* DEALINGS IN THE SOFTWARE.
*/
-#pragma once
#ifndef GLSL_TYPES_H
#define GLSL_TYPES_H
#include <string.h>
#include <assert.h>
+#include "shader_enums.h"
+#include "blob.h"
+#include "c11/threads.h"
+
+#ifdef __cplusplus
+#include "main/config.h"
+#endif
+
+struct glsl_type;
+
#ifdef __cplusplus
extern "C" {
#endif
extern void
_mesa_glsl_release_types(void);
+void encode_type_to_blob(struct blob *blob, const struct glsl_type *type);
+
+const struct glsl_type *decode_type_from_blob(struct blob_reader *blob);
+
#ifdef __cplusplus
}
#endif
enum glsl_base_type {
+ /* Note: GLSL_TYPE_UINT, GLSL_TYPE_INT, and GLSL_TYPE_FLOAT must be 0, 1,
+ * and 2 so that they will fit in the 2 bits of glsl_type::sampled_type.
+ */
GLSL_TYPE_UINT = 0,
GLSL_TYPE_INT,
GLSL_TYPE_FLOAT,
+ GLSL_TYPE_FLOAT16,
GLSL_TYPE_DOUBLE,
+ GLSL_TYPE_UINT8,
+ GLSL_TYPE_INT8,
+ GLSL_TYPE_UINT16,
+ GLSL_TYPE_INT16,
+ GLSL_TYPE_UINT64,
+ GLSL_TYPE_INT64,
GLSL_TYPE_BOOL,
GLSL_TYPE_SAMPLER,
GLSL_TYPE_IMAGE,
GLSL_TYPE_ERROR
};
+static inline bool glsl_base_type_is_16bit(enum glsl_base_type type)
+{
+ return type == GLSL_TYPE_FLOAT16 ||
+ type == GLSL_TYPE_UINT16 ||
+ type == GLSL_TYPE_INT16;
+}
+
+static inline bool glsl_base_type_is_64bit(enum glsl_base_type type)
+{
+ return type == GLSL_TYPE_DOUBLE ||
+ type == GLSL_TYPE_UINT64 ||
+ type == GLSL_TYPE_INT64 ||
+ type == GLSL_TYPE_IMAGE ||
+ type == GLSL_TYPE_SAMPLER;
+}
+
+static inline bool glsl_base_type_is_integer(enum glsl_base_type type)
+{
+ return type == GLSL_TYPE_UINT ||
+ type == GLSL_TYPE_INT ||
+ type == GLSL_TYPE_UINT64 ||
+ type == GLSL_TYPE_INT64 ||
+ type == GLSL_TYPE_BOOL ||
+ type == GLSL_TYPE_SAMPLER ||
+ type == GLSL_TYPE_IMAGE;
+}
+
enum glsl_sampler_dim {
GLSL_SAMPLER_DIM_1D = 0,
GLSL_SAMPLER_DIM_2D,
GLSL_SAMPLER_DIM_RECT,
GLSL_SAMPLER_DIM_BUF,
GLSL_SAMPLER_DIM_EXTERNAL,
- GLSL_SAMPLER_DIM_MS
-};
-
-enum glsl_interface_packing {
- GLSL_INTERFACE_PACKING_STD140,
- GLSL_INTERFACE_PACKING_SHARED,
- GLSL_INTERFACE_PACKING_PACKED,
- GLSL_INTERFACE_PACKING_STD430
+ GLSL_SAMPLER_DIM_MS,
+ GLSL_SAMPLER_DIM_SUBPASS, /* for vulkan input attachments */
+ GLSL_SAMPLER_DIM_SUBPASS_MS, /* for multisampled vulkan input attachments */
};
enum glsl_matrix_layout {
#ifdef __cplusplus
#include "GL/gl.h"
#include "util/ralloc.h"
-#include "main/mtypes.h" /* for gl_texture_index, C++'s enum rules are broken */
+#include "main/menums.h" /* for gl_texture_index, C++'s enum rules are broken */
struct glsl_type {
GLenum gl_type;
- glsl_base_type base_type;
+ glsl_base_type base_type:8;
+
+ glsl_base_type sampled_type:8; /**< Type of data returned using this
+ * sampler or image. Only \c
+ * GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
+ * and \c GLSL_TYPE_UINT are valid.
