* \author Michal Krol
*/
-#include "imports.h"
+#include "main/imports.h"
+#include "shader/prog_instruction.h"
#include "slang_typeinfo.h"
#include "slang_compile.h"
#include "slang_log.h"
-#include "prog_instruction.h"
-
-
+#include "slang_mem.h"
/**
{
if (self->_struct != NULL) {
slang_struct_destruct(self->_struct);
- slang_alloc_free(self->_struct);
+ _slang_free(self->_struct);
}
if (self->_array != NULL) {
slang_type_specifier_dtr(self->_array);
- slang_alloc_free(self->_array);
+ _slang_free(self->_array);
}
}
slang_type_specifier_ctr(&z);
z.type = y->type;
if (z.type == SLANG_SPEC_STRUCT) {
- z._struct = (slang_struct *) slang_alloc_malloc(sizeof(slang_struct));
+ z._struct = (slang_struct *) _slang_alloc(sizeof(slang_struct));
if (z._struct == NULL) {
slang_type_specifier_dtr(&z);
return GL_FALSE;
}
if (!slang_struct_construct(z._struct)) {
- slang_alloc_free(z._struct);
+ _slang_free(z._struct);
slang_type_specifier_dtr(&z);
return GL_FALSE;
}
}
}
else if (z.type == SLANG_SPEC_ARRAY) {
- z._array =
- (slang_type_specifier *)
- slang_alloc_malloc(sizeof(slang_type_specifier));
+ z._array = (slang_type_specifier *)
+ _slang_alloc(sizeof(slang_type_specifier));
if (z._array == NULL) {
slang_type_specifier_dtr(&z);
return GL_FALSE;
GLboolean
slang_typeinfo_construct(slang_typeinfo * ti)
{
+ _mesa_bzero(ti, sizeof(*ti));
slang_type_specifier_ctr(&ti->spec);
ti->array_len = 0;
return GL_TRUE;
}
+
/**
* Determine the return type of a function.
- * \param name name of the function
+ * \param a_name the function name
+ * \param param function parameters (overloading)
+ * \param num_params number of parameters to function
+ * \param space namespace to search
+ * \param spec returns the type
+ * \param funFound returns pointer to the function, or NULL if not found.
+ * \return GL_TRUE for success, GL_FALSE if failure (bad function name)
+ */
+static GLboolean
+_slang_typeof_function(slang_atom a_name,
+ slang_operation * params, GLuint num_params,
+ const slang_name_space * space,
+ slang_type_specifier * spec,
+ slang_function **funFound,
+ slang_atom_pool *atoms, slang_info_log *log)
+{
+ GLboolean error;
+
+ *funFound = _slang_locate_function(space->funcs, a_name, params,
+ num_params, space, atoms, log, &error);
+ if (error)
+ return GL_FALSE;
+
+ if (!*funFound)
+ return GL_TRUE; /* yes, not false */
+
+ return slang_type_specifier_copy(spec, &(*funFound)->header.type.specifier);
+}
+
+
+/**
+ * Determine the type of a math function.
