Files
test/source/blender/gpu/vulkan/vk_buffer.hh
Jeroen Bakker 481c8fd5a7 Vulkan: Memory leak in immediate mode during exit
When exiting the immediate buffers are discarded, but where not
destroyed making the buffers still leak.
Detected when looking into descriptor set freeze issue.

Pull Request: https://projects.blender.org/blender/blender/pulls/128249
2024-09-27 15:01:10 +02:00

97 lines
2.0 KiB
C++

/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup gpu
*/
#pragma once
#include "gpu_context_private.hh"
#include "BLI_utility_mixins.hh"
#include "vk_common.hh"
namespace blender::gpu {
class VKContext;
class VKDevice;
/**
* Class for handing vulkan buffers (allocation/updating/binding).
*/
class VKBuffer : public NonCopyable {
size_t size_in_bytes_ = 0;
VkBuffer vk_buffer_ = VK_NULL_HANDLE;
VmaAllocation allocation_ = VK_NULL_HANDLE;
/* Pointer to the virtually mapped memory. */
void *mapped_memory_ = nullptr;
public:
VKBuffer() = default;
virtual ~VKBuffer();
/** Has this buffer been allocated? */
bool is_allocated() const;
bool create(size_t size,
GPUUsageType usage,
VkBufferUsageFlags buffer_usage,
bool is_host_visible = true);
void clear(VKContext &context, uint32_t clear_value);
void update(const void *data) const;
void flush() const;
void read(VKContext &context, void *data) const;
/**
* Free the buffer.
*
* Discards the buffer so it can be destroyed safely later. Buffers can still be used when
* rendering so we can only destroy them after the rendering is completed.
*/
bool free();
/**
* Destroy the buffer immediately.
*/
void free_immediately(VKDevice &device);
int64_t size_in_bytes() const
{
return size_in_bytes_;
}
VkBuffer vk_handle() const
{
return vk_buffer_;
}
/**
* Get the reference to the mapped memory.
*
* Can only be called when the buffer is (still) mapped.
*/
void *mapped_memory_get() const;
/**
* Is this buffer mapped (visible on host)
*/
bool is_mapped() const;
private:
/** Check if this buffer is mapped. */
bool map();
void unmap();
};
/**
* Helper struct to enable buffers to be bound with an offset.
*
* Used for de-interleaved vertex input buffers and immediate mode buffers.
*/
struct VKBufferWithOffset {
const VkBuffer buffer;
VkDeviceSize offset;
};
} // namespace blender::gpu