mirror of https://gitlab.freedesktop.org/mesa/mesa
1524 lines
42 KiB
C++
1524 lines
42 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright © 2009 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef GLSL_TYPES_H
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#define GLSL_TYPES_H
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#include <string.h>
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#include <assert.h>
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#include <stdio.h>
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#include "shader_enums.h"
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#include "c11/threads.h"
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#include "util/blob.h"
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#include "util/format/u_format.h"
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#include "util/macros.h"
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#ifdef __cplusplus
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#include "mesa/main/config.h"
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#endif
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struct glsl_type;
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct _mesa_glsl_parse_state;
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struct glsl_symbol_table;
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extern void
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glsl_type_singleton_init_or_ref();
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extern void
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glsl_type_singleton_decref();
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extern void
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_mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *state);
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void
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glsl_print_type(FILE *f, const struct glsl_type *t);
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void encode_type_to_blob(struct blob *blob, const struct glsl_type *type);
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const struct glsl_type *decode_type_from_blob(struct blob_reader *blob);
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typedef void (*glsl_type_size_align_func)(const struct glsl_type *type,
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unsigned *size, unsigned *align);
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enum glsl_base_type {
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/* Note: GLSL_TYPE_UINT, GLSL_TYPE_INT, and GLSL_TYPE_FLOAT must be 0, 1,
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* and 2 so that they will fit in the 2 bits of glsl_type::sampled_type.
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*/
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GLSL_TYPE_UINT = 0,
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GLSL_TYPE_INT,
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GLSL_TYPE_FLOAT,
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GLSL_TYPE_FLOAT16,
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GLSL_TYPE_DOUBLE,
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GLSL_TYPE_UINT8,
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GLSL_TYPE_INT8,
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GLSL_TYPE_UINT16,
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GLSL_TYPE_INT16,
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GLSL_TYPE_UINT64,
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GLSL_TYPE_INT64,
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GLSL_TYPE_BOOL,
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GLSL_TYPE_SAMPLER,
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GLSL_TYPE_TEXTURE,
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GLSL_TYPE_IMAGE,
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GLSL_TYPE_ATOMIC_UINT,
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GLSL_TYPE_STRUCT,
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GLSL_TYPE_INTERFACE,
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GLSL_TYPE_ARRAY,
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GLSL_TYPE_VOID,
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GLSL_TYPE_SUBROUTINE,
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GLSL_TYPE_FUNCTION,
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GLSL_TYPE_ERROR
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};
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/* Return the bit size of a type. Note that this differs from
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* glsl_get_bit_size in that it returns 32 bits for bools, whereas at
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* the NIR level we would want to return 1 bit for bools.
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*/
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static unsigned glsl_base_type_bit_size(enum glsl_base_type type)
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{
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switch (type) {
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case GLSL_TYPE_BOOL:
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case GLSL_TYPE_INT:
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case GLSL_TYPE_UINT:
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case GLSL_TYPE_FLOAT: /* TODO handle mediump */
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case GLSL_TYPE_SUBROUTINE:
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return 32;
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case GLSL_TYPE_FLOAT16:
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case GLSL_TYPE_UINT16:
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case GLSL_TYPE_INT16:
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return 16;
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case GLSL_TYPE_UINT8:
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case GLSL_TYPE_INT8:
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return 8;
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case GLSL_TYPE_DOUBLE:
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case GLSL_TYPE_INT64:
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case GLSL_TYPE_UINT64:
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case GLSL_TYPE_IMAGE:
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case GLSL_TYPE_TEXTURE:
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case GLSL_TYPE_SAMPLER:
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return 64;
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default:
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/* For GLSL_TYPE_STRUCT etc, it should be ok to return 0. This usually
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* happens when calling this method through is_64bit and is_16bit
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* methods
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*/
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return 0;
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}
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return 0;
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}
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static inline bool glsl_base_type_is_16bit(enum glsl_base_type type)
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{
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return glsl_base_type_bit_size(type) == 16;
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}
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static inline bool glsl_base_type_is_64bit(enum glsl_base_type type)
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{
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return glsl_base_type_bit_size(type) == 64;
