Files
Xenia-Canary/src/xenia/gpu/vulkan/deferred_command_buffer.cc
2020-10-04 22:08:30 +03:00

209 lines
8.5 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2020 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include "xenia/gpu/vulkan/deferred_command_buffer.h"
#include <cstddef>
#include <cstdint>
#include <cstring>
#include "xenia/base/assert.h"
#include "xenia/base/math.h"
#include "xenia/base/profiling.h"
#include "xenia/gpu/vulkan/vulkan_command_processor.h"
namespace xe {
namespace gpu {
namespace vulkan {
DeferredCommandBuffer::DeferredCommandBuffer(
const VulkanCommandProcessor& command_processor, size_t initial_size)
: command_processor_(command_processor) {
command_stream_.reserve(initial_size / sizeof(uintmax_t));
}
void DeferredCommandBuffer::Reset() { command_stream_.clear(); }
void DeferredCommandBuffer::Execute(VkCommandBuffer command_buffer) {
#if XE_UI_VULKAN_FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // XE_UI_VULKAN_FINE_GRAINED_DRAW_SCOPES
const ui::vulkan::VulkanProvider::DeviceFunctions& dfn =
command_processor_.GetVulkanContext().GetVulkanProvider().dfn();
const uintmax_t* stream = command_stream_.data();
size_t stream_remaining = command_stream_.size();
while (stream_remaining) {
const CommandHeader& header =
*reinterpret_cast<const CommandHeader*>(stream);
stream += kCommandHeaderSizeElements;
stream_remaining -= kCommandHeaderSizeElements;
switch (header.command) {
case Command::kVkBindIndexBuffer: {
auto& args = *reinterpret_cast<const ArgsVkBindIndexBuffer*>(stream);
dfn.vkCmdBindIndexBuffer(command_buffer, args.buffer, args.offset,
args.index_type);
} break;
case Command::kVkCopyBuffer: {
auto& args = *reinterpret_cast<const ArgsVkCopyBuffer*>(stream);
static_assert(alignof(VkBufferCopy) <= alignof(uintmax_t));
dfn.vkCmdCopyBuffer(
command_buffer, args.src_buffer, args.dst_buffer, args.region_count,
reinterpret_cast<const VkBufferCopy*>(
reinterpret_cast<const uint8_t*>(stream) +
xe::align(sizeof(ArgsVkCopyBuffer), alignof(VkBufferCopy))));
} break;
case Command::kVkPipelineBarrier: {
auto& args = *reinterpret_cast<const ArgsVkPipelineBarrier*>(stream);
size_t barrier_offset_bytes = sizeof(ArgsVkPipelineBarrier);
const VkMemoryBarrier* memory_barriers;
if (args.memory_barrier_count) {
static_assert(alignof(VkMemoryBarrier) <= alignof(uintmax_t));
barrier_offset_bytes =
xe::align(barrier_offset_bytes, alignof(VkMemoryBarrier));
memory_barriers = reinterpret_cast<const VkMemoryBarrier*>(
reinterpret_cast<const uint8_t*>(stream) + barrier_offset_bytes);
barrier_offset_bytes +=
sizeof(VkMemoryBarrier) * args.memory_barrier_count;
} else {
memory_barriers = nullptr;
}
const VkBufferMemoryBarrier* buffer_memory_barriers;
if (args.buffer_memory_barrier_count) {
static_assert(alignof(VkBufferMemoryBarrier) <= alignof(uintmax_t));
barrier_offset_bytes =
xe::align(barrier_offset_bytes, alignof(VkBufferMemoryBarrier));
buffer_memory_barriers =
reinterpret_cast<const VkBufferMemoryBarrier*>(
reinterpret_cast<const uint8_t*>(stream) +
barrier_offset_bytes);
barrier_offset_bytes +=
sizeof(VkBufferMemoryBarrier) * args.buffer_memory_barrier_count;
} else {
buffer_memory_barriers = nullptr;
}
const VkImageMemoryBarrier* image_memory_barriers;
if (args.image_memory_barrier_count) {
static_assert(alignof(VkImageMemoryBarrier) <= alignof(uintmax_t));
barrier_offset_bytes =
xe::align(barrier_offset_bytes, alignof(VkImageMemoryBarrier));
image_memory_barriers = reinterpret_cast<const VkImageMemoryBarrier*>(
reinterpret_cast<const uint8_t*>(stream) + barrier_offset_bytes);
barrier_offset_bytes +=
sizeof(VkImageMemoryBarrier) * args.image_memory_barrier_count;
