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xenia/src/xenia/gpu/d3d12/d3d12_command_processor.cc

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/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2018 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include "xenia/gpu/d3d12/d3d12_command_processor.h"
#include <gflags/gflags.h>
#include <algorithm>
#include <cstring>
#include "xenia/base/assert.h"
#include "xenia/base/logging.h"
#include "xenia/base/math.h"
#include "xenia/base/profiling.h"
#include "xenia/gpu/d3d12/d3d12_graphics_system.h"
#include "xenia/gpu/d3d12/d3d12_shader.h"
#include "xenia/gpu/xenos.h"
#include "xenia/ui/d3d12/d3d12_util.h"
// Some games (such as Banjo-Kazooie) are not aware of the half-pixel offset and
// may be blurry or have texture sampling artifacts, in this case the user may
// disable half-pixel offset by setting this to false.
DEFINE_bool(d3d12_half_pixel_offset, true,
"Enable half-pixel vertex and VPOS offset");
// Disabled because the current positions look worse than sampling at centers.
DEFINE_bool(d3d12_programmable_sample_positions, false,
"Enable custom SSAA sample positions where available");
namespace xe {
namespace gpu {
namespace d3d12 {
D3D12CommandProcessor::D3D12CommandProcessor(
D3D12GraphicsSystem* graphics_system, kernel::KernelState* kernel_state)
: CommandProcessor(graphics_system, kernel_state) {}
D3D12CommandProcessor::~D3D12CommandProcessor() = default;
void D3D12CommandProcessor::ClearCaches() {
CommandProcessor::ClearCaches();
cache_clear_requested_ = true;
}
ID3D12GraphicsCommandList* D3D12CommandProcessor::GetCurrentCommandList()
const {
assert_true(current_queue_frame_ != UINT_MAX);
if (current_queue_frame_ == UINT_MAX) {
return nullptr;
}
return command_lists_[current_queue_frame_]->GetCommandList();
}
ID3D12GraphicsCommandList1* D3D12CommandProcessor::GetCurrentCommandList1()
const {
assert_true(current_queue_frame_ != UINT_MAX);
if (current_queue_frame_ == UINT_MAX) {
return nullptr;
}
return command_lists_[current_queue_frame_]->GetCommandList1();
}
uint32_t D3D12CommandProcessor::GetCurrentColorMask(
const D3D12Shader* pixel_shader) const {
if (pixel_shader == nullptr) {
return 0;
}
auto& regs = *register_file_;
uint32_t color_mask = regs[XE_GPU_REG_RB_COLOR_MASK].u32 & 0xFFFF;
for (uint32_t i = 0; i < 4; ++i) {
if (!pixel_shader->writes_color_target(i)) {
color_mask &= ~(0xF << (i * 4));
}
}
return color_mask;
}
void D3D12CommandProcessor::PushTransitionBarrier(
ID3D12Resource* resource, D3D12_RESOURCE_STATES old_state,
D3D12_RESOURCE_STATES new_state, UINT subresource) {
if (old_state == new_state) {
return;
}
D3D12_RESOURCE_BARRIER barrier;
barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
barrier.Transition.pResource = resource;
barrier.Transition.Subresource = subresource;
barrier.Transition.StateBefore = old_state;
barrier.Transition.StateAfter = new_state;
barriers_.push_back(barrier);
}
void D3D12CommandProcessor::PushAliasingBarrier(ID3D12Resource* old_resource,
ID3D12Resource* new_resource) {
D3D12_RESOURCE_BARRIER barrier;
barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_ALIASING;
barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
barrier.Aliasing.pResourceBefore = old_resource;
barrier.Aliasing.pResourceAfter = new_resource;
barriers_.push_back(barrier);
}
void D3D12CommandProcessor::PushUAVBarrier(ID3D12Resource* resource) {
D3D12_RESOURCE_BARRIER barrier;
barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_UAV;
barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
barrier.UAV.pResource = resource;
barriers_.push_back(barrier);
}
void D3D12CommandProcessor::SubmitBarriers() {
UINT barrier_count = UINT(barriers_.size());
if (barrier_count != 0) {
GetCurrentCommandList()->ResourceBarrier(barrier_count, barriers_.data());
barriers_.clear();
}
}
ID3D12RootSignature* D3D12CommandProcessor::GetRootSignature(
const D3D12Shader* vertex_shader, const D3D12Shader* pixel_shader) {
assert_true(vertex_shader->is_translated());
assert_true(pixel_shader == nullptr || pixel_shader->is_translated());
uint32_t pixel_texture_count = 0, pixel_sampler_count = 0;
if (pixel_shader != nullptr) {
pixel_shader->GetTextureSRVs(pixel_texture_count);
pixel_shader->GetSamplerBindings(pixel_sampler_count);
}
uint32_t vertex_texture_count, vertex_sampler_count;
vertex_shader->GetTextureSRVs(vertex_texture_count);
vertex_shader->GetSamplerBindings(vertex_sampler_count);
uint32_t index = 0;
uint32_t index_offset = 0;
index |= pixel_texture_count << index_offset;
index_offset += D3D12Shader::kMaxTextureSRVIndexBits;
index |= pixel_sampler_count << index_offset;
index_offset += D3D12Shader::kMaxSamplerBindingIndexBits;
index |= vertex_texture_count << index_offset;
index_offset += D3D12Shader::kMaxTextureSRVIndexBits;
index |= vertex_sampler_count << index_offset;
index_offset += D3D12Shader::kMaxSamplerBindingIndexBits;
assert_true(index_offset <= 32);
// Try an existing root signature.
auto it = root_signatures_.find(index);
if (it != root_signatures_.end()) {
return it->second;
}
// Create a new one.
D3D12_ROOT_SIGNATURE_DESC desc;
D3D12_ROOT_PARAMETER parameters[kRootParameter_Count_Max];
D3D12_DESCRIPTOR_RANGE ranges[kRootParameter_Count_Max];
desc.NumParameters = kRootParameter_Count_Base;
desc.pParameters = parameters;
desc.NumStaticSamplers = 0;
desc.pStaticSamplers = nullptr;
desc.Flags = D3D12_ROOT_SIGNATURE_FLAG_NONE;
// Base parameters.
// Fetch constants.
{
auto& parameter = parameters[kRootParameter_FetchConstants];
auto& range = ranges[kRootParameter_FetchConstants];
parameter.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameter.DescriptorTable.NumDescriptorRanges = 1;
parameter.DescriptorTable.pDescriptorRanges = &range;
parameter.ShaderVisibility = D3D12_SHADER_VISIBILITY_ALL;
range.RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_CBV;
range.NumDescriptors = 1;
range.BaseShaderRegister = 2;
range.RegisterSpace = 0;
range.OffsetInDescriptorsFromTableStart = 0;
}
// Vertex float constants.
{
auto& parameter = parameters[kRootParameter_VertexFloatConstants];
auto& range = ranges[kRootParameter_VertexFloatConstants];
parameter.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameter.DescriptorTable.NumDescriptorRanges = 1;
parameter.DescriptorTable.pDescriptorRanges = &range;
parameter.ShaderVisibility = D3D12_SHADER_VISIBILITY_VERTEX;
range.RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_CBV;
range.NumDescriptors = 8;
range.BaseShaderRegister = 3;
range.RegisterSpace = 0;
range.OffsetInDescriptorsFromTableStart = 0;
}
// Pixel float constants.
