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xenia-canary/src/xenia/gpu/d3d12/d3d12_command_processor.h

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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2022 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#ifndef XENIA_GPU_D3D12_D3D12_COMMAND_PROCESSOR_H_
#define XENIA_GPU_D3D12_D3D12_COMMAND_PROCESSOR_H_
#include <algorithm>
#include <atomic>
#include <deque>
#include <memory>
#include <string>
#include <unordered_map>
#include <utility>
#include "xenia/base/assert.h"
#include "xenia/gpu/command_processor.h"
#include "xenia/gpu/d3d12/d3d12_graphics_system.h"
#include "xenia/gpu/d3d12/d3d12_primitive_processor.h"
#include "xenia/gpu/d3d12/d3d12_render_target_cache.h"
#include "xenia/gpu/d3d12/d3d12_shared_memory.h"
#include "xenia/gpu/d3d12/deferred_command_list.h"
#include "xenia/gpu/d3d12/pipeline_cache.h"
#include "xenia/gpu/d3d12/texture_cache.h"
#include "xenia/gpu/draw_util.h"
#include "xenia/gpu/dxbc_shader.h"
#include "xenia/gpu/dxbc_shader_translator.h"
#include "xenia/gpu/registers.h"
#include "xenia/gpu/xenos.h"
#include "xenia/kernel/kernel_state.h"
#include "xenia/ui/d3d12/d3d12_descriptor_heap_pool.h"
#include "xenia/ui/d3d12/d3d12_provider.h"
#include "xenia/ui/d3d12/d3d12_upload_buffer_pool.h"
#include "xenia/ui/d3d12/d3d12_util.h"
namespace xe {
namespace gpu {
namespace d3d12 {
class D3D12CommandProcessor : public CommandProcessor {
public:
explicit D3D12CommandProcessor(D3D12GraphicsSystem* graphics_system,
kernel::KernelState* kernel_state);
~D3D12CommandProcessor();
void ClearCaches() override;
void InitializeShaderStorage(const std::filesystem::path& cache_root,
uint32_t title_id, bool blocking) override;
void RequestFrameTrace(const std::filesystem::path& root_path) override;
void TracePlaybackWroteMemory(uint32_t base_ptr, uint32_t length) override;
void RestoreEdramSnapshot(const void* snapshot) override;
ui::d3d12::D3D12Provider& GetD3D12Provider() const {
return *static_cast<ui::d3d12::D3D12Provider*>(
graphics_system_->provider());
}
// Returns the deferred drawing command list for the currently open
// submission.
DeferredCommandList& GetDeferredCommandList() {
assert_true(submission_open_);
return deferred_command_list_;
}
uint64_t GetCurrentSubmission() const { return submission_current_; }
uint64_t GetCompletedSubmission() const { return submission_completed_; }
// Must be called when a subsystem does something like UpdateTileMappings so
// it can be awaited in CheckSubmissionFence(submission_current_) if it was
// done after the latest ExecuteCommandLists + Signal.
void NotifyQueueOperationsDoneDirectly() {
queue_operations_done_since_submission_signal_ = true;
}
uint64_t GetCurrentFrame() const { return frame_current_; }
uint64_t GetCompletedFrame() const { return frame_completed_; }
// Returns true if the barrier has been inserted (the new state is different).
bool PushTransitionBarrier(
ID3D12Resource* resource, D3D12_RESOURCE_STATES old_state,
D3D12_RESOURCE_STATES new_state,
UINT subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES);
void PushAliasingBarrier(ID3D12Resource* old_resource,
ID3D12Resource* new_resource);
void PushUAVBarrier(ID3D12Resource* resource);
void SubmitBarriers();
// Finds or creates root signature for a pipeline.
