// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <algorithm>
#include <array>
#include <cstring>
#include <span>
#include <vector>
#include "video_core/renderer_vulkan/maxwell_to_vk.h"
#include "video_core/renderer_vulkan/vk_buffer_cache.h"
#include "video_core/renderer_vulkan/vk_scheduler.h"
#include "video_core/renderer_vulkan/vk_staging_buffer_pool.h"
#include "video_core/renderer_vulkan/vk_update_descriptor.h"
#include "video_core/vulkan_common/vulkan_device.h"
#include "video_core/vulkan_common/vulkan_memory_allocator.h"
#include "video_core/vulkan_common/vulkan_wrapper.h"
namespace Vulkan {
namespace {
VkBufferCopy MakeBufferCopy(const VideoCommon::BufferCopy& copy) {
return VkBufferCopy{
.srcOffset = copy.src_offset,
.dstOffset = copy.dst_offset,
.size = copy.size,
};
}
VkIndexType IndexTypeFromNumElements(const Device& device, u32 num_elements) {
if (num_elements <= 0xff && device.IsExtIndexTypeUint8Supported()) {
return VK_INDEX_TYPE_UINT8_EXT;
}
if (num_elements <= 0xffff) {
return VK_INDEX_TYPE_UINT16;
}
return VK_INDEX_TYPE_UINT32;
}
size_t BytesPerIndex(VkIndexType index_type) {
switch (index_type) {
case VK_INDEX_TYPE_UINT8_EXT:
return 1;
case VK_INDEX_TYPE_UINT16:
return 2;
case VK_INDEX_TYPE_UINT32:
return 4;
default:
ASSERT_MSG(false, "Invalid index type={}", index_type);
return 1;
}
}
vk::Buffer CreateBuffer(const Device& device, const MemoryAllocator& memory_allocator, u64 size) {
VkBufferUsageFlags flags =
VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT |
VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT |
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT |
VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_VERTEX_BUFFER_BIT |
VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT;
if (device.IsExtTransformFeedbackSupported()) {
flags |= VK_BUFFER_USAGE_TRANSFORM_FEEDBACK_BUFFER_BIT_EXT;
}
const VkBufferCreateInfo buffer_ci = {
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.size = size,
.usage = flags,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = nullptr,
};
return memory_allocator.CreateBuffer(buffer_ci, MemoryUsage::DeviceLocal);
}
} // Anonymous namespace
Buffer::Buffer(BufferCacheRuntime&, VideoCommon::NullBufferParams null_params)
: VideoCommon::BufferBase<VideoCore::RasterizerInterface>(null_params) {}
Buffer::Buffer(BufferCacheRuntime& runtime, VideoCore::RasterizerInterface& rasterizer_,
VAddr cpu_addr_, u64 size_bytes_)
: VideoCommon::BufferBase<VideoCore::RasterizerInterface>(rasterizer_, cpu_addr_, size_bytes_),
device{&runtime.device}, buffer{
CreateBuffer(*device, runtime.memory_allocator, SizeBytes())} {
if (runtime.device.HasDebuggingToolAttached()) {
buffer.SetObjectNameEXT(fmt::format("Buffer 0x{:x}", CpuAddr()).c_str());
}
}
VkBufferView Buffer::View(u32 offset, u32 size, VideoCore::Surface::PixelFormat format) {
if (!device) {
// Null buffer, return a null descriptor
return VK_NULL_HANDLE;
}
const auto it{std::ranges::find_if(views, [offset, size, format](const BufferView& view) {
return offset == view.offset && size == view.size && format == view.format;
})};
if (it != views.end()) {
return *it->handle;
}
views.push_back({
.offset = offset,
.size = size,
.format = format,
.handle = device->GetLogical().CreateBufferView({
.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.buffer = *buffer,
.format = MaxwellToVK::SurfaceFormat(*device, FormatType::Buffer, false, format).format,
.offset = offset,
.range = size,
}),
});
return *views.back().handle;
}
class QuadIndexBuffer {
public:
QuadIndexBuffer(const Device& device_, MemoryAllocator& memory_allocator_,
Scheduler& scheduler_, StagingBufferPool& staging_pool_)
: device{device_}, memory_allocator{memory_allocator_}, scheduler{scheduler_},
staging_pool{staging_pool_} {}
virtual ~QuadIndexBuffer() = default;
void UpdateBuffer(u32 num_indices_) {