+ * \param name name of the operator, one of +,-,*,/ or unary -
* \param params array of function parameters
* \param num_params number of parameters
* \param space namespace to use
* \return GL_TRUE for success, GL_FALSE if failure
*/
static GLboolean
-typeof_existing_function(const char *name, const slang_operation * params,
- GLuint num_params,
- const slang_name_space * space,
- slang_type_specifier * spec,
- slang_atom_pool * atoms,
- slang_info_log *log)
+typeof_math_call(const char *name, slang_operation *call,
+ const slang_name_space * space,
+ slang_type_specifier * spec,
+ slang_atom_pool * atoms,
+ slang_info_log *log)
{
- slang_atom atom;
- GLboolean exists;
+ if (call->fun) {
+ /* we've previously resolved this function call */
+ slang_type_specifier_copy(spec, &call->fun->header.type.specifier);
+ return GL_TRUE;
+ }
+ else {
+ slang_atom atom;
+ slang_function *fun;
+
+ /* number of params: */
+ assert(call->num_children == 1 || call->num_children == 2);
- atom = slang_atom_pool_atom(atoms, name);
- if (!_slang_typeof_function(atom, params, num_params, space, spec,
- &exists, atoms, log))
+ atom = slang_atom_pool_atom(atoms, name);
+ if (!_slang_typeof_function(atom, call->children, call->num_children,
+ space, spec, &fun, atoms, log))
+ return GL_FALSE;
+
+ if (fun) {
+ /* Save pointer to save time in future */
+ call->fun = fun;
+ return GL_TRUE;
+ }
return GL_FALSE;
- return exists;
+ }
}
GLboolean
_slang_typeof_operation(const slang_assemble_ctx * A,
- const slang_operation * op,
+ slang_operation * op,
slang_typeinfo * ti)
{
return _slang_typeof_operation_(op, &A->space, ti, A->atoms, A->log);
* \return GL_TRUE for success, GL_FALSE if failure
*/
GLboolean
-_slang_typeof_operation_(const slang_operation * op,
+_slang_typeof_operation_(slang_operation * op,
const slang_name_space * space,
slang_typeinfo * ti,
slang_atom_pool * atoms,
switch (op->type) {
case SLANG_OPER_BLOCK_NO_NEW_SCOPE:
case SLANG_OPER_BLOCK_NEW_SCOPE:
- case SLANG_OPER_VARIABLE_DECL:
case SLANG_OPER_ASM:
case SLANG_OPER_BREAK:
case SLANG_OPER_CONTINUE:
case SLANG_OPER_NOTEQUAL:
case SLANG_OPER_LESS:
case SLANG_OPER_GREATER:
- case SLANG_OPER_LESSequal:
- case SLANG_OPER_GREATERequal:
+ case SLANG_OPER_LESSEQUAL:
+ case SLANG_OPER_GREATEREQUAL:
case SLANG_OPER_NOT:
ti->spec.type = SLANG_SPEC_BOOL;
break;
}
break;
case SLANG_OPER_IDENTIFIER:
+ case SLANG_OPER_VARIABLE_DECL:
{
slang_variable *var;
var = _slang_locate_variable(op->locals, op->a_id, GL_TRUE);
/*case SLANG_OPER_LSHIFT: */
/*case SLANG_OPER_RSHIFT: */
case SLANG_OPER_ADD:
- if (!typeof_existing_function("+", op->children, 2, space,
- &ti->spec, atoms, log))
+ assert(op->num_children == 2);
+ if (!typeof_math_call("+", op, space, &ti->spec, atoms, log))
return GL_FALSE;
break;
case SLANG_OPER_SUBTRACT:
- if (!typeof_existing_function("-", op->children, 2, space,
- &ti->spec, atoms, log))
+ assert(op->num_children == 2);
+ if (!typeof_math_call("-", op, space, &ti->spec, atoms, log))
return GL_FALSE;
break;
case SLANG_OPER_MULTIPLY:
- if (!typeof_existing_function("*", op->children, 2, space,
- &ti->spec, atoms, log))
+ assert(op->num_children == 2);
+ if (!typeof_math_call("*", op, space, &ti->spec, atoms, log))
return GL_FALSE;
break;
case SLANG_OPER_DIVIDE:
- if (!typeof_existing_function("/", op->children, 2, space,
- &ti->spec, atoms, log))
+ assert(op->num_children == 2);
+ if (!typeof_math_call("/", op, space, &ti->spec, atoms, log))
return GL_FALSE;
break;
- /*case SLANG_OPER_MODULUS: */
+ /*case SLANG_OPER_MODULUS: */
case SLANG_OPER_PLUS:
if (!_slang_typeof_operation_(op->children, space, ti, atoms, log))
return GL_FALSE;
ti->is_swizzled = GL_FALSE;
break;