{
auto& parameter = parameters[kRootParameter_PixelFloatConstants];
auto& range = ranges[kRootParameter_PixelFloatConstants];
parameter.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameter.DescriptorTable.NumDescriptorRanges = 1;
parameter.DescriptorTable.pDescriptorRanges = &range;
parameter.ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
range.RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_CBV;
range.NumDescriptors = 8;
range.BaseShaderRegister = 3;
range.RegisterSpace = 0;
range.OffsetInDescriptorsFromTableStart = 0;
}
// Common constants - system and loop/bool.
{
auto& parameter = parameters[kRootParameter_CommonConstants];
auto& range = ranges[kRootParameter_CommonConstants];
parameter.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameter.DescriptorTable.NumDescriptorRanges = 1;
parameter.DescriptorTable.pDescriptorRanges = &range;
parameter.ShaderVisibility = D3D12_SHADER_VISIBILITY_ALL;
range.RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_CBV;
range.NumDescriptors = 2;
range.BaseShaderRegister = 0;
range.RegisterSpace = 0;
range.OffsetInDescriptorsFromTableStart = 0;
}
// Shared memory.
{
auto& parameter = parameters[kRootParameter_SharedMemory];
auto& range = ranges[kRootParameter_SharedMemory];
parameter.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameter.DescriptorTable.NumDescriptorRanges = 1;
parameter.DescriptorTable.pDescriptorRanges = &range;
parameter.ShaderVisibility = D3D12_SHADER_VISIBILITY_ALL;
range.RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SRV;
range.NumDescriptors = 1;
range.BaseShaderRegister = 0;
range.RegisterSpace = 0;
range.OffsetInDescriptorsFromTableStart = 0;
}
// Extra parameters.
// Pixel textures.
if (pixel_texture_count > 0) {
auto& parameter = parameters[desc.NumParameters];
auto& range = ranges[desc.NumParameters];
parameter.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameter.DescriptorTable.NumDescriptorRanges = 1;
parameter.DescriptorTable.pDescriptorRanges = &range;
parameter.ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
range.RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SRV;
range.NumDescriptors = pixel_texture_count;
range.BaseShaderRegister = 1;
range.RegisterSpace = 0;
range.OffsetInDescriptorsFromTableStart = 0;
++desc.NumParameters;
}
// Pixel samplers.
if (pixel_sampler_count > 0) {
auto& parameter = parameters[desc.NumParameters];
auto& range = ranges[desc.NumParameters];
parameter.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameter.DescriptorTable.NumDescriptorRanges = 1;
parameter.DescriptorTable.pDescriptorRanges = &range;
parameter.ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
range.RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SAMPLER;
range.NumDescriptors = pixel_sampler_count;
range.BaseShaderRegister = 0;
range.RegisterSpace = 0;
range.OffsetInDescriptorsFromTableStart = 0;
++desc.NumParameters;
}
// Vertex textures.
if (vertex_texture_count > 0) {
auto& parameter = parameters[desc.NumParameters];
auto& range = ranges[desc.NumParameters];
parameter.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameter.DescriptorTable.NumDescriptorRanges = 1;
parameter.DescriptorTable.pDescriptorRanges = &range;
parameter.ShaderVisibility = D3D12_SHADER_VISIBILITY_VERTEX;
range.RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SRV;
range.NumDescriptors = vertex_texture_count;
range.BaseShaderRegister = 1;
range.RegisterSpace = 0;
range.OffsetInDescriptorsFromTableStart = 0;
++desc.NumParameters;
}
// Vertex samplers.
if (vertex_sampler_count > 0) {
auto& parameter = parameters[desc.NumParameters];
auto& range = ranges[desc.NumParameters];
parameter.ParameterType = D3D12_ROOT_PARAMETER_TYPE_DESCRIPTOR_TABLE;
parameter.DescriptorTable.NumDescriptorRanges = 1;
parameter.DescriptorTable.pDescriptorRanges = &range;
parameter.ShaderVisibility = D3D12_SHADER_VISIBILITY_VERTEX;
range.RangeType = D3D12_DESCRIPTOR_RANGE_TYPE_SAMPLER;
range.NumDescriptors = vertex_sampler_count;
range.BaseShaderRegister = 0;
range.RegisterSpace = 0;
range.OffsetInDescriptorsFromTableStart = 0;
++desc.NumParameters;
}
ID3D12RootSignature* root_signature = ui::d3d12::util::CreateRootSignature(
GetD3D12Context()->GetD3D12Provider()->GetDevice(), desc);
if (root_signature == nullptr) {
XELOGE(
"Failed to create a root signature with %u pixel textures, %u pixel "
"samplers, %u vertex textures and %u vertex samplers",
pixel_texture_count, pixel_sampler_count, vertex_texture_count,
vertex_sampler_count);
return nullptr;
}
root_signatures_.insert({index, root_signature});
return root_signature;
}
uint32_t D3D12CommandProcessor::GetRootExtraParameterIndices(
const D3D12Shader* vertex_shader, const D3D12Shader* pixel_shader,
RootExtraParameterIndices& indices_out) {
uint32_t pixel_texture_count = 0, pixel_sampler_count = 0;
if (pixel_shader != nullptr) {
pixel_shader->GetTextureSRVs(pixel_texture_count);
pixel_shader->GetSamplerBindings(pixel_sampler_count);
}
uint32_t vertex_texture_count, vertex_sampler_count;
vertex_shader->GetTextureSRVs(vertex_texture_count);
vertex_shader->GetSamplerBindings(vertex_sampler_count);
uint32_t index = kRootParameter_Count_Base;
if (pixel_texture_count != 0) {
indices_out.pixel_textures = index++;
} else {
indices_out.pixel_textures = RootExtraParameterIndices::kUnavailable;
}
if (pixel_sampler_count != 0) {
indices_out.pixel_samplers = index++;
} else {
indices_out.pixel_samplers = RootExtraParameterIndices::kUnavailable;
}
if (vertex_texture_count != 0) {
indices_out.vertex_textures = index++;
} else {
indices_out.vertex_textures = RootExtraParameterIndices::kUnavailable;
}
if (vertex_sampler_count != 0) {
indices_out.vertex_samplers = index++;
} else {
indices_out.vertex_samplers = RootExtraParameterIndices::kUnavailable;
}
return index;
}
uint64_t D3D12CommandProcessor::RequestViewDescriptors(
uint64_t previous_full_update, 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) {
uint32_t descriptor_index;
uint64_t current_full_update =
view_heap_pool_->Request(previous_full_update, count_for_partial_update,
count_for_full_update, descriptor_index);
if (current_full_update == 0) {
// There was an error.
return 0;
}
ID3D12DescriptorHeap* heap = view_heap_pool_->GetLastRequestHeap();
if (current_view_heap_ != heap) {
// Bind the new descriptor heaps if needed.
