127 строки
3.4 KiB
C
127 строки
3.4 KiB
C
/*
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* Copyright 2015-2017 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SPIRV_CROSS_EXTERNAL_INTERFACE_H
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#define SPIRV_CROSS_EXTERNAL_INTERFACE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stddef.h>
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typedef struct spirv_cross_shader spirv_cross_shader_t;
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struct spirv_cross_interface
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{
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spirv_cross_shader_t *(*construct)(void);
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void (*destruct)(spirv_cross_shader_t *thiz);
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void (*invoke)(spirv_cross_shader_t *thiz);
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};
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void spirv_cross_set_stage_input(spirv_cross_shader_t *thiz, unsigned location, void *data, size_t size);
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void spirv_cross_set_stage_output(spirv_cross_shader_t *thiz, unsigned location, void *data, size_t size);
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void spirv_cross_set_push_constant(spirv_cross_shader_t *thiz, void *data, size_t size);
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void spirv_cross_set_uniform_constant(spirv_cross_shader_t *thiz, unsigned location, void *data, size_t size);
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void spirv_cross_set_resource(spirv_cross_shader_t *thiz, unsigned set, unsigned binding, void **data, size_t size);
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const struct spirv_cross_interface *spirv_cross_get_interface(void);
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typedef enum spirv_cross_builtin {
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SPIRV_CROSS_BUILTIN_POSITION = 0,
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SPIRV_CROSS_BUILTIN_FRAG_COORD = 1,
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SPIRV_CROSS_BUILTIN_WORK_GROUP_ID = 2,
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SPIRV_CROSS_BUILTIN_NUM_WORK_GROUPS = 3,
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SPIRV_CROSS_NUM_BUILTINS
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} spirv_cross_builtin;
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void spirv_cross_set_builtin(spirv_cross_shader_t *thiz, spirv_cross_builtin builtin, void *data, size_t size);
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#define SPIRV_CROSS_NUM_DESCRIPTOR_SETS 4
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#define SPIRV_CROSS_NUM_DESCRIPTOR_BINDINGS 16
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#define SPIRV_CROSS_NUM_STAGE_INPUTS 16
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#define SPIRV_CROSS_NUM_STAGE_OUTPUTS 16
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#define SPIRV_CROSS_NUM_UNIFORM_CONSTANTS 32
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enum spirv_cross_format
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{
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SPIRV_CROSS_FORMAT_R8_UNORM = 0,
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SPIRV_CROSS_FORMAT_R8G8_UNORM = 1,
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SPIRV_CROSS_FORMAT_R8G8B8_UNORM = 2,
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SPIRV_CROSS_FORMAT_R8G8B8A8_UNORM = 3,
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SPIRV_CROSS_NUM_FORMATS
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};
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enum spirv_cross_wrap
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{
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SPIRV_CROSS_WRAP_CLAMP_TO_EDGE = 0,
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SPIRV_CROSS_WRAP_REPEAT = 1,
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SPIRV_CROSS_NUM_WRAP
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};
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enum spirv_cross_filter
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{
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SPIRV_CROSS_FILTER_NEAREST = 0,
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SPIRV_CROSS_FILTER_LINEAR = 1,
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SPIRV_CROSS_NUM_FILTER
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};
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enum spirv_cross_mipfilter
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{
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SPIRV_CROSS_MIPFILTER_BASE = 0,
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SPIRV_CROSS_MIPFILTER_NEAREST = 1,
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SPIRV_CROSS_MIPFILTER_LINEAR = 2,
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SPIRV_CROSS_NUM_MIPFILTER
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};
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struct spirv_cross_miplevel
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{
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const void *data;
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unsigned width, height;
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size_t stride;
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};
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struct spirv_cross_sampler_info
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{
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const struct spirv_cross_miplevel *mipmaps;
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unsigned num_mipmaps;
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enum spirv_cross_format format;
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enum spirv_cross_wrap wrap_s;
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enum spirv_cross_wrap wrap_t;
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enum spirv_cross_filter min_filter;
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enum spirv_cross_filter mag_filter;
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enum spirv_cross_mipfilter mip_filter;
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};
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typedef struct spirv_cross_sampler_2d spirv_cross_sampler_2d_t;
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spirv_cross_sampler_2d_t *spirv_cross_create_sampler_2d(const struct spirv_cross_sampler_info *info);
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void spirv_cross_destroy_sampler_2d(spirv_cross_sampler_2d_t *samp);
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#ifdef __cplusplus
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}
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#endif
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#endif
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