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}
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static inline bool glsl_base_type_is_integer(enum glsl_base_type type)
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{
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return type == GLSL_TYPE_UINT8 ||
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type == GLSL_TYPE_INT8 ||
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type == GLSL_TYPE_UINT16 ||
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type == GLSL_TYPE_INT16 ||
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type == GLSL_TYPE_UINT ||
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type == GLSL_TYPE_INT ||
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type == GLSL_TYPE_UINT64 ||
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type == GLSL_TYPE_INT64 ||
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type == GLSL_TYPE_BOOL ||
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type == GLSL_TYPE_SAMPLER ||
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type == GLSL_TYPE_TEXTURE ||
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type == GLSL_TYPE_IMAGE;
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}
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static inline unsigned int
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glsl_base_type_get_bit_size(const enum glsl_base_type base_type)
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{
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switch (base_type) {
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case GLSL_TYPE_BOOL:
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return 1;
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case GLSL_TYPE_INT:
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case GLSL_TYPE_UINT:
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case GLSL_TYPE_FLOAT: /* TODO handle mediump */
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case GLSL_TYPE_SUBROUTINE:
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return 32;
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case GLSL_TYPE_FLOAT16:
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case GLSL_TYPE_UINT16:
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case GLSL_TYPE_INT16:
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return 16;
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case GLSL_TYPE_UINT8:
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case GLSL_TYPE_INT8:
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return 8;
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case GLSL_TYPE_DOUBLE:
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case GLSL_TYPE_INT64:
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case GLSL_TYPE_UINT64:
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case GLSL_TYPE_IMAGE:
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case GLSL_TYPE_SAMPLER:
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case GLSL_TYPE_TEXTURE:
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return 64;
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default:
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unreachable("unknown base type");
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}
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return 0;
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}
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static inline enum glsl_base_type
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glsl_unsigned_base_type_of(enum glsl_base_type type)
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{
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switch (type) {
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case GLSL_TYPE_INT:
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return GLSL_TYPE_UINT;
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case GLSL_TYPE_INT8:
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return GLSL_TYPE_UINT8;
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case GLSL_TYPE_INT16:
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return GLSL_TYPE_UINT16;
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case GLSL_TYPE_INT64:
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return GLSL_TYPE_UINT64;
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default:
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assert(type == GLSL_TYPE_UINT ||
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type == GLSL_TYPE_UINT8 ||
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type == GLSL_TYPE_UINT16 ||
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type == GLSL_TYPE_UINT64);
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return type;
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}
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}
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static inline enum glsl_base_type
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glsl_signed_base_type_of(enum glsl_base_type type)
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{
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switch (type) {
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case GLSL_TYPE_UINT:
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return GLSL_TYPE_INT;
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case GLSL_TYPE_UINT8:
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return GLSL_TYPE_INT8;
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case GLSL_TYPE_UINT16:
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return GLSL_TYPE_INT16;
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case GLSL_TYPE_UINT64:
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return GLSL_TYPE_INT64;
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default:
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assert(type == GLSL_TYPE_INT ||
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type == GLSL_TYPE_INT8 ||
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type == GLSL_TYPE_INT16 ||
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type == GLSL_TYPE_INT64);
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return type;
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}
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}
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enum glsl_sampler_dim {
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GLSL_SAMPLER_DIM_1D = 0,
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GLSL_SAMPLER_DIM_2D,
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GLSL_SAMPLER_DIM_3D,
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GLSL_SAMPLER_DIM_CUBE,
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GLSL_SAMPLER_DIM_RECT,
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GLSL_SAMPLER_DIM_BUF,
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GLSL_SAMPLER_DIM_EXTERNAL,
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GLSL_SAMPLER_DIM_MS,
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GLSL_SAMPLER_DIM_SUBPASS, /* for vulkan input attachments */
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GLSL_SAMPLER_DIM_SUBPASS_MS, /* for multisampled vulkan input attachments */
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};
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int
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glsl_get_sampler_dim_coordinate_components(enum glsl_sampler_dim dim);
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enum glsl_matrix_layout {
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/**
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* The layout of the matrix is inherited from the object containing the
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* matrix (the top level structure or the uniform block).