current_view_heap_ = heap;
ID3D12DescriptorHeap* heaps[2];
uint32_t heap_count = 0;
heaps[heap_count++] = heap;
if (current_sampler_heap_ != nullptr) {
heaps[heap_count++] = current_sampler_heap_;
}
GetCurrentCommandList()->SetDescriptorHeaps(heap_count, heaps);
}
auto provider = GetD3D12Context()->GetD3D12Provider();
cpu_handle_out = provider->OffsetViewDescriptor(
view_heap_pool_->GetLastRequestHeapCPUStart(), descriptor_index);
gpu_handle_out = provider->OffsetViewDescriptor(
view_heap_pool_->GetLastRequestHeapGPUStart(), descriptor_index);
return current_full_update;
}
uint64_t D3D12CommandProcessor::RequestSamplerDescriptors(
uint64_t previous_full_update, 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) {
uint32_t descriptor_index;
uint64_t current_full_update = sampler_heap_pool_->Request(
previous_full_update, count_for_partial_update, count_for_full_update,
descriptor_index);
if (current_full_update == 0) {
// There was an error.
return 0;
}
ID3D12DescriptorHeap* heap = sampler_heap_pool_->GetLastRequestHeap();
if (current_sampler_heap_ != heap) {
// Bind the new descriptor heaps if needed.
current_sampler_heap_ = heap;
ID3D12DescriptorHeap* heaps[2];
uint32_t heap_count = 0;
heaps[heap_count++] = heap;
if (current_view_heap_ != nullptr) {
heaps[heap_count++] = current_view_heap_;
}
GetCurrentCommandList()->SetDescriptorHeaps(heap_count, heaps);
}
uint32_t descriptor_offset =
descriptor_index *
GetD3D12Context()->GetD3D12Provider()->GetSamplerDescriptorSize();
cpu_handle_out.ptr =
sampler_heap_pool_->GetLastRequestHeapCPUStart().ptr + descriptor_offset;
gpu_handle_out.ptr =
sampler_heap_pool_->GetLastRequestHeapGPUStart().ptr + descriptor_offset;
return current_full_update;
}
ID3D12Resource* D3D12CommandProcessor::RequestScratchGPUBuffer(
uint32_t size, D3D12_RESOURCE_STATES state) {
assert_true(current_queue_frame_ != UINT_MAX);
assert_false(scratch_buffer_used_);
if (current_queue_frame_ == UINT_MAX || scratch_buffer_used_ || size == 0) {
return nullptr;
}
if (size <= scratch_buffer_size_) {
PushTransitionBarrier(scratch_buffer_, scratch_buffer_state_, state);
scratch_buffer_state_ = state;
scratch_buffer_used_ = true;
return scratch_buffer_;
}
size = xe::align(size, kScratchBufferSizeIncrement);
auto context = GetD3D12Context();
auto device = context->GetD3D12Provider()->GetDevice();
D3D12_RESOURCE_DESC buffer_desc;
ui::d3d12::util::FillBufferResourceDesc(
buffer_desc, size, D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS);
ID3D12Resource* buffer;
if (FAILED(device->CreateCommittedResource(
&ui::d3d12::util::kHeapPropertiesDefault, D3D12_HEAP_FLAG_NONE,
&buffer_desc, state, nullptr, IID_PPV_ARGS(&buffer)))) {
XELOGE("Failed to create a %u MB scratch GPU buffer", size >> 20);
return nullptr;
}
if (scratch_buffer_ != nullptr) {
BufferForDeletion buffer_for_deletion;
buffer_for_deletion.buffer = scratch_buffer_;
buffer_for_deletion.last_usage_frame = GetD3D12Context()->GetCurrentFrame();
buffers_for_deletion_.push_back(buffer_for_deletion);
}
scratch_buffer_ = buffer;
scratch_buffer_size_ = size;
scratch_buffer_state_ = state;
scratch_buffer_used_ = true;
return scratch_buffer_;
}
void D3D12CommandProcessor::ReleaseScratchGPUBuffer(
ID3D12Resource* buffer, D3D12_RESOURCE_STATES new_state) {
assert_true(current_queue_frame_ != UINT_MAX);
assert_true(scratch_buffer_used_);
scratch_buffer_used_ = false;
if (buffer == scratch_buffer_) {
scratch_buffer_state_ = new_state;
}
}
void D3D12CommandProcessor::SetSamplePositions(MsaaSamples sample_positions) {
if (current_sample_positions_ == sample_positions) {
return;
}
if (FLAGS_d3d12_programmable_sample_positions) {
auto provider = GetD3D12Context()->GetD3D12Provider();
auto tier = provider->GetProgrammableSamplePositionsTier();
auto command_list = GetCurrentCommandList1();
if (tier >= 2 && command_list != nullptr) {
// Depth buffer transitions are affected by sample positions.
SubmitBarriers();
// Standard sample positions in Direct3D 10.1, but adjusted to take the
// fact that SSAA samples are already shifted by 1/4 of a pixel.
// TODO(Triang3l): Find what sample positions are used by Xenos, though
// they are not necessarily better. The purpose is just to make 2x SSAA
// work a little bit better for tall stairs.
// FIXME(Triang3l): This is currently even uglier than without custom
// sample positions.
if (sample_positions >= MsaaSamples::k2X) {
// Sample 1 is lower-left on Xenos, but upper-right in Direct3D 12.
D3D12_SAMPLE_POSITION d3d_sample_positions[4];
if (sample_positions >= MsaaSamples::k4X) {
// Upper-left.
d3d_sample_positions[0].X = -2 + 4;
d3d_sample_positions[0].Y = -6 + 4;
// Upper-right.
d3d_sample_positions[1].X = 6 - 4;
d3d_sample_positions[1].Y = -2 + 4;
// Lower-left.
d3d_sample_positions[2].X = -6 + 4;
d3d_sample_positions[2].Y = 2 - 4;
// Lower-right.
d3d_sample_positions[3].X = 2 - 4;
d3d_sample_positions[3].Y = 6 - 4;
} else {
// Upper.
d3d_sample_positions[0].X = -4;
d3d_sample_positions[0].Y = -4 + 4;
d3d_sample_positions[1].X = -4;
d3d_sample_positions[1].Y = -4 + 4;
// Lower.
d3d_sample_positions[2].X = 4;
d3d_sample_positions[2].Y = 4 - 4;
d3d_sample_positions[3].X = 4;
d3d_sample_positions[3].Y = 4 - 4;
}
command_list->SetSamplePositions(1, 4, d3d_sample_positions);
} else {
command_list->SetSamplePositions(0, 0, nullptr);
}
}
}
current_sample_positions_ = sample_positions;
}
void D3D12CommandProcessor::SetComputePipeline(ID3D12PipelineState* pipeline) {
if (current_pipeline_ != pipeline) {
GetCurrentCommandList()->SetPipelineState(pipeline);
current_pipeline_ = pipeline;
}
}
void D3D12CommandProcessor::UnbindRenderTargets() {
render_target_cache_->UnbindRenderTargets();
}
void D3D12CommandProcessor::SetExternalGraphicsPipeline(
ID3D12PipelineState* pipeline, bool reset_viewport, bool reset_blend_factor,
bool reset_stencil_ref) {
if (current_pipeline_ != pipeline) {
GetCurrentCommandList()->SetPipelineState(pipeline);
current_pipeline_ = pipeline;
}
current_graphics_root_signature_ = nullptr;
current_graphics_root_up_to_date_ = 0;
primitive_topology_ = D3D_PRIMITIVE_TOPOLOGY_UNDEFINED;
if (reset_viewport) {
ff_viewport_update_needed_ = true;
ff_scissor_update_needed_ = true;
}
if (reset_blend_factor) {
ff_blend_factor_update_needed_ = true;
}
if (reset_stencil_ref) {
ff_stencil_ref_update_needed_ = true;
}
}
bool D3D12CommandProcessor::SetupContext() {
if (!CommandProcessor::SetupContext()) {
XELOGE("Failed to initialize base command processor context");
return false;
}
auto context = GetD3D12Context();
auto provider = context->GetD3D12Provider();
auto device = provider->GetDevice();
auto direct_queue = provider->GetDirectQueue();
for (uint32_t i = 0; i < ui::d3d12::D3D12Context::kQueuedFrames; ++i) {
command_lists_[i] = ui::d3d12::CommandList::Create(
device, direct_queue, D3D12_COMMAND_LIST_TYPE_DIRECT);
if (command_lists_[i] == nullptr) {
XELOGE("Failed to create the command lists");
return false;
}
}
constant_buffer_pool_ =
std::make_unique<ui::d3d12::UploadBufferPool>(context, 1024 * 1024);
view_heap_pool_ = std::make_unique<ui::d3d12::DescriptorHeapPool>(
context, D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV, 32768);
// Can't create a shader-visible heap with more than 2048 samplers.