if (num_indices_ <= num_indices) {
return;
}
scheduler.Finish();
num_indices = num_indices_;
index_type = IndexTypeFromNumElements(device, num_indices);
const u32 num_quads = GetQuadsNum(num_indices);
const u32 num_triangle_indices = num_quads * 6;
const u32 num_first_offset_copies = 4;
const size_t bytes_per_index = BytesPerIndex(index_type);
const size_t size_bytes = num_triangle_indices * bytes_per_index * num_first_offset_copies;
const VkBufferCreateInfo buffer_ci = {
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.size = size_bytes,
.usage = VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = nullptr,
};
buffer = memory_allocator.CreateBuffer(buffer_ci, MemoryUsage::DeviceLocal);
if (device.HasDebuggingToolAttached()) {
buffer.SetObjectNameEXT("Quad LUT");
}
const bool host_visible = buffer.IsHostVisible();
const StagingBufferRef staging = [&] {
if (host_visible) {
return StagingBufferRef{};
}
return staging_pool.Request(size_bytes, MemoryUsage::Upload);
}();
u8* staging_data = host_visible ? buffer.Mapped().data() : staging.mapped_span.data();
const size_t quad_size = bytes_per_index * 6;
for (u32 first = 0; first < num_first_offset_copies; ++first) {
for (u32 quad = 0; quad < num_quads; ++quad) {
MakeAndUpdateIndices(staging_data, quad_size, quad, first);
staging_data += quad_size;
}
}
if (!host_visible) {
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([src_buffer = staging.buffer, src_offset = staging.offset,
dst_buffer = *buffer, size_bytes](vk::CommandBuffer cmdbuf) {
const VkBufferCopy copy{
.srcOffset = src_offset,
.dstOffset = 0,
.size = size_bytes,
};
const VkBufferMemoryBarrier write_barrier{
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.dstAccessMask = VK_ACCESS_INDEX_READ_BIT,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.buffer = dst_buffer,
.offset = 0,
.size = size_bytes,
};
cmdbuf.CopyBuffer(src_buffer, dst_buffer, copy);
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_VERTEX_INPUT_BIT, 0, write_barrier);
});
} else {
buffer.Flush();
}
}
void BindBuffer(u32 first) {
const VkIndexType index_type_ = index_type;
const size_t sub_first_offset = static_cast<size_t>(first % 4) * GetQuadsNum(num_indices);
const size_t offset =
(sub_first_offset + GetQuadsNum(first)) * 6ULL * BytesPerIndex(index_type);
scheduler.Record([buffer = *buffer, index_type_, offset](vk::CommandBuffer cmdbuf) {
cmdbuf.BindIndexBuffer(buffer, offset, index_type_);
});
}
protected:
virtual u32 GetQuadsNum(u32 num_indices) const = 0;
virtual void MakeAndUpdateIndices(u8* staging_data, size_t quad_size, u32 quad, u32 first) = 0;
const Device& device;
MemoryAllocator& memory_allocator;
Scheduler& scheduler;
StagingBufferPool& staging_pool;
vk::Buffer buffer{};
MemoryCommit memory_commit{};
VkIndexType index_type{};
u32 num_indices = 0;
};
class QuadArrayIndexBuffer : public QuadIndexBuffer {
public:
QuadArrayIndexBuffer(const Device& device_, MemoryAllocator& memory_allocator_,
Scheduler& scheduler_, StagingBufferPool& staging_pool_)
: QuadIndexBuffer(device_, memory_allocator_, scheduler_, staging_pool_) {}
~QuadArrayIndexBuffer() = default;
private:
u32 GetQuadsNum(u32 num_indices_) const override {
return num_indices_ / 4;
}
template <typename T>
static std::array<T, 6> MakeIndices(u32 quad, u32 first) {
std::array<T, 6> indices{0, 1, 2, 0, 2, 3};
for (T& index : indices) {
index = static_cast<T>(first + index + quad * 4);
}
return indices;
}
void MakeAndUpdateIndices(u8* staging_data, size_t quad_size, u32 quad, u32 first) override {
switch (index_type) {
case VK_INDEX_TYPE_UINT8_EXT:
std::memcpy(staging_data, MakeIndices<u8>(quad, first).data(), quad_size);
break;
case VK_INDEX_TYPE_UINT16:
std::memcpy(staging_data, MakeIndices<u16>(quad, first).data(), quad_size);
break;
case VK_INDEX_TYPE_UINT32:
std::memcpy(staging_data, MakeIndices<u32>(quad, first).data(), quad_size);