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*/
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GLSL_MATRIX_LAYOUT_INHERITED,
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/**
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* Explicit column-major layout
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*
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* If a uniform block doesn't have an explicit layout set, it will default
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* to this layout.
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*/
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GLSL_MATRIX_LAYOUT_COLUMN_MAJOR,
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/**
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* Row-major layout
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*/
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GLSL_MATRIX_LAYOUT_ROW_MAJOR
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};
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enum {
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GLSL_PRECISION_NONE = 0,
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GLSL_PRECISION_HIGH,
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GLSL_PRECISION_MEDIUM,
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GLSL_PRECISION_LOW
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};
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#ifdef __cplusplus
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} /* extern "C" */
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#include "GL/gl.h"
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#include "util/ralloc.h"
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#include "mesa/main/menums.h" /* for gl_texture_index, C++'s enum rules are broken */
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struct glsl_type {
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GLenum gl_type;
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glsl_base_type base_type:8;
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glsl_base_type sampled_type:8; /**< Type of data returned using this
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* sampler or image. Only \c
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* GLSL_TYPE_FLOAT, \c GLSL_TYPE_INT,
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* and \c GLSL_TYPE_UINT are valid.
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*/
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unsigned sampler_dimensionality:4; /**< \see glsl_sampler_dim */
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unsigned sampler_shadow:1;
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unsigned sampler_array:1;
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unsigned interface_packing:2;
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unsigned interface_row_major:1;
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/**
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* For \c GLSL_TYPE_STRUCT this specifies if the struct is packed or not.
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*
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* Only used for Compute kernels
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*/
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unsigned packed:1;
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private:
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glsl_type() : mem_ctx(NULL)
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{
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// Dummy constructor, just for the sake of ASSERT_BITFIELD_SIZE.
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}
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public:
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/**
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* \name Vector and matrix element counts
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*
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* For scalars, each of these values will be 1. For non-numeric types
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* these will be 0.
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*/
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/*@{*/
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uint8_t vector_elements; /**< 1, 2, 3, or 4 vector elements. */
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uint8_t matrix_columns; /**< 1, 2, 3, or 4 matrix columns. */
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/*@}*/
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/**
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* For \c GLSL_TYPE_ARRAY, this is the length of the array. For
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* \c GLSL_TYPE_STRUCT or \c GLSL_TYPE_INTERFACE, it is the number of
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* elements in the structure and the number of values pointed to by
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* \c fields.structure (below).
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*/
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unsigned length;
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/**
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* Name of the data type
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*
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* Will never be \c NULL.
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*/
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const char *name;
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/**
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* Explicit array, matrix, or vector stride. This is used to communicate
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* explicit array layouts from SPIR-V. Should be 0 if the type has no
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* explicit stride.
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*/
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unsigned explicit_stride;
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/**
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* Explicit alignment. This is used to communicate explicit alignment
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* constraints. Should be 0 if the type has no explicit alignment
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* constraint.
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*/
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unsigned explicit_alignment;
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/**
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* Subtype of composite data types.
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*/
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union {
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const struct glsl_type *array; /**< Type of array elements. */
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struct glsl_function_param *parameters; /**< Parameters to function. */
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struct glsl_struct_field *structure; /**< List of struct fields. */
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} fields;
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/**
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* \name Pointers to various public type singletons
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*/
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/*@{*/
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#undef DECL_TYPE
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#define DECL_TYPE(NAME, ...) \
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static const glsl_type *const NAME##_type;
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#undef STRUCT_TYPE
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#define STRUCT_TYPE(NAME) \
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static const glsl_type *const struct_##NAME##_type;
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#include "compiler/builtin_type_macros.h"
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/*@}*/
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/**
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* Convenience accessors for vector types (shorter than get_instance()).