sampler_heap_pool_ = std::make_unique<ui::d3d12::DescriptorHeapPool>(
context, D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER, 2048);
shared_memory_ = std::make_unique<SharedMemory>(this, memory_);
if (!shared_memory_->Initialize()) {
XELOGE("Failed to initialize shared memory");
return false;
}
pipeline_cache_ = std::make_unique<PipelineCache>(this, register_file_);
texture_cache_ = std::make_unique<TextureCache>(this, register_file_,
shared_memory_.get());
if (!texture_cache_->Initialize()) {
XELOGE("Failed to initialize the texture cache");
return false;
}
render_target_cache_ =
std::make_unique<RenderTargetCache>(this, register_file_);
if (!render_target_cache_->Initialize()) {
XELOGE("Failed to initialize the render target cache");
return false;
}
primitive_converter_ = std::make_unique<PrimitiveConverter>(
this, register_file_, memory_, shared_memory_.get());
if (!primitive_converter_->Initialize()) {
XELOGE("Failed to initialize the geometric primitive converter");
return false;
}
D3D12_RESOURCE_DESC swap_texture_desc;
swap_texture_desc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
swap_texture_desc.Alignment = 0;
swap_texture_desc.Width = kSwapTextureWidth;
swap_texture_desc.Height = kSwapTextureHeight;
swap_texture_desc.DepthOrArraySize = 1;
swap_texture_desc.MipLevels = 1;
swap_texture_desc.Format = ui::d3d12::D3D12Context::kSwapChainFormat;
swap_texture_desc.SampleDesc.Count = 1;
swap_texture_desc.SampleDesc.Quality = 0;
swap_texture_desc.Layout = D3D12_TEXTURE_LAYOUT_UNKNOWN;
swap_texture_desc.Flags = D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET;
// Can be sampled at any time, switch to render target when needed, then back.
if (FAILED(device->CreateCommittedResource(
&ui::d3d12::util::kHeapPropertiesDefault, D3D12_HEAP_FLAG_NONE,
&swap_texture_desc, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE,
nullptr, IID_PPV_ARGS(&swap_texture_)))) {
XELOGE("Failed to create the command processor front buffer");
return false;
}
D3D12_DESCRIPTOR_HEAP_DESC swap_descriptor_heap_desc;
swap_descriptor_heap_desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
swap_descriptor_heap_desc.NumDescriptors = 1;
swap_descriptor_heap_desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
swap_descriptor_heap_desc.NodeMask = 0;
if (FAILED(device->CreateDescriptorHeap(
&swap_descriptor_heap_desc,
IID_PPV_ARGS(&swap_texture_rtv_descriptor_heap_)))) {
XELOGE("Failed to create the command processor front buffer RTV heap");
return false;
}
swap_texture_rtv_ =
swap_texture_rtv_descriptor_heap_->GetCPUDescriptorHandleForHeapStart();
D3D12_RENDER_TARGET_VIEW_DESC swap_rtv_desc;
swap_rtv_desc.Format = ui::d3d12::D3D12Context::kSwapChainFormat;
swap_rtv_desc.ViewDimension = D3D12_RTV_DIMENSION_TEXTURE2D;
swap_rtv_desc.Texture2D.MipSlice = 0;
swap_rtv_desc.Texture2D.PlaneSlice = 0;
device->CreateRenderTargetView(swap_texture_, &swap_rtv_desc,
swap_texture_rtv_);
swap_descriptor_heap_desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
swap_descriptor_heap_desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
if (FAILED(device->CreateDescriptorHeap(
&swap_descriptor_heap_desc,
IID_PPV_ARGS(&swap_texture_srv_descriptor_heap_)))) {
XELOGE("Failed to create the command processor front buffer SRV heap");
return false;
}
D3D12_SHADER_RESOURCE_VIEW_DESC swap_srv_desc;
swap_srv_desc.Format = ui::d3d12::D3D12Context::kSwapChainFormat;
swap_srv_desc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
swap_srv_desc.Shader4ComponentMapping =
D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
swap_srv_desc.Texture2D.MostDetailedMip = 0;
swap_srv_desc.Texture2D.MipLevels = 1;
swap_srv_desc.Texture2D.PlaneSlice = 0;
swap_srv_desc.Texture2D.ResourceMinLODClamp = 0.0f;
device->CreateShaderResourceView(
swap_texture_, &swap_srv_desc,
swap_texture_srv_descriptor_heap_->GetCPUDescriptorHandleForHeapStart());
return true;
}
void D3D12CommandProcessor::ShutdownContext() {
auto context = GetD3D12Context();
context->AwaitAllFramesCompletion();
ui::d3d12::util::ReleaseAndNull(scratch_buffer_);
scratch_buffer_size_ = 0;
for (auto& buffer_for_deletion : buffers_for_deletion_) {
buffer_for_deletion.buffer->Release();
}
buffers_for_deletion_.clear();
if (swap_texture_srv_descriptor_heap_ != nullptr) {
{
std::lock_guard<std::mutex> lock(swap_state_.mutex);
swap_state_.pending = false;
swap_state_.front_buffer_texture = 0;
}
auto graphics_system = static_cast<D3D12GraphicsSystem*>(graphics_system_);
graphics_system->AwaitFrontBufferUnused();
swap_texture_srv_descriptor_heap_->Release();
swap_texture_srv_descriptor_heap_ = nullptr;
}
ui::d3d12::util::ReleaseAndNull(swap_texture_rtv_descriptor_heap_);
ui::d3d12::util::ReleaseAndNull(swap_texture_);
sampler_heap_pool_.reset();
view_heap_pool_.reset();
constant_buffer_pool_.reset();
primitive_converter_.reset();
render_target_cache_.reset();
texture_cache_.reset();
pipeline_cache_.reset();
// Root signatured are used by pipelines, thus freed after the pipelines.
