static const glsl_type *u8vec(unsigned components);
/**@}*/
- /**
- * For numeric and boolean derived types returns the basic scalar type
- *
- * If the type is a numeric or boolean scalar, vector, or matrix type,
- * this function gets the scalar type of the individual components. For
- * all other types, including arrays of numeric or boolean types, the
- * error type is returned.
- */
const glsl_type *get_base_type() const;
-
- /**
- * Get the basic scalar type which this type aggregates.
- *
- * If the type is a numeric or boolean scalar, vector, or matrix, or an
- * array of any of those, this function gets the scalar type of the
- * individual components. For structs and arrays of structs, this function
- * returns the struct type. For samplers and arrays of samplers, this
- * function returns the sampler type.
- */
const glsl_type *get_scalar_type() const;
-
- /**
- * Gets the "bare" type without any decorations or layout information.
- */
const glsl_type *get_bare_type() const;
-
- /**
- * Gets the float16 version of this type.
- */
const glsl_type *get_float16_type() const;
-
- /**
- * Gets the int16 version of this type.
- */
const glsl_type *get_int16_type() const;
-
- /**
- * Gets the uint16 version of this type.
- */
const glsl_type *get_uint16_type() const;
- /**
- * Get the instance of a built-in scalar, vector, or matrix type
- */
static const glsl_type *get_instance(unsigned base_type, unsigned rows,
unsigned columns,
unsigned explicit_stride = 0,
bool row_major = false,
unsigned explicit_alignment = 0);
- /**
- * Get the instance of a sampler type
- */
static const glsl_type *get_sampler_instance(enum glsl_sampler_dim dim,
bool shadow,
bool array,
static const glsl_type *get_image_instance(enum glsl_sampler_dim dim,
bool array, glsl_base_type type);
- /**
- * Get the instance of an array type
- */
static const glsl_type *get_array_instance(const glsl_type *element,
unsigned array_size,
unsigned explicit_stride = 0);
- /**
- * Get the instance of a cooperative matrix type
- */
static const glsl_type *get_cmat_instance(const struct glsl_cmat_description desc);
- /**
- * Get the instance of a record type
- */
static const glsl_type *get_struct_instance(const glsl_struct_field *fields,
unsigned num_fields,
const char *name,
bool packed = false,
unsigned explicit_alignment = 0);
- /**
- * Get the instance of an interface block type
- */
static const glsl_type *get_interface_instance(const glsl_struct_field *fields,
unsigned num_fields,
enum glsl_interface_packing packing,
bool row_major,
const char *block_name);
- /**
- * Get the instance of an subroutine type
- */
static const glsl_type *get_subroutine_instance(const char *subroutine_name);
- /**
- * Get the type resulting from a multiplication of \p type_a * \p type_b
- */
static const glsl_type *get_mul_type(const glsl_type *type_a,
const glsl_type *type_b);
- /**
- * Query the total number of scalars that make up a scalar, vector or matrix
- */
unsigned components() const;
-
- /**
- * Calculate the number of components slots required to hold this type
- *
- * This is used to determine how many uniform or varying locations a type
- * might occupy.
- */
unsigned component_slots() const;
-
unsigned component_slots_aligned(unsigned offset) const;
-
- /**
- * Calculate offset between the base location of the struct in
- * uniform storage and a struct member.
- * For the initial call, length is the index of the member to find the
- * offset for.
- */
unsigned struct_location_offset(unsigned length) const;
-
- /**
- * Calculate the number of unique values from glGetUniformLocation for the
- * elements of the type.
- *
- * This is used to allocate slots in the UniformRemapTable, the amount of
- * locations may not match with actual used storage space by the driver.
- */
unsigned uniform_locations() const;
-
- /**
- * Used to count the number of varyings contained in the type ignoring
- * innermost array elements.
- */
unsigned varying_count() const;
-
- /**
- * Calculate the number of vec4 slots required to hold this type.
- *
- * This is the underlying recursive type_size function for
- * count_attribute_slots() (vertex inputs and varyings) but also for
- * gallium's !PIPE_CAP_PACKED_UNIFORMS case.
- */
unsigned count_vec4_slots(bool is_gl_vertex_input, bool bindless) const;
-
- /**
- * Calculate the number of vec4 slots required to hold this type.
- *
- * This is the underlying recursive type_size function for
- * gallium's PIPE_CAP_PACKED_UNIFORMS case.
