
- { "vec4_tex1d", slang_asm_vec4_tex1d, slang_asm_none },
- { "vec4_tex2d", slang_asm_vec4_tex2d, slang_asm_none },
- { "vec4_tex3d", slang_asm_vec4_tex3d, slang_asm_none },
- { "vec4_texcube", slang_asm_vec4_texcube, slang_asm_none },
- { "vec4_shad1d", slang_asm_vec4_shad1d, slang_asm_none },
- { "vec4_shad2d", slang_asm_vec4_shad2d, slang_asm_none },
- /* GL_MESA_shader_debug */
- { "float_print", slang_asm_float_deref, slang_asm_float_print },
- { "int_print", slang_asm_int_deref, slang_asm_int_print },
- { "bool_print", slang_asm_bool_deref, slang_asm_bool_print },
+ /* core */
+ {"float_add", slang_asm_float_add, slang_asm_float_copy},
+ {"float_multiply", slang_asm_float_multiply, slang_asm_float_copy},
+ {"float_divide", slang_asm_float_divide, slang_asm_float_copy},
+ {"float_negate", slang_asm_float_negate, slang_asm_float_copy},
+ {"float_less", slang_asm_float_less, slang_asm_bool_copy},
+ {"float_equal", slang_asm_float_equal_exp, slang_asm_bool_copy},
+ {"float_to_int", slang_asm_float_to_int, slang_asm_int_copy},
+ {"float_sine", slang_asm_float_sine, slang_asm_float_copy},
+ {"float_arcsine", slang_asm_float_arcsine, slang_asm_float_copy},
+ {"float_arctan", slang_asm_float_arctan, slang_asm_float_copy},
+ {"float_power", slang_asm_float_power, slang_asm_float_copy},
+ {"float_log2", slang_asm_float_log2, slang_asm_float_copy},
+ {"float_floor", slang_asm_float_floor, slang_asm_float_copy},
+ {"float_ceil", slang_asm_float_ceil, slang_asm_float_copy},
+ {"float_noise1", slang_asm_float_noise1, slang_asm_float_copy},
+ {"float_noise2", slang_asm_float_noise2, slang_asm_float_copy},
+ {"float_noise3", slang_asm_float_noise3, slang_asm_float_copy},
+ {"float_noise4", slang_asm_float_noise4, slang_asm_float_copy},
+ {"int_to_float", slang_asm_int_to_float, slang_asm_float_copy},
+ {"vec4_tex1d", slang_asm_vec4_tex1d, slang_asm_none},
+ {"vec4_tex2d", slang_asm_vec4_tex2d, slang_asm_none},
+ {"vec4_tex3d", slang_asm_vec4_tex3d, slang_asm_none},
+ {"vec4_texcube", slang_asm_vec4_texcube, slang_asm_none},
+ {"vec4_shad1d", slang_asm_vec4_shad1d, slang_asm_none},
+ {"vec4_shad2d", slang_asm_vec4_shad2d, slang_asm_none},
+ /* GL_MESA_shader_debug */
+ {"float_print", slang_asm_float_deref, slang_asm_float_print},
+ {"int_print", slang_asm_int_deref, slang_asm_int_print},
+ {"bool_print", slang_asm_bool_deref, slang_asm_bool_print},
/* vec4 */
- { "float_to_vec4", slang_asm_float_to_vec4, slang_asm_none },
- { "vec4_add", slang_asm_vec4_add, slang_asm_none },
- { "vec4_subtract", slang_asm_vec4_subtract, slang_asm_none },
- { "vec4_multiply", slang_asm_vec4_multiply, slang_asm_none },
- { "vec4_divide", slang_asm_vec4_divide, slang_asm_none },
- { "vec4_negate", slang_asm_vec4_negate, slang_asm_none },
- { "vec4_dot", slang_asm_vec4_dot, slang_asm_none },
-
- { NULL, slang_asm_none, slang_asm_none }
+ {"float_to_vec4", slang_asm_float_to_vec4, slang_asm_none},
+ {"vec4_add", slang_asm_vec4_add, slang_asm_none},
+ {"vec4_subtract", slang_asm_vec4_subtract, slang_asm_none},
+ {"vec4_multiply", slang_asm_vec4_multiply, slang_asm_none},
+ {"vec4_divide", slang_asm_vec4_divide, slang_asm_none},
+ {"vec4_negate", slang_asm_vec4_negate, slang_asm_none},
+ {"vec4_dot", slang_asm_vec4_dot, slang_asm_none},
+ {NULL, slang_asm_none, slang_asm_none}
};
-static GLboolean call_asm_instruction (slang_assemble_ctx *A, slang_atom a_name)
+static GLboolean
+call_asm_instruction(slang_assemble_ctx * A, slang_atom a_name)
{
- const char *id;
- GLuint i;
+ const char *id;
+ GLuint i;
- id = slang_atom_pool_id (A->atoms, a_name);
+ id = slang_atom_pool_id(A->atoms, a_name);
- for (i = 0; inst[i].name != NULL; i++)
- if (slang_string_compare (id, inst[i].name) == 0)
- break;
- if (inst[i].name == NULL)
- return GL_FALSE;
+ for (i = 0; inst[i].name != NULL; i++)
+ if (slang_string_compare(id, inst[i].name) == 0)
+ break;
+ if (inst[i].name == NULL)
+ return GL_FALSE;
- if (!PLAB2 (A->file, inst[i].code1, 4, 0))
- return GL_FALSE;
- if (inst[i].code2 != slang_asm_none)
- if (!PLAB2 (A->file, inst[i].code2, 4, 0))
- return GL_FALSE;
+ if (!PLAB2(A->file, inst[i].code1, 4, 0))
+ return GL_FALSE;
+ if (inst[i].code2 != slang_asm_none)
+ if (!PLAB2(A->file, inst[i].code2, 4, 0))
+ return GL_FALSE;
- /* clean-up the stack from the remaining dst address */
- if (!PLAB (A->file, slang_asm_local_free, 4))
- return GL_FALSE;
+ /* clean-up the stack from the remaining dst address */
+ if (!PLAB(A->file, slang_asm_local_free, 4))
+ return GL_FALSE;
- return GL_TRUE;
+ return GL_TRUE;
}
static GLboolean
-equality_aggregate (slang_assemble_ctx *A, const slang_storage_aggregate *agg, GLuint *index,
- GLuint size, GLuint z_label)
+equality_aggregate(slang_assemble_ctx * A,
+ const slang_storage_aggregate * agg, GLuint * index,
+ GLuint size, GLuint z_label)
{
GLuint i;
for (j = 0; j < arr->length; j++) {
if (arr->type == slang_stor_aggregate) {
- if (!equality_aggregate (A, arr->aggregate, index, size, z_label))
+ if (!equality_aggregate(A, arr->aggregate, index, size, z_label))
return GL_FALSE;
}
else {
#if defined(USE_X86_ASM) || defined(SLANG_X86)
if (arr->type == slang_stor_vec4) {
- if (!PLAB2 (A->file, slang_asm_vec4_equal_int, size + *index, *index))
+ if (!PLAB2
+ (A->file, slang_asm_vec4_equal_int, size + *index, *index))
return GL_FALSE;
}
else
#endif
- if (!PLAB2 (A->file, slang_asm_float_equal_int, size + *index, *index))
- return GL_FALSE;
+ if (!PLAB2
+ (A->file, slang_asm_float_equal_int, size + *index,
+ *index))
+ return GL_FALSE;
- *index += _slang_sizeof_type (arr->type);
- if (!PLAB (A->file, slang_asm_jump_if_zero, z_label))
+ *index += _slang_sizeof_type(arr->type);
+ if (!PLAB(A->file, slang_asm_jump_if_zero, z_label))
return GL_FALSE;
}
}
return GL_TRUE;
}
-static GLboolean equality (slang_assemble_ctx *A, slang_operation *op, GLboolean equal)
+static GLboolean
+equality(slang_assemble_ctx * A, slang_operation * op, GLboolean equal)
{
- slang_assembly_typeinfo ti;
- GLboolean result = GL_FALSE;
- slang_storage_aggregate agg;
- GLuint index, size;
- GLuint skip_jump, true_label, true_jump, false_label, false_jump;
-
- /* get type of operation */
- if (!slang_assembly_typeinfo_construct (&ti))
- return GL_FALSE;
- if (!_slang_typeof_operation (A, op, &ti))
- goto end1;
-
- /* convert it to an aggregate */
- if (!slang_storage_aggregate_construct (&agg))
- goto end1;
- if (!_slang_aggregate_variable (&agg, &ti.spec, 0, A->space.funcs, A->space.structs,
- A->space.vars, A->mach, A->file, A->atoms))
- goto end;
-
- /* compute the size of the agregate - there are two such aggregates on the stack */
- size = _slang_sizeof_aggregate (&agg);
-
- /* jump to the actual data-comparison code */
- skip_jump = A->file->count;
- if (!PUSH (A->file, slang_asm_jump))
- goto end;
-
- /* pop off the stack the compared data and push 1 */
- true_label = A->file->count;
- if (!PLAB (A->file, slang_asm_local_free, size * 2))
- goto end;
- if (!PLIT (A->file, slang_asm_bool_push, (GLfloat) 1))
- goto end;
- true_jump = A->file->count;
- if (!PUSH (A->file, slang_asm_jump))
- goto end;
-
- false_label = A->file->count;
- if (!PLAB (A->file, slang_asm_local_free, size * 2))
- goto end;
- if (!PLIT (A->file, slang_asm_bool_push, (GLfloat) 0))
- goto end;
- false_jump = A->file->count;
- if (!PUSH (A->file, slang_asm_jump))
- goto end;
-
- A->file->code[skip_jump].param[0] = A->file->count;
-
- /* compare the data on stack, it will eventually jump either to true or false label */
- index = 0;
- if (!equality_aggregate (A, &agg, &index, size, equal ? false_label : true_label))
- goto end;
- if (!PLAB (A->file, slang_asm_jump, equal ? true_label : false_label))
- goto end;
-
- A->file->code[true_jump].param[0] = A->file->count;
- A->file->code[false_jump].param[0] = A->file->count;
-
- result = GL_TRUE;
-end:
- slang_storage_aggregate_destruct (&agg);
-end1:
- slang_assembly_typeinfo_destruct (&ti);
- return result;
+ slang_assembly_typeinfo ti;
+ GLboolean result = GL_FALSE;
+ slang_storage_aggregate agg;
+ GLuint index, size;
+ GLuint skip_jump, true_label, true_jump, false_label, false_jump;
+
+ /* get type of operation */
+ if (!slang_assembly_typeinfo_construct(&ti))
+ return GL_FALSE;
+ if (!_slang_typeof_operation(A, op, &ti))
+ goto end1;
+
+ /* convert it to an aggregate */
+ if (!slang_storage_aggregate_construct(&agg))
+ goto end1;
+ if (!_slang_aggregate_variable
+ (&agg, &ti.spec, 0, A->space.funcs, A->space.structs, A->space.vars,
+ A->mach, A->file, A->atoms))
+ goto end;
+
+ /* compute the size of the agregate - there are two such aggregates on the stack */
+ size = _slang_sizeof_aggregate(&agg);
+
+ /* jump to the actual data-comparison code */
+ skip_jump = A->file->count;
+ if (!PUSH(A->file, slang_asm_jump))
+ goto end;
+
+ /* pop off the stack the compared data and push 1 */
+ true_label = A->file->count;
+ if (!PLAB(A->file, slang_asm_local_free, size * 2))
+ goto end;
+ if (!PLIT(A->file, slang_asm_bool_push, (GLfloat) 1))
+ goto end;
+ true_jump = A->file->count;
+ if (!PUSH(A->file, slang_asm_jump))
+ goto end;
+
+ false_label = A->file->count;
+ if (!PLAB(A->file, slang_asm_local_free, size * 2))
+ goto end;
+ if (!PLIT(A->file, slang_asm_bool_push, (GLfloat) 0))
+ goto end;
+ false_jump = A->file->count;
+ if (!PUSH(A->file, slang_asm_jump))
+ goto end;
+
+ A->file->code[skip_jump].param[0] = A->file->count;
+
+ /* compare the data on stack, it will eventually jump either to true or false label */
+ index = 0;
+ if (!equality_aggregate
+ (A, &agg, &index, size, equal ? false_label : true_label))
+ goto end;
+ if (!PLAB(A->file, slang_asm_jump, equal ? true_label : false_label))
+ goto end;
+
+ A->file->code[true_jump].param[0] = A->file->count;
+ A->file->code[false_jump].param[0] = A->file->count;
+
+ result = GL_TRUE;
+ end:
+ slang_storage_aggregate_destruct(&agg);
+ end1:
+ slang_assembly_typeinfo_destruct(&ti);
+ return result;
}
-static GLboolean handle_subscript (slang_assemble_ctx *A, slang_assembly_typeinfo *tie,
- slang_assembly_typeinfo *tia, slang_operation *op, slang_ref_type ref)
+static GLboolean
+handle_subscript(slang_assemble_ctx * A, slang_assembly_typeinfo * tie,
+ slang_assembly_typeinfo * tia, slang_operation * op,
+ slang_ref_type ref)
{
- GLuint asize = 0, esize = 0;
-
- /* get type info of the master expression (matrix, vector or an array */
- if (!_slang_typeof_operation (A, &op->children[0], tia))
- return GL_FALSE;
- if (!sizeof_variable (A, &tia->spec, slang_qual_none, tia->array_len, &asize))
- return GL_FALSE;
-
- /* get type info of the result (matrix column, vector row or array element) */
- if (!_slang_typeof_operation (A, op, tie))
- return GL_FALSE;