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* @{
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*/
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static const glsl_type *vec(unsigned components, const glsl_type *const ts[]);
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static const glsl_type *vec(unsigned components);
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static const glsl_type *f16vec(unsigned components);
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static const glsl_type *dvec(unsigned components);
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static const glsl_type *ivec(unsigned components);
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static const glsl_type *uvec(unsigned components);
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static const glsl_type *bvec(unsigned components);
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static const glsl_type *i64vec(unsigned components);
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static const glsl_type *u64vec(unsigned components);
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static const glsl_type *i16vec(unsigned components);
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static const glsl_type *u16vec(unsigned components);
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static const glsl_type *i8vec(unsigned components);
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static const glsl_type *u8vec(unsigned components);
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||
/**@}*/
|
||
|
||
/**
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||
* For numeric and boolean derived types returns the basic scalar type
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||
*
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||
* If the type is a numeric or boolean scalar, vector, or matrix type,
|
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* this function gets the scalar type of the individual components. For
|
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* all other types, including arrays of numeric or boolean types, the
|
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* error type is returned.
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||
*/
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const glsl_type *get_base_type() const;
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||
|
||
/**
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* 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.
|
||
*/
|
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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,
|
||
glsl_base_type type);
|
||
|
||
static const glsl_type *get_texture_instance(enum glsl_sampler_dim dim,
|
||
bool array,
|
||
glsl_base_type type);
|
||
|
||
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 *base,
|
||
unsigned elements,
|
||
unsigned explicit_stride = 0);
|
||
|
||
/**
|
||
* 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 instance of a function type
|
||
*/
|
||
static const glsl_type *get_function_instance(const struct glsl_type *return_type,
|
||
const glsl_function_param *parameters,
|
||
unsigned num_params);
|
||
|
||
/**
|
||
* 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
|
||
{
|
||
return vector_elements * matrix_columns;
|
||
}
|
||
|
||
/**
|
||
* 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 {
|
||
return count_vec4_slots(is_gl_vertex_input, true);
|
||
}
|
||
|
||
/**
|
||
* 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;
|
||
|
||
/**
|
||
* Gets an explicitly laid out type with the std430 layout.
|
||
*/
|
||
const glsl_type *get_explicit_std430_type(bool row_major) const;
|
||
|
||
/**
|
||
* Gets an explicitly laid out interface type.
|
||
*/
|
||
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 *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;
|
||
|
||
/**
|
||
* \brief Can this type be implicitly converted to another?
|
||
*
|
||
* \return True if the types are identical or if this type can be converted
|
||
* to \c desired according to Section 4.1.10 of the GLSL spec.
|
||
*
|
||
* \verbatim
|
||
* From page 25 (31 of the pdf) of the GLSL 1.50 spec, Section 4.1.10
|
||
* Implicit Conversions:
|
||
*
|
||
* In some situations, an expression and its type will be implicitly
|
||
* converted to a different type. The following table shows all allowed
|
||
* implicit conversions:
|
||
*
|
||
* Type of expression | Can be implicitly converted to
|
||
* --------------------------------------------------
|
||
* int float
|
||
* uint
|
||
*
|
||
* ivec2 vec2
|
||
* uvec2
|
||
*
|
||
* ivec3 vec3
|
||
* uvec3
|
||
*
|
||
* ivec4 vec4
|
||
* uvec4
|
||
*
|
||
* There are no implicit array or structure conversions. For example,
|
||
* an array of int cannot be implicitly converted to an array of float.
|
||
* There are no implicit conversions between signed and unsigned
|
||
* integers.
|
||
* \endverbatim
|
||
*/
|
||
bool can_implicitly_convert_to(const glsl_type *desired,
|
||
_mesa_glsl_parse_state *state) const;
|
||
|
||
/**
|
||
* Query whether or not a type is a scalar (non-vector and non-matrix).