for (auto it : root_signatures_) {
it.second->Release();
}
root_signatures_.clear();
shared_memory_.reset();
for (uint32_t i = 0; i < ui::d3d12::D3D12Context::kQueuedFrames; ++i) {
command_lists_[i].reset();
}
CommandProcessor::ShutdownContext();
}
void D3D12CommandProcessor::WriteRegister(uint32_t index, uint32_t value) {
CommandProcessor::WriteRegister(index, value);
if (index >= XE_GPU_REG_SHADER_CONSTANT_000_X &&
index <= XE_GPU_REG_SHADER_CONSTANT_511_W) {
uint32_t component_index = index - XE_GPU_REG_SHADER_CONSTANT_000_X;
cbuffer_bindings_float_[component_index >> 7].up_to_date = false;
} else if (index >= XE_GPU_REG_SHADER_CONSTANT_BOOL_000_031 &&
index <= XE_GPU_REG_SHADER_CONSTANT_LOOP_31) {
cbuffer_bindings_bool_loop_.up_to_date = false;
} else if (index >= XE_GPU_REG_SHADER_CONSTANT_FETCH_00_0 &&
index <= XE_GPU_REG_SHADER_CONSTANT_FETCH_31_5) {
cbuffer_bindings_fetch_.up_to_date = false;
if (texture_cache_ != nullptr) {
texture_cache_->TextureFetchConstantWritten(
(index - XE_GPU_REG_SHADER_CONSTANT_FETCH_00_0) / 6);
}
}
}
void D3D12CommandProcessor::PerformSwap(uint32_t frontbuffer_ptr,
uint32_t frontbuffer_width,
uint32_t frontbuffer_height) {
SCOPE_profile_cpu_f("gpu");
// In case the swap command is the only one in the frame.
BeginFrame();
D3D12_CPU_DESCRIPTOR_HANDLE frontbuffer_cpu_handle;
D3D12_GPU_DESCRIPTOR_HANDLE frontbuffer_gpu_handle;
if (RequestViewDescriptors(0, 1, 1, frontbuffer_cpu_handle,
frontbuffer_gpu_handle) != 0) {
if (texture_cache_->RequestSwapTexture(frontbuffer_cpu_handle)) {
auto command_list = GetCurrentCommandList();
render_target_cache_->UnbindRenderTargets();
// The swap texture is kept as an SRV because the graphics system may draw
// with it at any time. It's switched to RTV and back when needed.
PushTransitionBarrier(swap_texture_,
D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE,
D3D12_RESOURCE_STATE_RENDER_TARGET);
SubmitBarriers();
command_list->OMSetRenderTargets(1, &swap_texture_rtv_, TRUE, nullptr);
D3D12_VIEWPORT viewport;
viewport.TopLeftX = 0.0f;
viewport.TopLeftY = 0.0f;
viewport.Width = float(kSwapTextureWidth);
viewport.Height = float(kSwapTextureHeight);
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 0.0f;
command_list->RSSetViewports(1, &viewport);
D3D12_RECT scissor;
scissor.left = 0;
scissor.top = 0;
scissor.right = kSwapTextureWidth;
scissor.bottom = kSwapTextureHeight;
command_list->RSSetScissorRects(1, &scissor);
D3D12GraphicsSystem* graphics_system =
static_cast<D3D12GraphicsSystem*>(graphics_system_);
graphics_system->StretchTextureToFrontBuffer(frontbuffer_gpu_handle,
command_list);
PushTransitionBarrier(swap_texture_, D3D12_RESOURCE_STATE_RENDER_TARGET,
D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE);
// Don't care about graphics state because the frame is ending anyway.
{
std::lock_guard<std::mutex> lock(swap_state_.mutex);
swap_state_.width = kSwapTextureWidth;
swap_state_.height = kSwapTextureHeight;
swap_state_.front_buffer_texture =
reinterpret_cast<uintptr_t>(swap_texture_srv_descriptor_heap_);
}
}
}
EndFrame();
if (cache_clear_requested_) {
cache_clear_requested_ = false;
GetD3D12Context()->AwaitAllFramesCompletion();
ui::d3d12::util::ReleaseAndNull(scratch_buffer_);
scratch_buffer_size_ = 0;
sampler_heap_pool_->ClearCache();
view_heap_pool_->ClearCache();
constant_buffer_pool_->ClearCache();
primitive_converter_->ClearCache();
render_target_cache_->ClearCache();
texture_cache_->ClearCache();
pipeline_cache_->ClearCache();
for (auto it : root_signatures_) {
it.second->Release();
}
root_signatures_.clear();
// TODO(Triang3l): Shared memory cache clear.
// shared_memory_->ClearCache();
}
}
Shader* D3D12CommandProcessor::LoadShader(ShaderType shader_type,
uint32_t guest_address,
const uint32_t* host_address,
uint32_t dword_count) {
return pipeline_cache_->LoadShader(shader_type, guest_address, host_address,
dword_count);
}
bool D3D12CommandProcessor::IssueDraw(PrimitiveType primitive_type,
uint32_t index_count,
IndexBufferInfo* index_buffer_info) {
auto device = GetD3D12Context()->GetD3D12Provider()->GetDevice();
auto& regs = *register_file_;
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
auto enable_mode = static_cast<xenos::ModeControl>(
regs[XE_GPU_REG_RB_MODECONTROL].u32 & 0x7);
if (enable_mode == xenos::ModeControl::kIgnore) {
// Ignored.
return true;
}
if (enable_mode == xenos::ModeControl::kCopy) {
// Special copy handling.
return IssueCopy();
}
if ((regs[XE_GPU_REG_RB_SURFACE_INFO].u32 & 0x3FFF) == 0) {
// Doesn't actually draw.
return true;
}
if ((regs[XE_GPU_REG_PA_SU_SC_MODE_CNTL].u32 & 0x3) == 0x3 &&
primitive_type != PrimitiveType::kPointList &&
primitive_type != PrimitiveType::kRectangleList) {
// Both sides are culled - can't reproduce this with rasterizer state.
return true;
}
bool indexed = index_buffer_info != nullptr && index_buffer_info->guest_base;
if (indexed && regs[XE_GPU_REG_PA_SU_SC_MODE_CNTL].u32 & (1 << 21)) {
uint32_t reset_index = regs[XE_GPU_REG_VGT_MULTI_PRIM_IB_RESET_INDX].u32;
uint32_t reset_index_expected;
if (index_buffer_info->format == IndexFormat::kInt32) {
reset_index_expected = 0xFFFFFFFFu;
} else {
reset_index_expected = 0xFFFFu;
}
if (reset_index != reset_index_expected) {
// Only 0xFFFF and 0xFFFFFFFF primitive restart indices are supported by
// Direct3D 12 (endianness doesn't matter for them). With shared memory,
// it's impossible to replace the cut index in the buffer without
// affecting the game memory.
XELOGE(
"The game uses the primitive restart index 0x%X that isn't 0xFFFF or "
"0xFFFFFFFF. Report the game to Xenia developers so geometry shaders "
"will be added to handle this!",
reset_index);
assert_always();
return false;
}
}
// Shaders will have already been defined by previous loads.