case SLANG_OPER_MINUS:
- if (!typeof_existing_function("-", op->children, 1, space,
- &ti->spec, atoms, log))
+ assert(op->num_children == 1);
+ if (!typeof_math_call("-", op, space, &ti->spec, atoms, log))
return GL_FALSE;
break;
/*case SLANG_OPER_COMPLEMENT: */
}
break;
case SLANG_OPER_CALL:
- {
- GLboolean exists;
-
+ if (op->fun) {
+ /* we've resolved this call before */
+ slang_type_specifier_copy(&ti->spec, &op->fun->header.type.specifier);
+ }
+ else {
+ slang_function *fun;
if (!_slang_typeof_function(op->a_id, op->children, op->num_children,
- space, &ti->spec, &exists, atoms, log))
+ space, &ti->spec, &fun, atoms, log))
return GL_FALSE;
- if (!exists) {
+ if (fun) {
+ /* save result for future use */
+ op->fun = fun;
+ }
+ else {
slang_struct *s =
slang_struct_scope_find(space->structs, op->a_id, GL_TRUE);
- if (s != NULL) {
+ if (s) {
+ /* struct initializer */
ti->spec.type = SLANG_SPEC_STRUCT;
ti->spec._struct =
- (slang_struct *) slang_alloc_malloc(sizeof(slang_struct));
+ (slang_struct *) _slang_alloc(sizeof(slang_struct));
if (ti->spec._struct == NULL)
return GL_FALSE;
if (!slang_struct_construct(ti->spec._struct)) {
- slang_alloc_free(ti->spec._struct);
+ _slang_free(ti->spec._struct);
ti->spec._struct = NULL;
return GL_FALSE;
}
return GL_FALSE;
}
else {
+ /* float, int, vec4, mat3, etc. constructor? */
const char *name;
slang_type_specifier_type type;
*/
slang_function *
_slang_locate_function(const slang_function_scope * funcs, slang_atom a_name,
- const slang_operation * args, GLuint num_args,
+ slang_operation * args, GLuint num_args,
const slang_name_space * space, slang_atom_pool * atoms,
- slang_info_log *log)
+ slang_info_log *log, GLboolean *error)
{
+ slang_typeinfo arg_ti[100];
GLuint i;
- for (i = 0; i < funcs->num_functions; i++) {
- slang_function *f = &funcs->functions[i];
- const GLuint haveRetValue = _slang_function_has_return_value(f);
- GLuint j;
-
- if (a_name != f->header.a_name)
- continue;
- if (f->param_count - haveRetValue != num_args)
- continue;
-
- /* compare parameter / argument types */
- for (j = 0; j < num_args; j++) {
- slang_typeinfo ti;
-
- if (!slang_typeinfo_construct(&ti))
- return NULL;
- if (!_slang_typeof_operation_(&args[j], space, &ti, atoms, log)) {
- slang_typeinfo_destruct(&ti);
- return NULL;
- }
- if (!slang_type_specifier_compatible(&ti.spec,
- &f->parameters->variables[j]->type.specifier)) {
- slang_typeinfo_destruct(&ti);
- break;
- }
- slang_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;
+ *error = GL_FALSE;
+
+ /* determine type of each argument */
+ assert(num_args < 100);
+ for (i = 0; i < num_args; i++) {
+ if (!slang_typeinfo_construct(&arg_ti[i]))
+ return NULL;
+ if (!_slang_typeof_operation_(&args[i], space, &arg_ti[i], atoms, log)) {
+ return NULL;
}
- if (j == num_args)
- return f;
}
- if (funcs->outer_scope != NULL)
- return _slang_locate_function(funcs->outer_scope, a_name, args,
- num_args, space, atoms, log);
- return NULL;
-}
+ /* loop over function scopes */
+ while (funcs) {
+
+ /* look for function with matching name and argument/param types */
+ for (i = 0; i < funcs->num_functions; i++) {
+ slang_function *f = &funcs->functions[i];
+ const GLuint haveRetValue = _slang_function_has_return_value(f);
+ GLuint j;
+
+ if (a_name != f->header.a_name)
+ continue;
+ if (f->param_count - haveRetValue != num_args)
+ continue;
+
+ /* compare parameter / argument types */
+ for (j = 0; j < num_args; j++) {
+ if (!slang_type_specifier_compatible(&arg_ti[j].spec,
+ &f->parameters->variables[j]->type.specifier)) {
+ /* param/arg types don't match */
+ break;
+ }
+ /* "out" and "inout" formal parameter requires the actual
+ * argument to be an l-value.