|
||
*/
|
||
bool is_scalar() const
|
||
{
|
||
return (vector_elements == 1)
|
||
&& (base_type >= GLSL_TYPE_UINT)
|
||
&& (base_type <= GLSL_TYPE_IMAGE);
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a vector
|
||
*/
|
||
bool is_vector() const
|
||
{
|
||
return (vector_elements > 1)
|
||
&& (matrix_columns == 1)
|
||
&& (base_type >= GLSL_TYPE_UINT)
|
||
&& (base_type <= GLSL_TYPE_BOOL);
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a matrix
|
||
*/
|
||
bool is_matrix() const
|
||
{
|
||
/* GLSL only has float matrices. */
|
||
return (matrix_columns > 1) && (base_type == GLSL_TYPE_FLOAT ||
|
||
base_type == GLSL_TYPE_DOUBLE ||
|
||
base_type == GLSL_TYPE_FLOAT16);
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a non-array numeric type
|
||
*/
|
||
bool is_numeric() const
|
||
{
|
||
return (base_type >= GLSL_TYPE_UINT) && (base_type <= GLSL_TYPE_INT64);
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is an integer.
|
||
*/
|
||
bool is_integer() const
|
||
{
|
||
return glsl_base_type_is_integer(base_type);
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a 16-bit integer.
|
||
*/
|
||
bool is_integer_16() const
|
||
{
|
||
return base_type == GLSL_TYPE_UINT16 || base_type == GLSL_TYPE_INT16;
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is an 32-bit integer.
|
||
*/
|
||
bool is_integer_32() const
|
||
{
|
||
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_32() || is_integer_64();
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a 16-bit or 32-bit integer
|
||
*/
|
||
bool is_integer_16_32() const
|
||
{
|
||
return is_integer_16() || is_integer_32();
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a 16-bit, 32-bit or 64-bit integer
|
||
*/
|
||
bool is_integer_16_32_64() const
|
||
{
|
||
return is_integer_16() || is_integer_32() || 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, 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
|
||
{
|
||
return base_type == GLSL_TYPE_FLOAT;
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a half-float or float type
|
||
*/
|
||
bool is_float_16_32() const
|
||
{
|
||
return base_type == GLSL_TYPE_FLOAT16 || is_float();
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a half-float, float or double
|
||
*/
|
||
bool is_float_16_32_64() const
|
||
{
|
||
return base_type == GLSL_TYPE_FLOAT16 || is_float() || is_double();
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a float or double
|
||
*/
|
||
bool is_float_32_64() const
|
||
{
|
||
return is_float() || is_double();
|
||
}
|
||
|
||
bool is_int_16_32_64() const
|
||
{
|
||
return base_type == GLSL_TYPE_INT16 ||
|
||
base_type == GLSL_TYPE_INT ||
|
||
base_type == GLSL_TYPE_INT64;
|
||
}
|
||
|
||
bool is_uint_16_32_64() const
|
||
{
|
||
return base_type == GLSL_TYPE_UINT16 ||
|
||
base_type == GLSL_TYPE_UINT ||
|
||
base_type == GLSL_TYPE_UINT64;
|
||
}
|
||
|
||
bool is_int_16_32() const
|
||
{
|
||
return base_type == GLSL_TYPE_INT ||
|
||
base_type == GLSL_TYPE_INT16;
|
||
}
|
||
|
||
bool is_uint_16_32() const
|
||
{
|
||
return base_type == GLSL_TYPE_UINT ||
|
||
base_type == GLSL_TYPE_UINT16;
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a double type
|
||
*/
|
||
bool is_double() const
|
||
{
|
||
return base_type == GLSL_TYPE_DOUBLE;
|
||
}
|
||
|
||
/**
|
||
* Query whether a 64-bit type takes two slots.
|
||
*/
|
||
bool is_dual_slot() const
|
||
{
|
||
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 a type is a non-array boolean type
|
||
*/
|
||
bool is_boolean() const
|
||
{
|
||
return base_type == GLSL_TYPE_BOOL;
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a sampler
|
||
*/
|
||
bool is_sampler() const
|
||
{
|
||
return base_type == GLSL_TYPE_SAMPLER;
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a texture
|
||
*/
|
||
bool is_texture() const
|
||
{
|
||
return base_type == GLSL_TYPE_TEXTURE;
|
||
}
|
||
|
||
/**
|
||
* 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, interface and
|
||
* array types, contains an image.