- if (!sizeof_variable (A, &tie->spec, slang_qual_none, 0, &esize))
- return GL_FALSE;
-
- /* assemble the master expression */
- if (!_slang_assemble_operation (A, &op->children[0], ref))
- return GL_FALSE;
-
- /* when indexing an l-value swizzle, push the swizzle_tmp */
- if (ref == slang_ref_force && tia->is_swizzled)
- if (!PLAB2 (A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
- return GL_FALSE;
-
- /* assemble the subscript expression */
- if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))
- return GL_FALSE;
-
- if (ref == slang_ref_force && tia->is_swizzled)
- {
- GLuint i;
-
- /* copy the swizzle indexes to the swizzle_tmp */
- for (i = 0; i < tia->swz.num_components; i++)
- {
- if (!PLAB2 (A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
- return GL_FALSE;
- if (!PLAB (A->file, slang_asm_addr_push, i * 4))
- return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_add))
- return GL_FALSE;
- if (!PLAB (A->file, slang_asm_addr_push, tia->swz.swizzle[i]))
- return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_copy))
- return GL_FALSE;
- if (!PLAB (A->file, slang_asm_local_free, 4))
- return GL_FALSE;
- }
-
- /* offset the pushed swizzle_tmp address and dereference it */
- if (!PUSH (A->file, slang_asm_int_to_addr))
- return GL_FALSE;
- if (!PLAB (A->file, slang_asm_addr_push, 4))
- return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_multiply))
- return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_add))
- return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_deref))
- return GL_FALSE;
- }
- else
- {
- /* convert the integer subscript to a relative address */
- if (!PUSH (A->file, slang_asm_int_to_addr))
- return GL_FALSE;
- }
-
- if (!PLAB (A->file, slang_asm_addr_push, esize))
- return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_multiply))
- return GL_FALSE;
-
- if (ref == slang_ref_force)
- {
- /* offset the base address with the relative address */
- if (!PUSH (A->file, slang_asm_addr_add))
- return GL_FALSE;
- }
- else
- {
- GLuint i;
-
- /* move the selected element to the beginning of the master expression */
- for (i = 0; i < esize; i += 4)
- if (!PLAB2 (A->file, slang_asm_float_move, asize - esize + i + 4, i + 4))
- return GL_FALSE;
- if (!PLAB (A->file, slang_asm_local_free, 4))
- return GL_FALSE;
-
- /* free the rest of the master expression */
- if (!PLAB (A->file, slang_asm_local_free, asize - esize))
- return GL_FALSE;
- }
-
- return GL_TRUE;
+ GLuint asize = 0, esize = 0;
+
+ /* get type info of the master expression (matrix, vector or an array */
+ if (!_slang_typeof_operation(A, &op->children[0], tia))
+ return GL_FALSE;
+ if (!sizeof_variable
+ (A, &tia->spec, slang_qual_none, tia->array_len, &asize))
+ return GL_FALSE;
+
+ /* get type info of the result (matrix column, vector row or array element) */
+ if (!_slang_typeof_operation(A, op, tie))
+ return GL_FALSE;
+ if (!sizeof_variable(A, &tie->spec, slang_qual_none, 0, &esize))
+ return GL_FALSE;
+
+ /* assemble the master expression */
+ if (!_slang_assemble_operation(A, &op->children[0], ref))
+ return GL_FALSE;
+
+ /* when indexing an l-value swizzle, push the swizzle_tmp */
+ if (ref == slang_ref_force && tia->is_swizzled)
+ if (!PLAB2(A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
+ return GL_FALSE;
+
+ /* assemble the subscript expression */
+ if (!_slang_assemble_operation(A, &op->children[1], slang_ref_forbid))
+ return GL_FALSE;
+
+ if (ref == slang_ref_force && tia->is_swizzled) {
+ GLuint i;
+
+ /* copy the swizzle indexes to the swizzle_tmp */
+ for (i = 0; i < tia->swz.num_components; i++) {
+ if (!PLAB2(A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
+ return GL_FALSE;
+ if (!PLAB(A->file, slang_asm_addr_push, i * 4))
+ return GL_FALSE;
+ if (!PUSH(A->file, slang_asm_addr_add))
+ return GL_FALSE;
+ if (!PLAB(A->file, slang_asm_addr_push, tia->swz.swizzle[i]))
+ return GL_FALSE;
+ if (!PUSH(A->file, slang_asm_addr_copy))
+ return GL_FALSE;
+ if (!PLAB(A->file, slang_asm_local_free, 4))
+ return GL_FALSE;
+ }
+
+ /* offset the pushed swizzle_tmp address and dereference it */
+ if (!PUSH(A->file, slang_asm_int_to_addr))
+ return GL_FALSE;
+ if (!PLAB(A->file, slang_asm_addr_push, 4))
+ return GL_FALSE;
+ if (!PUSH(A->file, slang_asm_addr_multiply))
+ return GL_FALSE;
+ if (!PUSH(A->file, slang_asm_addr_add))
+ return GL_FALSE;
+ if (!PUSH(A->file, slang_asm_addr_deref))
+ return GL_FALSE;
+ }
+ else {
+ /* convert the integer subscript to a relative address */
+ if (!PUSH(A->file, slang_asm_int_to_addr))
+ return GL_FALSE;
+ }
+
+ if (!PLAB(A->file, slang_asm_addr_push, esize))
+ return GL_FALSE;
+ if (!PUSH(A->file, slang_asm_addr_multiply))
+ return GL_FALSE;
+
+ if (ref == slang_ref_force) {
+ /* offset the base address with the relative address */
+ if (!PUSH(A->file, slang_asm_addr_add))
+ return GL_FALSE;
+ }
+ else {
+ GLuint i;
+
+ /* move the selected element to the beginning of the master expression */
+ for (i = 0; i < esize; i += 4)
+ if (!PLAB2
+ (A->file, slang_asm_float_move, asize - esize + i + 4, i + 4))
+ return GL_FALSE;
+ if (!PLAB(A->file, slang_asm_local_free, 4))
+ return GL_FALSE;
+
+ /* free the rest of the master expression */
+ if (!PLAB(A->file, slang_asm_local_free, asize - esize))
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
}
-static GLboolean handle_field (slang_assemble_ctx *A, slang_assembly_typeinfo *tia,
- slang_assembly_typeinfo *tib, slang_operation *op, slang_ref_type ref)
+static GLboolean
+handle_field(slang_assemble_ctx * A, slang_assembly_typeinfo * tia,
+ slang_assembly_typeinfo * tib, slang_operation * op,
+ slang_ref_type ref)
{
- /* get type info of the result (field or swizzle) */
- if (!_slang_typeof_operation (A, op, tia))
- return GL_FALSE;
-
- /* get type info of the master expression being accessed (struct or vector) */
- if (!_slang_typeof_operation (A, &op->children[0], tib))
- return GL_FALSE;
-
- /* if swizzling a vector in-place, the swizzle temporary is needed */
- if (ref == slang_ref_forbid && tia->is_swizzled)
- if (!PLAB2 (A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
- return GL_FALSE;
-
- /* assemble the master expression */
- if (!_slang_assemble_operation (A, &op->children[0], ref))
- return GL_FALSE;
-
- /* assemble the field expression */
- if (tia->is_swizzled)
- {
- if (ref == slang_ref_force)
- {
+ /* get type info of the result (field or swizzle) */
+ if (!_slang_typeof_operation(A, op, tia))
+ return GL_FALSE;
+
+ /* get type info of the master expression being accessed (struct or vector) */
+ if (!_slang_typeof_operation(A, &op->children[0], tib))
+ return GL_FALSE;
+
+ /* if swizzling a vector in-place, the swizzle temporary is needed */
+ if (ref == slang_ref_forbid && tia->is_swizzled)
+ if (!PLAB2(A->file, slang_asm_local_addr, A->local.swizzle_tmp, 16))
+ return GL_FALSE;
+
+ /* assemble the master expression */
+ if (!_slang_assemble_operation(A, &op->children[0], ref))
+ return GL_FALSE;
+
+ /* assemble the field expression */
+ if (tia->is_swizzled) {
+ if (ref == slang_ref_force) {
#if 0
- if (tia->swz.num_components == 1)
- {
- /* simple case - adjust the vector's address to point to the selected component */
- if (!PLAB (file, slang_asm_addr_push, tia->swz.swizzle[0] * 4))
- return 0;
- if (!PUSH (file, slang_asm_addr_add))
- return 0;
- }
- else
+ if (tia->swz.num_components == 1) {
+ /* simple case - adjust the vector's address to point to
+ * the selected component
+ */
+ if (!PLAB(file, slang_asm_addr_push, tia->swz.swizzle[0] * 4))
+ return 0;
+ if (!PUSH(file, slang_asm_addr_add))
+ return 0;
+ }
+ else
#endif
- {
- /* two or more vector components are being referenced - the so-called write mask
- * must be passed to the upper operations and applied when assigning value
- * to this swizzle */
- A->swz = tia->swz;
- }
- }
- else
- {
- /* swizzle the vector in-place using the swizzle temporary */
- if (!_slang_assemble_constructor_from_swizzle (A, &tia->swz, &tia->spec, &tib->spec))
- return GL_FALSE;
- }
- }
- else
- {
- GLuint i, struct_size = 0, field_offset = 0, field_size = 0;
+ {
+ /* two or more vector components are being referenced -
+ * the so-called write mask must be passed to the upper
+ * operations and applied when assigning value to this swizzle
+ */
+ A->swz = tia->swz;
+ }
+ }
+ else {
+ /* swizzle the vector in-place using the swizzle temporary */
+ if (!_slang_assemble_constructor_from_swizzle
+ (A, &tia->swz, &tia->spec, &tib->spec))
+ return GL_FALSE;
+ }
+ }
+ else {
+ GLuint i, struct_size = 0, field_offset = 0, field_size = 0;
/*
* Calculate struct size, field offset and field size.
*/
- for (i = 0; i < tib->spec._struct->fields->num_variables; i++)
- {
- slang_variable *field;
- slang_storage_aggregate agg;
- GLuint size;
-
- field = &tib->spec._struct->fields->variables[i];
- if (!slang_storage_aggregate_construct (&agg))
- return GL_FALSE;
- if (!_slang_aggregate_variable (&agg, &field->type.specifier, field->array_len,
- A->space.funcs, A->space.structs, A->space.vars, A->mach, A->file, A->atoms))
- {
- slang_storage_aggregate_destruct (&agg);
- return GL_FALSE;
- }
- size = _slang_sizeof_aggregate (&agg);
- slang_storage_aggregate_destruct (&agg);
+ for (i = 0; i < tib->spec._struct->fields->num_variables; i++) {
+ slang_variable *field;
+ slang_storage_aggregate agg;
+ GLuint size;
+
+ field = &tib->spec._struct->fields->variables[i];
+ if (!slang_storage_aggregate_construct(&agg))
+ return GL_FALSE;
+ if (!_slang_aggregate_variable
+ (&agg, &field->type.specifier, field->array_len, A->space.funcs,
+ A->space.structs, A->space.vars, A->mach, A->file, A->atoms)) {
+ slang_storage_aggregate_destruct(&agg);
+ return GL_FALSE;
+ }
+ size = _slang_sizeof_aggregate(&agg);
+ slang_storage_aggregate_destruct(&agg);
if (op->a_id == field->a_name) {
field_size = size;
field_offset = struct_size;
}
struct_size += size;
- }
+ }
- if (ref == slang_ref_force)
- {
+ if (ref == slang_ref_force) {
GLboolean shift;
/*
- * OPTIMIZATION: If selecting first field, no address shifting is needed.
- */
+ * OPTIMIZATION: If selecting first field, no address shifting
+ * is needed.
+ */
shift = (field_offset != 0);
if (shift) {
- if (!PLAB (A->file, slang_asm_addr_push, field_offset))
+ if (!PLAB(A->file, slang_asm_addr_push, field_offset))
+ return GL_FALSE;
+ if (!PUSH(A->file, slang_asm_addr_add))
return GL_FALSE;
- if (!PUSH (A->file, slang_asm_addr_add))
- return GL_FALSE;
- }
- }
- else
- {
+ }
+ }
+ else {
GLboolean relocate, shrink;
- GLuint free_b = 0;
+ GLuint free_b = 0;
/*
- * OPTIMIZATION: If selecting last field, no relocation is needed.
- */
+ * OPTIMIZATION: If selecting last field, no relocation is needed.