} else {
image_memory_barriers = nullptr;
}
dfn.vkCmdPipelineBarrier(
command_buffer, args.src_stage_mask, args.dst_stage_mask,
args.dependency_flags, args.memory_barrier_count, memory_barriers,
args.buffer_memory_barrier_count, buffer_memory_barriers,
args.image_memory_barrier_count, image_memory_barriers);
} break;
default:
assert_unhandled_case(header.command);
break;
}
stream += header.arguments_size_elements;
stream_remaining -= header.arguments_size_elements;
}
}
void DeferredCommandBuffer::CmdVkPipelineBarrier(
VkPipelineStageFlags src_stage_mask, VkPipelineStageFlags dst_stage_mask,
VkDependencyFlags dependency_flags, uint32_t memory_barrier_count,
const VkMemoryBarrier* memory_barriers,
uint32_t buffer_memory_barrier_count,
const VkBufferMemoryBarrier* buffer_memory_barriers,
uint32_t image_memory_barrier_count,
const VkImageMemoryBarrier* image_memory_barriers) {
size_t arguments_size = sizeof(ArgsVkPipelineBarrier);
size_t memory_barriers_offset;
if (memory_barrier_count) {
static_assert(alignof(VkMemoryBarrier) <= alignof(uintmax_t));
arguments_size = xe::align(arguments_size, alignof(VkMemoryBarrier));
memory_barriers_offset = arguments_size;
arguments_size += sizeof(VkMemoryBarrier) * memory_barrier_count;
} else {
memory_barriers_offset = 0;
}
size_t buffer_memory_barriers_offset;
if (buffer_memory_barrier_count) {
static_assert(alignof(VkBufferMemoryBarrier) <= alignof(uintmax_t));
arguments_size = xe::align(arguments_size, alignof(VkBufferMemoryBarrier));
buffer_memory_barriers_offset = arguments_size;
arguments_size +=
sizeof(VkBufferMemoryBarrier) * buffer_memory_barrier_count;
} else {
buffer_memory_barriers_offset = 0;
}
size_t image_memory_barriers_offset;
if (image_memory_barrier_count) {
static_assert(alignof(VkImageMemoryBarrier) <= alignof(uintmax_t));
arguments_size = xe::align(arguments_size, alignof(VkImageMemoryBarrier));
image_memory_barriers_offset = arguments_size;
arguments_size += sizeof(VkImageMemoryBarrier) * image_memory_barrier_count;
} else {
image_memory_barriers_offset = 0;
}
uint8_t* args_ptr = reinterpret_cast<uint8_t*>(
WriteCommand(Command::kVkPipelineBarrier, arguments_size));
auto& args = *reinterpret_cast<ArgsVkPipelineBarrier*>(args_ptr);
args.src_stage_mask = src_stage_mask;
args.dst_stage_mask = dst_stage_mask;
args.dependency_flags = dependency_flags;
args.memory_barrier_count = memory_barrier_count;
args.buffer_memory_barrier_count = buffer_memory_barrier_count;
args.image_memory_barrier_count = image_memory_barrier_count;
if (memory_barrier_count) {
std::memcpy(args_ptr + memory_barriers_offset, memory_barriers,
sizeof(VkMemoryBarrier) * memory_barrier_count);
}
if (buffer_memory_barrier_count) {
std::memcpy(args_ptr + buffer_memory_barriers_offset,
buffer_memory_barriers,
sizeof(VkBufferMemoryBarrier) * buffer_memory_barrier_count);
}
if (image_memory_barrier_count) {
std::memcpy(args_ptr + image_memory_barriers_offset, image_memory_barriers,
sizeof(VkImageMemoryBarrier) * image_memory_barrier_count);
}
}
void* DeferredCommandBuffer::WriteCommand(Command command,
size_t arguments_size_bytes) {
size_t arguments_size_elements =
(arguments_size_bytes + sizeof(uintmax_t) - 1) / sizeof(uintmax_t);
size_t offset = command_stream_.size();
command_stream_.resize(offset + kCommandHeaderSizeElements +
arguments_size_elements);
CommandHeader& header =
*reinterpret_cast<CommandHeader*>(command_stream_.data() + offset);
header.command = command;
header.arguments_size_elements = uint32_t(arguments_size_elements);
return command_stream_.data() + (offset + kCommandHeaderSizeElements);
}
} // namespace vulkan
} // namespace gpu
} // namespace xe