+ */
+ if (!arg_ti[j].can_be_referenced &&
+ (f->parameters->variables[j]->type.qualifier == SLANG_QUAL_OUT ||
+ f->parameters->variables[j]->type.qualifier == SLANG_QUAL_INOUT)) {
+ /* param is not an lvalue! */
+ *error = GL_TRUE;
+ return NULL;
+ }
+ }
-/**
- * Determine the return type of a function.
- * \param a_name the function name
- * \param param function parameters (overloading)
- * \param num_params number of parameters to function
- * \param space namespace to search
- * \param exists returns GL_TRUE or GL_FALSE to indicate existance of function
- * \return GL_TRUE for success, GL_FALSE if failure (bad function name)
- */
-GLboolean
-_slang_typeof_function(slang_atom a_name, const slang_operation * params,
- GLuint num_params,
- const slang_name_space * space,
- slang_type_specifier * spec, GLboolean * exists,
- slang_atom_pool *atoms, slang_info_log *log)
-{
- slang_function *fun = _slang_locate_function(space->funcs, a_name, params,
- num_params, space, atoms, log);
- *exists = fun != NULL;
- if (!fun)
- return GL_TRUE; /* yes, not false */
- return slang_type_specifier_copy(spec, &fun->header.type.specifier);
-}
+ if (j == num_args) {
+ /* name and args match! */
+ return f;
+ }
+ }
+
+ funcs = funcs->outer_scope;
+ }
+ return NULL;
+}
/**
case SLANG_SPEC_MAT2:
case SLANG_SPEC_MAT3:
case SLANG_SPEC_MAT4:
+ case SLANG_SPEC_MAT23:
+ case SLANG_SPEC_MAT32:
+ case SLANG_SPEC_MAT24:
+ case SLANG_SPEC_MAT42:
+ case SLANG_SPEC_MAT34:
+ case SLANG_SPEC_MAT43:
return GL_TRUE;
default:
return GL_FALSE;
/**
- * Given a vector type, return the type of the vector's elements
+ * Determine if a type is a float, float vector or float matrix.
+ * \return GL_TRUE if so, GL_FALSE otherwise
+ */
+GLboolean
+_slang_type_is_float_vec_mat(slang_type_specifier_type ty)
+{
+ switch (ty) {
+ case SLANG_SPEC_FLOAT:
+ case SLANG_SPEC_VEC2:
+ case SLANG_SPEC_VEC3:
+ case SLANG_SPEC_VEC4:
+ case SLANG_SPEC_MAT2:
+ case SLANG_SPEC_MAT3:
+ case SLANG_SPEC_MAT4:
+ case SLANG_SPEC_MAT23:
+ case SLANG_SPEC_MAT32:
+ case SLANG_SPEC_MAT24:
+ case SLANG_SPEC_MAT42:
+ case SLANG_SPEC_MAT34:
+ case SLANG_SPEC_MAT43:
+ return GL_TRUE;
+ default:
+ return GL_FALSE;
+ }
+}
+
+
+/**
+ * Given a vector type, return the type of the vector's elements.
+ * For a matrix, return the type of the columns.
*/
slang_type_specifier_type
_slang_type_base(slang_type_specifier_type ty)
return SLANG_SPEC_VEC3;
case SLANG_SPEC_MAT4:
return SLANG_SPEC_VEC4;
+ case SLANG_SPEC_MAT23:
+ return SLANG_SPEC_VEC3;
+ case SLANG_SPEC_MAT32:
+ return SLANG_SPEC_VEC2;
+ case SLANG_SPEC_MAT24:
+ return SLANG_SPEC_VEC4;
+ case SLANG_SPEC_MAT42:
+ return SLANG_SPEC_VEC2;
+ case SLANG_SPEC_MAT34:
+ return SLANG_SPEC_VEC4;
+ case SLANG_SPEC_MAT43:
+ return SLANG_SPEC_VEC3;
default:
return SLANG_SPEC_VOID;
}
/**
- * Return the dimensionality of a vector or matrix type.