+ */
relocate = (field_offset != (struct_size - field_size));
/*
- * OPTIMIZATION: If field and struct sizes are equal, no partial free is needed.
- */
+ * OPTIMIZATION: If field and struct sizes are equal, no partial
+ * free is needed.
+ */
shrink = (field_size != struct_size);
- if (relocate)
- {
- GLuint i;
+ if (relocate) {
+ GLuint i;
- /*
- * Move the selected element to the end of the master expression.
- * Do it in reverse order to avoid overwriting itself.
- */
- if (!PLAB (A->file, slang_asm_addr_push, field_offset))
+ /*
+ * Move the selected element to the end of the master expression.
+ * Do it in reverse order to avoid overwriting itself.
+ */
+ if (!PLAB(A->file, slang_asm_addr_push, field_offset))
return GL_FALSE;
- for (i = field_size; i > 0; i -= 4)
- if (!PLAB2 (A->file, slang_asm_float_move, struct_size - field_size + i, i))
- return GL_FALSE;
- free_b += 4;
- }
-
- if (shrink)
- {
- /* free the rest of the master expression */
- free_b += struct_size - field_size;
- }
-
- if (free_b)
- {
- if (!PLAB (A->file, slang_asm_local_free, free_b))
- return GL_FALSE;
- }
- }
- }
-
- return GL_TRUE;
+ for (i = field_size; i > 0; i -= 4)
+ if (!PLAB2
+ (A->file, slang_asm_float_move,
+ struct_size - field_size + i, i))
+ return GL_FALSE;
+ free_b += 4;
+ }
+
+ if (shrink) {
+ /* free the rest of the master expression */
+ free_b += struct_size - field_size;
+ }
+
+ if (free_b) {
+ if (!PLAB(A->file, slang_asm_local_free, free_b))
+ return GL_FALSE;
+ }
+ }
+ }
+
+ return GL_TRUE;
}
-GLboolean _slang_assemble_operation (slang_assemble_ctx *A, slang_operation *op, slang_ref_type ref)
+GLboolean
+_slang_assemble_operation(slang_assemble_ctx * A, slang_operation * op,
+ slang_ref_type ref)
{
- /* set default results */
- A->ref = /*(ref == slang_ref_freelance) ? slang_ref_force : */ref;
- A->swz.num_components = 0;
-
- switch (op->type)
- {
- case slang_oper_block_no_new_scope:
- case slang_oper_block_new_scope:
- {
- GLuint i;
-
- for (i = 0; i < op->num_children; i++)
- {
- if (!_slang_assemble_operation (A, &op->children[i], slang_ref_forbid/*slang_ref_freelance*/))
- return GL_FALSE;
- if (!_slang_cleanup_stack (A, &op->children[i]))
- return GL_FALSE;
- }
- }
- break;
- case slang_oper_variable_decl:
- {
- GLuint i;
- slang_operation assign;
- GLboolean result;
-
- /* Construct assignment expression placeholder. */
- if (!slang_operation_construct (&assign))
- return GL_FALSE;
- assign.type = slang_oper_assign;
- assign.children = (slang_operation *) slang_alloc_malloc (2 * sizeof (slang_operation));
- if (assign.children == NULL)
- {
- slang_operation_destruct (&assign);
- return GL_FALSE;
- }
- for (assign.num_children = 0; assign.num_children < 2; assign.num_children++)
- if (!slang_operation_construct (&assign.children[assign.num_children]))
- {
- slang_operation_destruct (&assign);
- return GL_FALSE;
- }
-
- result = GL_TRUE;
- for (i = 0; i < op->num_children; i++)
- {
- slang_variable *var;
-
- var = _slang_locate_variable (op->children[i].locals, op->children[i].a_id, GL_TRUE);
- if (var == NULL)
- {
- result = GL_FALSE;
- break;
- }
- if (var->initializer == NULL)
- continue;
-
- if (!slang_operation_copy (&assign.children[0], &op->children[i]) ||
- !slang_operation_copy (&assign.children[1], var->initializer) ||
- !_slang_assemble_assign (A, &assign, "=", slang_ref_forbid) ||
- !_slang_cleanup_stack (A, &assign))
- {
- result = GL_FALSE;
- break;
- }
- }
- slang_operation_destruct (&assign);
- if (!result)
- return GL_FALSE;
- }
- break;
- case slang_oper_asm:
- {
- GLuint i;
-
- if (!_slang_assemble_operation (A, &op->children[0], slang_ref_force))
- return GL_FALSE;
- for (i = 1; i < op->num_children; i++)
- if (!_slang_assemble_operation (A, &op->children[i], slang_ref_forbid))
- return GL_FALSE;
- if (!call_asm_instruction (A, op->a_id))
- return GL_FALSE;
- }
- break;
- case slang_oper_break:
- if (!PLAB (A->file, slang_asm_jump, A->flow.loop_end))
- return GL_FALSE;
- break;
- case slang_oper_continue:
- if (!PLAB (A->file, slang_asm_jump, A->flow.loop_start))
- return GL_FALSE;
- break;
- case slang_oper_discard:
- if (!PUSH (A->file, slang_asm_discard))
- return GL_FALSE;
- if (!PUSH (A->file, slang_asm_exit))
- return GL_FALSE;
- break;
- case slang_oper_return:
- if (A->local.ret_size != 0)
- {
- /* push the result's address */
- if (!PLAB2 (A->file, slang_asm_local_addr, 0, A->local.ret_size))
- return GL_FALSE;
- if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))
- return GL_FALSE;
-
- A->swz.num_components = 0;
- /* assign the operation to the function result (it was reserved on the stack) */
- if (!_slang_assemble_assignment (A, op->children))
- return GL_FALSE;
-
- if (!PLAB (A->file, slang_asm_local_free, 4))
- return GL_FALSE;
- }
- if (!PLAB (A->file, slang_asm_jump, A->flow.function_end))
- return GL_FALSE;
- break;
- case slang_oper_expression:
- if (ref == slang_ref_force)
- return GL_FALSE;
- if (!_slang_assemble_operation (A, &op->children[0], ref))
- return GL_FALSE;
- break;
- case slang_oper_if:
- if (!_slang_assemble_if (A, op))
- return GL_FALSE;
- break;
- case slang_oper_while:
- if (!_slang_assemble_while (A, op))
- return GL_FALSE;
- break;
- case slang_oper_do:
- if (!_slang_assemble_do (A, op))
- return GL_FALSE;
- break;
- case slang_oper_for:
- if (!_slang_assemble_for (A, op))
- return GL_FALSE;
- break;
- case slang_oper_void:
- break;
- case slang_oper_literal_bool:
- if (ref == slang_ref_force)
- return GL_FALSE;
- if (!PLIT (A->file, slang_asm_bool_push, op->literal))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_literal_int:
- if (ref == slang_ref_force)
- return GL_FALSE;
- if (!PLIT (A->file, slang_asm_int_push, op->literal))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_literal_float:
- if (ref == slang_ref_force)
- return GL_FALSE;
- if (!PLIT (A->file, slang_asm_float_push, op->literal))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_identifier:
- {
- slang_variable *var;
- GLuint size;
-
- /* find the variable and calculate its size */
- var = _slang_locate_variable (op->locals, op->a_id, GL_TRUE);
- if (var == NULL)
- return GL_FALSE;
- size = 0;
- if (!sizeof_variable (A, &var->type.specifier, slang_qual_none, var->array_len, &size))
- return GL_FALSE;
-
- /* prepare stack for dereferencing */
- if (ref == slang_ref_forbid)
- if (!PLAB2 (A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
- return GL_FALSE;
-
- /* push the variable's address */
- if (var->global)
- {
- if (!PLAB (A->file, slang_asm_global_addr, var->address))
- return GL_FALSE;
- }
- else
- {
- if (!PLAB2 (A->file, slang_asm_local_addr, var->address, size))
- return GL_FALSE;
- }
-
- /* perform the dereference */
- if (ref == slang_ref_forbid)
- {
- if (!PUSH (A->file, slang_asm_addr_copy))
- return GL_FALSE;
- if (!PLAB (A->file, slang_asm_local_free, 4))
- return GL_FALSE;
- if (!_slang_dereference (A, op))
- return GL_FALSE;
- }
- }
- break;
- case slang_oper_sequence:
- if (ref == slang_ref_force)
- return GL_FALSE;
- if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid/*slang_ref_freelance*/))
- return GL_FALSE;
- if (!_slang_cleanup_stack (A, &op->children[0]))
- return GL_FALSE;
- if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_assign:
- if (!_slang_assemble_assign (A, op, "=", ref))
- return GL_FALSE;
- break;
- case slang_oper_addassign:
- if (!_slang_assemble_assign (A, op, "+=", ref))
- return GL_FALSE;
- A->ref = ref;
- break;
- case slang_oper_subassign:
- if (!_slang_assemble_assign (A, op, "-=", ref))
- return GL_FALSE;
- A->ref = ref;
- break;
- case slang_oper_mulassign:
- if (!_slang_assemble_assign (A, op, "*=", ref))
- return GL_FALSE;
- A->ref = ref;
- break;
- /*case slang_oper_modassign:*/
- /*case slang_oper_lshassign:*/
- /*case slang_oper_rshassign:*/
- /*case slang_oper_orassign:*/
- /*case slang_oper_xorassign:*/
- /*case slang_oper_andassign:*/
- case slang_oper_divassign:
- if (!_slang_assemble_assign (A, op, "/=", ref))
- return GL_FALSE;
- A->ref = ref;
- break;
- case slang_oper_select:
- if (!_slang_assemble_select (A, op))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_logicalor:
- if (!_slang_assemble_logicalor (A, op))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_logicaland:
- if (!_slang_assemble_logicaland (A, op))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_logicalxor:
- if (!_slang_assemble_function_call_name (A, "^^", op->children, 2, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- /*case slang_oper_bitor:*/
- /*case slang_oper_bitxor:*/
- /*case slang_oper_bitand:*/
- case slang_oper_less:
- if (!_slang_assemble_function_call_name (A, "<", op->children, 2, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_greater:
- if (!_slang_assemble_function_call_name (A, ">", op->children, 2, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_lessequal:
- if (!_slang_assemble_function_call_name (A, "<=", op->children, 2, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_greaterequal:
- if (!_slang_assemble_function_call_name (A, ">=", op->children, 2, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- /*case slang_oper_lshift:*/
- /*case slang_oper_rshift:*/
- case slang_oper_add:
- if (!_slang_assemble_function_call_name (A, "+", op->children, 2, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_subtract:
- if (!_slang_assemble_function_call_name (A, "-", op->children, 2, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_multiply:
- if (!_slang_assemble_function_call_name (A, "*", op->children, 2, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- /*case slang_oper_modulus:*/
- case slang_oper_divide:
- if (!_slang_assemble_function_call_name (A, "/", op->children, 2, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_equal:
- if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))
- return GL_FALSE;
- if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))
- return GL_FALSE;
- if (!equality (A, op->children, GL_TRUE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_notequal:
- if (!_slang_assemble_operation (A, &op->children[0], slang_ref_forbid))
- return GL_FALSE;
- if (!_slang_assemble_operation (A, &op->children[1], slang_ref_forbid))
- return GL_FALSE;
- if (!equality (A, op->children, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_preincrement:
- if (!_slang_assemble_assign (A, op, "++", ref))
- return GL_FALSE;
- A->ref = ref;
- break;
- case slang_oper_predecrement:
- if (!_slang_assemble_assign (A, op, "--", ref))
- return GL_FALSE;
- A->ref = ref;
- break;
- case slang_oper_plus:
- if (!_slang_dereference (A, op))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_minus:
- if (!_slang_assemble_function_call_name (A, "-", op->children, 1, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- /*case slang_oper_complement:*/
- case slang_oper_not:
- if (!_slang_assemble_function_call_name (A, "!", op->children, 1, GL_FALSE))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_subscript:
- {
- slang_assembly_typeinfo ti_arr, ti_elem;
-
- if (!slang_assembly_typeinfo_construct (&ti_arr))
- return GL_FALSE;
- if (!slang_assembly_typeinfo_construct (&ti_elem))
- {
- slang_assembly_typeinfo_destruct (&ti_arr);
- return GL_FALSE;
- }
- if (!handle_subscript (A, &ti_elem, &ti_arr, op, ref))
- {
- slang_assembly_typeinfo_destruct (&ti_arr);
- slang_assembly_typeinfo_destruct (&ti_elem);
- return GL_FALSE;
- }
- slang_assembly_typeinfo_destruct (&ti_arr);
- slang_assembly_typeinfo_destruct (&ti_elem);
- }
- break;
- case slang_oper_call:
- {
- slang_function *fun;
-
- fun = _slang_locate_function (A->space.funcs, op->a_id, op->children, op->num_children,
- &A->space, A->atoms);
- if (fun == NULL)
- {
- if (!_slang_assemble_constructor (A, op))
- return GL_FALSE;
- }
- else
- {
- if (!_slang_assemble_function_call (A, fun, op->children, op->num_children, GL_FALSE))
- return GL_FALSE;
- }
- A->ref = slang_ref_forbid;
- }
- break;
- case slang_oper_field:
- {
- slang_assembly_typeinfo ti_after, ti_before;
-
- if (!slang_assembly_typeinfo_construct (&ti_after))
- return GL_FALSE;
- if (!slang_assembly_typeinfo_construct (&ti_before))
- {
- slang_assembly_typeinfo_destruct (&ti_after);
- return GL_FALSE;
- }
- if (!handle_field (A, &ti_after, &ti_before, op, ref))
- {
- slang_assembly_typeinfo_destruct (&ti_after);
- slang_assembly_typeinfo_destruct (&ti_before);
- return GL_FALSE;
- }
- slang_assembly_typeinfo_destruct (&ti_after);
- slang_assembly_typeinfo_destruct (&ti_before);
- }
- break;
- case slang_oper_postincrement:
- if (!assemble_function_call_name_dummyint (A, "++", op->children))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- case slang_oper_postdecrement:
- if (!assemble_function_call_name_dummyint (A, "--", op->children))
- return GL_FALSE;
- A->ref = slang_ref_forbid;
- break;
- default:
- return GL_FALSE;
- }
-
- return GL_TRUE;