- */
unsigned count_dword_slots(bool bindless) const;
-
- /**
- * Calculate the number of attribute slots required to hold this type
- *
- * This implements the language rules of GLSL 1.50 for counting the number
- * of slots used by a vertex attribute. It also determines the number of
- * varying slots the type will use up in the absence of varying packing
- * (and thus, it can be used to measure the number of varying slots used by
- * the varyings that are generated by lower_packed_varyings).
- *
- * For vertex shader attributes - doubles only take one slot.
- * For inter-shader varyings - dvec3/dvec4 take two slots.
- *
- * Vulkan doesn’t make this distinction so the argument should always be
- * false.
- */
unsigned count_attribute_slots(bool is_gl_vertex_input) const;
-
- /**
- * Alignment in bytes of the start of this type in a std140 uniform
- * block.
- */
unsigned std140_base_alignment(bool row_major) const;
-
- /** Size in bytes of this type in a std140 uniform block.
- *
- * Note that this is not GL_UNIFORM_SIZE (which is the number of
- * elements in the array)
- */
unsigned std140_size(bool row_major) const;
-
- /**
- * Gets an explicitly laid out type with the std140 layout.
- */
- const glsl_type *get_explicit_std140_type(bool row_major) const;
-
- /**
- * Alignment in bytes of the start of this type in a std430 shader
- * storage block.
- */
unsigned std430_base_alignment(bool row_major) const;
-
- /**
- * Calculate array stride in bytes of this type in a std430 shader storage
- * block.
- */
unsigned std430_array_stride(bool row_major) const;
-
- /**
- * Size in bytes of this type in a std430 shader storage block.
- *
- * Note that this is not GL_BUFFER_SIZE
- */
unsigned std430_size(bool row_major) const;
+ unsigned cl_alignment() const;
+ unsigned cl_size() const;
+ unsigned explicit_size(bool align_to_stride=false) const;
+ unsigned arrays_of_arrays_size() const;
+ unsigned bit_size() const;
+ unsigned atomic_size() const;
- /**
- * Gets an explicitly laid out type with the std430 layout.
- */
- const glsl_type *get_explicit_std430_type(bool row_major) const;
+ int field_index(const char *name) const;
+ int array_size() const;
+ int coordinate_components() const;
- /**
- * Gets an explicitly laid out interface type.
- */
+ const glsl_type *replace_vec3_with_vec4() const;
+ const glsl_type *get_explicit_std140_type(bool row_major) const;
+ const glsl_type *get_explicit_std430_type(bool row_major) const;
const glsl_type *get_explicit_interface_type(bool supports_std430) const;
-
- /** Returns an explicitly laid out type given a type and size/align func
- *
- * The size/align func is only called for scalar and vector types and the
- * returned type is otherwise laid out in the natural way as follows:
- *
- * - Arrays and matrices have a stride of ALIGN(elem_size, elem_align).
- *
- * - Structure types have their elements in-order and as tightly packed as
- * possible following the alignment required by the size/align func.
- *
- * - All composite types (structures, matrices, and arrays) have an
- * alignment equal to the highest alignment of any member of the composite.
- *
- * The types returned by this function are likely not suitable for most UBO
- * or SSBO layout because they do not add the extra array and substructure
- * alignment that is required by std140 and std430.
- */
const glsl_type *get_explicit_type_for_size_align(glsl_type_size_align_func type_info,
unsigned *size, unsigned *align) const;
+ const glsl_type *without_array() const;
+ const glsl_type *row_type() const;
+ const glsl_type *column_type() const;
- const glsl_type *replace_vec3_with_vec4() const;
-
- /**
- * Alignment in bytes of the start of this type in OpenCL memory.
- */
- unsigned cl_alignment() const;
-
- /**
- * Size in bytes of this type in OpenCL memory
- */
- unsigned cl_size() const;
-
- /**
- * Size in bytes of this type based on its explicit data.
- *
- * When using SPIR-V shaders (ARB_gl_spirv), memory layouts are expressed
- * through explicit offset, stride and matrix layout, so the size
- * can/should be computed used those values.
- *
- * Note that the value returned by this method is only correct if such
- * values are set, so only with SPIR-V shaders. Should not be used with
- * GLSL shaders.
- */
- unsigned explicit_size(bool align_to_stride=false) const;
-
- /**
- * Query whether or not a type is a scalar (non-vector and non-matrix).
