mirror of https://gitlab.freedesktop.org/mesa/mesa
1361 lines
42 KiB
C++
1361 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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extern "C" {
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#endif
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typedef struct glsl_type glsl_type;
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typedef struct glsl_struct_field glsl_struct_field;
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extern void
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glsl_type_singleton_init_or_ref(void);
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extern void
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glsl_type_singleton_decref(void);
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void encode_type_to_blob(struct blob *blob, const glsl_type *type);
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const glsl_type *decode_type_from_blob(struct blob_reader *blob);
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typedef void (*glsl_type_size_align_func)(const glsl_type *type,
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unsigned *size, unsigned *alignment);
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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_COOPERATIVE_MATRIX,
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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_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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case GLSL_TYPE_COOPERATIVE_MATRIX:
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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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enum glsl_cmat_use {
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GLSL_CMAT_USE_NONE = 0,
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GLSL_CMAT_USE_A,
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GLSL_CMAT_USE_B,
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GLSL_CMAT_USE_ACCUMULATOR,
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};
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struct glsl_cmat_description {
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/* MSVC can't merge bitfields of different types and also sign extend enums,
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* so use uint8_t for those cases.
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*/
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uint8_t element_type:5; /* enum glsl_base_type */
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uint8_t scope:3; /* mesa_scope */
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uint8_t rows;
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uint8_t cols;
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uint8_t use; /* enum glsl_cmat_use */
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};
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const char *glsl_get_type_name(const glsl_type *type);
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struct glsl_type {
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uint32_t gl_type;
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enum glsl_base_type base_type:8;
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enum 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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struct glsl_cmat_description cmat_desc;
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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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unsigned has_builtin_name:1;
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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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* Identifier to the name of the data type
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*
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* Use glsl_get_type_name() to access the actual name.
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*/
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uintptr_t name_id;
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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 glsl_type *array; /**< Type of array elements. */
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const glsl_struct_field *structure; /**< List of struct fields. */
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} fields;
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};
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#include "builtin_types.h"
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struct glsl_struct_field {
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const glsl_type *type;
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const char *name;
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/**
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* For interface blocks, gl_varying_slot corresponding to the input/output
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* if this is a built-in input/output (i.e. a member of the built-in
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* gl_PerVertex interface block); -1 otherwise.
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*
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* Ignored for structs.
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*/
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int location;
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/**
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* For interface blocks, members may explicitly assign the component used
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* by a varying. Ignored for structs.
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*/
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int component;
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/**
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* For interface blocks, members may have an explicit byte offset
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* specified; -1 otherwise. Also used for xfb_offset layout qualifier.
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*
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* Unless used for xfb_offset this field is ignored for structs.
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*/
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int offset;
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/**
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* For interface blocks, members may define a transform feedback buffer;
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* -1 otherwise.
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*/
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int xfb_buffer;
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/**
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* For interface blocks, members may define a transform feedback stride;
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* -1 otherwise.
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*/
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int xfb_stride;
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|
||
/**
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||
* Layout format, applicable to image variables only.