ID3D12RootSignature* GetRootSignature(const DxbcShader* vertex_shader,
const DxbcShader* pixel_shader,
bool tessellated);
ui::d3d12::D3D12UploadBufferPool& GetConstantBufferPool() const {
return *constant_buffer_pool_;
}
D3D12_CPU_DESCRIPTOR_HANDLE GetViewBindlessHeapCPUStart() const {
assert_true(bindless_resources_used_);
return view_bindless_heap_cpu_start_;
}
D3D12_GPU_DESCRIPTOR_HANDLE GetViewBindlessHeapGPUStart() const {
assert_true(bindless_resources_used_);
return view_bindless_heap_gpu_start_;
}
// Returns UINT32_MAX if no free descriptors. If the unbounded SRV range for
// bindless resources is also used in the root signature of the draw /
// dispatch referencing this descriptor, this must only be used to allocate
// SRVs, otherwise it won't work on Nvidia Fermi (root signature creation will
// fail)!
uint32_t RequestPersistentViewBindlessDescriptor();
void ReleaseViewBindlessDescriptorImmediately(uint32_t descriptor_index);
// Request non-contiguous CBV/SRV/UAV descriptors for use only within the next
// draw or dispatch command done for internal purposes. May change the current
// descriptor heap. If the unbounded SRV range for bindless resources is also
// used in the root signature of the draw / dispatch referencing these
// descriptors, this must only be used to allocate SRVs, otherwise it won't
// work on Nvidia Fermi (root signature creation will fail)!
bool RequestOneUseSingleViewDescriptors(
uint32_t count, ui::d3d12::util::DescriptorCpuGpuHandlePair* handles_out);
// These are needed often, so they are always allocated.
enum class SystemBindlessView : uint32_t {
kSharedMemoryRawSRV,
kSharedMemoryR32UintSRV,
kSharedMemoryR32G32UintSRV,
kSharedMemoryR32G32B32A32UintSRV,
kSharedMemoryRawUAV,
kSharedMemoryR32UintUAV,
kSharedMemoryR32G32UintUAV,
kSharedMemoryR32G32B32A32UintUAV,
kEdramRawSRV,
kEdramR32UintSRV,
kEdramR32G32UintSRV,
kEdramR32G32B32A32UintSRV,
kEdramRawUAV,
kEdramR32UintUAV,
kEdramR32G32UintUAV,
kEdramR32G32B32A32UintUAV,
kGammaRampTableSRV,
kGammaRampPWLSRV,
// Beyond this point, SRVs are accessible to shaders through an unbounded
// range - no descriptors of other types bound to shaders alongside
// unbounded ranges - must be located beyond this point.
kUnboundedSRVsStart,
kNullTexture2DArray = kUnboundedSRVsStart,
kNullTexture3D,
kNullTextureCube,
kCount,
};
ui::d3d12::util::DescriptorCpuGpuHandlePair GetSystemBindlessViewHandlePair(
SystemBindlessView view) const;
ui::d3d12::util::DescriptorCpuGpuHandlePair
GetSharedMemoryUintPow2BindlessSRVHandlePair(
uint32_t element_size_bytes_pow2) const;
ui::d3d12::util::DescriptorCpuGpuHandlePair
GetSharedMemoryUintPow2BindlessUAVHandlePair(
uint32_t element_size_bytes_pow2) const;
ui::d3d12::util::DescriptorCpuGpuHandlePair
GetEdramUintPow2BindlessSRVHandlePair(uint32_t element_size_bytes_pow2) const;
ui::d3d12::util::DescriptorCpuGpuHandlePair
GetEdramUintPow2BindlessUAVHandlePair(uint32_t element_size_bytes_pow2) const;
// Returns a single temporary GPU-side buffer within a submission for tasks
// like texture untiling and resolving.
ID3D12Resource* RequestScratchGPUBuffer(uint32_t size,
D3D12_RESOURCE_STATES state);
// This must be called when done with the scratch buffer, to notify the
// command processor about the new state in case the buffer was transitioned
// by its user.
void ReleaseScratchGPUBuffer(ID3D12Resource* buffer,
D3D12_RESOURCE_STATES new_state);
// Returns a pipeline with deferred creation by its handle. May return nullptr
// if failed to create the pipeline.
