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/*
* Copyright © 2016 Bas Nieuwenhuizen
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef RADV_DESCRIPTOR_SET_H
#define RADV_DESCRIPTOR_SET_H
#include <vulkan/vulkan.h>
#define MAX_SETS 32
struct radv_descriptor_set_binding_layout {
VkDescriptorType type;
/* Number of array elements in this binding */
uint32_t array_size;
uint32_t offset;
uint32_t buffer_offset;
uint16_t dynamic_offset_offset;
uint16_t dynamic_offset_count;
/* redundant with the type, each for a single array element */
uint32_t size;
/* Offset in the radv_descriptor_set_layout of the immutable samplers, or 0
* if there are no immutable samplers. */
uint32_t immutable_samplers_offset;
bool immutable_samplers_equal;
};
struct radv_descriptor_set_layout {
/* The create flags for this descriptor set layout */
VkDescriptorSetLayoutCreateFlags flags;
/* Number of bindings in this descriptor set */
uint32_t binding_count;
/* Total size of the descriptor set with room for all array entries */
uint32_t size;
/* Shader stages affected by this descriptor set */
uint16_t shader_stages;
uint16_t dynamic_shader_stages;
/* Number of buffers in this descriptor set */
uint32_t buffer_count;
/* Number of dynamic offsets used by this descriptor set */
uint16_t dynamic_offset_count;
bool has_immutable_samplers;
bool has_variable_descriptors;
/* Bindings in this descriptor set */
struct radv_descriptor_set_binding_layout binding[0];
};
struct radv_pipeline_layout {
struct {
struct radv_descriptor_set_layout *layout;
uint32_t size;
uint32_t dynamic_offset_start;
} set[MAX_SETS];
uint32_t num_sets;
uint32_t push_constant_size;
uint32_t dynamic_offset_count;
unsigned char sha1[20];
};
static inline const uint32_t *
radv_immutable_samplers(const struct radv_descriptor_set_layout *set,
const struct radv_descriptor_set_binding_layout *binding) {
return (const uint32_t*)((const char*)set + binding->immutable_samplers_offset);
}
#endif /* RADV_DESCRIPTOR_SET_H */
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