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||
*/
|
||
enum pipe_format image_format;
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||
|
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union {
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||
struct {
|
||
/**
|
||
* For interface blocks, the interpolation mode (as in
|
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* 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
|
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* 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 glsl_type *_type,
|
||
int _precision,
|
||
const char *_name)
|
||
: DEFAULT_CONSTRUCTORS(_type, _name)
|
||
{
|
||
matrix_layout = GLSL_MATRIX_LAYOUT_INHERITED;
|
||
precision = _precision;
|
||
}
|
||
|
||
glsl_struct_field(const 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
|
||
};
|
||
|
||
static inline enum glsl_base_type glsl_get_base_type(const glsl_type *t) { return t->base_type; }
|
||
|
||
static inline unsigned
|
||
glsl_get_bit_size(const glsl_type *t)
|
||
{
|
||
return glsl_base_type_get_bit_size(glsl_get_base_type(t));
|
||
}
|
||
|
||
static inline bool glsl_type_is_boolean(const glsl_type *t) { return t->base_type == GLSL_TYPE_BOOL; }
|
||
static inline bool glsl_type_is_sampler(const glsl_type *t) { return t->base_type == GLSL_TYPE_SAMPLER; }
|
||
static inline bool glsl_type_is_texture(const glsl_type *t) { return t->base_type == GLSL_TYPE_TEXTURE; }
|
||
static inline bool glsl_type_is_image(const glsl_type *t) { return t->base_type == GLSL_TYPE_IMAGE; }
|
||
static inline bool glsl_type_is_atomic_uint(const glsl_type *t) { return t->base_type == GLSL_TYPE_ATOMIC_UINT; }
|
||
static inline bool glsl_type_is_struct(const glsl_type *t) { return t->base_type == GLSL_TYPE_STRUCT; }
|
||
static inline bool glsl_type_is_interface(const glsl_type *t) { return t->base_type == GLSL_TYPE_INTERFACE; }
|
||
static inline bool glsl_type_is_array(const glsl_type *t) { return t->base_type == GLSL_TYPE_ARRAY; }
|
||
static inline bool glsl_type_is_cmat(const glsl_type *t) { return t->base_type == GLSL_TYPE_COOPERATIVE_MATRIX; }
|
||
static inline bool glsl_type_is_void(const glsl_type *t) { return t->base_type == GLSL_TYPE_VOID; }
|
||
static inline bool glsl_type_is_subroutine(const glsl_type *t) { return t->base_type == GLSL_TYPE_SUBROUTINE; }
|
||
static inline bool glsl_type_is_error(const glsl_type *t) { return t->base_type == GLSL_TYPE_ERROR; }
|
||
static inline bool glsl_type_is_double(const glsl_type *t) { return t->base_type == GLSL_TYPE_DOUBLE; }
|
||
static inline bool glsl_type_is_float(const glsl_type *t) { return t->base_type == GLSL_TYPE_FLOAT; }
|
||
|
||
static inline bool
|
||
glsl_type_is_numeric(const glsl_type *t)
|
||
{
|
||
return t->base_type >= GLSL_TYPE_UINT &&
|
||
t->base_type <= GLSL_TYPE_INT64;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_integer(const glsl_type *t)
|
||
{
|
||
return glsl_base_type_is_integer(t->base_type);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_struct_or_ifc(const glsl_type *t)
|
||
{
|
||
return glsl_type_is_struct(t) || glsl_type_is_interface(t);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_packed(const glsl_type *t)
|
||
{
|
||
return t->packed;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_16bit(const glsl_type *t)
|
||
{
|
||
return glsl_base_type_is_16bit(t->base_type);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_32bit(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_UINT ||
|
||
t->base_type == GLSL_TYPE_INT ||
|
||
t->base_type == GLSL_TYPE_FLOAT;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_64bit(const glsl_type *t)
|
||
{
|
||
return glsl_base_type_is_64bit(t->base_type);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_integer_16(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_UINT16 || t->base_type == GLSL_TYPE_INT16;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_integer_32(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_UINT || t->base_type == GLSL_TYPE_INT;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_integer_64(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_UINT64 || t->base_type == GLSL_TYPE_INT64;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_integer_32_64(const glsl_type *t)
|
||
{
|
||
return glsl_type_is_integer_32(t) || glsl_type_is_integer_64(t);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_integer_16_32(const glsl_type *t)
|
||
{
|
||
return glsl_type_is_integer_16(t) || glsl_type_is_integer_32(t);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_integer_16_32_64(const glsl_type *t)
|
||
{
|
||
