370 lines
14 KiB
C++
370 lines
14 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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#ifndef XENIA_GPU_VULKAN_DEFERRED_COMMAND_BUFFER_H_
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#define 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/ui/vulkan/vulkan_provider.h"
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namespace xe {
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namespace gpu {
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namespace vulkan {
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class VulkanCommandProcessor;
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class DeferredCommandBuffer {
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public:
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DeferredCommandBuffer(const VulkanCommandProcessor& command_processor,
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size_t initial_size_bytes = 1024 * 1024);
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void Reset();
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void Execute(VkCommandBuffer command_buffer);
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// render_pass_begin->pNext of all barriers must be null.
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void CmdVkBeginRenderPass(const VkRenderPassBeginInfo* render_pass_begin,
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VkSubpassContents contents) {
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assert_null(render_pass_begin->pNext);
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size_t arguments_size = sizeof(ArgsVkBeginRenderPass);
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uint32_t clear_value_count = render_pass_begin->clearValueCount;
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size_t clear_values_offset = 0;
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if (clear_value_count) {
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arguments_size = xe::align(arguments_size, alignof(VkClearValue));
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clear_values_offset = arguments_size;
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arguments_size += sizeof(VkClearValue) * clear_value_count;
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}
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uint8_t* args_ptr = reinterpret_cast<uint8_t*>(
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WriteCommand(Command::kVkBeginRenderPass, arguments_size));
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auto& args = *reinterpret_cast<ArgsVkBeginRenderPass*>(args_ptr);
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args.render_pass = render_pass_begin->renderPass;
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args.framebuffer = render_pass_begin->framebuffer;
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args.render_area = render_pass_begin->renderArea;
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args.clear_value_count = clear_value_count;
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args.contents = contents;
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if (clear_value_count) {
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std::memcpy(args_ptr + clear_values_offset,
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render_pass_begin->pClearValues,
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sizeof(VkClearValue) * clear_value_count);
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}
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}
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void CmdVkBindDescriptorSets(VkPipelineBindPoint pipeline_bind_point,
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VkPipelineLayout layout, uint32_t first_set,
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uint32_t descriptor_set_count,
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const VkDescriptorSet* descriptor_sets,
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uint32_t dynamic_offset_count,
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const uint32_t* dynamic_offsets) {
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size_t arguments_size =
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xe::align(sizeof(ArgsVkBindDescriptorSets), alignof(VkDescriptorSet));
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size_t descriptor_sets_offset = arguments_size;
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arguments_size += sizeof(VkDescriptorSet) * descriptor_set_count;
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size_t dynamic_offsets_offset = 0;
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if (dynamic_offset_count) {
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arguments_size = xe::align(arguments_size, alignof(uint32_t));
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dynamic_offsets_offset = arguments_size;
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arguments_size += sizeof(uint32_t) * dynamic_offset_count;
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}
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uint8_t* args_ptr = reinterpret_cast<uint8_t*>(
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WriteCommand(Command::kVkBindDescriptorSets, arguments_size));
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auto& args = *reinterpret_cast<ArgsVkBindDescriptorSets*>(args_ptr);
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args.pipeline_bind_point = pipeline_bind_point;
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args.layout = layout;
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args.first_set = first_set;
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args.descriptor_set_count = descriptor_set_count;
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args.dynamic_offset_count = dynamic_offset_count;
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std::memcpy(args_ptr + descriptor_sets_offset, descriptor_sets,
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sizeof(VkDescriptorSet) * descriptor_set_count);
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if (dynamic_offset_count) {
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std::memcpy(args_ptr + dynamic_offsets_offset, dynamic_offsets,
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sizeof(uint32_t) * dynamic_offset_count);
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}
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}
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void CmdVkBindIndexBuffer(VkBuffer buffer, VkDeviceSize offset,
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VkIndexType index_type) {
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auto& args = *reinterpret_cast<ArgsVkBindIndexBuffer*>(WriteCommand(
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Command::kVkBindIndexBuffer, sizeof(ArgsVkBindIndexBuffer)));
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args.buffer = buffer;
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args.offset = offset;
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args.index_type = index_type;
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}
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void CmdVkBindPipeline(VkPipelineBindPoint pipeline_bind_point,
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VkPipeline pipeline) {
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auto& args = *reinterpret_cast<ArgsVkBindPipeline*>(
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WriteCommand(Command::kVkBindPipeline, sizeof(ArgsVkBindPipeline)));
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args.pipeline_bind_point = pipeline_bind_point;
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args.pipeline = pipeline;
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}
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VkBufferCopy* CmdCopyBufferEmplace(VkBuffer src_buffer, VkBuffer dst_buffer,
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uint32_t region_count) {
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const size_t header_size =
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xe::align(sizeof(ArgsVkCopyBuffer), alignof(VkBufferCopy));
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uint8_t* args_ptr = reinterpret_cast<uint8_t*>(
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WriteCommand(Command::kVkCopyBuffer,
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header_size + sizeof(VkBufferCopy) * region_count));
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auto& args = *reinterpret_cast<ArgsVkCopyBuffer*>(args_ptr);
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args.src_buffer = src_buffer;
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args.dst_buffer = dst_buffer;
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args.region_count = region_count;
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return reinterpret_cast<VkBufferCopy*>(args_ptr + header_size);
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}