// We need them to do just about anything so validate here.
auto vertex_shader = static_cast<D3D12Shader*>(active_vertex_shader());
auto pixel_shader = static_cast<D3D12Shader*>(active_pixel_shader());
if (!vertex_shader) {
// Always need a vertex shader.
return false;
}
// Depth-only mode doesn't need a pixel shader.
if (enable_mode == xenos::ModeControl::kDepth) {
pixel_shader = nullptr;
} else if (!pixel_shader) {
// Need a pixel shader in normal color mode.
return false;
}
// Translate shaders now because to get the color mask, which is needed by the
// render target cache.
if (!pipeline_cache_->EnsureShadersTranslated(vertex_shader, pixel_shader)) {
return false;
}
uint32_t color_mask = GetCurrentColorMask(pixel_shader);
if (!color_mask && !(regs[XE_GPU_REG_RB_DEPTHCONTROL].u32 & (0x1 | 0x4))) {
// Not writing to color, depth or doing stencil test, so doesn't draw.
return true;
}
bool new_frame = BeginFrame();
auto command_list = GetCurrentCommandList();
// Set up the render targets - this may bind pipelines.
if (!render_target_cache_->UpdateRenderTargets(pixel_shader)) {
// Doesn't actually draw.
return true;
}
const RenderTargetCache::PipelineRenderTarget* pipeline_render_targets =
render_target_cache_->GetCurrentPipelineRenderTargets();
// Set the primitive topology.
PrimitiveType primitive_type_converted =
PrimitiveConverter::GetReplacementPrimitiveType(primitive_type);
D3D_PRIMITIVE_TOPOLOGY primitive_topology;
switch (primitive_type_converted) {
case PrimitiveType::kPointList:
primitive_topology = D3D_PRIMITIVE_TOPOLOGY_POINTLIST;
break;
case PrimitiveType::kLineList:
primitive_topology = D3D_PRIMITIVE_TOPOLOGY_LINELIST;
break;
case PrimitiveType::kLineStrip:
primitive_topology = D3D_PRIMITIVE_TOPOLOGY_LINESTRIP;
break;
case PrimitiveType::kTriangleList:
case PrimitiveType::kRectangleList:
primitive_topology = D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST;
break;
case PrimitiveType::kTriangleStrip:
primitive_topology = D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP;
break;
case PrimitiveType::kQuadList:
primitive_topology = D3D_PRIMITIVE_TOPOLOGY_LINELIST_ADJ;
break;
default:
return false;
}
if (primitive_topology_ != primitive_topology) {
primitive_topology_ = primitive_topology;
command_list->IASetPrimitiveTopology(primitive_topology);
}
// Get the pipeline and translate the shaders so used textures are known.
ID3D12PipelineState* pipeline;
ID3D12RootSignature* root_signature;
auto pipeline_status = pipeline_cache_->ConfigurePipeline(
vertex_shader, pixel_shader, primitive_type_converted,
indexed ? index_buffer_info->format : IndexFormat::kInt16,
pipeline_render_targets, &pipeline, &root_signature);
if (pipeline_status == PipelineCache::UpdateStatus::kError) {
return false;
}
// Update the textures - this may bind pipelines.
texture_cache_->RequestTextures(
vertex_shader->GetUsedTextureMask(),
pixel_shader != nullptr ? pixel_shader->GetUsedTextureMask() : 0);
// Update viewport, scissor, blend factor and stencil reference.
UpdateFixedFunctionState(command_list);
// Bind the pipeline.
if (current_pipeline_ != pipeline) {
GetCurrentCommandList()->SetPipelineState(pipeline);
current_pipeline_ = pipeline;
}
// Update system constants before uploading them.
UpdateSystemConstantValues(
indexed ? index_buffer_info->endianness : Endian::kUnspecified,
pipeline_render_targets);
// Update constant buffers, descriptors and root parameters.
if (!UpdateBindings(command_list, vertex_shader, pixel_shader,
root_signature)) {
return false;
}
// Ensure vertex and index buffers are resident and draw.
// TODO(Triang3l): Cache residency for ranges in a way similar to how texture
// validity will be tracked.
uint64_t vertex_buffers_resident[2] = {};
for (const auto& vertex_binding : vertex_shader->vertex_bindings()) {
uint32_t vfetch_index = vertex_binding.fetch_constant;
if (vertex_buffers_resident[vfetch_index >> 6] &
(1ull << (vfetch_index & 63))) {
continue;
}
uint32_t vfetch_constant_index =
XE_GPU_REG_SHADER_CONSTANT_FETCH_00_0 + vfetch_index * 2;
if ((regs[vfetch_constant_index].u32 & 0x3) != 3) {
XELOGGPU("Vertex fetch type is not 3!");
return false;
}
shared_memory_->RequestRange(
regs[vfetch_constant_index].u32 & 0x1FFFFFFC,
regs[vfetch_constant_index + 1].u32 & 0x3FFFFFC);
vertex_buffers_resident[vfetch_index >> 6] |= 1ull << (vfetch_index & 63);
}
if (indexed) {
uint32_t index_size = index_buffer_info->format == IndexFormat::kInt32
? sizeof(uint32_t)
: sizeof(uint16_t);
assert_false(index_buffer_info->guest_base & (index_size - 1));
uint32_t index_base =
index_buffer_info->guest_base & 0x1FFFFFFF & ~(index_size - 1);
D3D12_INDEX_BUFFER_VIEW index_buffer_view;
index_buffer_view.Format = index_buffer_info->format == IndexFormat::kInt32
? DXGI_FORMAT_R32_UINT
: DXGI_FORMAT_R16_UINT;
uint32_t converted_index_count;
PrimitiveConverter::ConversionResult conversion_result =
primitive_converter_->ConvertPrimitives(
primitive_type, index_buffer_info->guest_base, index_count,
index_buffer_info->format, index_buffer_info->endianness,
index_buffer_view.BufferLocation, converted_index_count);
if (conversion_result == PrimitiveConverter::ConversionResult::kFailed) {
return false;
}
if (conversion_result ==
PrimitiveConverter::ConversionResult::kPrimitiveEmpty) {
return true;
}
if (conversion_result == PrimitiveConverter::ConversionResult::kConverted) {
index_buffer_view.SizeInBytes = converted_index_count * index_size;
index_count = converted_index_count;
} else {
uint32_t index_buffer_size = index_buffer_info->count * index_size;
shared_memory_->RequestRange(index_base, index_buffer_size);
index_buffer_view.BufferLocation =
shared_memory_->GetGPUAddress() + index_base;
index_buffer_view.SizeInBytes = index_buffer_size;
}
shared_memory_->UseForReading();
command_list->IASetIndexBuffer(&index_buffer_view);
SubmitBarriers();
command_list->DrawIndexedInstanced(index_count, 1, 0, 0, 0);
} else {
// Check if need to draw using a conversion index buffer.
uint32_t converted_index_count;
D3D12_GPU_VIRTUAL_ADDRESS conversion_gpu_address =
primitive_converter_->GetStaticIndexBuffer(primitive_type, index_count,
converted_index_count);
shared_memory_->UseForReading();
SubmitBarriers();
if (conversion_gpu_address) {
D3D12_INDEX_BUFFER_VIEW index_buffer_view;
index_buffer_view.BufferLocation = conversion_gpu_address;
index_buffer_view.SizeInBytes = converted_index_count * sizeof(uint16_t);
index_buffer_view.Format = DXGI_FORMAT_R16_UINT;
command_list->IASetIndexBuffer(&index_buffer_view);
command_list->DrawIndexedInstanced(converted_index_count, 1, 0, 0, 0);
} else {
command_list->DrawInstanced(index_count, 1, 0, 0);
}
}
return true;
}
bool D3D12CommandProcessor::IssueCopy() {
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
BeginFrame();
return render_target_cache_->Resolve(shared_memory_.get(),
texture_cache_.get(), memory_);
}
bool D3D12CommandProcessor::BeginFrame() {
if (current_queue_frame_ != UINT32_MAX) {
return false;
}
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
auto context = GetD3D12Context();
context->BeginSwap();
current_queue_frame_ = context->GetCurrentQueueFrame();
// Remove outdated temporary buffers.