ID3D12PipelineState* GetD3D12PipelineByHandle(void* handle) const {
return pipeline_cache_->GetD3D12PipelineByHandle(handle);
}
// Sets the current cached values to external ones. This is for cache
// invalidation primarily. A submission must be open.
void SetExternalPipeline(ID3D12PipelineState* pipeline);
void SetExternalGraphicsRootSignature(ID3D12RootSignature* root_signature);
void SetViewport(const D3D12_VIEWPORT& viewport);
void SetScissorRect(const D3D12_RECT& scissor_rect);
void SetStencilReference(uint32_t stencil_ref);
void SetPrimitiveTopology(D3D12_PRIMITIVE_TOPOLOGY primitive_topology);
// For the pipeline cache to call when binding layout UIDs may be reused.
void NotifyShaderBindingsLayoutUIDsInvalidated();
// Returns the text to display in the GPU backend name in the window title.
std::string GetWindowTitleText() const;
protected:
bool SetupContext() override;
void ShutdownContext() override;
void WriteRegister(uint32_t index, uint32_t value) override;
void OnGammaRamp256EntryTableValueWritten() override;
void OnGammaRampPWLValueWritten() override;
void IssueSwap(uint32_t frontbuffer_ptr, uint32_t frontbuffer_width,
uint32_t frontbuffer_height) override;
void OnPrimaryBufferEnd() override;
Shader* LoadShader(xenos::ShaderType shader_type, uint32_t guest_address,
const uint32_t* host_address,
uint32_t dword_count) override;
bool IssueDraw(xenos::PrimitiveType primitive_type, uint32_t index_count,
IndexBufferInfo* index_buffer_info,
bool major_mode_explicit) override;
bool IssueCopy() override;
void InitializeTrace() override;
private:
static constexpr uint32_t kQueueFrames = 3;
enum RootParameter : UINT {
// Keep the size of the root signature at each stage 13 dwords or less
// (better 12 or less) so it fits in user data on AMD. Descriptor tables are
// 1 dword, root descriptors are 2 dwords (however, root descriptors require
// less setup on the CPU - balance needs to be maintained).
// CBVs are set in both bindful and bindless cases via root descriptors.
// - Bindful resources - multiple root signatures depending on extra
// parameters.
// These are always present.
// Very frequently changed, especially for UI draws, and for models drawn in
// multiple parts - contains vertex and texture fetch constants.
kRootParameter_Bindful_FetchConstants = 0, // +2 dwords = 2 in all.
// Quite frequently changed (for one object drawn multiple times, for
// instance - may contain projection matrices).
kRootParameter_Bindful_FloatConstantsVertex, // +2 = 4 in VS.
// Less frequently changed (per-material).
kRootParameter_Bindful_FloatConstantsPixel, // +2 = 4 in PS.
// May stay the same across many draws.
kRootParameter_Bindful_SystemConstants, // +2 = 6 in all.
// Pretty rarely used and rarely changed - flow control constants.
kRootParameter_Bindful_BoolLoopConstants, // +2 = 8 in all.
// Never changed except for when starting a new descriptor heap - shared
// memory byte address buffer, and, if ROV is used for EDRAM, EDRAM R32_UINT
// UAV.
// SRV/UAV descriptor table.
kRootParameter_Bindful_SharedMemoryAndEdram, // +1 = 9 in all.
kRootParameter_Bindful_Count_Base,
// Extra parameter that may or may not exist:
// - Pixel textures (+1 = 10 in PS).
// - Pixel samplers (+1 = 11 in PS).
// - Vertex textures (+1 = 10 in VS).
// - Vertex samplers (+1 = 11 in VS).
kRootParameter_Bindful_Count_Max = kRootParameter_Bindful_Count_Base + 4,
// - Bindless resources - two global root signatures (for non-tessellated
// and tessellated drawing), so these are always present.
kRootParameter_Bindless_FetchConstants = 0, // +2 = 2 in all.
kRootParameter_Bindless_FloatConstantsVertex, // +2 = 4 in VS.
kRootParameter_Bindless_FloatConstantsPixel, // +2 = 4 in PS.