+ */
- unsigned sampler_dimensionality:3; /**< \see glsl_sampler_dim */
+ unsigned sampler_dimensionality:4; /**< \see glsl_sampler_dim */
unsigned sampler_shadow:1;
unsigned sampler_array:1;
- unsigned sampled_type:2; /**< Type of data returned using this
- * sampler or image. Only \c
- * GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
- * and \c GLSL_TYPE_UINT are valid.
- */
unsigned interface_packing:2;
+ unsigned interface_row_major:1;
- /* Callers of this ralloc-based new need not call delete. It's
- * easier to just ralloc_free 'mem_ctx' (or any of its ancestors). */
- static void* operator new(size_t size)
- {
- mtx_lock(&glsl_type::mutex);
-
- /* mem_ctx should have been created by the static members */
- assert(glsl_type::mem_ctx != NULL);
-
- void *type;
-
- type = ralloc_size(glsl_type::mem_ctx, size);
- assert(type != NULL);
-
- mtx_unlock(&glsl_type::mutex);
-
- return type;
- }
-
- /* If the user *does* call delete, that's OK, we will just
- * ralloc_free in that case. */
- static void operator delete(void *type)
+private:
+ glsl_type() : mem_ctx(NULL)
{
- mtx_lock(&glsl_type::mutex);
- ralloc_free(type);
- mtx_unlock(&glsl_type::mutex);
+ // Dummy constructor, just for the sake of ASSERT_BITFIELD_SIZE.
}
+public:
/**
* \name Vector and matrix element counts
*
*/
const char *name;
+ /**
+ * Explicit array, matrix, or vector stride. This is used to communicate
+ * explicit array layouts from SPIR-V. Should be 0 if the type has no
+ * explicit stride.
+ */
+ unsigned explicit_stride;
+
/**
* Subtype of composite data types.
*/
* Convenience accessors for vector types (shorter than get_instance()).
* @{
*/
+ static const glsl_type *vec(unsigned components, const glsl_type *const ts[]);
static const glsl_type *vec(unsigned components);
+ static const glsl_type *f16vec(unsigned components);
static const glsl_type *dvec(unsigned components);
static const glsl_type *ivec(unsigned components);
static const glsl_type *uvec(unsigned components);
static const glsl_type *bvec(unsigned components);
+ static const glsl_type *i64vec(unsigned components);
+ static const glsl_type *u64vec(unsigned components);
+ static const glsl_type *i16vec(unsigned components);
+ static const glsl_type *u16vec(unsigned components);
+ static const glsl_type *i8vec(unsigned components);
+ static const glsl_type *u8vec(unsigned components);
/**@}*/
/**
*/
const glsl_type *get_scalar_type() const;
+ /**
+ * Gets the "bare" type without any decorations or layout information.
+ */
+ const glsl_type *get_bare_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 columns,
+ unsigned explicit_stride = 0,
+ bool row_major = false);
/**
* Get the instance of a sampler type
* Get the instance of an array type
*/
static const glsl_type *get_array_instance(const glsl_type *base,
- unsigned elements);
+ unsigned elements,
+ unsigned explicit_stride = 0);
/**
* Get the instance of a record 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);
/**
*/
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 attribute slots required to hold this type
*
*
* 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 vertex_input_slots) const;
+ unsigned count_attribute_slots(bool is_gl_vertex_input) const;
/**
* Alignment in bytes of the start of this type in a std140 uniform
{
return (vector_elements == 1)
&& (base_type >= GLSL_TYPE_UINT)
- && (base_type <= GLSL_TYPE_BOOL);
+ && (base_type <= GLSL_TYPE_IMAGE);
}
/**
bool is_matrix() const
{
/* GLSL only has float matrices. */
- return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT || base_type == GLSL_TYPE_DOUBLE);
+ return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT ||
+ base_type == GLSL_TYPE_DOUBLE ||
+ base_type == GLSL_TYPE_FLOAT16);
}
/**
*/
bool is_numeric() const
{
- return (base_type >= GLSL_TYPE_UINT) && (base_type <= GLSL_TYPE_DOUBLE);
+ return (base_type >= GLSL_TYPE_UINT) && (base_type <= GLSL_TYPE_INT64);
}
/**
return (base_type == GLSL_TYPE_UINT) || (base_type == GLSL_TYPE_INT);
}
+ /**
+ * Query whether or not a type is a 64-bit integer.