-}
+ /* set default results */
+ A->ref = /*(ref == slang_ref_freelance) ? slang_ref_force : */ ref;
+ A->swz.num_components = 0;
+
+ switch (op->type) {
+ case slang_oper_block_no_new_scope:
+ case slang_oper_block_new_scope:
+ {
+ GLuint i;
+
+ for (i = 0; i < op->num_children; i++) {
+ if (!_slang_assemble_operation
+ (A, &op->children[i],
+ slang_ref_forbid /*slang_ref_freelance */ ))
+ return GL_FALSE;
+ if (!_slang_cleanup_stack(A, &op->children[i]))
+ return GL_FALSE;
+ }
+ }
+ break;
+ case slang_oper_variable_decl:
+ {
+ GLuint i;
+ slang_operation assign;
+ GLboolean result;
+
+ /* Construct assignment expression placeholder. */
+ if (!slang_operation_construct(&assign))
+ return GL_FALSE;
+ assign.type = slang_oper_assign;
+ assign.children =
+ (slang_operation *) slang_alloc_malloc(2 *
+ sizeof(slang_operation));
+ if (assign.children == NULL) {
+ slang_operation_destruct(&assign);
+ return GL_FALSE;
+ }
+ for (assign.num_children = 0; assign.num_children < 2;
+ assign.num_children++)
+ if (!slang_operation_construct
+ (&assign.children[assign.num_children])) {
+ slang_operation_destruct(&assign);
+ return GL_FALSE;
+ }
+
+ result = GL_TRUE;
+ for (i = 0; i < op->num_children; i++) {
+ slang_variable *var;
+
+ var =
+ _slang_locate_variable(op->children[i].locals,
+ op->children[i].a_id, GL_TRUE);
+ if (var == NULL) {
+ result = GL_FALSE;
+ break;
+ }
+ if (var->initializer == NULL)
+ continue;
+
+ if (!slang_operation_copy(&assign.children[0], &op->children[i])
+ || !slang_operation_copy(&assign.children[1],
+ var->initializer)
+ || !_slang_assemble_assign(A, &assign, "=", slang_ref_forbid)
+ || !_slang_cleanup_stack(A, &assign)) {
+ result = GL_FALSE;
+ break;
+ }
+ }
+ slang_operation_destruct(&assign);
+ if (!result)
+ return GL_FALSE;
+ }
+ break;
+ case slang_oper_asm:
+ {
+ GLuint i;
+ if (!_slang_assemble_operation(A, &op->children[0], slang_ref_force))
+ return GL_FALSE;
+ for (i = 1; i < op->num_children; i++)
+ if (!_slang_assemble_operation
+ (A, &op->children[i], slang_ref_forbid))
+ return GL_FALSE;
+ if (!call_asm_instruction(A, op->a_id))
+ return GL_FALSE;
+ }
+ break;
+ case slang_oper_break:
+ if (!PLAB(A->file, slang_asm_jump, A->flow.loop_end))
+ return GL_FALSE;
+ break;
+ case slang_oper_continue:
+ if (!PLAB(A->file, slang_asm_jump, A->flow.loop_start))
+ return GL_FALSE;
+ break;
+ case slang_oper_discard:
+ if (!PUSH(A->file, slang_asm_discard))
+ return GL_FALSE;
+ if (!PUSH(A->file, slang_asm_exit))
+ return GL_FALSE;
+ break;
+ case slang_oper_return:
+ if (A->local.ret_size != 0) {
+ /* push the result's address */
+ if (!PLAB2(A->file, slang_asm_local_addr, 0, A->local.ret_size))
+ return GL_FALSE;
+ if (!_slang_assemble_operation
+ (A, &op->children[0], slang_ref_forbid))
+ return GL_FALSE;
+
+ A->swz.num_components = 0;
+ /* assign the operation to the function result (it was reserved on the stack) */
+ if (!_slang_assemble_assignment(A, op->children))
+ return GL_FALSE;
+
+ if (!PLAB(A->file, slang_asm_local_free, 4))
+ return GL_FALSE;
+ }
+ if (!PLAB(A->file, slang_asm_jump, A->flow.function_end))
+ return GL_FALSE;
+ break;
+ case slang_oper_expression:
+ if (ref == slang_ref_force)
+ return GL_FALSE;
+ if (!_slang_assemble_operation(A, &op->children[0], ref))
+ return GL_FALSE;
+ break;
+ case slang_oper_if:
+ if (!_slang_assemble_if(A, op))
+ return GL_FALSE;
+ break;
+ case slang_oper_while:
+ if (!_slang_assemble_while(A, op))
+ return GL_FALSE;
+ break;
+ case slang_oper_do:
+ if (!_slang_assemble_do(A, op))
+ return GL_FALSE;
+ break;
+ case slang_oper_for:
+ if (!_slang_assemble_for(A, op))
+ return GL_FALSE;
+ break;
+ case slang_oper_void:
+ break;
+ case slang_oper_literal_bool:
+ if (ref == slang_ref_force)
+ return GL_FALSE;
+ if (!PLIT(A->file, slang_asm_bool_push, op->literal))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_literal_int:
+ if (ref == slang_ref_force)
+ return GL_FALSE;
+ if (!PLIT(A->file, slang_asm_int_push, op->literal))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_literal_float:
+ if (ref == slang_ref_force)
+ return GL_FALSE;
+ if (!PLIT(A->file, slang_asm_float_push, op->literal))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_identifier:
+ {
+ slang_variable *var;
+ GLuint size;
+
+ /* find the variable and calculate its size */
+ var = _slang_locate_variable(op->locals, op->a_id, GL_TRUE);
+ if (var == NULL)
+ return GL_FALSE;
+ size = 0;
+ if (!sizeof_variable
+ (A, &var->type.specifier, slang_qual_none, var->array_len,
+ &size))
+ return GL_FALSE;
+
+ /* prepare stack for dereferencing */
+ if (ref == slang_ref_forbid)
+ if (!PLAB2(A->file, slang_asm_local_addr, A->local.addr_tmp, 4))
+ return GL_FALSE;
+
+ /* push the variable's address */
+ if (var->global) {
+ if (!PLAB(A->file, slang_asm_global_addr, var->address))
+ return GL_FALSE;
+ }
+ else {
+ if (!PLAB2(A->file, slang_asm_local_addr, var->address, size))
+ return GL_FALSE;
+ }
+ /* perform the dereference */
+ if (ref == slang_ref_forbid) {
+ if (!PUSH(A->file, slang_asm_addr_copy))
+ return GL_FALSE;
+ if (!PLAB(A->file, slang_asm_local_free, 4))
+ return GL_FALSE;
+ if (!_slang_dereference(A, op))
+ return GL_FALSE;
+ }
+ }
+ break;
+ case slang_oper_sequence:
+ if (ref == slang_ref_force)
+ return GL_FALSE;
+ if (!_slang_assemble_operation(A, &op->children[0],
+ slang_ref_forbid /*slang_ref_freelance */ ))
+ return GL_FALSE;
+ if (!_slang_cleanup_stack(A, &op->children[0]))
+ return GL_FALSE;
+ if (!_slang_assemble_operation(A, &op->children[1], slang_ref_forbid))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_assign:
+ if (!_slang_assemble_assign(A, op, "=", ref))
+ return GL_FALSE;
+ break;
+ case slang_oper_addassign:
+ if (!_slang_assemble_assign(A, op, "+=", ref))
+ return GL_FALSE;
+ A->ref = ref;
+ break;
+ case slang_oper_subassign:
+ if (!_slang_assemble_assign(A, op, "-=", ref))
+ return GL_FALSE;
+ A->ref = ref;
+ break;
+ case slang_oper_mulassign:
+ if (!_slang_assemble_assign(A, op, "*=", ref))
+ return GL_FALSE;
+ A->ref = ref;
+ break;
+ /*case slang_oper_modassign: */
+ /*case slang_oper_lshassign: */
+ /*case slang_oper_rshassign: */
+ /*case slang_oper_orassign: */
+ /*case slang_oper_xorassign: */
+ /*case slang_oper_andassign: */
+ case slang_oper_divassign:
+ if (!_slang_assemble_assign(A, op, "/=", ref))
+ return GL_FALSE;
+ A->ref = ref;
+ break;
+ case slang_oper_select:
+ if (!_slang_assemble_select(A, op))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_logicalor:
+ if (!_slang_assemble_logicalor(A, op))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_logicaland:
+ if (!_slang_assemble_logicaland(A, op))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_logicalxor:
+ if (!_slang_assemble_function_call_name(A, "^^", op->children, 2, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ /*case slang_oper_bitor: */
+ /*case slang_oper_bitxor: */
+ /*case slang_oper_bitand: */
+ case slang_oper_less:
+ if (!_slang_assemble_function_call_name(A, "<", op->children, 2, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_greater:
+ if (!_slang_assemble_function_call_name(A, ">", op->children, 2, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_lessequal:
+ if (!_slang_assemble_function_call_name(A, "<=", op->children, 2, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_greaterequal:
+ if (!_slang_assemble_function_call_name(A, ">=", op->children, 2, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ /*case slang_oper_lshift: */
+ /*case slang_oper_rshift: */
+ case slang_oper_add:
+ if (!_slang_assemble_function_call_name(A, "+", op->children, 2, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_subtract:
+ if (!_slang_assemble_function_call_name(A, "-", op->children, 2, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_multiply:
+ if (!_slang_assemble_function_call_name(A, "*", op->children, 2, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ /*case slang_oper_modulus: */
+ case slang_oper_divide:
+ if (!_slang_assemble_function_call_name(A, "/", op->children, 2, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_equal:
+ if (!_slang_assemble_operation(A, &op->children[0], slang_ref_forbid))
+ return GL_FALSE;
+ if (!_slang_assemble_operation(A, &op->children[1], slang_ref_forbid))
+ return GL_FALSE;
+ if (!equality(A, op->children, GL_TRUE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_notequal:
+ if (!_slang_assemble_operation(A, &op->children[0], slang_ref_forbid))
+ return GL_FALSE;
+ if (!_slang_assemble_operation(A, &op->children[1], slang_ref_forbid))
+ return GL_FALSE;
+ if (!equality(A, op->children, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_preincrement:
+ if (!_slang_assemble_assign(A, op, "++", ref))
+ return GL_FALSE;
+ A->ref = ref;
+ break;
+ case slang_oper_predecrement:
+ if (!_slang_assemble_assign(A, op, "--", ref))
+ return GL_FALSE;
+ A->ref = ref;
+ break;
+ case slang_oper_plus:
+ if (!_slang_dereference(A, op))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_minus:
+ if (!_slang_assemble_function_call_name
+ (A, "-", op->children, 1, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ /*case slang_oper_complement: */
+ case slang_oper_not:
+ if (!_slang_assemble_function_call_name
+ (A, "!", op->children, 1, GL_FALSE))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_subscript:
+ {
+ slang_assembly_typeinfo ti_arr, ti_elem;
+
+ if (!slang_assembly_typeinfo_construct(&ti_arr))
+ return GL_FALSE;
+ if (!slang_assembly_typeinfo_construct(&ti_elem)) {
+ slang_assembly_typeinfo_destruct(&ti_arr);
+ return GL_FALSE;
+ }
+ if (!handle_subscript(A, &ti_elem, &ti_arr, op, ref)) {
+ slang_assembly_typeinfo_destruct(&ti_arr);
+ slang_assembly_typeinfo_destruct(&ti_elem);
+ return GL_FALSE;
+ }
+ slang_assembly_typeinfo_destruct(&ti_arr);
+ slang_assembly_typeinfo_destruct(&ti_elem);
+ }
+ break;
+ case slang_oper_call:
+ {
+ slang_function *fun;
+
+ fun =
+ _slang_locate_function(A->space.funcs, op->a_id, op->children,
+ op->num_children, &A->space, A->atoms);
+ if (fun == NULL) {
+ if (!_slang_assemble_constructor(A, op))
+ return GL_FALSE;
+ }
+ else {
+ if (!_slang_assemble_function_call
+ (A, fun, op->children, op->num_children, GL_FALSE))
+ return GL_FALSE;
+ }
+ A->ref = slang_ref_forbid;
+ }
+ break;
+ case slang_oper_field:
+ {
+ slang_assembly_typeinfo ti_after, ti_before;
+
+ if (!slang_assembly_typeinfo_construct(&ti_after))
+ return GL_FALSE;
+ if (!slang_assembly_typeinfo_construct(&ti_before)) {
+ slang_assembly_typeinfo_destruct(&ti_after);
+ return GL_FALSE;
+ }
+ if (!handle_field(A, &ti_after, &ti_before, op, ref)) {
+ slang_assembly_typeinfo_destruct(&ti_after);
+ slang_assembly_typeinfo_destruct(&ti_before);
+ return GL_FALSE;
+ }
+ slang_assembly_typeinfo_destruct(&ti_after);
+ slang_assembly_typeinfo_destruct(&ti_before);
+ }
+ break;
+ case slang_oper_postincrement:
+ if (!assemble_function_call_name_dummyint(A, "++", op->children))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ case slang_oper_postdecrement:
+ if (!assemble_function_call_name_dummyint(A, "--", op->children))
+ return GL_FALSE;
+ A->ref = slang_ref_forbid;
+ break;
+ default:
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
typedef struct
{
- GLuint index;
- GLubyte *csr;
+ GLuint index;
+ GLubyte *csr;
} fixup;
typedef struct
{
- struct x86_function f;
- struct x86_reg r_eax;
- struct x86_reg r_ecx;
- struct x86_reg r_edx;
+ struct x86_function f;
+ struct x86_reg r_eax;
+ struct x86_reg r_ecx;
+ struct x86_reg r_edx;
struct x86_reg r_ebx;
- struct x86_reg r_esp;
- struct x86_reg r_ebp;
- struct x86_reg r_st0;
- struct x86_reg r_st1;
- struct x86_reg r_st2;
- struct x86_reg r_st3;
+ struct x86_reg r_esp;
+ struct x86_reg r_ebp;
+ struct x86_reg r_st0;
+ struct x86_reg r_st1;
+ struct x86_reg r_st2;
+ struct x86_reg r_st3;
struct x86_reg r_st4;
- fixup *fixups;
- GLuint fixup_count;
- GLubyte **labels;
- slang_machine *mach;
- GLubyte *l_discard;
- GLubyte *l_exit;
- GLshort fpucntl;
+ fixup *fixups;
+ GLuint fixup_count;
+ GLubyte **labels;
+ slang_machine *mach;
+ GLubyte *l_discard;
+ GLubyte *l_exit;
+ GLshort fpucntl;
} codegen_ctx;
-static GLvoid add_fixup (codegen_ctx *G, GLuint index, GLubyte *csr)
+static GLvoid
+add_fixup(codegen_ctx * G, GLuint index, GLubyte * csr)
{
- G->fixups = (fixup *) slang_alloc_realloc (G->fixups, G->fixup_count * sizeof (fixup),
- (G->fixup_count + 1) * sizeof (fixup));
- G->fixups[G->fixup_count].index = index;
- G->fixups[G->fixup_count].csr = csr;
- G->fixup_count++;
+ G->fixups =
+ (fixup *) slang_alloc_realloc(G->fixups, G->fixup_count * sizeof(fixup),
+ (G->fixup_count + 1) * sizeof(fixup));
+ G->fixups[G->fixup_count].index = index;
+ G->fixups[G->fixup_count].csr = csr;
+ G->fixup_count++;
}
#ifdef NO_FAST_MATH
/*
* XXX
- * These should produce a valid code that computes powers. Unfortunately, it does not.