// Changed per-material, texture and sampler descriptor indices.
kRootParameter_Bindless_DescriptorIndicesPixel, // +2 = 6 in PS.
kRootParameter_Bindless_DescriptorIndicesVertex, // +2 = 6 in VS.
kRootParameter_Bindless_SystemConstants, // +2 = 8 in all.
kRootParameter_Bindless_BoolLoopConstants, // +2 = 10 in all.
// Unbounded sampler descriptor table - changed in case of overflow.
kRootParameter_Bindless_SamplerHeap, // +1 = 11 in all.
// Unbounded SRV/UAV descriptor table - never changed.
kRootParameter_Bindless_ViewHeap, // +1 = 12 in all.
kRootParameter_Bindless_Count,
};
struct RootBindfulExtraParameterIndices {
uint32_t textures_pixel;
uint32_t samplers_pixel;
uint32_t textures_vertex;
uint32_t samplers_vertex;
static constexpr uint32_t kUnavailable = UINT32_MAX;
};
// Gets the indices of optional root parameters. Returns the total parameter
// count.
static uint32_t GetRootBindfulExtraParameterIndices(
const DxbcShader* vertex_shader, const DxbcShader* pixel_shader,
RootBindfulExtraParameterIndices& indices_out);
// BeginSubmission and EndSubmission may be called at any time. If there's an
// open non-frame submission, BeginSubmission(true) will promote it to a
// frame. EndSubmission(true) will close the frame no matter whether the
// submission has already been closed.
// Submission (ExecuteCommandLists) boundaries are implicit full UAV and
// aliasing barriers, and also result in common resource state promotion and
// decay.
// Rechecks submission number and reclaims per-submission resources. Pass 0 as
// the submission to await to simply check status, or pass submission_current_
// to wait for all queue operations to be completed.
void CheckSubmissionFence(uint64_t await_submission);
// If is_guest_command is true, a new full frame - with full cleanup of
// resources and, if needed, starting capturing - is opened if pending (as
// opposed to simply resuming after mid-frame synchronization). Returns
// whether a submission is open currently and the device is not removed.
bool BeginSubmission(bool is_guest_command);
// If is_swap is true, a full frame is closed - with, if needed, cache
// clearing and stopping capturing. Returns whether the submission was done
// successfully, if it has failed, leaves it open.
bool EndSubmission(bool is_swap);
// Checks if ending a submission right now would not cause potentially more
// delay than it would reduce by making the GPU start working earlier - such
// as when there are unfinished graphics pipeline creation requests that would
// need to be fulfilled before actually submitting the command list.
bool CanEndSubmissionImmediately() const;
bool AwaitAllQueueOperationsCompletion() {
CheckSubmissionFence(submission_current_);
return submission_completed_ + 1 >= submission_current_;
}
// Need to await submission completion before calling.
void ClearCommandAllocatorCache();
// Request descriptors and automatically rebind the descriptor heap on the
// draw command list. Refer to D3D12DescriptorHeapPool::Request for partial /
// full update explanation. Doesn't work when bindless descriptors are used.
uint64_t RequestViewBindfulDescriptors(
uint64_t previous_heap_index, uint32_t count_for_partial_update,
uint32_t count_for_full_update,
D3D12_CPU_DESCRIPTOR_HANDLE& cpu_handle_out,
D3D12_GPU_DESCRIPTOR_HANDLE& gpu_handle_out);
uint64_t RequestSamplerBindfulDescriptors(
uint64_t previous_heap_index, uint32_t count_for_partial_update,
uint32_t count_for_full_update,
D3D12_CPU_DESCRIPTOR_HANDLE& cpu_handle_out,
D3D12_GPU_DESCRIPTOR_HANDLE& gpu_handle_out);
void UpdateFixedFunctionState(const draw_util::ViewportInfo& viewport_info,
const draw_util::Scissor& scissor,
bool primitive_polygonal,
reg::RB_DEPTHCONTROL normalized_depth_control);
void UpdateSystemConstantValues(bool shared_memory_is_uav,
bool primitive_polygonal,
uint32_t line_loop_closing_index,
xenos::Endian index_endian,
const draw_util::ViewportInfo& viewport_info,
uint32_t used_texture_mask,
reg::RB_DEPTHCONTROL normalized_depth_control,
uint32_t normalized_color_mask);
bool UpdateBindings(const D3D12Shader* vertex_shader,
const D3D12Shader* pixel_shader,
ID3D12RootSignature* root_signature);
// Returns dword count for one element for a memexport format, or 0 if it's
// not supported by the D3D12 command processor (if it's smaller that 1 dword,
// for instance).