+ * Return the dimensionality of a vector, or for a matrix, return number
+ * of columns.
*/
GLuint
_slang_type_dim(slang_type_specifier_type ty)
case SLANG_SPEC_BVEC4:
case SLANG_SPEC_MAT4:
return 4;
+
+ case SLANG_SPEC_MAT23:
+ return 2;
+ case SLANG_SPEC_MAT32:
+ return 3;
+ case SLANG_SPEC_MAT24:
+ return 2;
+ case SLANG_SPEC_MAT42:
+ return 4;
+ case SLANG_SPEC_MAT34:
+ return 3;
+ case SLANG_SPEC_MAT43:
+ return 4;
+
default:
return 0;
}
}
+
+
+/**
+ * Return the GL_* type that corresponds to a SLANG_SPEC_* type.
+ */
+GLenum
+_slang_gltype_from_specifier(const slang_type_specifier *type)
+{
+ switch (type->type) {
+ case SLANG_SPEC_BOOL:
+ return GL_BOOL;
+ case SLANG_SPEC_BVEC2:
+ return GL_BOOL_VEC2;
+ case SLANG_SPEC_BVEC3:
+ return GL_BOOL_VEC3;
+ case SLANG_SPEC_BVEC4:
+ return GL_BOOL_VEC4;
+ case SLANG_SPEC_INT:
+ return GL_INT;
+ case SLANG_SPEC_IVEC2:
+ return GL_INT_VEC2;
+ case SLANG_SPEC_IVEC3:
+ return GL_INT_VEC3;
+ case SLANG_SPEC_IVEC4:
+ return GL_INT_VEC4;
+ case SLANG_SPEC_FLOAT:
+ return GL_FLOAT;
+ case SLANG_SPEC_VEC2:
+ return GL_FLOAT_VEC2;
+ case SLANG_SPEC_VEC3:
+ return GL_FLOAT_VEC3;
+ case SLANG_SPEC_VEC4:
+ return GL_FLOAT_VEC4;
+ case SLANG_SPEC_MAT2:
+ return GL_FLOAT_MAT2;
+ case SLANG_SPEC_MAT3:
+ return GL_FLOAT_MAT3;
+ case SLANG_SPEC_MAT4:
+ return GL_FLOAT_MAT4;
+ case SLANG_SPEC_MAT23:
+ return GL_FLOAT_MAT2x3;
+ case SLANG_SPEC_MAT32:
+ return GL_FLOAT_MAT3x2;
+ case SLANG_SPEC_MAT24:
+ return GL_FLOAT_MAT2x4;
+ case SLANG_SPEC_MAT42:
+ return GL_FLOAT_MAT4x2;
+ case SLANG_SPEC_MAT34:
+ return GL_FLOAT_MAT3x4;
+ case SLANG_SPEC_MAT43:
+ return GL_FLOAT_MAT4x3;
+ case SLANG_SPEC_SAMPLER1D:
+ return GL_SAMPLER_1D;
+ case SLANG_SPEC_SAMPLER2D:
+ return GL_SAMPLER_2D;
+ case SLANG_SPEC_SAMPLER3D:
+ return GL_SAMPLER_3D;
+ case SLANG_SPEC_SAMPLERCUBE:
+ return GL_SAMPLER_CUBE;
+ case SLANG_SPEC_SAMPLER1DSHADOW:
+ return GL_SAMPLER_1D_SHADOW;
+ case SLANG_SPEC_SAMPLER2DSHADOW:
+ return GL_SAMPLER_2D_SHADOW;
+ case SLANG_SPEC_SAMPLER2DRECT:
+ return GL_SAMPLER_2D_RECT_ARB;
+ case SLANG_SPEC_SAMPLER2DRECTSHADOW:
+ return GL_SAMPLER_2D_RECT_SHADOW_ARB;
+ case SLANG_SPEC_ARRAY:
+ return _slang_gltype_from_specifier(type->_array);
+ case SLANG_SPEC_STRUCT:
+ /* fall-through */
+ default:
+ return GL_NONE;
+ }
+}
+