break;
default:
ASSERT(false);
break;
}
}
};
class QuadStripIndexBuffer : public QuadIndexBuffer {
public:
QuadStripIndexBuffer(const Device& device_, MemoryAllocator& memory_allocator_,
Scheduler& scheduler_, StagingBufferPool& staging_pool_)
: QuadIndexBuffer(device_, memory_allocator_, scheduler_, staging_pool_) {}
~QuadStripIndexBuffer() = default;
private:
u32 GetQuadsNum(u32 num_indices_) const override {
return num_indices_ >= 4 ? (num_indices_ - 2) / 2 : 0;
}
template <typename T>
static std::array<T, 6> MakeIndices(u32 quad, u32 first) {
std::array<T, 6> indices{0, 3, 1, 0, 2, 3};
for (T& index : indices) {
index = static_cast<T>(first + index + quad * 2);
}
return indices;
}
void MakeAndUpdateIndices(u8* staging_data, size_t quad_size, u32 quad, u32 first) override {
switch (index_type) {
case VK_INDEX_TYPE_UINT8_EXT:
std::memcpy(staging_data, MakeIndices<u8>(quad, first).data(), quad_size);
break;
case VK_INDEX_TYPE_UINT16:
std::memcpy(staging_data, MakeIndices<u16>(quad, first).data(), quad_size);
break;
case VK_INDEX_TYPE_UINT32:
std::memcpy(staging_data, MakeIndices<u32>(quad, first).data(), quad_size);
break;
default:
ASSERT(false);
break;
}
}
};
BufferCacheRuntime::BufferCacheRuntime(const Device& device_, MemoryAllocator& memory_allocator_,
Scheduler& scheduler_, StagingBufferPool& staging_pool_,
GuestDescriptorQueue& guest_descriptor_queue_,
ComputePassDescriptorQueue& compute_pass_descriptor_queue,
DescriptorPool& descriptor_pool)
: device{device_}, memory_allocator{memory_allocator_}, scheduler{scheduler_},
staging_pool{staging_pool_}, guest_descriptor_queue{guest_descriptor_queue_},
quad_index_pass(device, scheduler, descriptor_pool, staging_pool,
compute_pass_descriptor_queue) {
if (device.GetDriverID() != VK_DRIVER_ID_QUALCOMM_PROPRIETARY) {
// TODO: FixMe: Uint8Pass compute shader does not build on some Qualcomm drivers.
uint8_pass = std::make_unique<Uint8Pass>(device, scheduler, descriptor_pool, staging_pool,
compute_pass_descriptor_queue);
}
quad_array_index_buffer = std::make_shared<QuadArrayIndexBuffer>(device_, memory_allocator_,
scheduler_, staging_pool_);
quad_strip_index_buffer = std::make_shared<QuadStripIndexBuffer>(device_, memory_allocator_,
scheduler_, staging_pool_);
}
StagingBufferRef BufferCacheRuntime::UploadStagingBuffer(size_t size) {
return staging_pool.Request(size, MemoryUsage::Upload);
}
StagingBufferRef BufferCacheRuntime::DownloadStagingBuffer(size_t size, bool deferred) {
return staging_pool.Request(size, MemoryUsage::Download, deferred);
}
void BufferCacheRuntime::FreeDeferredStagingBuffer(StagingBufferRef& ref) {
staging_pool.FreeDeferred(ref);
}
u64 BufferCacheRuntime::GetDeviceLocalMemory() const {
return device.GetDeviceLocalMemory();
}
u64 BufferCacheRuntime::GetDeviceMemoryUsage() const {
return device.GetDeviceMemoryUsage();
}
bool BufferCacheRuntime::CanReportMemoryUsage() const {
return device.CanReportMemoryUsage();
}
void BufferCacheRuntime::Finish() {
scheduler.Finish();
}
void BufferCacheRuntime::CopyBuffer(VkBuffer dst_buffer, VkBuffer src_buffer,
std::span<const VideoCommon::BufferCopy> copies, bool barrier) {
if (dst_buffer == VK_NULL_HANDLE || src_buffer == VK_NULL_HANDLE) {
return;
}
static constexpr VkMemoryBarrier READ_BARRIER{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT | VK_ACCESS_TRANSFER_WRITE_BIT,
};
static constexpr VkMemoryBarrier WRITE_BARRIER{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
};
// Measuring a popular game, this number never exceeds the specified size once data is warmed up
boost::container::small_vector<VkBufferCopy, 8> vk_copies(copies.size());
std::ranges::transform(copies, vk_copies.begin(), MakeBufferCopy);
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([src_buffer, dst_buffer, vk_copies, barrier](vk::CommandBuffer cmdbuf) {
if (barrier) {