+ */
+ bool is_integer_64() const
+ {
+ return base_type == GLSL_TYPE_UINT64 || base_type == GLSL_TYPE_INT64;
+ }
+
+ /**
+ * Query whether or not a type is a 32-bit or 64-bit integer
+ */
+ bool is_integer_32_64() const
+ {
+ return is_integer() || is_integer_64();
+ }
+
/**
* 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 and array
- * types, contains a double type.
+ * 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
*/
}
/**
- * Query whether a double takes two slots.
+ * Query whether a 64-bit type takes two slots.
*/
- bool is_dual_slot_double() const
+ bool is_dual_slot() const
{
- return base_type == GLSL_TYPE_DOUBLE && vector_elements > 2;
+ return is_64bit() && vector_elements > 2;
+ }
+
+ /**
+ * Query whether or not a type is 64-bit
+ */
+ bool is_64bit() const
+ {
+ return glsl_base_type_is_64bit(base_type);
+ }
+
+ /**
+ * Query whether or not a type is 16-bit
+ */
+ bool is_16bit() const
+ {
+ return glsl_base_type_is_16bit(base_type);
+ }
+
+ /**
+ * Query whether or not a type is 32-bit
+ */
+ bool is_32bit() const
+ {
+ return base_type == GLSL_TYPE_UINT ||
+ base_type == GLSL_TYPE_INT ||
+ base_type == GLSL_TYPE_FLOAT;
}
/**
}
/**
- * Query whether or not type is a sampler, or for struct and array
- * types, contains a sampler.
+ * 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;
+
/**
* Get the Mesa texture target index for a sampler type.
*/
gl_texture_index sampler_index() const;
/**
- * Query whether or not type is an image, or for struct and array
- * types, contains an image.
+ * Query whether or not type is an image, or for struct, interface and
+ * array types, contains an image.
*/
bool contains_image() const;
return size;
}
+ /**
+ * Query whether or not a type is an atomic_uint.
+ */
+ bool is_atomic_uint() const
+ {
+ return base_type == GLSL_TYPE_ATOMIC_UINT;
+ }
+
/**
* Return the amount of atomic counter storage required for a type.
*/
unsigned atomic_size() const
{
- if (base_type == GLSL_TYPE_ATOMIC_UINT)
+ if (is_atomic_uint())
return ATOMIC_COUNTER_SIZE;
else if (is_array())
return length * fields.array->atomic_size();
*/
const glsl_type *row_type() const
{
- return is_matrix()
- ? get_instance(base_type, matrix_columns, 1)
- : error_type;
+ if (!is_matrix())
+ return error_type;
+
+ if (explicit_stride && !interface_row_major)
+ return get_instance(base_type, matrix_columns, 1, explicit_stride);
+ else
+ return get_instance(base_type, matrix_columns, 1);
}
/**
*/
const glsl_type *column_type() const
{
- return is_matrix()
- ? get_instance(base_type, vector_elements, 1)
- : error_type;
+ if (!is_matrix())
+ return error_type;
+
+ if (explicit_stride && interface_row_major)
+ return get_instance(base_type, vector_elements, 1, explicit_stride);
+ else
+ return get_instance(base_type, vector_elements, 1);
}
/**
*
* 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 comparitor or projector) into the coordinate type.
+ * as the shadow comparator or projector) into the coordinate type.
*/
int coordinate_components() const;
* Compare a record type against another record type.
*
* This is useful for matching record types declared across 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) const;
+ bool record_compare(const glsl_type *b, bool match_locations = true) const;
-private:
+ /**
+ * Get the type interface packing.
+ */
+ enum glsl_interface_packing get_interface_packing() const
+ {
+ return (enum glsl_interface_packing)interface_packing;
+ }
- static mtx_t mutex;
+ /**
+ * Get the type interface packing used internally. For shared and packing
+ * layouts this is implementation defined.
+ */
+ enum glsl_interface_packing get_internal_ifc_packing(bool std430_supported) const
+ {
+ enum glsl_interface_packing packing = this->get_interface_packing();
+ if (packing == GLSL_INTERFACE_PACKING_STD140 ||
+ (!std430_supported &&
+ (packing == GLSL_INTERFACE_PACKING_SHARED ||
+ packing == GLSL_INTERFACE_PACKING_PACKED))) {
+ return GLSL_INTERFACE_PACKING_STD140;
+ } else {
+ assert(packing == GLSL_INTERFACE_PACKING_STD430 ||
+ (std430_supported &&
+ (packing == GLSL_INTERFACE_PACKING_SHARED ||
+ packing == GLSL_INTERFACE_PACKING_PACKED)));
+ return GLSL_INTERFACE_PACKING_STD430;
+ }
+ }
/**
- * ralloc context for all glsl_type allocations
- *
- * Set on the first call to \c glsl_type::new.