|
||
*/
|
||
bool contains_image() const;
|
||
|
||
/**
|
||
* Query whether or not a type is an image
|
||
*/
|
||
bool is_image() const
|
||
{
|
||
return base_type == GLSL_TYPE_IMAGE;
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is an array
|
||
*/
|
||
bool is_array() const
|
||
{
|
||
return base_type == GLSL_TYPE_ARRAY;
|
||
}
|
||
|
||
bool is_array_of_arrays() const
|
||
{
|
||
return is_array() && fields.array->is_array();
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is a record
|
||
*/
|
||
bool is_struct() const
|
||
{
|
||
return base_type == GLSL_TYPE_STRUCT;
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is an interface
|
||
*/
|
||
bool is_interface() const
|
||
{
|
||
return base_type == GLSL_TYPE_INTERFACE;
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is the void type singleton.
|
||
*/
|
||
bool is_void() const
|
||
{
|
||
return base_type == GLSL_TYPE_VOID;
|
||
}
|
||
|
||
/**
|
||
* Query whether or not a type is the error type singleton.
|
||
*/
|
||
bool is_error() const
|
||
{
|
||
return base_type == GLSL_TYPE_ERROR;
|
||
}
|
||
|
||
/**
|
||
* Query if a type is unnamed/anonymous (named by the parser)
|
||
*/
|
||
|
||
bool is_subroutine() const
|
||
{
|
||
return base_type == GLSL_TYPE_SUBROUTINE;
|
||
}
|
||
bool contains_subroutine() const;
|
||
|
||
bool is_anonymous() const
|
||
{
|
||
return !strncmp(name, "#anon", 5);
|
||
}
|
||
|
||
/**
|
||
* 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
|
||
{
|
||
const glsl_type *t = this;
|
||
|
||
while (t->is_array())
|
||
t = t->fields.array;
|
||
|
||
return t;
|
||
}
|
||
|
||
/**
|
||
* Return the total number of elements in an array including the elements
|
||
* in arrays of arrays.
|
||
*/
|
||
unsigned arrays_of_arrays_size() const
|
||
{
|
||
if (!is_array())
|
||
return 0;
|
||
|
||
unsigned size = length;
|
||
const glsl_type *array_base_type = fields.array;
|
||
|
||
while (array_base_type->is_array()) {
|
||
size = size * array_base_type->length;
|
||
array_base_type = array_base_type->fields.array;
|
||
}
|
||
return size;
|
||
}
|
||
|
||
/**
|
||
* Return bit size for this type.
|
||
*/
|
||
unsigned bit_size() const
|
||
{
|
||
return glsl_base_type_bit_size(this->base_type);
|
||
}
|
||
|
||
|
||
/**
|
||
* 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 (is_atomic_uint())
|
||
return ATOMIC_COUNTER_SIZE;
|
||
else if (is_array())
|
||
return length * fields.array->atomic_size();
|
||
else
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* Return whether a type contains any atomic counters.
|
||
*/
|
||
bool contains_atomic() const
|
||
{
|
||
return atomic_size() > 0;
|
||
}
|
||
|
||
/**
|
||
* 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
|
||
{
|
||
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);
|
||
}
|
||
|
||
/**
|
||
* 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
|
||
{
|
||
if (!is_matrix())
|
||
return error_type;
|
||
|
||
if (interface_row_major) {
|
||
/* If we're row-major, the vector element stride is the same as the
|
||
* matrix stride and we have no alignment (i.e. component-aligned).
|
||
*/
|
||
return get_instance(base_type, vector_elements, 1,
|
||
explicit_stride, false, 0);
|
||
} else {
|
||
/* Otherwise, the vector is tightly packed (stride=0). For
|
||
* alignment, we treat a matrix as an array of columns make the same
|
||
* assumption that the alignment of the column is the same as the
|
||
* alignment of the whole matrix.