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_TRANSFER_BIT, 0, READ_BARRIER);
}
cmdbuf.CopyBuffer(src_buffer, dst_buffer, vk_copies);
if (barrier) {
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT,
VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, 0, WRITE_BARRIER);
}
});
}
void BufferCacheRuntime::PreCopyBarrier() {
static constexpr VkMemoryBarrier READ_BARRIER{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT | VK_ACCESS_TRANSFER_WRITE_BIT,
};
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([](vk::CommandBuffer cmdbuf) {
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
0, READ_BARRIER);
});
}
void BufferCacheRuntime::PostCopyBarrier() {
static constexpr VkMemoryBarrier WRITE_BARRIER{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
};
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([](vk::CommandBuffer cmdbuf) {
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
0, WRITE_BARRIER);
});
}
void BufferCacheRuntime::ClearBuffer(VkBuffer dest_buffer, u32 offset, size_t size, u32 value) {
if (dest_buffer == VK_NULL_HANDLE) {
return;
}
static constexpr VkMemoryBarrier READ_BARRIER{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_MEMORY_WRITE_BIT,
.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT | VK_ACCESS_TRANSFER_WRITE_BIT,
};
static constexpr VkMemoryBarrier WRITE_BARRIER{
.sType = VK_STRUCTURE_TYPE_MEMORY_BARRIER,
.pNext = nullptr,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT | VK_ACCESS_MEMORY_WRITE_BIT,
};
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([dest_buffer, offset, size, value](vk::CommandBuffer cmdbuf) {
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
0, READ_BARRIER);
cmdbuf.FillBuffer(dest_buffer, offset, size, value);
cmdbuf.PipelineBarrier(VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
0, WRITE_BARRIER);
});
}
void BufferCacheRuntime::BindIndexBuffer(PrimitiveTopology topology, IndexFormat index_format,
u32 base_vertex, u32 num_indices, VkBuffer buffer,
u32 offset, [[maybe_unused]] u32 size) {
VkIndexType vk_index_type = MaxwellToVK::IndexFormat(index_format);
VkDeviceSize vk_offset = offset;
VkBuffer vk_buffer = buffer;
if (topology == PrimitiveTopology::Quads || topology == PrimitiveTopology::QuadStrip) {
vk_index_type = VK_INDEX_TYPE_UINT32;
std::tie(vk_buffer, vk_offset) =
quad_index_pass.Assemble(index_format, num_indices, base_vertex, buffer, offset,
topology == PrimitiveTopology::QuadStrip);
} else if (vk_index_type == VK_INDEX_TYPE_UINT8_EXT && !device.IsExtIndexTypeUint8Supported()) {
vk_index_type = VK_INDEX_TYPE_UINT16;
if (uint8_pass) {
std::tie(vk_buffer, vk_offset) = uint8_pass->Assemble(num_indices, buffer, offset);
}
}
if (vk_buffer == VK_NULL_HANDLE) {
// Vulkan doesn't support null index buffers. Replace it with our own null buffer.
ReserveNullBuffer();
vk_buffer = *null_buffer;
}
scheduler.Record([vk_buffer, vk_offset, vk_index_type](vk::CommandBuffer cmdbuf) {
cmdbuf.BindIndexBuffer(vk_buffer, vk_offset, vk_index_type);
});
}
void BufferCacheRuntime::BindQuadIndexBuffer(PrimitiveTopology topology, u32 first, u32 count) {
if (count == 0) {
ReserveNullBuffer();
scheduler.Record([this](vk::CommandBuffer cmdbuf) {
cmdbuf.BindIndexBuffer(*null_buffer, 0, VK_INDEX_TYPE_UINT32);
});
return;
}
if (topology == PrimitiveTopology::Quads) {
quad_array_index_buffer->UpdateBuffer(first + count);
quad_array_index_buffer->BindBuffer(first);
} else if (topology == PrimitiveTopology::QuadStrip) {
quad_strip_index_buffer->UpdateBuffer(first + count);
quad_strip_index_buffer->BindBuffer(first);
}
}
void BufferCacheRuntime::BindVertexBuffer(u32 index, VkBuffer buffer, u32 offset, u32 size,
u32 stride) {
if (index >= device.GetMaxVertexInputBindings()) {
return;
}
if (device.IsExtExtendedDynamicStateSupported()) {
scheduler.Record([index, buffer, offset, size, stride](vk::CommandBuffer cmdbuf) {