+ * Check if the type interface is row major
*/
- static void *mem_ctx;
+ bool get_interface_row_major() const
+ {
+ return (bool) interface_row_major;
+ }
- void init_ralloc_type_ctx(void);
+ ~glsl_type();
+
+private:
+
+ static mtx_t hash_mutex;
+
+ /**
+ * ralloc context for the type itself.
+ */
+ void *mem_ctx;
/** Constructor for vector and matrix types */
glsl_type(GLenum gl_type,
- glsl_base_type base_type, unsigned vector_elements,
- unsigned matrix_columns, const char *name);
+ glsl_base_type base_type, unsigned vector_elements,
+ unsigned matrix_columns, const char *name,
+ unsigned explicit_stride = 0, bool row_major = false);
/** Constructor for sampler or image types */
glsl_type(GLenum gl_type, glsl_base_type base_type,
enum glsl_sampler_dim dim, bool shadow, bool array,
- unsigned type, const char *name);
+ glsl_base_type type, const char *name);
/** Constructor for record types */
glsl_type(const glsl_struct_field *fields, unsigned num_fields,
/** Constructor for interface types */
glsl_type(const glsl_struct_field *fields, unsigned num_fields,
- enum glsl_interface_packing packing, const char *name);
+ enum glsl_interface_packing packing,
+ bool row_major, const char *name);
/** Constructor for interface types */
glsl_type(const glsl_type *return_type,
const glsl_function_param *params, unsigned num_params);
- /** Constructor for array types */
- glsl_type(const glsl_type *array, unsigned length);
+ /** Constructors for array types */
+ glsl_type(const glsl_type *array, unsigned length, unsigned explicit_stride);
/** Constructor for subroutine types */
glsl_type(const char *name);
+ /** Hash table containing the known explicit matrix and vector types. */
+ static struct hash_table *explicit_matrix_types;
+
/** Hash table containing the known array types. */
static struct hash_table *array_types;
unsigned precision:2;
/**
- * Image qualifiers, applicable to buffer variables defined in shader
+ * Memory qualifiers, applicable to buffer variables defined in shader
* storage buffer objects (SSBOs)
*/
- unsigned image_read_only:1;
- unsigned image_write_only:1;
- unsigned image_coherent:1;
- unsigned image_volatile:1;
- unsigned image_restrict:1;
+ unsigned memory_read_only:1;
+ unsigned memory_write_only:1;
+ unsigned memory_coherent:1;
+ unsigned memory_volatile:1;
+ unsigned memory_restrict:1;
+
+ /**
+ * Layout format, applicable to image variables only.
+ */
+ unsigned image_format:16;
+
+ /**
+ * Any of the xfb_* qualifiers trigger the shader to be in transform
+ * feedback mode so we need to keep track of whether the buffer was
+ * explicitly set or if its just been assigned the default global value.
+ */
+ unsigned explicit_xfb_buffer:1;
+ unsigned implicit_sized_array:1;
#ifdef __cplusplus
glsl_struct_field(const struct glsl_type *_type, const char *_name)
- : type(_type), name(_name), location(-1), interpolation(0), centroid(0),
+ : type(_type), name(_name), location(-1), offset(-1), xfb_buffer(0),
+ xfb_stride(0), interpolation(0), centroid(0),
sample(0), matrix_layout(GLSL_MATRIX_LAYOUT_INHERITED), patch(0),
- precision(GLSL_PRECISION_NONE), image_read_only(0), image_write_only(0),
- image_coherent(0), image_volatile(0), image_restrict(0)
+ precision(GLSL_PRECISION_NONE), memory_read_only(0),
+ memory_write_only(0), memory_coherent(0), memory_volatile(0),
+ memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
+ implicit_sized_array(0)
{
/* empty */
}
glsl_struct_field()
+ : type(NULL), name(NULL), location(-1), offset(-1), xfb_buffer(0),
+ xfb_stride(0), interpolation(0), centroid(0),
+ sample(0), matrix_layout(0), patch(0),
+ precision(0), memory_read_only(0),
+ memory_write_only(0), memory_coherent(0), memory_volatile(0),
+ memory_restrict(0), image_format(0), explicit_xfb_buffer(0),
+ implicit_sized_array(0)
{
/* empty */
}