return glsl_type_is_integer_16(t) || glsl_type_is_integer_32(t) || glsl_type_is_integer_64(t);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_float_16(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_FLOAT16;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_float_16_32(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_FLOAT16 || glsl_type_is_float(t);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_float_16_32_64(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_FLOAT16 || glsl_type_is_float(t) || glsl_type_is_double(t);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_float_32_64(const glsl_type *t)
|
||
{
|
||
return glsl_type_is_float(t) || glsl_type_is_double(t);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_int_16_32_64(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_INT16 ||
|
||
t->base_type == GLSL_TYPE_INT ||
|
||
t->base_type == GLSL_TYPE_INT64;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_uint_16_32_64(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_UINT16 ||
|
||
t->base_type == GLSL_TYPE_UINT ||
|
||
t->base_type == GLSL_TYPE_UINT64;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_int_16_32(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_INT ||
|
||
t->base_type == GLSL_TYPE_INT16;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_uint_16_32(const glsl_type *t)
|
||
{
|
||
return t->base_type == GLSL_TYPE_UINT ||
|
||
t->base_type == GLSL_TYPE_UINT16;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_unsized_array(const glsl_type *t)
|
||
{
|
||
return glsl_type_is_array(t) && t->length == 0;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_array_of_arrays(const glsl_type *t)
|
||
{
|
||
return glsl_type_is_array(t) && glsl_type_is_array(t->fields.array);
|
||
}
|
||
|
||
static inline bool
|
||
glsl_type_is_bare_sampler(const glsl_type *t)
|
||
{
|
||
return glsl_type_is_sampler(t) && t->sampled_type == GLSL_TYPE_VOID;
|
||
}
|
||
|
||
bool glsl_type_is_vector(const glsl_type *t);
|
||
bool glsl_type_is_scalar(const glsl_type *t);
|
||
bool glsl_type_is_vector_or_scalar(const glsl_type *t);
|
||
bool glsl_type_is_matrix(const glsl_type *t);
|
||
bool glsl_type_is_array_or_matrix(const glsl_type *t);
|
||
|
||
/**
|
||
* Query whether a 64-bit type takes two slots.
|
||
*/
|
||
bool glsl_type_is_dual_slot(const glsl_type *t);
|
||
|
||
bool glsl_type_is_leaf(const glsl_type *type);
|
||
|
||
static inline bool
|
||
glsl_matrix_type_is_row_major(const glsl_type *t)
|
||
{
|
||
assert((glsl_type_is_matrix(t) && t->explicit_stride) || glsl_type_is_interface(t));
|
||
return t->interface_row_major;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_sampler_type_is_shadow(const glsl_type *t)
|
||
{
|
||
assert(glsl_type_is_sampler(t));
|
||
return t->sampler_shadow;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_sampler_type_is_array(const glsl_type *t)
|
||
{
|
||
assert(glsl_type_is_sampler(t) ||
|
||
glsl_type_is_texture(t) ||
|
||
glsl_type_is_image(t));
|
||
return t->sampler_array;
|
||
}
|
||
|
||
static inline bool
|
||
glsl_struct_type_is_packed(const glsl_type *t)
|
||
{
|
||
assert(glsl_type_is_struct(t));
|
||
return t->packed;
|
||
}
|
||
|
||
/**
|
||
* Gets the "bare" type without any decorations or layout information.
|
||
*/
|
||
const glsl_type *glsl_get_bare_type(const 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 glsl_type *glsl_get_scalar_type(const 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 glsl_type *glsl_get_base_glsl_type(const glsl_type *t);
|
||
|
||
unsigned glsl_get_length(const glsl_type *t);
|
||
|
||
static inline unsigned
|
||
glsl_get_vector_elements(const 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 glsl_type *t)
|
||
{
|
||
return t->vector_elements * t->matrix_columns;
|
||
}
|
||
|
||
static inline unsigned
|
||
glsl_get_matrix_columns(const glsl_type *t)
|
||
{
|
||
return t->matrix_columns;
|
||
}
|
||
|
||
const glsl_type *glsl_type_wrap_in_arrays(const glsl_type *t,
|
||
const 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 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 glsl_type *t);
|
||
|
||
const glsl_type *glsl_get_array_element(const 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 glsl_type *glsl_without_array(const glsl_type *t);
|
||
|
||
const glsl_type *glsl_without_array_or_matrix(const glsl_type *t);
|
||
const glsl_type *glsl_type_wrap_in_arrays(const glsl_type *t,
|
||
const glsl_type *arrays);
|
||
|
||
const glsl_type *glsl_get_cmat_element(const glsl_type *t);
|
||
const struct glsl_cmat_description *glsl_get_cmat_description(const glsl_type *t);
|
||
|
||
/**
|
||
* Return the amount of atomic counter storage required for a type.