- */
bool is_scalar() const;
-
- /**
- * Query whether or not a type is a vector
- */
bool is_vector() const;
-
- /**
- * Query whether or not a type is a matrix
- */
bool is_matrix() const;
-
- /**
- * Query whether or not a type is a non-array numeric type
- */
bool is_numeric() const;
-
- /**
- * Query whether or not a type is an integer.
- */
bool is_integer() const;
-
- /**
- * Query whether or not a type is a 16-bit integer.
- */
bool is_integer_16() const;
-
- /**
- * Query whether or not a type is an 32-bit integer.
- */
bool is_integer_32() const;
-
- /**
- * Query whether or not a type is a 64-bit integer.
- */
bool is_integer_64() const;
-
- /**
- * Query whether or not a type is a 32-bit or 64-bit integer
- */
bool is_integer_32_64() const;
-
- /**
- * Query whether or not a type is a 16-bit or 32-bit integer
- */
bool is_integer_16_32() const;
-
- /**
- * Query whether or not a type is a 16-bit, 32-bit or 64-bit integer
- */
bool is_integer_16_32_64() const;
-
- /**
- * Query whether or not type is an integral type, or for struct and array
- * types, contains an integral type.
- */
- bool contains_integer() const;
-
- /**
- * Query whether or not type is a double type, or for struct, interface and
- * array types, contains a double type.
- */
- bool contains_double() const;
-
- /**
- * Query whether or not type is a 64-bit type, or for struct, interface and
- * array types, contains a double type.
- */
- bool contains_64bit() const;
-
- /**
- * Query whether or not a type is a float type
- */
bool is_float() const;
-
- /**
- * Query whether or not a type is a half-float or float type
- */
bool is_float_16_32() const;
-
- /**
- * Query whether or not a type is a half-float, float or double
- */
bool is_float_16_32_64() const;
-
- /**
- * Query whether or not a type is a float or double
- */
bool is_float_32_64() const;
-
bool is_int_16_32_64() const;
-
bool is_uint_16_32_64() const;
-
bool is_int_16_32() const;
-
bool is_uint_16_32() const;
-
- /**
- * Query whether or not a type is a double type
- */
bool is_double() const;
-
- /**
- * Query whether a 64-bit type takes two slots.
- */
bool is_dual_slot() const;
-
- /**
- * Query whether or not a type is 64-bit
- */
bool is_64bit() const;
-
- /**
- * Query whether or not a type is 16-bit
- */
bool is_16bit() const;
-
- /**
- * Query whether or not a type is 32-bit
- */
bool is_32bit() const;
-
- /**
- * Query whether or not a type is a non-array boolean type
- */
bool is_boolean() const;
-
- /**
- * Query whether or not a type is a sampler
- */
bool is_sampler() const;
-
- /**
- * Query whether or not a type is a texture
- */
bool is_texture() const;
-
- /**
- * Query whether or not type is a sampler, or for struct, interface and
- * array types, contains a sampler.
- */
- bool contains_sampler() const;
-
- /**
- * Query whether or not type is an array or for struct, interface and
- * array types, contains an array.
- */
- bool contains_array() const;
-
- /**
- * Query whether or not type is an image, or for struct, interface and
- * array types, contains an image.
- */
- bool contains_image() const;
-
- /**
- * Query whether or not a type is an image
- */
bool is_image() const;
-
- /**
- * Query whether or not a type is an array
- */
bool is_array() const;
-
bool is_array_of_arrays() const;
-
bool is_cmat() const;
-
- /**
- * Query whether or not a type is a record
- */
bool is_struct() const;
-
- /**
- * Query whether or not a type is an interface
- */
bool is_interface() const;
-
- /**
- * Query whether or not a type is the void type singleton.
- */
bool is_void() const;
-
- /**
- * Query whether or not a type is the error type singleton.
- */
bool is_error() const;
-
- /**
- * Query if a type is unnamed/anonymous (named by the parser)
- */
-
bool is_subroutine() const;
- bool contains_subroutine() const;
- bool is_anonymous() const;
-
- /**
- * Get the type stripped of any arrays
- *
- * \return
- * Pointer to the type of elements of the first non-array type for array
- * types, or pointer to itself for non-array types.
- */
- const glsl_type *without_array() const;
-
- /**
- * Return the total number of elements in an array including the elements
- * in arrays of arrays.
- */
- unsigned arrays_of_arrays_size() const;
-
- /**
- * Return bit size for this type.
