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