// TODO(Triang3l): Check if any game uses memexport with formats smaller than
// 32 bits per element.
static uint32_t GetSupportedMemExportFormatSize(xenos::ColorFormat format);
// Returns a buffer for reading GPU data back to the CPU. Assuming
// synchronizing immediately after use. Always in COPY_DEST state.
ID3D12Resource* RequestReadbackBuffer(uint32_t size);
void WriteGammaRampSRV(bool is_pwl, D3D12_CPU_DESCRIPTOR_HANDLE handle) const;
bool device_removed_ = false;
bool cache_clear_requested_ = false;
HANDLE fence_completion_event_ = nullptr;
bool submission_open_ = false;
// Values of submission_fence_.
uint64_t submission_current_ = 1;
uint64_t submission_completed_ = 0;
ID3D12Fence* submission_fence_ = nullptr;
// For awaiting non-submission queue operations such as UpdateTileMappings in
// AwaitAllQueueOperationsCompletion when they're queued after the latest
// ExecuteCommandLists + Signal, thus won't be awaited by just awaiting the
// submission.
ID3D12Fence* queue_operations_since_submission_fence_ = nullptr;
uint64_t queue_operations_since_submission_fence_last_ = 0;
bool queue_operations_done_since_submission_signal_ = false;
bool frame_open_ = false;
// Guest frame index, since some transient resources can be reused across
// submissions. Values updated in the beginning of a frame.
uint64_t frame_current_ = 1;
uint64_t frame_completed_ = 0;
// Submission indices of frames that have already been submitted.
uint64_t closed_frame_submissions_[kQueueFrames] = {};
struct CommandAllocator {
ID3D12CommandAllocator* command_allocator;
uint64_t last_usage_submission;
CommandAllocator* next;
};
CommandAllocator* command_allocator_writable_first_ = nullptr;
CommandAllocator* command_allocator_writable_last_ = nullptr;
CommandAllocator* command_allocator_submitted_first_ = nullptr;
CommandAllocator* command_allocator_submitted_last_ = nullptr;
ID3D12GraphicsCommandList* command_list_ = nullptr;
ID3D12GraphicsCommandList1* command_list_1_ = nullptr;
DeferredCommandList deferred_command_list_;
// Should bindless textures and samplers be used - many times faster
// UpdateBindings than bindful (that becomes a significant bottleneck with
// bindful - mainly because of CopyDescriptorsSimple, which takes the majority
// of UpdateBindings time, and that's outside the emulator's control even).
bool bindless_resources_used_ = false;
std::unique_ptr<D3D12RenderTargetCache> render_target_cache_;
std::unique_ptr<ui::d3d12::D3D12UploadBufferPool> constant_buffer_pool_;
static constexpr uint32_t kViewBindfulHeapSize = 32768;
static_assert(kViewBindfulHeapSize <=
D3D12_MAX_SHADER_VISIBLE_DESCRIPTOR_HEAP_SIZE_TIER_1);
std::unique_ptr<ui::d3d12::D3D12DescriptorHeapPool> view_bindful_heap_pool_;
// Currently bound descriptor heap - updated by RequestViewBindfulDescriptors.