- */
- unsigned bit_size() const;
-
-
- /**
- * Query whether or not a type is an atomic_uint.
- */
bool is_atomic_uint() const;
+ bool is_unsized_array() const;
- /**
- * Return the amount of atomic counter storage required for a type.
- */
- unsigned atomic_size() const;
-
- /**
- * Return whether a type contains any atomic counters.
- */
+ bool contains_integer() const;
+ bool contains_double() const;
+ bool contains_64bit() const;
+ bool contains_sampler() const;
+ bool contains_array() const;
+ bool contains_image() const;
+ bool contains_subroutine() const;
bool contains_atomic() const;
-
- /**
- * Return whether a type contains any opaque types.
- */
bool contains_opaque() const;
- /**
- * Query the full type of a matrix row
- *
- * \return
- * If the type is not a matrix, \c glsl_type::error_type is returned.
- * Otherwise a type matching the rows of the matrix is returned.
- */
- const glsl_type *row_type() const;
-
- /**
- * Query the full type of a matrix column
- *
- * \return
- * If the type is not a matrix, \c glsl_type::error_type is returned.
- * Otherwise a type matching the columns of the matrix is returned.
- */
- const glsl_type *column_type() const;
-
- /**
- * Get the type of a structure field
- *
- * \return
- * Pointer to the type of the named field. If the type is not a structure
- * or the named field does not exist, \c glsl_type::error_type is returned.
- */
- const glsl_type *field_type(const char *name) const;
-
- /**
- * Get the location of a field within a record type
- */
- int field_index(const char *name) const;
-
- /**
- * Query the number of elements in an array type
- *
- * \return
- * The number of elements in the array for array types or -1 for non-array
- * types. If the number of elements in the array has not yet been declared,
- * zero is returned.
- */
- int array_size() const;
-
- /**
- * Query whether the array size for all dimensions has been declared.
- */
- bool is_unsized_array() const;
-
- /**
- * Return the number of coordinate components needed for this
- * sampler or image type.
- *
- * This is based purely on the sampler's dimensionality. For example, this
- * returns 1 for sampler1D, and 3 for sampler2DArray.
- *
- * Note that this is often different than actual coordinate type used in
- * a texturing built-in function, since those pack additional values (such
- * as the shadow comparator or projector) into the coordinate type.
- */
- int coordinate_components() const;
-
- /**
- * Compares whether this type matches another type without taking into
- * account the precision in structures.
- *
- * This is applied recursively so that structures containing structure
- * members can also ignore the precision.
- */
bool compare_no_precision(const glsl_type *b) const;
-
- /**
- * Compare a record type against another record type.
- *
- * This is useful for matching record types declared on the same shader
- * stage as well as across different shader stages.
- * The option to not match name is needed for matching record types
- * declared across different shader stages.
- * The option to not match locations is to deal with places where the
- * same struct is defined in a block which has a location set on it.
- */
bool record_compare(const glsl_type *b, bool match_name,
bool match_locations = true,
bool match_precision = true) const;
- /**
- * Get the type interface packing.
- */
enum glsl_interface_packing get_interface_packing() const;
+ enum glsl_interface_packing get_internal_ifc_packing(bool std430_supported) const;
+ bool get_interface_row_major() const;
/**
- * Get the type interface packing used internally. For shared and packing
- * layouts this is implementation defined.
+ * Query if a type is unnamed/anonymous (named by the parser)
*/
- enum glsl_interface_packing get_internal_ifc_packing(bool std430_supported) const;
+ bool is_anonymous() const;
/**
- * Check if the type interface is row major
+ * Get the type of a structure field
+ *
+ * \return
+ * Pointer to the type of the named field. If the type is not a structure
+ * or the named field does not exist, \c glsl_type::error_type is returned.
*/
- bool get_interface_row_major() const;
+ const glsl_type *field_type(const char *name) const;
#endif /* __cplusplus */
};
bool glsl_type_is_vector_or_scalar(const struct glsl_type *t);
bool glsl_type_is_matrix(const struct glsl_type *t);
bool glsl_type_is_array_or_matrix(const struct glsl_type *t);
+
+/**
+ * Query whether a 64-bit type takes two slots.
+ */
bool glsl_type_is_dual_slot(const struct glsl_type *t);
+
bool glsl_type_is_leaf(const struct glsl_type *type);
static inline bool
return t->packed;
}
+/**
+ * Gets the "bare" type without any decorations or layout information.
