4d8581c7ee
This change adds the option to update a buffer via the render graph via `vkCmdUpdateBuffer`. This is only enabled for uniform buffers as they are small and aligned/sized correctly. Pull Request: https://projects.blender.org/blender/blender/pulls/128416
105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
/* SPDX-FileCopyrightText: 2022 Blender Authors
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
/** \file
|
|
* \ingroup gpu
|
|
*/
|
|
#include "vk_shader.hh"
|
|
#include "vk_shader_interface.hh"
|
|
#include "vk_staging_buffer.hh"
|
|
#include "vk_state_manager.hh"
|
|
#include "vk_vertex_buffer.hh"
|
|
|
|
#include "vk_storage_buffer.hh"
|
|
|
|
namespace blender::gpu {
|
|
|
|
VKStorageBuffer::VKStorageBuffer(size_t size, GPUUsageType usage, const char *name)
|
|
: StorageBuf(size, name), usage_(usage)
|
|
{
|
|
}
|
|
|
|
void VKStorageBuffer::update(const void *data)
|
|
{
|
|
VKContext &context = *VKContext::get();
|
|
ensure_allocated();
|
|
VKStagingBuffer staging_buffer(buffer_, VKStagingBuffer::Direction::HostToDevice);
|
|
staging_buffer.host_buffer_get().update_immediately(data);
|
|
staging_buffer.copy_to_device(context);
|
|
}
|
|
|
|
void VKStorageBuffer::ensure_allocated()
|
|
{
|
|
if (!buffer_.is_allocated()) {
|
|
allocate();
|
|
}
|
|
}
|
|
|
|
void VKStorageBuffer::allocate()
|
|
{
|
|
const bool is_host_visible = false;
|
|
const VkBufferUsageFlags buffer_usage_flags = VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT |
|
|
VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
|
|
VK_BUFFER_USAGE_TRANSFER_SRC_BIT |
|
|
VK_BUFFER_USAGE_TRANSFER_DST_BIT;
|
|
buffer_.create(size_in_bytes_, usage_, buffer_usage_flags, is_host_visible);
|
|
debug::object_label(buffer_.vk_handle(), name_);
|
|
}
|
|
|
|
void VKStorageBuffer::bind(int slot)
|
|
{
|
|
VKContext &context = *VKContext::get();
|
|
context.state_manager_get().storage_buffer_bind(
|
|
BindSpaceStorageBuffers::Type::StorageBuffer, this, slot);
|
|
}
|
|
|
|
void VKStorageBuffer::unbind()
|
|
{
|
|
VKContext *context = VKContext::get();
|
|
if (context) {
|
|
context->state_manager_get().storage_buffer_unbind(this);
|
|
}
|
|
}
|
|
|
|
void VKStorageBuffer::clear(uint32_t clear_value)
|
|
{
|
|
ensure_allocated();
|
|
VKContext &context = *VKContext::get();
|
|
buffer_.clear(context, clear_value);
|
|
}
|
|
|
|
void VKStorageBuffer::copy_sub(VertBuf *src, uint dst_offset, uint src_offset, uint copy_size)
|
|
{
|
|
ensure_allocated();
|
|
|
|
VKVertexBuffer &src_vertex_buffer = *unwrap(src);
|
|
src_vertex_buffer.upload();
|
|
|
|
render_graph::VKCopyBufferNode::CreateInfo copy_buffer = {};
|
|
copy_buffer.src_buffer = src_vertex_buffer.vk_handle();
|
|
copy_buffer.dst_buffer = vk_handle();
|
|
copy_buffer.region.srcOffset = src_offset;
|
|
copy_buffer.region.dstOffset = dst_offset;
|
|
copy_buffer.region.size = copy_size;
|
|
|
|
VKContext &context = *VKContext::get();
|
|
context.render_graph.add_node(copy_buffer);
|
|
}
|
|
|
|
void VKStorageBuffer::async_flush_to_host()
|
|
{
|
|
GPU_memory_barrier(GPU_BARRIER_BUFFER_UPDATE);
|
|
}
|
|
|
|
void VKStorageBuffer::read(void *data)
|
|
{
|
|
ensure_allocated();
|
|
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);
|
|
}
|
|
|
|
} // namespace blender::gpu
|