*/
/**
- * \file slang_assemble_typeinfo.c
+ * \file slang_typeinfo.c
* slang type info
* \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_error.h"
-#include "prog_instruction.h"
-
-
+#include "slang_log.h"
+#include "slang_mem.h"
/**
* do not have duplicated fields. Returns GL_TRUE if this is a
* swizzle mask. Returns GL_FALSE otherwise
*/
-GLboolean
+static GLboolean
_slang_is_swizzle_mask(const slang_swizzle * swz, GLuint rows)
{
GLuint i, c = 0;
* Combines (multiplies) two swizzles to form single swizzle.
* Example: "vec.wzyx.yx" --> "vec.zw".
*/
-GLvoid
+static void
_slang_multiply_swizzles(slang_swizzle * dst, const slang_swizzle * left,
const slang_swizzle * right)
{
}
+typedef struct
+{
+ const char *name;
+ slang_type_specifier_type type;
+} type_specifier_type_name;
+
+static const type_specifier_type_name type_specifier_type_names[] = {
+ {"void", SLANG_SPEC_VOID},
+ {"bool", SLANG_SPEC_BOOL},
+ {"bvec2", SLANG_SPEC_BVEC2},
+ {"bvec3", SLANG_SPEC_BVEC3},
+ {"bvec4", SLANG_SPEC_BVEC4},
+ {"int", SLANG_SPEC_INT},
+ {"ivec2", SLANG_SPEC_IVEC2},
+ {"ivec3", SLANG_SPEC_IVEC3},
+ {"ivec4", SLANG_SPEC_IVEC4},
+ {"float", SLANG_SPEC_FLOAT},
+ {"vec2", SLANG_SPEC_VEC2},
+ {"vec3", SLANG_SPEC_VEC3},
+ {"vec4", SLANG_SPEC_VEC4},
+ {"mat2", SLANG_SPEC_MAT2},
+ {"mat3", SLANG_SPEC_MAT3},
+ {"mat4", SLANG_SPEC_MAT4},
+ {"mat2x3", SLANG_SPEC_MAT23},
+ {"mat3x2", SLANG_SPEC_MAT32},
+ {"mat2x4", SLANG_SPEC_MAT24},
+ {"mat4x2", SLANG_SPEC_MAT42},
+ {"mat3x4", SLANG_SPEC_MAT34},
+ {"mat4x3", SLANG_SPEC_MAT43},
+ {"sampler1D", SLANG_SPEC_SAMPLER1D},
+ {"sampler2D", SLANG_SPEC_SAMPLER2D},
+ {"sampler3D", SLANG_SPEC_SAMPLER3D},
+ {"samplerCube", SLANG_SPEC_SAMPLERCUBE},
+ {"sampler1DShadow", SLANG_SPEC_SAMPLER1DSHADOW},
+ {"sampler2DShadow", SLANG_SPEC_SAMPLER2DSHADOW},
+ {"sampler2DRect", SLANG_SPEC_SAMPLER2DRECT},
+ {"sampler2DRectShadow", SLANG_SPEC_SAMPLER2DRECTSHADOW},
+ {NULL, SLANG_SPEC_VOID}
+};
+
+slang_type_specifier_type
+slang_type_specifier_type_from_string(const char *name)
+{
+ const type_specifier_type_name *p = type_specifier_type_names;
+ while (p->name != NULL) {
+ if (slang_string_compare(p->name, name) == 0)
+ break;
+ p++;
+ }
+ return p->type;
+}
+
+const char *
+slang_type_specifier_type_to_string(slang_type_specifier_type type)
+{
+ const type_specifier_type_name *p = type_specifier_type_names;
+ while (p->name != NULL) {
+ if (p->type == type)
+ break;
+ p++;
+ }
+ return p->name;
+}
+
+/* slang_fully_specified_type */
+
+int
+slang_fully_specified_type_construct(slang_fully_specified_type * type)
+{
+ type->qualifier = SLANG_QUAL_NONE;
+ slang_type_specifier_ctr(&type->specifier);
+ return 1;
+}
+
+void
+slang_fully_specified_type_destruct(slang_fully_specified_type * type)
+{
+ slang_type_specifier_dtr(&type->specifier);
+}
+
+int
+slang_fully_specified_type_copy(slang_fully_specified_type * x,
+ const slang_fully_specified_type * y)
+{
+ slang_fully_specified_type z;
+
+ if (!slang_fully_specified_type_construct(&z))
+ return 0;
+ z.qualifier = y->qualifier;
+ z.precision = y->precision;
+ z.variant = y->variant;
+ z.centroid = y->centroid;
+ z.array_len = y->array_len;
+ if (!slang_type_specifier_copy(&z.specifier, &y->specifier)) {
+ slang_fully_specified_type_destruct(&z);
+ return 0;
+ }
+ slang_fully_specified_type_destruct(x);
+ *x = z;