ID3D12DescriptorHeap* view_bindful_heap_current_;
// Rationale: textures have 4 KB alignment in guest memory, and there can be
// 512 MB / 4 KB in total of them at most, and multiply by 3 for different
// swizzles, signedness, and multiple host textures for one guest texture, and
// transient descriptors. Though in reality there will be a lot fewer of
// course, this is just a "safe" value. The limit is 1000000 for resource
// binding tier 2.
static constexpr uint32_t kViewBindlessHeapSize = 262144;
static_assert(kViewBindlessHeapSize <=
D3D12_MAX_SHADER_VISIBLE_DESCRIPTOR_HEAP_SIZE_TIER_2);
ID3D12DescriptorHeap* view_bindless_heap_ = nullptr;
D3D12_CPU_DESCRIPTOR_HANDLE view_bindless_heap_cpu_start_;
D3D12_GPU_DESCRIPTOR_HANDLE view_bindless_heap_gpu_start_;
uint32_t view_bindless_heap_allocated_ = 0;
std::vector<uint32_t> view_bindless_heap_free_;
// <Descriptor index, submission where requested>, sorted by the submission
// number.
std::deque<std::pair<uint32_t, uint64_t>> view_bindless_one_use_descriptors_;
// Direct3D 12 only allows shader-visible heaps with no more than 2048
// samplers (due to Nvidia addressing). However, there's also possibly a weird
// bug in the Nvidia driver (tested on 440.97 and earlier on Windows 10 1803)
// that caused the sampler with index 2047 not to work if a heap with 8 or
// less samplers also exists - in case of Xenia, it's the immediate drawer's
// sampler heap.
// FIXME(Triang3l): Investigate the issue with the sampler 2047 on Nvidia.
static constexpr uint32_t kSamplerHeapSize = 2000;
static_assert(kSamplerHeapSize <= D3D12_MAX_SHADER_VISIBLE_SAMPLER_HEAP_SIZE);
std::unique_ptr<ui::d3d12::D3D12DescriptorHeapPool>
sampler_bindful_heap_pool_;
ID3D12DescriptorHeap* sampler_bindful_heap_current_;
ID3D12DescriptorHeap* sampler_bindless_heap_current_ = nullptr;
D3D12_CPU_DESCRIPTOR_HANDLE sampler_bindless_heap_cpu_start_;
D3D12_GPU_DESCRIPTOR_HANDLE sampler_bindless_heap_gpu_start_;
// Currently the sampler heap is used only for texture cache samplers, so
// individual samplers are never freed, and using a simple linear allocator
// inside the current heap without a free list.
uint32_t sampler_bindless_heap_allocated_ = 0;
// <Heap, overflow submission number>, if total sampler count used so far
// exceeds kSamplerHeapSize, and the heap has been switched (this is not a
// totally impossible situation considering Direct3D 9 has sampler parameter
// state instead of sampler objects, and having one "unimportant" parameter
// changed may result in doubling of sampler count). Sorted by the submission
// number (so checking if the first can be reused is enough).
std::deque<std::pair<ID3D12DescriptorHeap*, uint64_t>>
sampler_bindless_heaps_overflowed_;
// TextureCache::SamplerParameters::value -> indices within the current
// bindless sampler heap.
std::unordered_map<uint32_t, uint32_t> texture_cache_bindless_sampler_map_;
// Root signatures for different descriptor counts.
std::unordered_map<uint32_t, ID3D12RootSignature*> root_signatures_bindful_;
ID3D12RootSignature* root_signature_bindless_vs_ = nullptr;
ID3D12RootSignature* root_signature_bindless_ds_ = nullptr;
std::unique_ptr<D3D12SharedMemory> shared_memory_;
std::unique_ptr<D3D12PrimitiveProcessor> primitive_processor_;
std::unique_ptr<PipelineCache> pipeline_cache_;
std::unique_ptr<TextureCache> texture_cache_;
// Bytes 0x0...0x3FF - 256-entry gamma ramp table with B10G10R10X2 data (read
// as R10G10B10X2 with swizzle).
// Bytes 0x400...0x9FF - 128-entry PWL R16G16 gamma ramp (R - base, G - delta,
// low 6 bits of each are zero, 3 elements per entry).
Microsoft::WRL::ComPtr<ID3D12Resource> gamma_ramp_buffer_;
D3D12_RESOURCE_STATES gamma_ramp_buffer_state_;
// Upload buffer for an image that is the same as gamma_ramp_, but with
// kQueueFrames array layers.