+ */
const struct glsl_type *glsl_get_bare_type(const struct glsl_type *t);
+
+/**
+ * Get the basic scalar type which this type aggregates.
+ *
+ * If the type is a numeric or boolean scalar, vector, or matrix, or an
+ * array of any of those, this function gets the scalar type of the
+ * individual components. For structs and arrays of structs, this function
+ * returns the struct type. For samplers and arrays of samplers, this
+ * function returns the sampler type.
+ */
const struct glsl_type *glsl_get_scalar_type(const struct glsl_type *t);
+
+/**
+ * For numeric and boolean derived types returns the basic scalar type
+ *
+ * If the type is a numeric or boolean scalar, vector, or matrix type,
+ * this function gets the scalar type of the individual components. For
+ * all other types, including arrays of numeric or boolean types, the
+ * error type is returned.
+ */
const struct glsl_type *glsl_get_base_glsl_type(const struct glsl_type *t);
unsigned glsl_get_length(const struct glsl_type *t);
return t->vector_elements;
}
+/**
+ * Query the total number of scalars that make up a scalar, vector or matrix
+ */
static inline unsigned
glsl_get_components(const struct glsl_type *t)
{
const struct glsl_type *glsl_type_wrap_in_arrays(const struct glsl_type *t,
const struct glsl_type *arrays);
+
+/**
+ * Query the number of elements in an array type
+ *
+ * \return
+ * The number of elements in the array for array types or -1 for non-array
+ * types. If the number of elements in the array has not yet been declared,
+ * zero is returned.
+ */
static inline int
glsl_array_size(const struct glsl_type *t)
{
return glsl_type_is_array(t) ? t->length : -1;
}
+/**
+ * Return the total number of elements in an array including the elements
+ * in arrays of arrays.
+ */
unsigned glsl_get_aoa_size(const struct glsl_type *t);
+
const struct glsl_type *glsl_get_array_element(const struct glsl_type *t);
+
+/**
+ * Get the type stripped of any arrays
+ *
+ * \return
+ * Pointer to the type of elements of the first non-array type for array
+ * types, or pointer to itself for non-array types.
+ */
const struct glsl_type *glsl_without_array(const struct glsl_type *t);
+
const struct glsl_type *glsl_without_array_or_matrix(const struct glsl_type *t);
const struct glsl_type *glsl_type_wrap_in_arrays(const struct glsl_type *t,
const struct glsl_type *arrays);
const struct glsl_type *glsl_get_cmat_element(const struct glsl_type *t);
const struct glsl_cmat_description *glsl_get_cmat_description(const struct glsl_type *t);
+/**
+ * Return the amount of atomic counter storage required for a type.
+ */
unsigned glsl_atomic_size(const struct glsl_type *type);
+/**
+ * Type A contains type B if A is B or A is a composite type (struct,
+ * interface, array) that has an element that contains B.
+ */
bool glsl_type_contains_64bit(const struct glsl_type *t);
bool glsl_type_contains_image(const struct glsl_type *t);
bool glsl_contains_atomic(const struct glsl_type *t);
return (enum glsl_base_type)t->sampled_type;
}
+/**
+ * Return the number of coordinate components needed for this
+ * sampler or image type.
+ *
+ * This is based purely on the sampler's dimensionality. For example, this
+ * returns 1 for sampler1D, and 3 for sampler2DArray.
+ *
+ * Note that this is often different than actual coordinate type used in
+ * a texturing built-in function, since those pack additional values (such
+ * as the shadow comparator or projector) into the coordinate type.
+ */
int glsl_get_sampler_coordinate_components(const struct glsl_type *t);
+/**
+ * Compares whether this type matches another type without taking into
+ * account the precision in structures.
+ *
+ * This is applied recursively so that structures containing structure
+ * members can also ignore the precision.
+ */
bool glsl_type_compare_no_precision(const struct glsl_type *a, const struct glsl_type *b);
+
+/**
+ * Compare a record type against another record type.
+ *
+ * This is useful for matching record types declared on the same shader
+ * stage as well as across different shader stages.
+ * The option to not match name is needed for matching record types
+ * declared across different shader stages.
+ * The option to not match locations is to deal with places where the
+ * same struct is defined in a block which has a location set on it.