+ return 1;
+}
+
+
+
GLvoid
slang_type_specifier_ctr(slang_type_specifier * self)
{
{
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 *
+slang_type_specifier_new(slang_type_specifier_type type,
+ struct slang_struct_ *_struct,
+ struct slang_type_specifier_ *_array)
+{
+ slang_type_specifier *spec =
+ (slang_type_specifier *) _slang_alloc(sizeof(slang_type_specifier));
+ if (spec) {
+ spec->type = type;
+ spec->_struct = _struct;
+ spec->_array = _array;
+ }
+ return spec;
+}
+
GLboolean
slang_type_specifier_copy(slang_type_specifier * x,
const slang_type_specifier * y)
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;
/**
* As above, but allow float/int casting.
*/
-static GLboolean
+GLboolean
slang_type_specifier_compatible(const slang_type_specifier * x,
const slang_type_specifier * y)
{
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_function_locate(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)
+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;
- atom = slang_atom_pool_atom(atoms, name);
- if (!_slang_typeof_function(atom, params, num_params, space, spec,
- &exists, atoms))
- return GL_FALSE;
- return exists;
-}
+ /* number of params: */
+ assert(call->num_children == 1 || call->num_children == 2);
-GLboolean
-_slang_typeof_operation(const slang_assemble_ctx * A,
- const slang_operation * op,
- slang_typeinfo * ti)
-{
- return _slang_typeof_operation_(op, &A->space, ti, A->atoms);
+ 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 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)
+ slang_atom_pool * atoms,
+ slang_info_log *log)
{
ti->can_be_referenced = GL_FALSE;
ti->is_swizzled = GL_FALSE;
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_DIVASSIGN:
case SLANG_OPER_PREINCREMENT:
case SLANG_OPER_PREDECREMENT:
- if (!_slang_typeof_operation_(op->children, space, ti, atoms))
+ if (!_slang_typeof_operation(op->children, space, ti, atoms, log))
return GL_FALSE;
break;
case SLANG_OPER_LITERAL_BOOL:
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);
- if (var == NULL)
- RETURN_ERROR2("undefined variable", (char *) op->a_id, 0);
- if (!slang_type_specifier_copy(&ti->spec, &var->type.specifier))
- RETURN_OUT_OF_MEMORY();
+ var = _slang_variable_locate(op->locals, op->a_id, GL_TRUE);
+ if (!var) {
+ slang_info_log_error(log, "undefined variable '%s'",
+ (char *) op->a_id);
+ return GL_FALSE;
+ }
+ if (!slang_type_specifier_copy(&ti->spec, &var->type.specifier)) {
+ slang_info_log_memory(log);
+ return GL_FALSE;
+ }
ti->can_be_referenced = GL_TRUE;
- ti->array_len = var->array_len;
+ if (var->type.specifier.type == SLANG_SPEC_ARRAY &&
+ var->type.array_len >= 1) {
+ /* the datatype is an array, ex: float[3] x; */
+ ti->array_len = var->type.array_len;
+ }
+ else {
+ /* the variable is an array, ex: float x[3]; */
+ ti->array_len = var->array_len;
+ }
}
break;
case SLANG_OPER_SEQUENCE:
/* TODO: check [0] and [1] if they match */
- if (!_slang_typeof_operation_(&op->children[1], space, ti, atoms))
- RETURN_NIL();
+ if (!_slang_typeof_operation(&op->children[1], space, ti, atoms, log)) {
+ return GL_FALSE;
+ }
ti->can_be_referenced = GL_FALSE;
ti->is_swizzled = GL_FALSE;
break;
/*case SLANG_OPER_ANDASSIGN: */
case SLANG_OPER_SELECT:
/* TODO: check [1] and [2] if they match */
- if (!_slang_typeof_operation_(&op->children[1], space, ti, atoms))
