Files
test2/source/blender/gpu/vulkan/vk_index_buffer.cc
Jeroen Bakker 264681344f Vulkan: Provide more control on memory allocation
This change give access to preferred and required allocation flags
allowing better control over where memory is allocated.

Pull Request: https://projects.blender.org/blender/blender/pulls/133059
2025-01-14 17:41:35 +01:00

98 lines
2.3 KiB
C++

/* SPDX-FileCopyrightText: 2022 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup gpu
*/
#include "vk_index_buffer.hh"
#include "vk_shader.hh"
#include "vk_shader_interface.hh"
#include "vk_staging_buffer.hh"
#include "vk_state_manager.hh"
namespace blender::gpu {
void VKIndexBuffer::ensure_updated()
{
if (is_subrange_) {
src_->upload_data();
return;
}
if (!buffer_.is_allocated()) {
allocate();
}
if (data_ == nullptr) {
return;
}
if (!data_uploaded_ && buffer_.is_mapped()) {
buffer_.update_immediately(data_);
MEM_SAFE_FREE(data_);
}
else {
VKContext &context = *VKContext::get();
VKStagingBuffer staging_buffer(buffer_, VKStagingBuffer::Direction::HostToDevice);
staging_buffer.host_buffer_get().update_immediately(data_);
staging_buffer.copy_to_device(context);
MEM_SAFE_FREE(data_);
}
data_uploaded_ = true;
}
void VKIndexBuffer::upload_data()
{
ensure_updated();
}
void VKIndexBuffer::bind_as_ssbo(uint binding)
{
VKContext::get()->state_manager_get().storage_buffer_bind(
BindSpaceStorageBuffers::Type::IndexBuffer, this, binding);
}
void VKIndexBuffer::read(uint32_t *data) const
{
VKContext &context = *VKContext::get();
VKStagingBuffer staging_buffer(buffer_, VKStagingBuffer::Direction::DeviceToHost);
staging_buffer.copy_from_device(context);
staging_buffer.host_buffer_get().read(context, data);
}
void VKIndexBuffer::update_sub(uint /*start*/, uint /*len*/, const void * /*data*/)
{
NOT_YET_IMPLEMENTED
}
void VKIndexBuffer::strip_restart_indices()
{
NOT_YET_IMPLEMENTED
}
void VKIndexBuffer::allocate()
{
GPUUsageType usage = data_ == nullptr ? GPU_USAGE_DEVICE_ONLY : GPU_USAGE_STATIC;
buffer_.create(size_get(),
usage,
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT |
VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
debug::object_label(buffer_.vk_handle(), "IndexBuffer");
}
const VKBuffer &VKIndexBuffer::buffer_get() const
{
return is_subrange_ ? unwrap(src_)->buffer_ : buffer_;
}
VKBuffer &VKIndexBuffer::buffer_get()
{
return is_subrange_ ? unwrap(src_)->buffer_ : buffer_;
}
} // namespace blender::gpu