+ */
bool glsl_record_compare(const struct glsl_type *a, const struct glsl_type *b,
bool match_name, bool match_locations,
bool match_precision);
const struct glsl_type *glsl_get_struct_field(const struct glsl_type *t, unsigned index);
const struct glsl_struct_field *glsl_get_struct_field_data(const struct glsl_type *t, unsigned index);
+
+/**
+ * Calculate offset between the base location of the struct in
+ * uniform storage and a struct member.
+ * For the initial call, length is the index of the member to find the
+ * offset for.
+ */
unsigned glsl_get_struct_location_offset(const struct glsl_type *t, unsigned length);
+
+/**
+ * Get the location of a field within a record type
+ */
int glsl_get_field_index(const struct glsl_type *t, const char *name);
static inline int
const char *block_name);
const struct glsl_type *glsl_subroutine_type(const char *subroutine_name);
+/**
+ * Query the full type of a matrix row
+ *
+ * \return
+ * If the type is not a matrix, \c glsl_type::error_type is returned.
+ * Otherwise a type matching the rows of the matrix is returned.
+ */
const struct glsl_type *glsl_get_row_type(const struct glsl_type *t);
+
+/**
+ * Query the full type of a matrix column
+ *
+ * \return
+ * If the type is not a matrix, \c glsl_type::error_type is returned.
+ * Otherwise a type matching the columns of the matrix is returned.
+ */
const struct glsl_type *glsl_get_column_type(const struct glsl_type *t);
+
+/** Returns an explicitly laid out type given a type and size/align func
+ *
+ * The size/align func is only called for scalar and vector types and the
+ * returned type is otherwise laid out in the natural way as follows:
+ *
+ * - Arrays and matrices have a stride of ALIGN(elem_size, elem_align).
+ *
+ * - Structure types have their elements in-order and as tightly packed as
+ * possible following the alignment required by the size/align func.
+ *
+ * - All composite types (structures, matrices, and arrays) have an
+ * alignment equal to the highest alignment of any member of the composite.
+ *
+ * The types returned by this function are likely not suitable for most UBO
+ * or SSBO layout because they do not add the extra array and substructure
+ * alignment that is required by std140 and std430.
+ */
const struct glsl_type *glsl_get_explicit_type_for_size_align(const struct glsl_type *type,
glsl_type_size_align_func type_info,
unsigned *size, unsigned *align);
+
const struct glsl_type *glsl_type_replace_vec3_with_vec4(const struct glsl_type *type);
+/**
+ * Gets the float16 version of this type.
+ */
const struct glsl_type *glsl_float16_type(const struct glsl_type *t);
+
+/**
+ * Gets the int16 version of this type.
+ */
const struct glsl_type *glsl_int16_type(const struct glsl_type *t);
+
+/**
+ * Gets the uint16 version of this type.
+ */
const struct glsl_type *glsl_uint16_type(const struct glsl_type *t);
+
const struct glsl_type *glsl_type_to_16bit(const struct glsl_type *old_type);
static inline const struct glsl_type *
const struct glsl_type *glsl_replace_vector_type(const struct glsl_type *t, unsigned components);
const struct glsl_type *glsl_channel_type(const struct glsl_type *t);
+
+/**
+ * Get the type resulting from a multiplication of \p type_a * \p type_b
+ */
const struct glsl_type *glsl_get_mul_type(const struct glsl_type *type_a, const struct glsl_type *type_b);
unsigned glsl_type_get_sampler_count(const struct glsl_type *t);
unsigned glsl_type_get_texture_count(const struct glsl_type *t);
unsigned glsl_type_get_image_count(const struct glsl_type *t);
+/**
+ * Calculate the number of vec4 slots required to hold this type.
+ *
+ * This is the underlying recursive type_size function for
+ * count_attribute_slots() (vertex inputs and varyings) but also for
+ * gallium's !PIPE_CAP_PACKED_UNIFORMS case.
+ */
unsigned glsl_count_vec4_slots(const struct glsl_type *t, bool is_gl_vertex_input, bool is_bindless);
+
+/**
+ * Calculate the number of vec4 slots required to hold this type.
+ *
+ * This is the underlying recursive type_size function for
+ * gallium's PIPE_CAP_PACKED_UNIFORMS case.
+ */
unsigned glsl_count_dword_slots(const struct glsl_type *t, bool is_bindless);
+
+/**
+ * Calculate the number of components slots required to hold this type
+ *
+ * This is used to determine how many uniform or varying locations a type
+ * might occupy.