- RETURN_NIL();
+ if (!_slang_typeof_operation(&op->children[1], space, ti, atoms, log)) {
+ return GL_FALSE;
+ }
ti->can_be_referenced = GL_FALSE;
ti->is_swizzled = GL_FALSE;
break;
/*case SLANG_OPER_LSHIFT: */
/*case SLANG_OPER_RSHIFT: */
case SLANG_OPER_ADD:
- if (!typeof_existing_function("+", op->children, 2, space,
- &ti->spec, atoms))
- RETURN_NIL();
+ 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))
- RETURN_NIL();
+ 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))
- RETURN_NIL();
+ 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))
- RETURN_NIL();
+ 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))
- RETURN_NIL();
+ if (!_slang_typeof_operation(op->children, space, ti, atoms, log))
+ return GL_FALSE;
ti->can_be_referenced = GL_FALSE;
ti->is_swizzled = GL_FALSE;
break;
case SLANG_OPER_MINUS:
- if (!typeof_existing_function("-", op->children, 1, space,
- &ti->spec, atoms))
- RETURN_NIL();
+ assert(op->num_children == 1);
+ if (!typeof_math_call("-", op, space, &ti->spec, atoms, log))
+ return GL_FALSE;
break;
/*case SLANG_OPER_COMPLEMENT: */
case SLANG_OPER_SUBSCRIPT:
slang_typeinfo _ti;
if (!slang_typeinfo_construct(&_ti))
- RETURN_NIL();
- if (!_slang_typeof_operation_(op->children, space, &_ti, atoms)) {
+ return GL_FALSE;
+ if (!_slang_typeof_operation(op->children, space, &_ti, atoms, log)) {
slang_typeinfo_destruct(&_ti);
- RETURN_NIL();
+ return GL_FALSE;
}
ti->can_be_referenced = _ti.can_be_referenced;
if (_ti.spec.type == SLANG_SPEC_ARRAY) {
if (!slang_type_specifier_copy(&ti->spec, _ti.spec._array)) {
slang_typeinfo_destruct(&_ti);
- RETURN_NIL();
+ return GL_FALSE;
}
}
else {
if (!_slang_type_is_vector(_ti.spec.type)
&& !_slang_type_is_matrix(_ti.spec.type)) {
slang_typeinfo_destruct(&_ti);
- RETURN_ERROR("cannot index a non-array type", 0);
+ slang_info_log_error(log, "cannot index a non-array type");
+ return GL_FALSE;
}
ti->spec.type = _slang_type_base(_ti.spec.type);
}
}
break;
case SLANG_OPER_CALL:
- {
- GLboolean exists;
-
+ if (op->array_constructor) {
+ /* build array typeinfo */
+ ti->spec.type = SLANG_SPEC_ARRAY;
+ ti->spec._array = (slang_type_specifier *)
+ _slang_alloc(sizeof(slang_type_specifier));
+ slang_type_specifier_ctr(ti->spec._array);
+
+ ti->spec._array->type =
+ slang_type_specifier_type_from_string((char *) op->a_id);
+ ti->array_len = op->num_children;
+ }
+ else 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))
- RETURN_NIL();
- if (!exists) {
+ space, &ti->spec, &fun, atoms, log))
+ return GL_FALSE;
+ 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_NIL();
+ 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_NIL();
+ return GL_FALSE;
}
if (!slang_struct_copy(ti->spec._struct, s))
- RETURN_NIL();
+ return GL_FALSE;
}
else {
+ /* float, int, vec4, mat3, etc. constructor? */
const char *name;
slang_type_specifier_type type;
name = slang_atom_pool_id(atoms, op->a_id);
type = slang_type_specifier_type_from_string(name);
- if (type == SLANG_SPEC_VOID)
- RETURN_ERROR2("function not found", name, 0);
+ if (type == SLANG_SPEC_VOID) {
+ slang_info_log_error(log, "undefined function '%s'", name);
+ return GL_FALSE;
+ }
ti->spec.type = type;
}
}
}
break;
+ case SLANG_OPER_METHOD:
+ /* at this time, GLSL 1.20 only has one method: array.length()
+ * which returns an integer.