uint64_t last_completed_frame = context->GetLastCompletedFrame();
auto erase_buffers_end = buffers_for_deletion_.begin();
while (erase_buffers_end != buffers_for_deletion_.end()) {
uint64_t upload_frame = erase_buffers_end->last_usage_frame;
if (upload_frame > last_completed_frame) {
++erase_buffers_end;
break;
}
erase_buffers_end->buffer->Release();
++erase_buffers_end;
}
buffers_for_deletion_.erase(buffers_for_deletion_.begin(), erase_buffers_end);
// Reset fixed-function state.
ff_viewport_update_needed_ = true;
ff_scissor_update_needed_ = true;
ff_blend_factor_update_needed_ = true;
ff_stencil_ref_update_needed_ = true;
// Since a new command list is being started, sample positions are reset to
// centers.
current_sample_positions_ = MsaaSamples::k1X;
// Reset bindings, particularly because the buffers backing them are recycled.
current_pipeline_ = nullptr;
current_graphics_root_signature_ = nullptr;
current_graphics_root_up_to_date_ = 0;
current_view_heap_ = nullptr;
current_sampler_heap_ = nullptr;
cbuffer_bindings_system_.up_to_date = false;
for (uint32_t i = 0; i < xe::countof(cbuffer_bindings_float_); ++i) {
cbuffer_bindings_float_[i].up_to_date = false;
}
cbuffer_bindings_bool_loop_.up_to_date = false;
cbuffer_bindings_fetch_.up_to_date = false;
draw_view_full_update_ = 0;
draw_sampler_full_update_ = 0;
primitive_topology_ = D3D_PRIMITIVE_TOPOLOGY_UNDEFINED;
command_lists_[current_queue_frame_]->BeginRecording();
constant_buffer_pool_->BeginFrame();
view_heap_pool_->BeginFrame();
sampler_heap_pool_->BeginFrame();
shared_memory_->BeginFrame();
texture_cache_->BeginFrame();
render_target_cache_->BeginFrame();
primitive_converter_->BeginFrame();
return true;
}
bool D3D12CommandProcessor::EndFrame() {
if (current_queue_frame_ == UINT32_MAX) {
return false;
}
assert_false(scratch_buffer_used_);
primitive_converter_->EndFrame();
render_target_cache_->EndFrame();
texture_cache_->EndFrame();
shared_memory_->EndFrame();
// Submit barriers now because resources the queued barriers are for may be
// destroyed between frames.
SubmitBarriers();
command_lists_[current_queue_frame_]->Execute();
sampler_heap_pool_->EndFrame();
view_heap_pool_->EndFrame();
constant_buffer_pool_->EndFrame();
auto context = GetD3D12Context();
context->EndSwap();
current_queue_frame_ = UINT32_MAX;
return true;
}
void D3D12CommandProcessor::UpdateFixedFunctionState(
ID3D12GraphicsCommandList* command_list) {
auto& regs = *register_file_;
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
// Window parameters.
// http://ftp.tku.edu.tw/NetBSD/NetBSD-current/xsrc/external/mit/xf86-video-ati/dist/src/r600_reg_auto_r6xx.h
// See r200UpdateWindow:
// https://github.com/freedreno/mesa/blob/master/src/mesa/drivers/dri/r200/r200_state.c
uint32_t pa_sc_window_offset = regs[XE_GPU_REG_PA_SC_WINDOW_OFFSET].u32;
int16_t window_offset_x = pa_sc_window_offset & 0x7FFF;
int16_t window_offset_y = (pa_sc_window_offset >> 16) & 0x7FFF;
if (window_offset_x & 0x4000) {
window_offset_x |= 0x8000;
}
if (window_offset_y & 0x4000) {
window_offset_y |= 0x8000;
}
// Supersampling replacing multisampling due to difficulties of emulating
// EDRAM with multisampling.
MsaaSamples msaa_samples =
MsaaSamples((regs[XE_GPU_REG_RB_SURFACE_INFO].u32 >> 16) & 0x3);
uint32_t ssaa_scale_x = msaa_samples >= MsaaSamples::k4X ? 2 : 1;
uint32_t ssaa_scale_y = msaa_samples >= MsaaSamples::k2X ? 2 : 1;
// Viewport.
// PA_CL_VTE_CNTL contains whether offsets and scales are enabled.
// http://www.x.org/docs/AMD/old/evergreen_3D_registers_v2.pdf
// In games, either all are enabled (for regular drawing) or none are (for
// rectangle lists usually).
//
// If scale/offset is enabled, the Xenos shader is writing (neglecting W
// division) position in the NDC (-1, -1, dx_clip_space_def - 1) -> (1, 1, 1)
// box. If it's not, the position is in screen space. Since we can only use
// the NDC in PC APIs, we use a viewport of the largest possible size, and
// divide the position by it in translated shaders.
uint32_t pa_cl_vte_cntl = regs[XE_GPU_REG_PA_CL_VTE_CNTL].u32;
float viewport_scale_x =
(pa_cl_vte_cntl & (1 << 0))
? std::abs(regs[XE_GPU_REG_PA_CL_VPORT_XSCALE].f32)
: 1280.0f;
float viewport_scale_y =
(pa_cl_vte_cntl & (1 << 2))
? std::abs(regs[XE_GPU_REG_PA_CL_VPORT_YSCALE].f32)
: 1280.0f;
float viewport_scale_z = (pa_cl_vte_cntl & (1 << 4))
? regs[XE_GPU_REG_PA_CL_VPORT_ZSCALE].f32
: 1.0f;
float viewport_offset_x = (pa_cl_vte_cntl & (1 << 1))
? regs[XE_GPU_REG_PA_CL_VPORT_XOFFSET].f32
: std::abs(viewport_scale_x);
float viewport_offset_y = (pa_cl_vte_cntl & (1 << 3))
? regs[XE_GPU_REG_PA_CL_VPORT_YOFFSET].f32
: std::abs(viewport_scale_y);
float viewport_offset_z = (pa_cl_vte_cntl & (1 << 5))
? regs[XE_GPU_REG_PA_CL_VPORT_ZOFFSET].f32
: 0.0f;
if (regs[XE_GPU_REG_PA_SU_SC_MODE_CNTL].u32 & (1 << 16)) {
viewport_offset_x += float(window_offset_x);
viewport_offset_y += float(window_offset_y);
}
D3D12_VIEWPORT viewport;
viewport.TopLeftX =
(viewport_offset_x - viewport_scale_x) * float(ssaa_scale_x);
viewport.TopLeftY =
(viewport_offset_y - viewport_scale_y) * float(ssaa_scale_y);
viewport.Width = viewport_scale_x * 2.0f * float(ssaa_scale_x);
viewport.Height = viewport_scale_y * 2.0f * float(ssaa_scale_y);
viewport.MinDepth = viewport_offset_z;
viewport.MaxDepth = viewport_offset_z + viewport_scale_z;
if (viewport_scale_z < 0.0f) {
// MinDepth > MaxDepth doesn't work on Nvidia, emulating it in vertex
// shaders and when applying polygon offset.