|
||
*/
|
||
unsigned glsl_atomic_size(const 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_32bit(const glsl_type *t);
|
||
bool glsl_type_contains_64bit(const glsl_type *t);
|
||
bool glsl_type_contains_image(const glsl_type *t);
|
||
bool glsl_contains_atomic(const glsl_type *t);
|
||
bool glsl_contains_double(const glsl_type *t);
|
||
bool glsl_contains_integer(const glsl_type *t);
|
||
bool glsl_contains_opaque(const glsl_type *t);
|
||
bool glsl_contains_sampler(const glsl_type *t);
|
||
bool glsl_contains_array(const glsl_type *t);
|
||
bool glsl_contains_subroutine(const glsl_type *t);
|
||
|
||
static inline enum glsl_sampler_dim
|
||
glsl_get_sampler_dim(const glsl_type *t)
|
||
{
|
||
assert(glsl_type_is_sampler(t) ||
|
||
glsl_type_is_texture(t) ||
|
||
glsl_type_is_image(t));
|
||
return (enum glsl_sampler_dim)t->sampler_dimensionality;
|
||
}
|
||
|
||
static inline enum glsl_base_type
|
||
glsl_get_sampler_result_type(const glsl_type *t)
|
||
{
|
||
assert(glsl_type_is_sampler(t) ||
|
||
glsl_type_is_texture(t) ||
|
||
glsl_type_is_image(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 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 glsl_type *a, const 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 glsl_type *a, const glsl_type *b,
|
||
bool match_name, bool match_locations,
|
||
bool match_precision);
|
||
|
||
const glsl_type *glsl_get_struct_field(const glsl_type *t, unsigned index);
|
||
const glsl_struct_field *glsl_get_struct_field_data(const 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 glsl_type *t, unsigned length);
|
||
|
||
/**
|
||
* Get the location of a field within a record type
|
||
*/
|
||
int glsl_get_field_index(const glsl_type *t, const char *name);
|
||
|
||
/**
|
||
* 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_builtin_error is returned.
|
||
*/
|
||
const glsl_type *glsl_get_field_type(const glsl_type *t, const char *name);
|
||
|
||
static inline int
|
||
glsl_get_struct_field_offset(const glsl_type *t, unsigned index)
|
||
{
|
||
return t->fields.structure[index].offset;
|
||
}
|
||
|
||
static inline const char *
|
||
glsl_get_struct_elem_name(const glsl_type *t, unsigned index)
|
||
{
|
||
return t->fields.structure[index].name;
|
||
}
|
||
|
||
static inline const glsl_type *glsl_void_type(void) { return &glsl_type_builtin_void; }
|
||
static inline const glsl_type *glsl_float_type(void) { return &glsl_type_builtin_float; }
|
||
static inline const glsl_type *glsl_float16_t_type(void) { return &glsl_type_builtin_float16_t; }
|
||
static inline const glsl_type *glsl_double_type(void) { return &glsl_type_builtin_double; }
|
||
static inline const glsl_type *glsl_vec2_type(void) { return &glsl_type_builtin_vec2; }
|
||
static inline const glsl_type *glsl_dvec2_type(void) { return &glsl_type_builtin_dvec2; }
|
||
static inline const glsl_type *glsl_uvec2_type(void) { return &glsl_type_builtin_uvec2; }
|
||
static inline const glsl_type *glsl_ivec2_type(void) { return &glsl_type_builtin_ivec2; }
|
||
static inline const glsl_type *glsl_bvec2_type(void) { return &glsl_type_builtin_bvec2; }
|
||
static inline const glsl_type *glsl_vec4_type(void) { return &glsl_type_builtin_vec4; }
|
||
static inline const glsl_type *glsl_dvec4_type(void) { return &glsl_type_builtin_dvec4; }
|
||
static inline const glsl_type *glsl_uvec4_type(void) { return &glsl_type_builtin_uvec4; }
|
||
static inline const glsl_type *glsl_ivec4_type(void) { return &glsl_type_builtin_ivec4; }
|
||
static inline const glsl_type *glsl_bvec4_type(void) { return &glsl_type_builtin_bvec4; }