+ * These should produce a valid code that computes powers.
+ * Unfortunately, it does not.
*/
-static void set_fpu_round_neg_inf (codegen_ctx *G)
+static void
+set_fpu_round_neg_inf(codegen_ctx * G)
{
- if (G->fpucntl != RND_NEG_FPU)
- {
- G->fpucntl = RND_NEG_FPU;
- x87_fnclex (&G->f);
- x86_mov_reg_imm (&G->f, G->r_eax, (GLint) &G->mach->x86.fpucntl_rnd_neg);
- x87_fldcw (&G->f, x86_deref (G->r_eax));
- }
+ if (G->fpucntl != RND_NEG_FPU) {
+ G->fpucntl = RND_NEG_FPU;
+ x87_fnclex(&G->f);
+ x86_mov_reg_imm(&G->f, G->r_eax,
+ (GLint) & G->mach->x86.fpucntl_rnd_neg);
+ x87_fldcw(&G->f, x86_deref(G->r_eax));
+ }
}
-static void emit_x87_ex2 (codegen_ctx *G)
+static void
+emit_x87_ex2(codegen_ctx * G)
{
- set_fpu_round_neg_inf (G);
-
- x87_fld (&G->f, G->r_st0); /* a a */
- x87_fprndint (&G->f); /* int(a) a */
- x87_fld (&G->f, G->r_st0); /* int(a) int(a) a */
- x87_fstp (&G->f, G->r_st3); /* int(a) a int(a)*/
- x87_fsubp (&G->f, G->r_st1);/* frac(a) int(a) */
- x87_f2xm1 (&G->f); /* (2^frac(a))-1 int(a)*/
- x87_fld1 (&G->f); /* 1 (2^frac(a))-1 int(a)*/
- x87_faddp (&G->f, G->r_st1);/* 2^frac(a) int(a) */
- x87_fscale (&G->f); /* 2^a */
+ set_fpu_round_neg_inf(G);
+
+ x87_fld(&G->f, G->r_st0); /* a a */
+ x87_fprndint(&G->f); /* int(a) a */
+ x87_fld(&G->f, G->r_st0); /* int(a) int(a) a */
+ x87_fstp(&G->f, G->r_st3); /* int(a) a int(a) */
+ x87_fsubp(&G->f, G->r_st1); /* frac(a) int(a) */
+ x87_f2xm1(&G->f); /* (2^frac(a))-1 int(a) */
+ x87_fld1(&G->f); /* 1 (2^frac(a))-1 int(a) */
+ x87_faddp(&G->f, G->r_st1); /* 2^frac(a) int(a) */
+ x87_fscale(&G->f); /* 2^a */
}
-static void emit_pow (codegen_ctx *G)
+static void
+emit_pow(codegen_ctx * G)
{
- x87_fld (&G->f, x86_deref (G->r_esp));
- x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
- x87_fyl2x (&G->f);
- emit_x87_ex2 (G);
+ x87_fld(&G->f, x86_deref(G->r_esp));
+ x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+ x87_fyl2x(&G->f);
+ emit_x87_ex2(G);
}
#endif
-static GLfloat do_ceilf (GLfloat x)
+static GLfloat
+do_ceilf(GLfloat x)
{
- return CEILF (x);
+ return CEILF(x);
}
-static GLfloat do_floorf (GLfloat x)
+static GLfloat
+do_floorf(GLfloat x)
{
- return FLOORF (x);
+ return FLOORF(x);
}
static GLfloat
-do_ftoi (GLfloat x)
+do_ftoi(GLfloat x)
{
return (GLfloat) ((GLint) (x));
}
-static GLfloat do_powf (GLfloat y, GLfloat x)
+static GLfloat
+do_powf(GLfloat y, GLfloat x)
{
- return (GLfloat) _mesa_pow ((GLdouble) x, (GLdouble) y);
+ return (GLfloat) _mesa_pow((GLdouble) x, (GLdouble) y);
}
static GLvoid
-ensure_infolog_created (slang_info_log **infolog)
+ensure_infolog_created(slang_info_log ** infolog)
{
if (*infolog == NULL) {
- *infolog = slang_alloc_malloc (sizeof (slang_info_log));
+ *infolog = slang_alloc_malloc(sizeof(slang_info_log));
if (*infolog == NULL)
return;
- slang_info_log_construct (*infolog);
+ slang_info_log_construct(*infolog);
}
}
-static GLvoid do_print_float (slang_info_log **infolog, GLfloat x)
+static GLvoid
+do_print_float(slang_info_log ** infolog, GLfloat x)
{
- _mesa_printf ("slang print: %f\n", x);
- ensure_infolog_created (infolog);
- slang_info_log_print (*infolog, "%f", x);
+ _mesa_printf("slang print: %f\n", x);
+ ensure_infolog_created(infolog);
+ slang_info_log_print(*infolog, "%f", x);
}
-static GLvoid do_print_int (slang_info_log **infolog, GLfloat x)
+static GLvoid
+do_print_int(slang_info_log ** infolog, GLfloat x)
{
- _mesa_printf ("slang print: %d\n", (GLint) (x));
- ensure_infolog_created (infolog);
- slang_info_log_print (*infolog, "%d", (GLint) (x));
+ _mesa_printf("slang print: %d\n", (GLint) (x));
+ ensure_infolog_created(infolog);
+ slang_info_log_print(*infolog, "%d", (GLint) (x));
}
-static GLvoid do_print_bool (slang_info_log **infolog, GLfloat x)
+static GLvoid
+do_print_bool(slang_info_log ** infolog, GLfloat x)
{
- _mesa_printf ("slang print: %s\n", (GLint) (x) ? "true" : "false");
- ensure_infolog_created (infolog);
- slang_info_log_print (*infolog, "%s", (GLint) (x) ? "true" : "false");
+ _mesa_printf("slang print: %s\n", (GLint) (x) ? "true" : "false");
+ ensure_infolog_created(infolog);
+ slang_info_log_print(*infolog, "%s", (GLint) (x) ? "true" : "false");
}
#define FLOAT_ONE 0x3f800000
#define FLOAT_ZERO 0
-static GLvoid codegen_assem (codegen_ctx *G, slang_assembly *a, slang_info_log **infolog)
+static GLvoid
+codegen_assem(codegen_ctx * G, slang_assembly * a, slang_info_log ** infolog)
{
- GLint disp, i;
-
- switch (a->type)
- {
- case slang_asm_none:
- break;
- case slang_asm_float_copy:
- case slang_asm_int_copy:
- case slang_asm_bool_copy:
- x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, a->param[0]));
- x86_pop (&G->f, G->r_ecx);
- x86_mov (&G->f, x86_make_disp (G->r_eax, a->param[1]), G->r_ecx);
- break;
- case slang_asm_float_move:
- case slang_asm_int_move:
- case slang_asm_bool_move:
- x86_lea (&G->f, G->r_eax, x86_make_disp (G->r_esp, a->param[1]));
- x86_add (&G->f, G->r_eax, x86_deref (G->r_esp));
- x86_mov (&G->f, G->r_eax, x86_deref (G->r_eax));
- x86_mov (&G->f, x86_make_disp (G->r_esp, a->param[0]), G->r_eax);
- break;
- case slang_asm_float_push:
- case slang_asm_int_push:
- case slang_asm_bool_push:
- /* TODO: use push imm32 */
- x86_mov_reg_imm (&G->f, G->r_eax, *((GLint *) &a->literal));
- x86_push (&G->f, G->r_eax);
- break;
- case slang_asm_float_deref:
- case slang_asm_int_deref:
- case slang_asm_bool_deref:
- case slang_asm_addr_deref:
- x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
- x86_mov (&G->f, G->r_eax, x86_deref (G->r_eax));
- x86_mov (&G->f, x86_deref (G->r_esp), G->r_eax);
- break;
- case slang_asm_float_add:
- x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
- x87_fld (&G->f, x86_deref (G->r_esp));
- x87_faddp (&G->f, G->r_st1);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_multiply:
- x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
- x87_fld (&G->f, x86_deref (G->r_esp));
- x87_fmulp (&G->f, G->r_st1);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_divide:
- x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
- x87_fld (&G->f, x86_deref (G->r_esp));
- x87_fdivp (&G->f, G->r_st1);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_negate:
- x87_fld (&G->f, x86_deref (G->r_esp));
- x87_fchs (&G->f);
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_less:
- x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
- x87_fcomp (&G->f, x86_deref (G->r_esp));
- x87_fnstsw (&G->f, G->r_eax);
- /* TODO: use test r8,imm8 */
- x86_mov_reg_imm (&G->f, G->r_ecx, 0x100);
- x86_test (&G->f, G->r_eax, G->r_ecx);
- {
- GLubyte *lab0, *lab1;
-
- /* TODO: use jcc rel8 */
- lab0 = x86_jcc_forward (&G->f, cc_E);
- x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ONE);
- /* TODO: use jmp rel8 */
- lab1 = x86_jmp_forward (&G->f);
- x86_fixup_fwd_jump (&G->f, lab0);
- x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ZERO);
- x86_fixup_fwd_jump (&G->f, lab1);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- x86_mov (&G->f, x86_deref (G->r_esp), G->r_ecx);
- }
- break;
- case slang_asm_float_equal_exp:
- x87_fld (&G->f, x86_make_disp (G->r_esp, 4));
- x87_fcomp (&G->f, x86_deref (G->r_esp));
- x87_fnstsw (&G->f, G->r_eax);
- /* TODO: use test r8,imm8 */
- x86_mov_reg_imm (&G->f, G->r_ecx, 0x4000);
- x86_test (&G->f, G->r_eax, G->r_ecx);
- {
- GLubyte *lab0, *lab1;
-
- /* TODO: use jcc rel8 */
- lab0 = x86_jcc_forward (&G->f, cc_E);
- x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ONE);
- /* TODO: use jmp rel8 */
- lab1 = x86_jmp_forward (&G->f);
- x86_fixup_fwd_jump (&G->f, lab0);
- x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ZERO);
- x86_fixup_fwd_jump (&G->f, lab1);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- x86_mov (&G->f, x86_deref (G->r_esp), G->r_ecx);
- }
- break;
- case slang_asm_float_equal_int:
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, -4));
- x87_fld (&G->f, x86_make_disp (G->r_esp, a->param[0] + 4));
- x87_fcomp (&G->f, x86_make_disp (G->r_esp, a->param[1] + 4));
- x87_fnstsw (&G->f, G->r_eax);
- /* TODO: use test r8,imm8 */
- x86_mov_reg_imm (&G->f, G->r_ecx, 0x4000);
- x86_test (&G->f, G->r_eax, G->r_ecx);
- {
- GLubyte *lab0, *lab1;
-
- /* TODO: use jcc rel8 */
- lab0 = x86_jcc_forward (&G->f, cc_E);
- x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ONE);
- /* TODO: use jmp rel8 */
- lab1 = x86_jmp_forward (&G->f);
- x86_fixup_fwd_jump (&G->f, lab0);
- x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ZERO);
- x86_fixup_fwd_jump (&G->f, lab1);
- x86_mov (&G->f, x86_deref (G->r_esp), G->r_ecx);
- }
- break;
- case slang_asm_float_to_int:
+ GLint disp, i;
+
+ switch (a->type) {
+ case slang_asm_none:
+ break;
+ case slang_asm_float_copy:
+ case slang_asm_int_copy:
+ case slang_asm_bool_copy:
+ x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, a->param[0]));
+ x86_pop(&G->f, G->r_ecx);
+ x86_mov(&G->f, x86_make_disp(G->r_eax, a->param[1]), G->r_ecx);
+ break;
+ case slang_asm_float_move:
+ case slang_asm_int_move:
+ case slang_asm_bool_move:
+ x86_lea(&G->f, G->r_eax, x86_make_disp(G->r_esp, a->param[1]));
+ x86_add(&G->f, G->r_eax, x86_deref(G->r_esp));
+ x86_mov(&G->f, G->r_eax, x86_deref(G->r_eax));
+ x86_mov(&G->f, x86_make_disp(G->r_esp, a->param[0]), G->r_eax);
+ break;
+ case slang_asm_float_push:
+ case slang_asm_int_push:
+ case slang_asm_bool_push:
+ /* TODO: use push imm32 */
+ x86_mov_reg_imm(&G->f, G->r_eax, *((GLint *) & a->literal));
+ x86_push(&G->f, G->r_eax);
+ break;
+ case slang_asm_float_deref:
+ case slang_asm_int_deref:
+ case slang_asm_bool_deref:
+ case slang_asm_addr_deref:
+ x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