Microsoft::WRL::ComPtr<ID3D12Resource> gamma_ramp_upload_buffer_;
uint8_t* gamma_ramp_upload_buffer_mapping_ = nullptr;
bool gamma_ramp_256_entry_table_up_to_date_ = false;
bool gamma_ramp_pwl_up_to_date_ = false;
struct ApplyGammaConstants {
uint32_t size[2];
};
enum class ApplyGammaRootParameter : UINT {
kConstants,
kDestination,
kSource,
kRamp,
kCount,
};
Microsoft::WRL::ComPtr<ID3D12RootSignature> apply_gamma_root_signature_;
Microsoft::WRL::ComPtr<ID3D12PipelineState> apply_gamma_table_pipeline_;
Microsoft::WRL::ComPtr<ID3D12PipelineState>
apply_gamma_table_fxaa_luma_pipeline_;
Microsoft::WRL::ComPtr<ID3D12PipelineState> apply_gamma_pwl_pipeline_;
Microsoft::WRL::ComPtr<ID3D12PipelineState>
apply_gamma_pwl_fxaa_luma_pipeline_;
struct FxaaConstants {
uint32_t size[2];
float size_inv[2];
};
enum class FxaaRootParameter : UINT {
kConstants,
kDestination,
kSource,
kCount,
};
Microsoft::WRL::ComPtr<ID3D12RootSignature> fxaa_root_signature_;
Microsoft::WRL::ComPtr<ID3D12PipelineState> fxaa_pipeline_;
Microsoft::WRL::ComPtr<ID3D12PipelineState> fxaa_extreme_pipeline_;
// PWL gamma ramp can result in values with more precision than 10bpc. Though
// those sub-10bpc bits don't have any noticeable visual effect, so normally
// R10G10B10A2_UNORM is enough. But what's the most important is that for the
// original FXAA shader, the luma needs to be written to the alpha channel.
// For simplicity (to avoid modifying the FXAA shader and adding more texture
// fetches into it), and for the highest quality (preserving all 13 bits that
// may be generated by applying the PWL gamma ramp with an increment of 2^3,
// and also leaving some space for the result of applying fractional weights
// to calculate the luma), using R16G16B16A16_UNORM instead of
// R10G10B10X2_UNORM with a separate alpha texture.
static constexpr DXGI_FORMAT kFxaaSourceTextureFormat =
DXGI_FORMAT_R16G16B16A16_UNORM;
// Kept in NON_PIXEL_SHADER_RESOURCE state.
Microsoft::WRL::ComPtr<ID3D12Resource> fxaa_source_texture_;
uint64_t fxaa_source_texture_submission_ = 0;
// Unsubmitted barrier batch.
std::vector<D3D12_RESOURCE_BARRIER> barriers_;
// <Resource, submission where requested>, sorted by the submission number.
std::deque<std::pair<uint64_t, ID3D12Resource*>> resources_for_deletion_;
static constexpr uint32_t kScratchBufferSizeIncrement = 16 * 1024 * 1024;
ID3D12Resource* scratch_buffer_ = nullptr;
uint32_t scratch_buffer_size_ = 0;
D3D12_RESOURCE_STATES scratch_buffer_state_;
bool scratch_buffer_used_ = false;
static constexpr uint32_t kReadbackBufferSizeIncrement = 16 * 1024 * 1024;
ID3D12Resource* readback_buffer_ = nullptr;
uint32_t readback_buffer_size_ = 0;
std::atomic<bool> pix_capture_requested_ = false;
bool pix_capturing_;
// The current fixed-function drawing state.