|
||
*/
|
||
return get_instance(base_type, vector_elements, 1,
|
||
0, false, explicit_alignment);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 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
|
||
{
|
||
return is_array() ? length : -1;
|
||
}
|
||
|
||
/**
|
||
* Query whether the array size for all dimensions has been declared.
|
||
*/
|
||
bool is_unsized_array() const
|
||
{
|
||
return is_array() && length == 0;
|
||
}
|
||
|
||
/**
|
||
* 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
|
||
{
|
||
return (enum glsl_interface_packing)interface_packing;
|
||
}
|
||
|
||
/**
|
||
* 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;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Check if the type interface is row major
|
||
*/
|
||
bool get_interface_row_major() const
|
||
{
|
||
return (bool) interface_row_major;
|
||
}
|
||
|
||
~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,
|
||
unsigned explicit_stride = 0, bool row_major = false,
|
||
unsigned explicit_alignment = 0);
|
||
|
||
/** 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,
|
||
glsl_base_type type, const char *name);
|
||
|
||
/** Constructor for record types */
|
||
glsl_type(const glsl_struct_field *fields, unsigned num_fields,
|
||
const char *name, bool packed = false,
|
||
unsigned explicit_alignment = 0);
|
||
|
||
/** Constructor for interface types */
|
||
glsl_type(const glsl_struct_field *fields, unsigned num_fields,
|
||
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);
|
||
|
||
/** 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;
|
||
|
||
/** Hash table containing the known struct types. */
|
||
static struct hash_table *struct_types;
|
||
|
||
/** Hash table containing the known interface types. */
|
||
static struct hash_table *interface_types;
|
||
|
||
/** Hash table containing the known subroutine types. */
|
||
static struct hash_table *subroutine_types;
|
||
|
||
/** Hash table containing the known function types. */
|
||
static struct hash_table *function_types;
|
||
|
||
static bool record_key_compare(const void *a, const void *b);
|
||
static unsigned record_key_hash(const void *key);
|
||
|
||
/**
|
||
* \name Built-in type flyweights
|
||
*/
|
||
/*@{*/
|
||
#undef DECL_TYPE
|
||
#define DECL_TYPE(NAME, ...) static const glsl_type _##NAME##_type;
|
||
#undef STRUCT_TYPE
|
||
#define STRUCT_TYPE(NAME) static const glsl_type _struct_##NAME##_type;
|
||
#include "compiler/builtin_type_macros.h"
|
||
/*@}*/
|
||
|
||
/**
|
||
* \name Friend functions.
|
||
*
|
||
* These functions are friends because they must have C linkage and the
|
||
* need to call various private methods or access various private static
|
||
* data.
|
||
*/
|
||
/*@{*/
|
||
friend void glsl_type_singleton_init_or_ref(void);
|
||
friend void glsl_type_singleton_decref(void);
|
||
friend void _mesa_glsl_initialize_types(struct _mesa_glsl_parse_state *);
|
||
/*@}*/
|
||
};
|
||
|
||
#undef DECL_TYPE
|
||
#undef STRUCT_TYPE
|
||
#endif /* __cplusplus */
|
||
|
||
struct glsl_struct_field {
|
||
const struct glsl_type *type;
|
||
const char *name;
|
||
|
||
/**
|
||
* For interface blocks, gl_varying_slot corresponding to the input/output
|
||
* if this is a built-in input/output (i.e. a member of the built-in
|
||
* gl_PerVertex interface block); -1 otherwise.
|
||
*
|
||
* Ignored for structs.
|
||
*/
|
||
int location;
|
||
|
||
/**
|
||
* For interface blocks, members may explicitly assign the component used
|
||
* by a varying. Ignored for structs.
|
||
*/
|
||
int component;
|
||
|
||
/**
|
||
* For interface blocks, members may have an explicit byte offset
|
||
* specified; -1 otherwise. Also used for xfb_offset layout qualifier.
|
||
*
|
||
* Unless used for xfb_offset this field is ignored for structs.