+ x86_mov(&G->f, G->r_eax, x86_deref(G->r_eax));
+ x86_mov(&G->f, x86_deref(G->r_esp), G->r_eax);
+ break;
+ case slang_asm_float_add:
+ x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+ x87_fld(&G->f, x86_deref(G->r_esp));
+ x87_faddp(&G->f, G->r_st1);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_multiply:
+ x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+ x87_fld(&G->f, x86_deref(G->r_esp));
+ x87_fmulp(&G->f, G->r_st1);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_divide:
+ x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+ x87_fld(&G->f, x86_deref(G->r_esp));
+ x87_fdivp(&G->f, G->r_st1);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_negate:
+ x87_fld(&G->f, x86_deref(G->r_esp));
+ x87_fchs(&G->f);
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_less:
+ x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+ x87_fcomp(&G->f, x86_deref(G->r_esp));
+ x87_fnstsw(&G->f, G->r_eax);
+ /* TODO: use test r8,imm8 */
+ x86_mov_reg_imm(&G->f, G->r_ecx, 0x100);
+ x86_test(&G->f, G->r_eax, G->r_ecx);
+ {
+ GLubyte *lab0, *lab1;
+ /* TODO: use jcc rel8 */
+ lab0 = x86_jcc_forward(&G->f, cc_E);
+ x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ONE);
+ /* TODO: use jmp rel8 */
+ lab1 = x86_jmp_forward(&G->f);
+ x86_fixup_fwd_jump(&G->f, lab0);
+ x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ZERO);
+ x86_fixup_fwd_jump(&G->f, lab1);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ x86_mov(&G->f, x86_deref(G->r_esp), G->r_ecx);
+ }
+ break;
+ case slang_asm_float_equal_exp:
+ x87_fld(&G->f, x86_make_disp(G->r_esp, 4));
+ x87_fcomp(&G->f, x86_deref(G->r_esp));
+ x87_fnstsw(&G->f, G->r_eax);
+ /* TODO: use test r8,imm8 */
+ x86_mov_reg_imm(&G->f, G->r_ecx, 0x4000);
+ x86_test(&G->f, G->r_eax, G->r_ecx);
+ {
+ GLubyte *lab0, *lab1;
+ /* TODO: use jcc rel8 */
+ lab0 = x86_jcc_forward(&G->f, cc_E);
+ x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ONE);
+ /* TODO: use jmp rel8 */
+ lab1 = x86_jmp_forward(&G->f);
+ x86_fixup_fwd_jump(&G->f, lab0);
+ x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ZERO);
+ x86_fixup_fwd_jump(&G->f, lab1);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ x86_mov(&G->f, x86_deref(G->r_esp), G->r_ecx);
+ }
+ break;
+ case slang_asm_float_equal_int:
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, -4));
+ x87_fld(&G->f, x86_make_disp(G->r_esp, a->param[0] + 4));
+ x87_fcomp(&G->f, x86_make_disp(G->r_esp, a->param[1] + 4));
+ x87_fnstsw(&G->f, G->r_eax);
+ /* TODO: use test r8,imm8 */
+ x86_mov_reg_imm(&G->f, G->r_ecx, 0x4000);
+ x86_test(&G->f, G->r_eax, G->r_ecx);
+ {
+ GLubyte *lab0, *lab1;
+ /* TODO: use jcc rel8 */
+ lab0 = x86_jcc_forward(&G->f, cc_E);
+ x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ONE);
+ /* TODO: use jmp rel8 */
+ lab1 = x86_jmp_forward(&G->f);
+ x86_fixup_fwd_jump(&G->f, lab0);
+ x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ZERO);
+ x86_fixup_fwd_jump(&G->f, lab1);
+ x86_mov(&G->f, x86_deref(G->r_esp), G->r_ecx);
+ }
+ break;
+ case slang_asm_float_to_int:
/* TODO: use fistp without rounding */
- x86_call (&G->f, (GLubyte *) (do_ftoi));
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_sine:
- /* TODO: use fsin */
- x86_call (&G->f, (GLubyte *) _mesa_sinf);
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_arcsine:
- /* TODO: use fpatan (?) */
- x86_call (&G->f, (GLubyte *) _mesa_asinf);
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_arctan:
- /* TODO: use fpatan */
- x86_call (&G->f, (GLubyte *) _mesa_atanf);
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_power:
- /* TODO: use emit_pow() */
- x86_call (&G->f, (GLubyte *) do_powf);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_log2:
- x87_fld1 (&G->f);
- x87_fld (&G->f, x86_deref (G->r_esp));
- x87_fyl2x (&G->f);
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_floor:
- x86_call (&G->f, (GLubyte *) do_floorf);
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_ceil:
- x86_call (&G->f, (GLubyte *) do_ceilf);
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_noise1:
- x86_call (&G->f, (GLubyte *) _slang_library_noise1);
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_noise2:
- x86_call (&G->f, (GLubyte *) _slang_library_noise2);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_noise3:
- x86_call (&G->f, (GLubyte *) _slang_library_noise4);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 8));
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_float_noise4:
- x86_call (&G->f, (GLubyte *) _slang_library_noise4);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 12));
- x87_fstp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_int_to_float:
- break;
- case slang_asm_int_to_addr:
- x87_fld (&G->f, x86_deref (G->r_esp));
- x87_fistp (&G->f, x86_deref (G->r_esp));
- break;
- case slang_asm_addr_copy:
- x86_pop (&G->f, G->r_eax);
- x86_mov (&G->f, G->r_ecx, x86_deref (G->r_esp));
- x86_mov (&G->f, x86_deref (G->r_ecx), G->r_eax);
- break;
- case slang_asm_addr_push:
- /* TODO: use push imm32 */
- x86_mov_reg_imm (&G->f, G->r_eax, (GLint) a->param[0]);
- x86_push (&G->f, G->r_eax);
- break;
- case slang_asm_addr_add:
- x86_pop (&G->f, G->r_eax);
- x86_add (&G->f, x86_deref (G->r_esp), G->r_eax);
- break;
- case slang_asm_addr_multiply:
- x86_pop (&G->f, G->r_ecx);
- x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
- x86_mul (&G->f, G->r_ecx);
- x86_mov (&G->f, x86_deref (G->r_esp), G->r_eax);
- break;
- case slang_asm_vec4_tex1d:
- x86_call (&G->f, (GLubyte *) _slang_library_tex1d);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 12));
- break;
- case slang_asm_vec4_tex2d:
- x86_call (&G->f, (GLubyte *) _slang_library_tex2d);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
- break;
- case slang_asm_vec4_tex3d:
- x86_call (&G->f, (GLubyte *) _slang_library_tex3d);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 20));
- break;
- case slang_asm_vec4_texcube:
- x86_call (&G->f, (GLubyte *) _slang_library_texcube);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 20));
- break;
- case slang_asm_vec4_shad1d:
- x86_call (&G->f, (GLubyte *) _slang_library_shad1d);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 20));
- break;
- case slang_asm_vec4_shad2d:
- x86_call (&G->f, (GLubyte *) _slang_library_shad2d);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 20));
- break;
- case slang_asm_jump:
- add_fixup (G, a->param[0], x86_jmp_forward (&G->f));
- break;
- case slang_asm_jump_if_zero:
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- x86_xor (&G->f, G->r_eax, G->r_eax);
- x86_cmp (&G->f, G->r_eax, x86_make_disp (G->r_esp, -4));
- {
- GLubyte *lab0;
-
- /* TODO: use jcc rel8 */
- lab0 = x86_jcc_forward (&G->f, cc_NE);
- add_fixup (G, a->param[0], x86_jmp_forward (&G->f));
- x86_fixup_fwd_jump (&G->f, lab0);
- }
- break;
- case slang_asm_enter:
- /* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
- assert (a->param[0] != 0);
- x86_push (&G->f, G->r_ebp);
- x86_lea (&G->f, G->r_ebp, x86_make_disp (G->r_esp, (GLint) a->param[0]));
- break;
- case slang_asm_leave:
- x86_pop (&G->f, G->r_ebp);
- break;
- case slang_asm_local_alloc:
- /* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
- assert (a->param[0] != 0);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, -(GLint) a->param[0]));
- break;
- case slang_asm_local_free:
- /* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
- assert (a->param[0] != 0);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, (GLint) a->param[0]));
- break;
- case slang_asm_local_addr:
- disp = -(GLint) (a->param[0] + a->param[1]) + 4;
- if (disp != 0)
- {
- x86_lea (&G->f, G->r_eax, x86_make_disp (G->r_ebp, disp));
- x86_push (&G->f, G->r_eax);
- }
- else
- x86_push (&G->f, G->r_ebp);
- break;
- case slang_asm_global_addr:
- /* TODO: use push imm32 */
- x86_mov_reg_imm (&G->f, G->r_eax, (GLint) &G->mach->mem + a->param[0]);
- x86_push (&G->f, G->r_eax);
- break;
- case slang_asm_call:
- add_fixup (G, a->param[0], x86_call_forward (&G->f));
- break;
- case slang_asm_return:
- x86_ret (&G->f);
- break;
- case slang_asm_discard:
- x86_jmp (&G->f, G->l_discard);
- break;
- case slang_asm_exit:
- x86_jmp (&G->f, G->l_exit);
- break;
- /* GL_MESA_shader_debug */
+ x86_call(&G->f, (GLubyte *) (do_ftoi));
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_sine:
+ /* TODO: use fsin */
+ x86_call(&G->f, (GLubyte *) _mesa_sinf);
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_arcsine:
+ /* TODO: use fpatan (?) */
+ x86_call(&G->f, (GLubyte *) _mesa_asinf);
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_arctan:
+ /* TODO: use fpatan */
+ x86_call(&G->f, (GLubyte *) _mesa_atanf);
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_power:
+ /* TODO: use emit_pow() */
+ x86_call(&G->f, (GLubyte *) do_powf);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_log2:
+ x87_fld1(&G->f);
+ x87_fld(&G->f, x86_deref(G->r_esp));
+ x87_fyl2x(&G->f);
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_floor:
+ x86_call(&G->f, (GLubyte *) do_floorf);
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_ceil:
+ x86_call(&G->f, (GLubyte *) do_ceilf);
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_noise1:
+ x86_call(&G->f, (GLubyte *) _slang_library_noise1);
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_noise2:
+ x86_call(&G->f, (GLubyte *) _slang_library_noise2);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_noise3:
+ x86_call(&G->f, (GLubyte *) _slang_library_noise4);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 8));
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_float_noise4:
+ x86_call(&G->f, (GLubyte *) _slang_library_noise4);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 12));
+ x87_fstp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_int_to_float:
+ break;
+ case slang_asm_int_to_addr:
+ x87_fld(&G->f, x86_deref(G->r_esp));
+ x87_fistp(&G->f, x86_deref(G->r_esp));
+ break;
+ case slang_asm_addr_copy:
+ x86_pop(&G->f, G->r_eax);
+ x86_mov(&G->f, G->r_ecx, x86_deref(G->r_esp));
+ x86_mov(&G->f, x86_deref(G->r_ecx), G->r_eax);
+ break;
+ case slang_asm_addr_push:
+ /* TODO: use push imm32 */
+ x86_mov_reg_imm(&G->f, G->r_eax, (GLint) a->param[0]);
+ x86_push(&G->f, G->r_eax);
+ break;
+ case slang_asm_addr_add:
+ x86_pop(&G->f, G->r_eax);
+ x86_add(&G->f, x86_deref(G->r_esp), G->r_eax);
+ break;
+ case slang_asm_addr_multiply:
+ x86_pop(&G->f, G->r_ecx);
+ x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
+ x86_mul(&G->f, G->r_ecx);
+ x86_mov(&G->f, x86_deref(G->r_esp), G->r_eax);
+ break;
+ case slang_asm_vec4_tex1d:
+ x86_call(&G->f, (GLubyte *) _slang_library_tex1d);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 12));
+ break;
+ case slang_asm_vec4_tex2d:
+ x86_call(&G->f, (GLubyte *) _slang_library_tex2d);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
+ break;
+ case slang_asm_vec4_tex3d:
+ x86_call(&G->f, (GLubyte *) _slang_library_tex3d);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 20));
+ break;
+ case slang_asm_vec4_texcube:
+ x86_call(&G->f, (GLubyte *) _slang_library_texcube);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 20));
+ break;
+ case slang_asm_vec4_shad1d:
+ x86_call(&G->f, (GLubyte *) _slang_library_shad1d);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 20));
+ break;
+ case slang_asm_vec4_shad2d:
+ x86_call(&G->f, (GLubyte *) _slang_library_shad2d);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 20));
+ break;
+ case slang_asm_jump:
+ add_fixup(G, a->param[0], x86_jmp_forward(&G->f));
+ break;
+ case slang_asm_jump_if_zero:
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ x86_xor(&G->f, G->r_eax, G->r_eax);
+ x86_cmp(&G->f, G->r_eax, x86_make_disp(G->r_esp, -4));
+ {
+ GLubyte *lab0;
+ /* TODO: use jcc rel8 */
+ lab0 = x86_jcc_forward(&G->f, cc_NE);
+ add_fixup(G, a->param[0], x86_jmp_forward(&G->f));
+ x86_fixup_fwd_jump(&G->f, lab0);
+ }
+ break;
+ case slang_asm_enter:
+ /* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
+ assert(a->param[0] != 0);
+ x86_push(&G->f, G->r_ebp);
+ x86_lea(&G->f, G->r_ebp, x86_make_disp(G->r_esp, (GLint) a->param[0]));
+ break;
+ case slang_asm_leave:
+ x86_pop(&G->f, G->r_ebp);
+ break;
+ case slang_asm_local_alloc:
+ /* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
+ assert(a->param[0] != 0);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, -(GLint) a->param[0]));
+ break;
+ case slang_asm_local_free:
+ /* FIXME: x86_make_disp(esp, 0) + x86_lea() generates bogus code */
+ assert(a->param[0] != 0);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, (GLint) a->param[0]));
+ break;
+ case slang_asm_local_addr:
+ disp = -(GLint) (a->param[0] + a->param[1]) + 4;
+ if (disp != 0) {
+ x86_lea(&G->f, G->r_eax, x86_make_disp(G->r_ebp, disp));
+ x86_push(&G->f, G->r_eax);
+ }
+ else
+ x86_push(&G->f, G->r_ebp);
+ break;
+ case slang_asm_global_addr:
+ /* TODO: use push imm32 */
+ x86_mov_reg_imm(&G->f, G->r_eax, (GLint) & G->mach->mem + a->param[0]);
+ x86_push(&G->f, G->r_eax);
+ break;
+ case slang_asm_call:
+ add_fixup(G, a->param[0], x86_call_forward(&G->f));
+ break;
+ case slang_asm_return:
+ x86_ret(&G->f);
+ break;
+ case slang_asm_discard:
+ x86_jmp(&G->f, G->l_discard);
+ break;
+ case slang_asm_exit:
+ x86_jmp(&G->f, G->l_exit);
+ break;
+ /* GL_MESA_shader_debug */
case slang_asm_float_print:
/* TODO: use push imm32 */
- x86_mov_reg_imm (&G->f, G->r_eax, (GLint) (infolog));
- x86_push (&G->f, G->r_eax);
- x86_call (&G->f, (GLubyte *) (do_print_float));
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
+ x86_mov_reg_imm(&G->f, G->r_eax, (GLint) (infolog));
+ x86_push(&G->f, G->r_eax);
+ x86_call(&G->f, (GLubyte *) (do_print_float));
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
break;
- case slang_asm_int_print:
+ case slang_asm_int_print:
/* TODO: use push imm32 */
- x86_mov_reg_imm (&G->f, G->r_eax, (GLint) (infolog));
- x86_push (&G->f, G->r_eax);
- x86_call (&G->f, (GLubyte *) do_print_int);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- break;
- case slang_asm_bool_print:
+ x86_mov_reg_imm(&G->f, G->r_eax, (GLint) (infolog));
+ x86_push(&G->f, G->r_eax);
+ x86_call(&G->f, (GLubyte *) do_print_int);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ break;
+ case slang_asm_bool_print:
/* TODO: use push imm32 */
- x86_mov_reg_imm (&G->f, G->r_eax, (GLint) (infolog));
- x86_push (&G->f, G->r_eax);
- x86_call (&G->f, (GLubyte *) do_print_bool);
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- break;
- /* vec4 */
+ x86_mov_reg_imm(&G->f, G->r_eax, (GLint) (infolog));
+ x86_push(&G->f, G->r_eax);
+ x86_call(&G->f, (GLubyte *) do_print_bool);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ break;
+ /* vec4 */
case slang_asm_float_to_vec4:
/* [vec4] | float > [vec4] */
- x87_fld (&G->f, x86_deref (G->r_esp));
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 4));
- x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
- x87_fst (&G->f, x86_make_disp (G->r_eax, 12));
- x87_fst (&G->f, x86_make_disp (G->r_eax, 8));
- x87_fst (&G->f, x86_make_disp (G->r_eax, 4));
- x87_fstp (&G->f, x86_deref (G->r_eax));
+ x87_fld(&G->f, x86_deref(G->r_esp));
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 4));
+ x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
+ x87_fst(&G->f, x86_make_disp(G->r_eax, 12));
+ x87_fst(&G->f, x86_make_disp(G->r_eax, 8));
+ x87_fst(&G->f, x86_make_disp(G->r_eax, 4));
+ x87_fstp(&G->f, x86_deref(G->r_eax));
break;
case slang_asm_vec4_add:
/* [vec4] | vec4 > [vec4] */
- x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, 16));
+ x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, 16));
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+ x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_esp, i * 4));
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
+ x87_fld(&G->f, x86_make_disp(G->r_esp, i * 4));
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
for (i = 0; i < 4; i++)
- x87_faddp (&G->f, G->r_st4);
+ x87_faddp(&G->f, G->r_st4);
for (i = 0; i < 4; i++)
- x87_fstp (&G->f, x86_make_disp (G->r_eax, 12 - i * 4));
+ x87_fstp(&G->f, x86_make_disp(G->r_eax, 12 - i * 4));
break;
case slang_asm_vec4_subtract:
/* [vec4] | vec4 > [vec4] */
- x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, 16));
+ x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, 16));
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+ x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_esp, i * 4));
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
+ x87_fld(&G->f, x86_make_disp(G->r_esp, i * 4));
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
for (i = 0; i < 4; i++)
- x87_fsubp (&G->f, G->r_st4);
+ x87_fsubp(&G->f, G->r_st4);
for (i = 0; i < 4; i++)
- x87_fstp (&G->f, x86_make_disp (G->r_eax, 12 - i * 4));
+ x87_fstp(&G->f, x86_make_disp(G->r_eax, 12 - i * 4));
break;
case slang_asm_vec4_multiply:
/* [vec4] | vec4 > [vec4] */
- x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, 16));
+ x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, 16));
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+ x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_esp, i * 4));
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
+ x87_fld(&G->f, x86_make_disp(G->r_esp, i * 4));
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
for (i = 0; i < 4; i++)
- x87_fmulp (&G->f, G->r_st4);
+ x87_fmulp(&G->f, G->r_st4);
for (i = 0; i < 4; i++)
- x87_fstp (&G->f, x86_make_disp (G->r_eax, 12 - i * 4));
+ x87_fstp(&G->f, x86_make_disp(G->r_eax, 12 - i * 4));
break;
case slang_asm_vec4_divide:
/* [vec4] | vec4 > [vec4] */
- x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, 16));
+ x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, 16));
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+ x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_esp, i * 4));
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
+ x87_fld(&G->f, x86_make_disp(G->r_esp, i * 4));
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
for (i = 0; i < 4; i++)
- x87_fdivp (&G->f, G->r_st4);
+ x87_fdivp(&G->f, G->r_st4);
for (i = 0; i < 4; i++)
- x87_fstp (&G->f, x86_make_disp (G->r_eax, 12 - i * 4));
+ x87_fstp(&G->f, x86_make_disp(G->r_eax, 12 - i * 4));
break;
case slang_asm_vec4_negate:
/* [vec4] > [vec4] */
- x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
+ x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+ x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
for (i = 0; i < 4; i++) {
- x87_fchs (&G->f);
- x87_fstp (&G->f, x86_make_disp (G->r_eax, 12 - i * 4));
+ x87_fchs(&G->f);
+ x87_fstp(&G->f, x86_make_disp(G->r_eax, 12 - i * 4));
}
break;
case slang_asm_vec4_dot:
/* [vec4] | vec4 > [float] */
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_esp, i * 4));
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, 16));
- x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
+ x87_fld(&G->f, x86_make_disp(G->r_esp, i * 4));
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, 16));
+ x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
for (i = 0; i < 4; i++)
- x87_fld (&G->f, x86_make_disp (G->r_eax, i * 4));
+ x87_fld(&G->f, x86_make_disp(G->r_eax, i * 4));
for (i = 0; i < 4; i++)