|
||
static inline const glsl_type *glsl_int_type(void) { return &glsl_type_builtin_int; }
|
||
static inline const glsl_type *glsl_uint_type(void) { return &glsl_type_builtin_uint; }
|
||
static inline const glsl_type *glsl_int64_t_type(void) { return &glsl_type_builtin_int64_t; }
|
||
static inline const glsl_type *glsl_uint64_t_type(void) { return &glsl_type_builtin_uint64_t; }
|
||
static inline const glsl_type *glsl_int16_t_type(void) { return &glsl_type_builtin_int16_t; }
|
||
static inline const glsl_type *glsl_uint16_t_type(void) { return &glsl_type_builtin_uint16_t; }
|
||
static inline const glsl_type *glsl_int8_t_type(void) { return &glsl_type_builtin_int8_t; }
|
||
static inline const glsl_type *glsl_uint8_t_type(void) { return &glsl_type_builtin_uint8_t; }
|
||
static inline const glsl_type *glsl_bool_type(void) { return &glsl_type_builtin_bool; }
|
||
static inline const glsl_type *glsl_atomic_uint_type(void) { return &glsl_type_builtin_atomic_uint; }
|
||
|
||
static inline const glsl_type *
|
||
glsl_floatN_t_type(unsigned bit_size)
|
||
{
|
||
switch (bit_size) {
|
||
case 16: return &glsl_type_builtin_float16_t;
|
||
case 32: return &glsl_type_builtin_float;
|
||
case 64: return &glsl_type_builtin_double;
|
||
default:
|
||
unreachable("Unsupported bit size");
|
||
}
|
||
}
|
||
|
||
static inline const glsl_type *
|
||
glsl_intN_t_type(unsigned bit_size)
|
||
{
|
||
switch (bit_size) {
|
||
case 8: return &glsl_type_builtin_int8_t;
|
||
case 16: return &glsl_type_builtin_int16_t;
|
||
case 32: return &glsl_type_builtin_int;
|
||
case 64: return &glsl_type_builtin_int64_t;
|
||
default:
|
||
unreachable("Unsupported bit size");
|
||
}
|
||
}
|
||
|
||
static inline const glsl_type *
|
||
glsl_uintN_t_type(unsigned bit_size)
|
||
{
|
||
switch (bit_size) {
|
||
case 8: return &glsl_type_builtin_uint8_t;
|
||
case 16: return &glsl_type_builtin_uint16_t;
|
||
case 32: return &glsl_type_builtin_uint;
|
||
case 64: return &glsl_type_builtin_uint64_t;
|
||
default:
|
||
unreachable("Unsupported bit size");
|
||
}
|
||
}
|
||
|
||
const glsl_type *glsl_vec_type(unsigned components);
|
||
const glsl_type *glsl_f16vec_type(unsigned components);
|
||
const glsl_type *glsl_dvec_type(unsigned components);
|
||
const glsl_type *glsl_ivec_type(unsigned components);
|
||
const glsl_type *glsl_uvec_type(unsigned components);
|
||
const glsl_type *glsl_bvec_type(unsigned components);
|
||
const glsl_type *glsl_i64vec_type(unsigned components);
|
||
const glsl_type *glsl_u64vec_type(unsigned components);
|
||
const glsl_type *glsl_i16vec_type(unsigned components);
|
||
const glsl_type *glsl_u16vec_type(unsigned components);
|
||
const glsl_type *glsl_i8vec_type(unsigned components);
|
||
const glsl_type *glsl_u8vec_type(unsigned components);
|
||
|
||
const glsl_type *glsl_simple_explicit_type(unsigned base_type, unsigned rows,
|
||
unsigned columns,
|
||
unsigned explicit_stride,
|
||
bool row_major,
|
||
unsigned explicit_alignment);
|
||
|
||
static inline const glsl_type *
|
||
glsl_simple_type(unsigned base_type, unsigned rows, unsigned columns)
|
||
{
|
||
return glsl_simple_explicit_type(base_type, rows, columns, 0, false, 0);
|
||
}
|
||
|
||
const glsl_type *glsl_sampler_type(enum glsl_sampler_dim dim,
|
||
bool shadow,
|
||
bool array,
|
||
enum glsl_base_type type);
|
||
const glsl_type *glsl_bare_sampler_type(void);
|
||
const glsl_type *glsl_bare_shadow_sampler_type(void);
|
||
const glsl_type *glsl_texture_type(enum glsl_sampler_dim dim,
|
||