+ */
unsigned glsl_get_component_slots(const struct glsl_type *t);
+
unsigned glsl_get_component_slots_aligned(const struct glsl_type *t, unsigned offset);
+
+/**
+ * Used to count the number of varyings contained in the type ignoring
+ * innermost array elements.
+ */
unsigned glsl_varying_count(const struct glsl_type *t);
+
+/**
+ * Calculate the number of unique values from glGetUniformLocation for the
+ * elements of the type.
+ *
+ * This is used to allocate slots in the UniformRemapTable, the amount of
+ * locations may not match with actual used storage space by the driver.
+ */
unsigned glsl_type_uniform_locations(const struct glsl_type *t);
+/**
+ * Calculate the number of attribute slots required to hold this type
+ *
+ * This implements the language rules of GLSL 1.50 for counting the number
+ * of slots used by a vertex attribute. It also determines the number of
+ * varying slots the type will use up in the absence of varying packing
+ * (and thus, it can be used to measure the number of varying slots used by
+ * the varyings that are generated by lower_packed_varyings).
+ *
+ * For vertex shader attributes - doubles only take one slot.
+ * For inter-shader varyings - dvec3/dvec4 take two slots.
+ *
+ * Vulkan doesn’t make this distinction so the argument should always be
+ * false.
+ */
static inline unsigned
glsl_count_attribute_slots(const struct glsl_type *t, bool is_gl_vertex_input)
{
return glsl_count_vec4_slots(t, is_gl_vertex_input, true);
}
+/**
+ * Size in bytes of this type in OpenCL memory
+ */
unsigned glsl_get_cl_size(const struct glsl_type *t);
+
+/**
+ * Alignment in bytes of the start of this type in OpenCL memory.
+ */
unsigned glsl_get_cl_alignment(const struct glsl_type *t);
+
void glsl_get_cl_type_size_align(const struct glsl_type *t,
unsigned *size, unsigned *align);
+/**
+ * Get the type interface packing used internally. For shared and packing
+ * layouts this is implementation defined.
+ */
enum glsl_interface_packing glsl_get_internal_ifc_packing(const struct glsl_type *t, bool std430_supported);
static inline enum glsl_interface_packing
return (enum glsl_interface_packing)t->interface_packing;
}
+/**
+ * Alignment in bytes of the start of this type in a std140 uniform
+ * block.
+ */
unsigned glsl_get_std140_base_alignment(const struct glsl_type *t, bool row_major);
+
+/** Size in bytes of this type in a std140 uniform block.
+ *
+ * Note that this is not GL_UNIFORM_SIZE (which is the number of
+ * elements in the array)
+ */
unsigned glsl_get_std140_size(const struct glsl_type *t, bool row_major);
+
+/**
+ * Calculate array stride in bytes of this type in a std430 shader storage
+ * block.
+ */
unsigned glsl_get_std430_array_stride(const struct glsl_type *t, bool row_major);
+
+/**
+ * Alignment in bytes of the start of this type in a std430 shader
+ * storage block.
+ */
unsigned glsl_get_std430_base_alignment(const struct glsl_type *t, bool row_major);
+
+/**
+ * Size in bytes of this type in a std430 shader storage block.
+ *
+ * Note that this is not GL_BUFFER_SIZE
+ */
unsigned glsl_get_std430_size(const struct glsl_type *t, bool row_major);
+
+/**
+ * Size in bytes of this type based on its explicit data.
+ *
+ * When using SPIR-V shaders (ARB_gl_spirv), memory layouts are expressed
+ * through explicit offset, stride and matrix layout, so the size
+ * can/should be computed used those values.
+ *
+ * Note that the value returned by this method is only correct if such
+ * values are set, so only with SPIR-V shaders. Should not be used with
+ * GLSL shaders.
+ */
unsigned glsl_get_explicit_size(const struct glsl_type *t, bool align_to_stride);
static inline unsigned
return t->explicit_alignment;
}
+/**
+ * Gets an explicitly laid out type with the std140 layout.
+ */
const struct glsl_type *glsl_get_explicit_std140_type(const struct glsl_type *t, bool row_major);
+
+/**
+ * Gets an explicitly laid out type with the std430 layout.
+ */
const struct glsl_type *glsl_get_explicit_std430_type(const struct glsl_type *t, bool row_major);
+/**
+ * Gets an explicitly laid out interface type.
+ */
static inline const struct glsl_type *
glsl_get_explicit_interface_type(const struct glsl_type *t, bool supports_std430)
{
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