+ */
+ ti->spec.type = SLANG_SPEC_INT;
+ break;
case SLANG_OPER_FIELD:
{
slang_typeinfo _ti;
if (!slang_typeinfo_construct(&_ti))
- RETURN_NIL();
- if (!_slang_typeof_operation_(op->children, space, &_ti, atoms)) {
+ return GL_FALSE;
+ if (!_slang_typeof_operation(op->children, space, &_ti, atoms, log)) {
slang_typeinfo_destruct(&_ti);
- RETURN_NIL();
+ return GL_FALSE;
}
if (_ti.spec.type == SLANG_SPEC_STRUCT) {
slang_variable *field;
- field = _slang_locate_variable(_ti.spec._struct->fields, op->a_id,
+ field = _slang_variable_locate(_ti.spec._struct->fields, op->a_id,
GL_FALSE);
if (field == NULL) {
slang_typeinfo_destruct(&_ti);
- RETURN_NIL();
+ return GL_FALSE;
}
if (!slang_type_specifier_copy(&ti->spec, &field->type.specifier)) {
slang_typeinfo_destruct(&_ti);
- RETURN_NIL();
+ return GL_FALSE;
}
ti->can_be_referenced = _ti.can_be_referenced;
+ ti->array_len = field->array_len;
}
else {
GLuint rows;
slang_type_specifier_type base;
/* determine the swizzle of the field expression */
-#if 000
if (!_slang_type_is_vector(_ti.spec.type)) {
slang_typeinfo_destruct(&_ti);
- RETURN_ERROR("Can't swizzle scalar expression", 0);
+ slang_info_log_error(log, "Can't swizzle scalar expression");
+ return GL_FALSE;
}
-#endif
rows = _slang_type_dim(_ti.spec.type);
swizzle = slang_atom_pool_id(atoms, op->a_id);
if (!_slang_is_swizzle(swizzle, rows, &ti->swz)) {
slang_typeinfo_destruct(&_ti);
- RETURN_ERROR("Bad swizzle", 0);
+ slang_info_log_error(log, "bad swizzle '%s'", swizzle);
+ return GL_FALSE;
}
ti->is_swizzled = GL_TRUE;
ti->can_be_referenced = _ti.can_be_referenced
break;
case SLANG_OPER_POSTINCREMENT:
case SLANG_OPER_POSTDECREMENT:
- if (!_slang_typeof_operation_(op->children, space, ti, atoms))
- RETURN_NIL();
+ if (!_slang_typeof_operation(op->children, space, ti, atoms, log))
+ return GL_FALSE;
ti->can_be_referenced = GL_FALSE;
ti->is_swizzled = GL_FALSE;
break;
default:
- RETURN_NIL();
+ return GL_FALSE;
}
return GL_TRUE;
}
-/**
- * Lookup a function according to name and parameter count/types.
- */
-slang_function *
-_slang_locate_function(const slang_function_scope * funcs, slang_atom a_name,
- const slang_operation * args, GLuint num_args,
- const slang_name_space * space, slang_atom_pool * atoms)
-{
- 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)) {
- 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;
- }
- 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);
- 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_function *fun = _slang_locate_function(space->funcs, a_name, params,
- num_params, space, atoms);
- *exists = fun != NULL;
- if (!fun)
- return GL_TRUE; /* yes, not false */
- return slang_type_specifier_copy(spec, &fun->header.type.specifier);
-}
-
-
-
/**
* Determine if a type is a matrix.
* \return GL_TRUE if is a matrix, GL_FALSE otherwise.
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;
+ }
+}
+
projects / mesa.git / blobdiff