D3D12_VIEWPORT ff_viewport_;
D3D12_RECT ff_scissor_;
float ff_blend_factor_[4];
uint32_t ff_stencil_ref_;
bool ff_viewport_update_needed_;
bool ff_scissor_update_needed_;
bool ff_blend_factor_update_needed_;
bool ff_stencil_ref_update_needed_;
// Currently bound pipeline, either a graphics pipeline from the pipeline
// cache (with potentially deferred creation - current_external_pipeline_ is
// nullptr in this case) or a non-Xenos graphics or compute pipeline
// (current_guest_pipeline_ is nullptr in this case).
void* current_guest_pipeline_;
ID3D12PipelineState* current_external_pipeline_;
// Currently bound graphics root signature.
ID3D12RootSignature* current_graphics_root_signature_;
// Extra parameters which may or may not be present.
RootBindfulExtraParameterIndices current_graphics_root_bindful_extras_;
// Whether root parameters are up to date - reset if a new signature is bound.
uint32_t current_graphics_root_up_to_date_;
// System shader constants.
DxbcShaderTranslator::SystemConstants system_constants_;
// Float constant usage masks of the last draw call.
uint64_t current_float_constant_map_vertex_[4];
uint64_t current_float_constant_map_pixel_[4];
// Constant buffer bindings.
struct ConstantBufferBinding {
D3D12_GPU_VIRTUAL_ADDRESS address;
bool up_to_date;
};
ConstantBufferBinding cbuffer_binding_system_;
ConstantBufferBinding cbuffer_binding_float_vertex_;
ConstantBufferBinding cbuffer_binding_float_pixel_;
ConstantBufferBinding cbuffer_binding_bool_loop_;
ConstantBufferBinding cbuffer_binding_fetch_;
ConstantBufferBinding cbuffer_binding_descriptor_indices_vertex_;
ConstantBufferBinding cbuffer_binding_descriptor_indices_pixel_;
// Pages with the descriptors currently used for handling Xenos draw calls.
uint64_t draw_view_bindful_heap_index_;
uint64_t draw_sampler_bindful_heap_index_;
// Whether the last used texture sampler bindings have been written to the
// current view descriptor heap.
bool bindful_textures_written_vertex_;
bool bindful_textures_written_pixel_;
bool bindful_samplers_written_vertex_;
bool bindful_samplers_written_pixel_;
// Layout UIDs and last texture and sampler bindings written to the current
// descriptor heaps (for bindful) or descriptor index constant buffer (for
// bindless) with the last used descriptor layout. Valid only when:
// - For bindful, when bindful_#_written_#_ is true.
// - For bindless, when cbuffer_binding_descriptor_indices_#_.up_to_date is
// true.
size_t current_texture_layout_uid_vertex_;
size_t current_texture_layout_uid_pixel_;
size_t current_sampler_layout_uid_vertex_;
size_t current_sampler_layout_uid_pixel_;
// Size of these should be ignored when checking whether these are up to date,
// layout UID should be checked first (they will be different for different
// binding counts).
std::vector<TextureCache::TextureSRVKey> current_texture_srv_keys_vertex_;
std::vector<TextureCache::TextureSRVKey> current_texture_srv_keys_pixel_;
std::vector<TextureCache::SamplerParameters> current_samplers_vertex_;
std::vector<TextureCache::SamplerParameters> current_samplers_pixel_;
std::vector<uint32_t> current_sampler_bindless_indices_vertex_;
std::vector<uint32_t> current_sampler_bindless_indices_pixel_;
// Latest bindful descriptor handles used for handling Xenos draw calls.
D3D12_GPU_DESCRIPTOR_HANDLE gpu_handle_shared_memory_and_edram_;
D3D12_GPU_DESCRIPTOR_HANDLE gpu_handle_textures_vertex_;
D3D12_GPU_DESCRIPTOR_HANDLE gpu_handle_textures_pixel_;
D3D12_GPU_DESCRIPTOR_HANDLE gpu_handle_samplers_vertex_;
D3D12_GPU_DESCRIPTOR_HANDLE gpu_handle_samplers_pixel_;
// Current primitive topology.
D3D_PRIMITIVE_TOPOLOGY primitive_topology_;
};
} // namespace d3d12
} // namespace gpu
} // namespace xe
#endif // XENIA_GPU_D3D12_D3D12_COMMAND_PROCESSOR_H_
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