bool array,
|
||
enum glsl_base_type type);
|
||
const glsl_type *glsl_image_type(enum glsl_sampler_dim dim,
|
||
bool array, enum glsl_base_type type);
|
||
const glsl_type *glsl_array_type(const glsl_type *element,
|
||
unsigned array_size,
|
||
unsigned explicit_stride);
|
||
const glsl_type *glsl_cmat_type(const struct glsl_cmat_description *desc);
|
||
const glsl_type *glsl_struct_type_with_explicit_alignment(const glsl_struct_field *fields,
|
||
unsigned num_fields,
|
||
const char *name,
|
||
bool packed,
|
||
unsigned explicit_alignment);
|
||
|
||
static inline const glsl_type *
|
||
glsl_struct_type(const glsl_struct_field *fields, unsigned num_fields,
|
||
const char *name, bool packed)
|
||
{
|
||
return glsl_struct_type_with_explicit_alignment(fields, num_fields, name, packed, 0);
|
||
}
|
||
|
||
const glsl_type *glsl_interface_type(const glsl_struct_field *fields,
|
||
unsigned num_fields,
|
||
enum glsl_interface_packing packing,
|
||
bool row_major,
|
||
const char *block_name);
|
||
const 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 glsl_type *glsl_get_row_type(const 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 glsl_type *glsl_get_column_type(const 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 glsl_type *glsl_get_explicit_type_for_size_align(const glsl_type *type,
|
||
glsl_type_size_align_func type_info,
|
||
unsigned *size, unsigned *alignment);
|
||
|
||
const glsl_type *glsl_type_replace_vec3_with_vec4(const glsl_type *type);
|
||
|
||
/**
|
||
* Gets the float16 version of this type.
|
||
*/
|
||
const glsl_type *glsl_float16_type(const glsl_type *t);
|
||
|
||
/**
|
||
* Gets the int16 version of this type.
|
||
*/
|
||
const glsl_type *glsl_int16_type(const glsl_type *t);
|
||
|
||
/**
|
||
* Gets the uint16 version of this type.
|
||
*/
|
||
const glsl_type *glsl_uint16_type(const glsl_type *t);
|
||
|
||
const glsl_type *glsl_type_to_16bit(const glsl_type *old_type);
|
||
|
||
static inline const glsl_type *
|
||
glsl_scalar_type(enum glsl_base_type base_type)
|
||
{
|
||
return glsl_simple_type(base_type, 1, 1);
|
||
}
|
||
|
||
static inline const glsl_type *
|
||
glsl_vector_type(enum glsl_base_type base_type, unsigned components)
|
||
{
|
||
const glsl_type *t = glsl_simple_type(base_type, components, 1);
|
||
assert(t != &glsl_type_builtin_error);
|
||
return t;
|
||
}
|
||
|
||
static inline const glsl_type *
|
||
glsl_matrix_type(enum glsl_base_type base_type,
|
||
unsigned rows, unsigned columns)
|
||
{
|
||
const glsl_type *t = glsl_simple_type(base_type, rows, columns);
|
||
assert(t != &glsl_type_builtin_error);
|
||
return t;
|
||
}
|
||
|
||
static inline const glsl_type *
|
||
glsl_explicit_matrix_type(const glsl_type *mat, unsigned stride,
|
||
bool row_major) {
|
||
assert(stride > 0);
|
||
const glsl_type *t = glsl_simple_explicit_type(mat->base_type,
|
||
mat->vector_elements,
|
||
mat->matrix_columns,
|
||
stride, row_major, 0);
|
||
assert(t != &glsl_type_builtin_error);
|
||
return t;
|
||
|
||
}
|
||
|
||
static inline const glsl_type *
|
||
glsl_transposed_type(const glsl_type *t)
|
||
{
|
||
assert(glsl_type_is_matrix(t));
|
||
return glsl_simple_type(t->base_type, t->matrix_columns, t->vector_elements);
|
||
}
|
||
|
||
static inline const glsl_type *
|
||
glsl_texture_type_to_sampler(const glsl_type *t, bool is_shadow)
|
||
{
|
||
assert(glsl_type_is_texture(t));
|
||
return glsl_sampler_type((enum glsl_sampler_dim)t->sampler_dimensionality,
|
||
is_shadow, t->sampler_array,
|
||
(enum glsl_base_type)t->sampled_type);
|
||
}