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void CmdVkCopyBuffer(VkBuffer src_buffer, VkBuffer dst_buffer,
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uint32_t region_count, const VkBufferCopy* regions) {
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std::memcpy(CmdCopyBufferEmplace(src_buffer, dst_buffer, region_count),
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regions, sizeof(VkBufferCopy) * region_count);
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}
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void CmdVkDraw(uint32_t vertex_count, uint32_t instance_count,
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uint32_t first_vertex, uint32_t first_instance) {
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auto& args = *reinterpret_cast<ArgsVkDraw*>(
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WriteCommand(Command::kVkDraw, sizeof(ArgsVkDraw)));
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args.vertex_count = vertex_count;
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args.instance_count = instance_count;
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args.first_vertex = first_vertex;
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args.first_instance = first_instance;
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}
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void CmdVkDrawIndexed(uint32_t index_count, uint32_t instance_count,
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uint32_t first_index, int32_t vertex_offset,
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uint32_t first_instance) {
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auto& args = *reinterpret_cast<ArgsVkDrawIndexed*>(
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WriteCommand(Command::kVkDrawIndexed, sizeof(ArgsVkDrawIndexed)));
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args.index_count = index_count;
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args.instance_count = instance_count;
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args.first_index = first_index;
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args.vertex_offset = vertex_offset;
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args.first_instance = first_instance;
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}
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void CmdVkEndRenderPass() { WriteCommand(Command::kVkEndRenderPass, 0); }
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// pNext of all barriers must be null.
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void CmdVkPipelineBarrier(VkPipelineStageFlags src_stage_mask,
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VkPipelineStageFlags dst_stage_mask,
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VkDependencyFlags dependency_flags,
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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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void CmdVkSetBlendConstants(const float* blend_constants) {
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auto& args = *reinterpret_cast<ArgsVkSetBlendConstants*>(WriteCommand(
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Command::kVkSetBlendConstants, sizeof(ArgsVkSetBlendConstants)));
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std::memcpy(args.blend_constants, blend_constants, sizeof(float) * 4);
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}
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void CmdVkSetDepthBias(float depth_bias_constant_factor,
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float depth_bias_clamp,
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float depth_bias_slope_factor) {
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auto& args = *reinterpret_cast<ArgsVkSetDepthBias*>(
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WriteCommand(Command::kVkSetDepthBias, sizeof(ArgsVkSetDepthBias)));
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args.depth_bias_constant_factor = depth_bias_constant_factor;
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args.depth_bias_clamp = depth_bias_clamp;
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args.depth_bias_slope_factor = depth_bias_slope_factor;
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}
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void CmdVkSetScissor(uint32_t first_scissor, uint32_t scissor_count,
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const VkRect2D* scissors) {
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const size_t header_size =
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xe::align(sizeof(ArgsVkSetScissor), alignof(VkRect2D));
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uint8_t* args_ptr = reinterpret_cast<uint8_t*>(
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WriteCommand(Command::kVkSetScissor,
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header_size + sizeof(VkRect2D) * scissor_count));
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auto& args = *reinterpret_cast<ArgsVkSetScissor*>(args_ptr);
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args.first_scissor = first_scissor;
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args.scissor_count = scissor_count;
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std::memcpy(args_ptr + header_size, scissors,
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sizeof(VkRect2D) * scissor_count);
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}
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void CmdVkSetStencilCompareMask(VkStencilFaceFlags face_mask,
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uint32_t compare_mask) {
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auto& args = *reinterpret_cast<ArgsSetStencilMaskReference*>(
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WriteCommand(Command::kVkSetStencilCompareMask,
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sizeof(ArgsSetStencilMaskReference)));
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args.face_mask = face_mask;
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args.mask_reference = compare_mask;
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}
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void CmdVkSetStencilReference(VkStencilFaceFlags face_mask,
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uint32_t reference) {
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auto& args = *reinterpret_cast<ArgsSetStencilMaskReference*>(WriteCommand(
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Command::kVkSetStencilReference, sizeof(ArgsSetStencilMaskReference)));
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args.face_mask = face_mask;
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args.mask_reference = reference;
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}
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void CmdVkSetStencilWriteMask(VkStencilFaceFlags face_mask,
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uint32_t write_mask) {
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auto& args = *reinterpret_cast<ArgsSetStencilMaskReference*>(WriteCommand(
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Command::kVkSetStencilWriteMask, sizeof(ArgsSetStencilMaskReference)));
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args.face_mask = face_mask;
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args.mask_reference = write_mask;
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}
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void CmdVkSetViewport(uint32_t first_viewport, uint32_t viewport_count,
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const VkViewport* viewports) {
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const size_t header_size =
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xe::align(sizeof(ArgsVkSetViewport), alignof(VkViewport));
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uint8_t* args_ptr = reinterpret_cast<uint8_t*>(
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WriteCommand(Command::kVkSetViewport,
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header_size + sizeof(VkViewport) * viewport_count));
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auto& args = *reinterpret_cast<ArgsVkSetViewport*>(args_ptr);
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args.first_viewport = first_viewport;
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args.viewport_count = viewport_count;
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std::memcpy(args_ptr + header_size, viewports,
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sizeof(VkViewport) * viewport_count);
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}
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private:
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enum class Command {
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kVkBeginRenderPass,
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kVkBindDescriptorSets,