|
||
*/
|
||
int offset;
|
||
|
||
/**
|
||
* For interface blocks, members may define a transform feedback buffer;
|
||
* -1 otherwise.
|
||
*/
|
||
int xfb_buffer;
|
||
|
||
/**
|
||
* For interface blocks, members may define a transform feedback stride;
|
||
* -1 otherwise.
|
||
*/
|
||
int xfb_stride;
|
||
|
||
/**
|
||
* Layout format, applicable to image variables only.
|
||
*/
|
||
enum pipe_format image_format;
|
||
|
||
union {
|
||
struct {
|
||
/**
|
||
* For interface blocks, the interpolation mode (as in
|
||
* ir_variable::interpolation). 0 otherwise.
|
||
*/
|
||
unsigned interpolation:3;
|
||
|
||
/**
|
||
* For interface blocks, 1 if this variable uses centroid interpolation (as
|
||
* in ir_variable::centroid). 0 otherwise.
|
||
*/
|
||
unsigned centroid:1;
|
||
|
||
/**
|
||
* For interface blocks, 1 if this variable uses sample interpolation (as
|
||
* in ir_variable::sample). 0 otherwise.
|
||
*/
|
||
unsigned sample:1;
|
||
|
||
/**
|
||
* Layout of the matrix. Uses glsl_matrix_layout values.
|
||
*/
|
||
unsigned matrix_layout:2;
|
||
|
||
/**
|
||
* For interface blocks, 1 if this variable is a per-patch input or output
|
||
* (as in ir_variable::patch). 0 otherwise.
|
||
*/
|
||
unsigned patch:1;
|
||
|
||
/**
|
||
* Precision qualifier
|
||
*/
|
||
unsigned precision:2;
|
||
|
||
/**
|
||
* Memory qualifiers, applicable to buffer variables defined in shader
|
||
* storage buffer objects (SSBOs)
|
||
*/
|
||
unsigned memory_read_only:1;
|
||
unsigned memory_write_only:1;
|
||
unsigned memory_coherent:1;
|
||
unsigned memory_volatile:1;
|
||
unsigned memory_restrict:1;
|
||
|
||
/**
|
||
* 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;
|
||
};
|
||
unsigned flags;
|
||
};
|
||
#ifdef __cplusplus
|
||
#define DEFAULT_CONSTRUCTORS(_type, _name) \
|
||
type(_type), name(_name), location(-1), component(-1), offset(-1), \
|
||
xfb_buffer(0), xfb_stride(0), image_format(PIPE_FORMAT_NONE), flags(0) \
|
||
|
||
glsl_struct_field(const struct glsl_type *_type,
|
||
int _precision,
|
||
const char *_name)
|
||
: DEFAULT_CONSTRUCTORS(_type, _name)
|
||
{
|
||
matrix_layout = GLSL_MATRIX_LAYOUT_INHERITED;
|
||
precision = _precision;
|
||
}
|
||
|
||
glsl_struct_field(const struct glsl_type *_type, const char *_name)
|
||
: DEFAULT_CONSTRUCTORS(_type, _name)
|
||
{
|
||
matrix_layout = GLSL_MATRIX_LAYOUT_INHERITED;
|
||
precision = GLSL_PRECISION_NONE;
|
||
}
|
||
|
||
glsl_struct_field()
|
||
: DEFAULT_CONSTRUCTORS(NULL, NULL)
|
||
{
|
||
matrix_layout = GLSL_MATRIX_LAYOUT_INHERITED;
|
||
precision = GLSL_PRECISION_NONE;
|
||
}
|
||
#undef DEFAULT_CONSTRUCTORS
|
||
#endif
|
||
};
|
||
|
||
struct glsl_function_param {
|
||
const struct glsl_type *type;
|
||
|
||
bool in;
|
||
bool out;
|
||
};
|
||
|
||
static inline unsigned int
|
||
glsl_align(unsigned int a, unsigned int align)
|
||
{
|
||
return (a + align - 1) / align * align;
|
||
}
|
||
|
||
#endif /* GLSL_TYPES_H */
|