mesa/src/vulkan/runtime/vk_buffer.h

79 lines
2.5 KiB
C

/*
* Copyright © 2022 Collabora, Ltd.
*
* 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 VK_BUFFER_H
#define VK_BUFFER_H
#include "vk_object.h"
#ifdef __cplusplus
extern "C" {
#endif
struct vk_buffer {
struct vk_object_base base;
/** VkBufferCreateInfo::flags */
VkBufferCreateFlags create_flags;
/** VkBufferCreateInfo::size */
VkDeviceSize size;
/** VkBufferCreateInfo::usage */
VkBufferUsageFlags usage;
};
VK_DEFINE_NONDISP_HANDLE_CASTS(vk_buffer, base, VkBuffer,
VK_OBJECT_TYPE_BUFFER);
void vk_buffer_init(struct vk_device *device,
struct vk_buffer *buffer,
const VkBufferCreateInfo *pCreateInfo);
void vk_buffer_finish(struct vk_buffer *buffer);
void *vk_buffer_create(struct vk_device *device,
const VkBufferCreateInfo *pCreateInfo,
const VkAllocationCallbacks *alloc,
size_t size);
void vk_buffer_destroy(struct vk_device *device,
const VkAllocationCallbacks *alloc,
struct vk_buffer *buffer);
static inline uint64_t
vk_buffer_range(const struct vk_buffer *buffer,
uint64_t offset, uint64_t range)
{
assert(offset <= buffer->size);
if (range == VK_WHOLE_SIZE) {
return buffer->size - offset;
} else {
assert(range + offset >= range);
assert(range + offset <= buffer->size);
return range;
}
}
#ifdef __cplusplus
}
#endif
#endif /* VK_BUFFER_H */