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kVkBindIndexBuffer,
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kVkBindPipeline,
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kVkCopyBuffer,
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kVkDraw,
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kVkDrawIndexed,
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kVkEndRenderPass,
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kVkPipelineBarrier,
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kVkSetBlendConstants,
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kVkSetDepthBias,
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kVkSetScissor,
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kVkSetStencilCompareMask,
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kVkSetStencilReference,
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kVkSetStencilWriteMask,
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kVkSetViewport,
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};
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struct CommandHeader {
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Command command;
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uint32_t arguments_size_elements;
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};
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static constexpr size_t kCommandHeaderSizeElements =
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(sizeof(CommandHeader) + sizeof(uintmax_t) - 1) / sizeof(uintmax_t);
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struct ArgsVkBeginRenderPass {
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VkRenderPass render_pass;
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VkFramebuffer framebuffer;
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VkRect2D render_area;
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uint32_t clear_value_count;
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VkSubpassContents contents;
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// Followed by aligned optional VkClearValue[].
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static_assert(alignof(VkClearValue) <= alignof(uintmax_t));
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};
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struct ArgsVkBindDescriptorSets {
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VkPipelineBindPoint pipeline_bind_point;
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VkPipelineLayout layout;
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uint32_t first_set;
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uint32_t descriptor_set_count;
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uint32_t dynamic_offset_count;
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// Followed by aligned VkDescriptorSet[], optional uint32_t[].
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static_assert(alignof(VkDescriptorSet) <= alignof(uintmax_t));
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};
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struct ArgsVkBindIndexBuffer {
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VkBuffer buffer;
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VkDeviceSize offset;
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VkIndexType index_type;
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};
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struct ArgsVkBindPipeline {
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VkPipelineBindPoint pipeline_bind_point;
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VkPipeline pipeline;
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};
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struct ArgsVkCopyBuffer {
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VkBuffer src_buffer;
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VkBuffer dst_buffer;
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uint32_t region_count;
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// Followed by aligned VkBufferCopy[].
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static_assert(alignof(VkBufferCopy) <= alignof(uintmax_t));
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};
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struct ArgsVkDraw {
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uint32_t vertex_count;
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uint32_t instance_count;
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uint32_t first_vertex;
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uint32_t first_instance;
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};
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struct ArgsVkDrawIndexed {
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uint32_t index_count;
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uint32_t instance_count;
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uint32_t first_index;
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int32_t vertex_offset;
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uint32_t first_instance;
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};
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struct ArgsVkPipelineBarrier {
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VkPipelineStageFlags src_stage_mask;
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VkPipelineStageFlags dst_stage_mask;
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VkDependencyFlags dependency_flags;
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uint32_t memory_barrier_count;
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uint32_t buffer_memory_barrier_count;
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uint32_t image_memory_barrier_count;
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// Followed by aligned optional VkMemoryBarrier[],
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// optional VkBufferMemoryBarrier[], optional VkImageMemoryBarrier[].
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static_assert(alignof(VkMemoryBarrier) <= alignof(uintmax_t));
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static_assert(alignof(VkBufferMemoryBarrier) <= alignof(uintmax_t));
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static_assert(alignof(VkImageMemoryBarrier) <= alignof(uintmax_t));
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};
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struct ArgsVkSetBlendConstants {
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float blend_constants[4];
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};
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struct ArgsVkSetDepthBias {
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float depth_bias_constant_factor;
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float depth_bias_clamp;
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float depth_bias_slope_factor;
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};
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struct ArgsVkSetScissor {
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uint32_t first_scissor;
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uint32_t scissor_count;
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// Followed by aligned VkRect2D[].
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static_assert(alignof(VkRect2D) <= alignof(uintmax_t));
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};
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struct ArgsSetStencilMaskReference {
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VkStencilFaceFlags face_mask;
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uint32_t mask_reference;
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};
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struct ArgsVkSetViewport {
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uint32_t first_viewport;
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uint32_t viewport_count;
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// Followed by aligned VkViewport[].
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static_assert(alignof(VkViewport) <= alignof(uintmax_t));
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};
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void* WriteCommand(Command command, size_t arguments_size_bytes);
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const VulkanCommandProcessor& command_processor_;
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// uintmax_t to ensure uint64_t and pointer alignment of all structures.
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std::vector<uintmax_t> command_stream_;
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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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#endif // XENIA_GPU_VULKAN_DEFERRED_COMMAND_BUFFER_H_
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