- x87_fmulp (&G->f, G->r_st4);
+ x87_fmulp(&G->f, G->r_st4);
for (i = 0; i < 3; i++)
- x87_faddp (&G->f, G->r_st1);
- x87_fstp (&G->f, x86_deref (G->r_eax));
+ x87_faddp(&G->f, G->r_st1);
+ x87_fstp(&G->f, x86_deref(G->r_eax));
break;
case slang_asm_vec4_copy:
/* [vec4] | vec4 > [vec4] */
- x86_mov (&G->f, G->r_eax, x86_make_disp (G->r_esp, a->param[0]));
- x86_pop (&G->f, G->r_ecx);
- x86_pop (&G->f, G->r_edx);
- x86_mov (&G->f, x86_make_disp (G->r_eax, a->param[1]), G->r_ecx);
- x86_pop (&G->f, G->r_ebx);
- x86_mov (&G->f, x86_make_disp (G->r_eax, a->param[1] + 4), G->r_edx);
- x86_pop (&G->f, G->r_ecx);
- x86_mov (&G->f, x86_make_disp (G->r_eax, a->param[1] + 8), G->r_ebx);
- x86_mov (&G->f, x86_make_disp (G->r_eax, a->param[1] + 12), G->r_ecx);
+ x86_mov(&G->f, G->r_eax, x86_make_disp(G->r_esp, a->param[0]));
+ x86_pop(&G->f, G->r_ecx);
+ x86_pop(&G->f, G->r_edx);
+ x86_mov(&G->f, x86_make_disp(G->r_eax, a->param[1]), G->r_ecx);
+ x86_pop(&G->f, G->r_ebx);
+ x86_mov(&G->f, x86_make_disp(G->r_eax, a->param[1] + 4), G->r_edx);
+ x86_pop(&G->f, G->r_ecx);
+ x86_mov(&G->f, x86_make_disp(G->r_eax, a->param[1] + 8), G->r_ebx);
+ x86_mov(&G->f, x86_make_disp(G->r_eax, a->param[1] + 12), G->r_ecx);
break;
case slang_asm_vec4_deref:
/* [vec4] > vec4 */
- x86_mov (&G->f, G->r_eax, x86_deref (G->r_esp));
- x86_mov (&G->f, G->r_ecx, x86_make_disp (G->r_eax, 12));
- x86_mov (&G->f, G->r_edx, x86_make_disp (G->r_eax, 8));
- x86_mov (&G->f, x86_deref (G->r_esp), G->r_ecx);
- x86_mov (&G->f, G->r_ebx, x86_make_disp (G->r_eax, 4));
- x86_push (&G->f, G->r_edx);
- x86_mov (&G->f, G->r_ecx, x86_deref (G->r_eax));
- x86_push (&G->f, G->r_ebx);
- x86_push (&G->f, G->r_ecx);
+ x86_mov(&G->f, G->r_eax, x86_deref(G->r_esp));
+ x86_mov(&G->f, G->r_ecx, x86_make_disp(G->r_eax, 12));
+ x86_mov(&G->f, G->r_edx, x86_make_disp(G->r_eax, 8));
+ x86_mov(&G->f, x86_deref(G->r_esp), G->r_ecx);
+ x86_mov(&G->f, G->r_ebx, x86_make_disp(G->r_eax, 4));
+ x86_push(&G->f, G->r_edx);
+ x86_mov(&G->f, G->r_ecx, x86_deref(G->r_eax));
+ x86_push(&G->f, G->r_ebx);
+ x86_push(&G->f, G->r_ecx);
break;
case slang_asm_vec4_equal_int:
- x86_lea (&G->f, G->r_esp, x86_make_disp (G->r_esp, -4));
- x86_mov_reg_imm (&G->f, G->r_edx, 0x4000);
+ x86_lea(&G->f, G->r_esp, x86_make_disp(G->r_esp, -4));
+ x86_mov_reg_imm(&G->f, G->r_edx, 0x4000);
for (i = 0; i < 4; i++) {
- x87_fld (&G->f, x86_make_disp (G->r_esp, a->param[0] + 4 + i * 4));
- x87_fcomp (&G->f, x86_make_disp (G->r_esp, a->param[1] + 4 + i * 4));
- x87_fnstsw (&G->f, G->r_eax);
- x86_and (&G->f, G->r_edx, G->r_eax);
+ x87_fld(&G->f, x86_make_disp(G->r_esp, a->param[0] + 4 + i * 4));
+ x87_fcomp(&G->f, x86_make_disp(G->r_esp, a->param[1] + 4 + i * 4));
+ x87_fnstsw(&G->f, G->r_eax);
+ x86_and(&G->f, G->r_edx, G->r_eax);
}
/* TODO: use test r8,imm8 */
- x86_mov_reg_imm (&G->f, G->r_ecx, 0x4000);
- x86_test (&G->f, G->r_edx, G->r_ecx);
+ x86_mov_reg_imm(&G->f, G->r_ecx, 0x4000);
+ x86_test(&G->f, G->r_edx, G->r_ecx);
{
GLubyte *lab0, *lab1;
/* TODO: use jcc rel8 */
- lab0 = x86_jcc_forward (&G->f, cc_E);
- x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ONE);
+ lab0 = x86_jcc_forward(&G->f, cc_E);
+ x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ONE);
/* TODO: use jmp rel8 */
- lab1 = x86_jmp_forward (&G->f);
- x86_fixup_fwd_jump (&G->f, lab0);
- x86_mov_reg_imm (&G->f, G->r_ecx, FLOAT_ZERO);
- x86_fixup_fwd_jump (&G->f, lab1);
- x86_mov (&G->f, x86_deref (G->r_esp), G->r_ecx);
+ lab1 = x86_jmp_forward(&G->f);
+ x86_fixup_fwd_jump(&G->f, lab0);
+ x86_mov_reg_imm(&G->f, G->r_ecx, FLOAT_ZERO);
+ x86_fixup_fwd_jump(&G->f, lab1);
+ x86_mov(&G->f, x86_deref(G->r_esp), G->r_ecx);
}
break;
default:
- assert (0);
+ _mesa_problem(NULL, "Unexpected switch case in codegen_assem");
}
}
-GLboolean _slang_x86_codegen (slang_machine *mach, slang_assembly_file *file, GLuint start)
+GLboolean
+_slang_x86_codegen(slang_machine * mach, slang_assembly_file * file,
+ GLuint start)
{
- codegen_ctx G;
- GLubyte *j_body, *j_exit;
- GLuint i;
+ codegen_ctx G;
+ GLubyte *j_body, *j_exit;
+ GLuint i;
/* Free the old code - if any.
*/
if (mach->x86.compiled_func != NULL) {
- _mesa_exec_free (mach->x86.compiled_func);
+ _mesa_exec_free(mach->x86.compiled_func);
mach->x86.compiled_func = NULL;
}
- /*
- * We need as much as 1M because *all* assembly, including built-in library, is
- * being translated to x86.
- * The built-in library occupies 450K, so we can be safe for now.
- * It is going to change in the future, when we get assembly analysis running.
- */
- x86_init_func_size (&G.f, 1048576);
- G.r_eax = x86_make_reg (file_REG32, reg_AX);
- G.r_ecx = x86_make_reg (file_REG32, reg_CX);
- G.r_edx = x86_make_reg (file_REG32, reg_DX);
- G.r_ebx = x86_make_reg (file_REG32, reg_BX);
- G.r_esp = x86_make_reg (file_REG32, reg_SP);
- G.r_ebp = x86_make_reg (file_REG32, reg_BP);
- G.r_st0 = x86_make_reg (file_x87, 0);
- G.r_st1 = x86_make_reg (file_x87, 1);
- G.r_st2 = x86_make_reg (file_x87, 2);
- G.r_st3 = x86_make_reg (file_x87, 3);
- G.r_st4 = x86_make_reg (file_x87, 4);
- G.fixups = NULL;
- G.fixup_count = 0;
- G.labels = (GLubyte **) slang_alloc_malloc (file->count * sizeof (GLubyte *));
- G.mach = mach;
- G.fpucntl = RESTORE_FPU;
-
- mach->x86.fpucntl_rnd_neg = RND_NEG_FPU;
- mach->x86.fpucntl_restore = RESTORE_FPU;
-
- /* prepare stack and jump to start */
- x86_push (&G.f, G.r_ebp);
- x86_mov_reg_imm (&G.f, G.r_eax, (GLint) &mach->x86.esp_restore);
- x86_push (&G.f, G.r_esp);
- x86_pop (&G.f, G.r_ecx);
- x86_mov (&G.f, x86_deref (G.r_eax), G.r_ecx);
- j_body = x86_jmp_forward (&G.f);
-
- /* "discard" instructions jump to this label */
- G.l_discard = x86_get_label (&G.f);
- x86_mov_reg_imm (&G.f, G.r_eax, (GLint) &G.mach->kill);
- x86_mov_reg_imm (&G.f, G.r_ecx, 1);
- x86_mov (&G.f, x86_deref (G.r_eax), G.r_ecx);
- G.l_exit = x86_get_label (&G.f);
- j_exit = x86_jmp_forward (&G.f);
-
- for (i = 0; i < file->count; i++)
- {
- G.labels[i] = x86_get_label (&G.f);
- if (i == start)
- x86_fixup_fwd_jump (&G.f, j_body);
- codegen_assem (&G, &file->code[i], &mach->infolog);
- }
-
- /*
- * Restore stack and return.
- * This must be handled this way, because "discard" can be invoked from any
- * place in the code.
- */
- x86_fixup_fwd_jump (&G.f, j_exit);
- x86_mov_reg_imm (&G.f, G.r_eax, (GLint) &mach->x86.esp_restore);
- x86_mov (&G.f, G.r_esp, x86_deref (G.r_eax));
- x86_pop (&G.f, G.r_ebp);
- if (G.fpucntl != RESTORE_FPU)
- {
- x87_fnclex (&G.f);
- x86_mov_reg_imm (&G.f, G.r_eax, (GLint) &G.mach->x86.fpucntl_restore);
- x87_fldcw (&G.f, x86_deref (G.r_eax));
- }
- x86_ret (&G.f);
-
- /* fixup forward labels */
- for (i = 0; i < G.fixup_count; i++)
- {
- G.f.csr = G.labels[G.fixups[i].index];
- x86_fixup_fwd_jump (&G.f, G.fixups[i].csr);
- }
-
- slang_alloc_free (G.fixups);
- slang_alloc_free (G.labels);
-
- /* install new code */
- mach->x86.compiled_func = (GLvoid (*) (slang_machine *)) x86_get_func (&G.f);
-
- return GL_TRUE;
+ /*
+ * We need as much as 1M because *all* assembly, including built-in library, is
+ * being translated to x86.
+ * The built-in library occupies 450K, so we can be safe for now.
+ * It is going to change in the future, when we get assembly analysis running.
+ */
+ x86_init_func_size(&G.f, 1048576);
+ G.r_eax = x86_make_reg(file_REG32, reg_AX);
+ G.r_ecx = x86_make_reg(file_REG32, reg_CX);
+ G.r_edx = x86_make_reg(file_REG32, reg_DX);
+ G.r_ebx = x86_make_reg(file_REG32, reg_BX);
+ G.r_esp = x86_make_reg(file_REG32, reg_SP);
+ G.r_ebp = x86_make_reg(file_REG32, reg_BP);
+ G.r_st0 = x86_make_reg(file_x87, 0);
+ G.r_st1 = x86_make_reg(file_x87, 1);
+ G.r_st2 = x86_make_reg(file_x87, 2);
+ G.r_st3 = x86_make_reg(file_x87, 3);
+ G.r_st4 = x86_make_reg(file_x87, 4);
+ G.fixups = NULL;
+ G.fixup_count = 0;
+ G.labels =
+ (GLubyte **) slang_alloc_malloc(file->count * sizeof(GLubyte *));
+ G.mach = mach;
+ G.fpucntl = RESTORE_FPU;
+
+ mach->x86.fpucntl_rnd_neg = RND_NEG_FPU;
+ mach->x86.fpucntl_restore = RESTORE_FPU;
+
+ /* prepare stack and jump to start */
+ x86_push(&G.f, G.r_ebp);
+ x86_mov_reg_imm(&G.f, G.r_eax, (GLint) & mach->x86.esp_restore);
+ x86_push(&G.f, G.r_esp);
+ x86_pop(&G.f, G.r_ecx);
+ x86_mov(&G.f, x86_deref(G.r_eax), G.r_ecx);
+ j_body = x86_jmp_forward(&G.f);
+
+ /* "discard" instructions jump to this label */
+ G.l_discard = x86_get_label(&G.f);
+ x86_mov_reg_imm(&G.f, G.r_eax, (GLint) & G.mach->kill);
+ x86_mov_reg_imm(&G.f, G.r_ecx, 1);
+ x86_mov(&G.f, x86_deref(G.r_eax), G.r_ecx);
+ G.l_exit = x86_get_label(&G.f);
+ j_exit = x86_jmp_forward(&G.f);
+
+ for (i = 0; i < file->count; i++) {
+ G.labels[i] = x86_get_label(&G.f);
+ if (i == start)
+ x86_fixup_fwd_jump(&G.f, j_body);
+ codegen_assem(&G, &file->code[i], &mach->infolog);
+ }
+
+ /*
+ * Restore stack and return.
+ * This must be handled this way, because "discard" can be invoked from any
+ * place in the code.
+ */
+ x86_fixup_fwd_jump(&G.f, j_exit);
+ x86_mov_reg_imm(&G.f, G.r_eax, (GLint) & mach->x86.esp_restore);
+ x86_mov(&G.f, G.r_esp, x86_deref(G.r_eax));
+ x86_pop(&G.f, G.r_ebp);
+ if (G.fpucntl != RESTORE_FPU) {
+ x87_fnclex(&G.f);
+ x86_mov_reg_imm(&G.f, G.r_eax, (GLint) & G.mach->x86.fpucntl_restore);
+ x87_fldcw(&G.f, x86_deref(G.r_eax));
+ }
+ x86_ret(&G.f);
+
+ /* fixup forward labels */
+ for (i = 0; i < G.fixup_count; i++) {
+ G.f.csr = G.labels[G.fixups[i].index];
+ x86_fixup_fwd_jump(&G.f, G.fixups[i].csr);
+ }
+
+ slang_alloc_free(G.fixups);
+ slang_alloc_free(G.labels);
+
+ /* install new code */
+ mach->x86.compiled_func = (GLvoid(*)(slang_machine *)) x86_get_func(&G.f);
+
+ return GL_TRUE;
}
#endif
-
projects / mesa.git / commitdiff