const VkDeviceSize vk_offset = buffer != VK_NULL_HANDLE ? offset : 0;
const VkDeviceSize vk_size = buffer != VK_NULL_HANDLE ? size : VK_WHOLE_SIZE;
const VkDeviceSize vk_stride = stride;
cmdbuf.BindVertexBuffers2EXT(index, 1, &buffer, &vk_offset, &vk_size, &vk_stride);
});
} else {
if (!device.HasNullDescriptor() && buffer == VK_NULL_HANDLE) {
ReserveNullBuffer();
buffer = *null_buffer;
offset = 0;
}
scheduler.Record([index, buffer, offset](vk::CommandBuffer cmdbuf) {
cmdbuf.BindVertexBuffer(index, buffer, offset);
});
}
}
void BufferCacheRuntime::BindVertexBuffers(VideoCommon::HostBindings<Buffer>& bindings) {
boost::container::small_vector<VkBuffer, 32> buffer_handles;
for (u32 index = 0; index < bindings.buffers.size(); ++index) {
auto handle = bindings.buffers[index]->Handle();
if (handle == VK_NULL_HANDLE) {
bindings.offsets[index] = 0;
bindings.sizes[index] = VK_WHOLE_SIZE;
if (!device.HasNullDescriptor()) {
ReserveNullBuffer();
handle = *null_buffer;
}
}
buffer_handles.push_back(handle);
}
if (device.IsExtExtendedDynamicStateSupported()) {
scheduler.Record([bindings = std::move(bindings),
buffer_handles = std::move(buffer_handles)](vk::CommandBuffer cmdbuf) {
cmdbuf.BindVertexBuffers2EXT(
bindings.min_index, bindings.max_index - bindings.min_index, buffer_handles.data(),
bindings.offsets.data(), bindings.sizes.data(), bindings.strides.data());
});
} else {
scheduler.Record([bindings = std::move(bindings),
buffer_handles = std::move(buffer_handles)](vk::CommandBuffer cmdbuf) {
cmdbuf.BindVertexBuffers(bindings.min_index, bindings.max_index - bindings.min_index,
buffer_handles.data(), bindings.offsets.data());
});
}
}
void BufferCacheRuntime::BindTransformFeedbackBuffer(u32 index, VkBuffer buffer, u32 offset,
u32 size) {
if (!device.IsExtTransformFeedbackSupported()) {
// Already logged in the rasterizer
return;
}
if (buffer == VK_NULL_HANDLE) {
// Vulkan doesn't support null transform feedback buffers.
// Replace it with our own null buffer.
ReserveNullBuffer();
buffer = *null_buffer;
offset = 0;
size = 0;
}
scheduler.Record([index, buffer, offset, size](vk::CommandBuffer cmdbuf) {
const VkDeviceSize vk_offset = offset;
const VkDeviceSize vk_size = size;
cmdbuf.BindTransformFeedbackBuffersEXT(index, 1, &buffer, &vk_offset, &vk_size);
});
}
void BufferCacheRuntime::BindTransformFeedbackBuffers(VideoCommon::HostBindings<Buffer>& bindings) {
if (!device.IsExtTransformFeedbackSupported()) {
// Already logged in the rasterizer
return;
}
boost::container::small_vector<VkBuffer, 4> buffer_handles;
for (u32 index = 0; index < bindings.buffers.size(); ++index) {
buffer_handles.push_back(bindings.buffers[index]->Handle());
}
scheduler.Record([bindings = std::move(bindings),
buffer_handles = std::move(buffer_handles)](vk::CommandBuffer cmdbuf) {
cmdbuf.BindTransformFeedbackBuffersEXT(0, static_cast<u32>(buffer_handles.size()),
buffer_handles.data(), bindings.offsets.data(),
bindings.sizes.data());
});
}
void BufferCacheRuntime::ReserveNullBuffer() {
if (null_buffer) {
return;
}
VkBufferCreateInfo create_info{
.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.size = 4,
.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT |
VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDIRECT_BUFFER_BIT,
.sharingMode = VK_SHARING_MODE_EXCLUSIVE,
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = nullptr,
};
if (device.IsExtTransformFeedbackSupported()) {
create_info.usage |= VK_BUFFER_USAGE_TRANSFORM_FEEDBACK_BUFFER_BIT_EXT;
}
null_buffer = memory_allocator.CreateBuffer(create_info, MemoryUsage::DeviceLocal);
if (device.HasDebuggingToolAttached()) {
null_buffer.SetObjectNameEXT("Null buffer");
}
scheduler.RequestOutsideRenderPassOperationContext();
scheduler.Record([buffer = *null_buffer](vk::CommandBuffer cmdbuf) {
cmdbuf.FillBuffer(buffer, 0, VK_WHOLE_SIZE, 0);
});
}
} // namespace Vulkan