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blender-archive/source/blender/gpu/vulkan/vk_storage_buffer.cc
Jeroen Bakker 8ded95c175 Vulkan: Clearing Storage Buffers
This PR adds support for `GPU_storagebuf_clear` and
`GPU_storagebuf_clear_zero` to the Vulkan backend. It also adds test
cases for all backends.

Pull Request: blender/blender#105487
2023-03-17 13:48:39 +01:00

80 lines
2.0 KiB
C++

/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2022 Blender Foundation. All rights reserved. */
/** \file
* \ingroup gpu
*/
#include "vk_shader.hh"
#include "vk_shader_interface.hh"
#include "vk_vertex_buffer.hh"
#include "vk_storage_buffer.hh"
namespace blender::gpu {
void VKStorageBuffer::update(const void *data)
{
if (!buffer_.is_allocated()) {
VKContext &context = *VKContext::get();
allocate(context);
}
buffer_.update(data);
}
void VKStorageBuffer::allocate(VKContext &context)
{
buffer_.create(context,
size_in_bytes_,
usage_,
static_cast<VkBufferUsageFlagBits>(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
VK_BUFFER_USAGE_TRANSFER_DST_BIT));
}
void VKStorageBuffer::bind(int slot)
{
VKContext &context = *VKContext::get();
if (!buffer_.is_allocated()) {
allocate(context);
}
VKShader *shader = static_cast<VKShader *>(context.shader);
const VKShaderInterface &shader_interface = shader->interface_get();
const VKDescriptorSet::Location location = shader_interface.descriptor_set_location(
shader::ShaderCreateInfo::Resource::BindType::STORAGE_BUFFER, slot);
shader->pipeline_get().descriptor_set_get().bind(*this, location);
}
void VKStorageBuffer::unbind()
{
}
void VKStorageBuffer::clear(uint32_t clear_value)
{
VKContext &context = *VKContext::get();
if (!buffer_.is_allocated()) {
allocate(context);
}
buffer_.clear(context, clear_value);
}
void VKStorageBuffer::copy_sub(VertBuf * /*src*/,
uint /*dst_offset*/,
uint /*src_offset*/,
uint /*copy_size*/)
{
}
void VKStorageBuffer::read(void *data)
{
VKContext &context = *VKContext::get();
if (!buffer_.is_allocated()) {
allocate(context);
}
VKCommandBuffer &command_buffer = context.command_buffer_get();
command_buffer.submit();
buffer_.read(data);
}
} // namespace blender::gpu