|
||
|
||
static inline const glsl_type *
|
||
glsl_sampler_type_to_texture(const glsl_type *t)
|
||
{
|
||
assert(glsl_type_is_sampler(t) && !glsl_type_is_bare_sampler(t));
|
||
return glsl_texture_type((enum glsl_sampler_dim)t->sampler_dimensionality,
|
||
t->sampler_array,
|
||
(enum glsl_base_type)t->sampled_type);
|
||
}
|
||
|
||
const glsl_type *glsl_replace_vector_type(const glsl_type *t, unsigned components);
|
||
const glsl_type *glsl_channel_type(const glsl_type *t);
|
||
|
||
/**
|
||
* Get the type resulting from a multiplication of \p type_a * \p type_b
|
||
*/
|
||
const glsl_type *glsl_get_mul_type(const glsl_type *type_a, const glsl_type *type_b);
|
||
|
||
unsigned glsl_type_get_sampler_count(const glsl_type *t);
|
||
unsigned glsl_type_get_texture_count(const glsl_type *t);
|
||
unsigned glsl_type_get_image_count(const 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 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 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 glsl_type *t);
|
||
|
||
unsigned glsl_get_component_slots_aligned(const 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 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 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 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 glsl_type *t);
|
||
|
||
/**
|
||
* Alignment in bytes of the start of this type in OpenCL memory.
|
||
*/
|
||
unsigned glsl_get_cl_alignment(const glsl_type *t);
|
||
|
||
void glsl_get_cl_type_size_align(const 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 glsl_type *t, bool std430_supported);
|
||
|
||
static inline enum glsl_interface_packing
|
||
glsl_get_ifc_packing(const glsl_type *t)
|
||
{
|
||
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 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 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 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 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 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 glsl_type *t, bool align_to_stride);
|
||
|
||
static inline unsigned
|
||
glsl_get_explicit_stride(const glsl_type *t)
|
||
{
|
||
return t->explicit_stride;
|
||
}
|
||
|
||
static inline unsigned
|
||
glsl_get_explicit_alignment(const glsl_type *t)
|
||
{
|
||
return t->explicit_alignment;
|
||
}
|
||
|
||
/**
|
||
* Gets an explicitly laid out type with the std140 layout.
|
||
*/
|
||
const glsl_type *glsl_get_explicit_std140_type(const glsl_type *t, bool row_major);
|
||
|
||
/**
|
||
* Gets an explicitly laid out type with the std430 layout.
|
||
*/
|
||
const glsl_type *glsl_get_explicit_std430_type(const glsl_type *t, bool row_major);
|
||
|
||
/**
|
||
* Gets an explicitly laid out interface type.
|
||
*/
|
||
static inline const glsl_type *
|
||
glsl_get_explicit_interface_type(const glsl_type *t, bool supports_std430)
|
||
{
|
||
enum glsl_interface_packing packing = glsl_get_internal_ifc_packing(t, supports_std430);
|
||
if (packing == GLSL_INTERFACE_PACKING_STD140) {
|
||
return glsl_get_explicit_std140_type(t, t->interface_row_major);
|
||
} else {
|
||
assert(packing == GLSL_INTERFACE_PACKING_STD430);
|
||
return glsl_get_explicit_std430_type(t, t->interface_row_major);
|
||
}
|
||
}
|
||
|
||
void glsl_get_natural_size_align_bytes(const glsl_type *t, unsigned *size, unsigned *align);
|
||
void glsl_get_vec4_size_align_bytes(const glsl_type *type, unsigned *size, unsigned *align);
|
||
|
||
#ifdef __cplusplus
|
||
} /* extern "C" */
|
||
#endif
|
||
|
||
#endif /* GLSL_TYPES_H */
|