std::swap(viewport.MinDepth, viewport.MaxDepth);
}
ff_viewport_update_needed_ |= ff_viewport_.TopLeftX != viewport.TopLeftX;
ff_viewport_update_needed_ |= ff_viewport_.TopLeftY != viewport.TopLeftY;
ff_viewport_update_needed_ |= ff_viewport_.Width != viewport.Width;
ff_viewport_update_needed_ |= ff_viewport_.Height != viewport.Height;
ff_viewport_update_needed_ |= ff_viewport_.MinDepth != viewport.MinDepth;
ff_viewport_update_needed_ |= ff_viewport_.MaxDepth != viewport.MaxDepth;
if (ff_viewport_update_needed_) {
ff_viewport_ = viewport;
command_list->RSSetViewports(1, &viewport);
ff_viewport_update_needed_ = false;
}
// Scissor.
uint32_t pa_sc_window_scissor_tl =
regs[XE_GPU_REG_PA_SC_WINDOW_SCISSOR_TL].u32;
uint32_t pa_sc_window_scissor_br =
regs[XE_GPU_REG_PA_SC_WINDOW_SCISSOR_BR].u32;
D3D12_RECT scissor;
scissor.left = pa_sc_window_scissor_tl & 0x7FFF;
scissor.top = (pa_sc_window_scissor_tl >> 16) & 0x7FFF;
scissor.right = pa_sc_window_scissor_br & 0x7FFF;
scissor.bottom = (pa_sc_window_scissor_br >> 16) & 0x7FFF;
if (!(pa_sc_window_scissor_tl & (1u << 31))) {
// !WINDOW_OFFSET_DISABLE.
scissor.left = std::max(scissor.left + window_offset_x, LONG(0));
scissor.top = std::max(scissor.top + window_offset_y, LONG(0));
scissor.right = std::max(scissor.right + window_offset_x, LONG(0));
scissor.bottom = std::max(scissor.bottom + window_offset_y, LONG(0));
}
scissor.left *= ssaa_scale_x;
scissor.top *= ssaa_scale_y;
scissor.right *= ssaa_scale_x;
scissor.bottom *= ssaa_scale_y;
ff_scissor_update_needed_ |= ff_scissor_.left != scissor.left;
ff_scissor_update_needed_ |= ff_scissor_.top != scissor.top;
ff_scissor_update_needed_ |= ff_scissor_.right != scissor.right;
ff_scissor_update_needed_ |= ff_scissor_.bottom != scissor.bottom;
if (ff_scissor_update_needed_) {
ff_scissor_ = scissor;
command_list->RSSetScissorRects(1, &scissor);
ff_scissor_update_needed_ = false;
}
// Blend factor.
ff_blend_factor_update_needed_ |=
ff_blend_factor_[0] != regs[XE_GPU_REG_RB_BLEND_RED].f32;
ff_blend_factor_update_needed_ |=
ff_blend_factor_[1] != regs[XE_GPU_REG_RB_BLEND_GREEN].f32;
ff_blend_factor_update_needed_ |=
ff_blend_factor_[2] != regs[XE_GPU_REG_RB_BLEND_BLUE].f32;
ff_blend_factor_update_needed_ |=
ff_blend_factor_[3] != regs[XE_GPU_REG_RB_BLEND_ALPHA].f32;
if (ff_blend_factor_update_needed_) {
ff_blend_factor_[0] = regs[XE_GPU_REG_RB_BLEND_RED].f32;
ff_blend_factor_[1] = regs[XE_GPU_REG_RB_BLEND_GREEN].f32;
ff_blend_factor_[2] = regs[XE_GPU_REG_RB_BLEND_BLUE].f32;
ff_blend_factor_[3] = regs[XE_GPU_REG_RB_BLEND_ALPHA].f32;
command_list->OMSetBlendFactor(ff_blend_factor_);
ff_blend_factor_update_needed_ = false;
}
// Stencil reference value.
uint32_t stencil_ref = regs[XE_GPU_REG_RB_STENCILREFMASK].u32 & 0xFF;
ff_stencil_ref_update_needed_ |= ff_stencil_ref_ != stencil_ref;
if (ff_stencil_ref_update_needed_) {
ff_stencil_ref_ = stencil_ref;
command_list->OMSetStencilRef(stencil_ref);
ff_stencil_ref_update_needed_ = false;
}
}
void D3D12CommandProcessor::UpdateSystemConstantValues(
Endian index_endian,
const RenderTargetCache::PipelineRenderTarget render_targets[4]) {
auto& regs = *register_file_;
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
uint32_t vgt_indx_offset = regs[XE_GPU_REG_VGT_INDX_OFFSET].u32;
uint32_t pa_cl_vte_cntl = regs[XE_GPU_REG_PA_CL_VTE_CNTL].u32;
uint32_t pa_cl_clip_cntl = regs[XE_GPU_REG_PA_CL_CLIP_CNTL].u32;
uint32_t pa_su_vtx_cntl = regs[XE_GPU_REG_PA_SU_VTX_CNTL].u32;
uint32_t pa_su_point_size = regs[XE_GPU_REG_PA_SU_POINT_SIZE].u32;
uint32_t pa_su_point_minmax = regs[XE_GPU_REG_PA_SU_POINT_MINMAX].u32;
uint32_t sq_program_cntl = regs[XE_GPU_REG_SQ_PROGRAM_CNTL].u32;
uint32_t sq_context_misc = regs[XE_GPU_REG_SQ_CONTEXT_MISC].u32;
uint32_t rb_surface_info = regs[XE_GPU_REG_RB_SURFACE_INFO].u32;
uint32_t rb_colorcontrol = regs[XE_GPU_REG_RB_COLORCONTROL].u32;
uint32_t rb_alpha_ref = regs[XE_GPU_REG_RB_ALPHA_REF].u32;
bool dirty = false;
// Flags.
uint32_t flags = 0;
// W0 division control.
// http://www.x.org/docs/AMD/old/evergreen_3D_registers_v2.pdf
// 8: VTX_XY_FMT = true: the incoming XY have already been multiplied by 1/W0.
// = false: multiply the X, Y coordinates by 1/W0.
// 9: VTX_Z_FMT = true: the incoming Z has already been multiplied by 1/W0.
// = false: multiply the Z coordinate by 1/W0.
// 10: VTX_W0_FMT = true: the incoming W0 is not 1/W0. Perform the reciprocal
// to get 1/W0.
if (pa_cl_vte_cntl & (1 << 8)) {
flags |= DxbcShaderTranslator::kSysFlag_XYDividedByW;
}
if (pa_cl_vte_cntl & (1 << 9)) {
flags |= DxbcShaderTranslator::kSysFlag_ZDividedByW;
}
if (pa_cl_vte_cntl & (1 << 10)) {
flags |= DxbcShaderTranslator::kSysFlag_WNotReciprocal;
}
// Reversed depth.
if ((pa_cl_vte_cntl & (1 << 4)) &&
regs[XE_GPU_REG_PA_CL_VPORT_ZSCALE].f32 < 0.0f) {
flags |= DxbcShaderTranslator::kSysFlag_ReverseZ;
}
// Gamma writing.
if (((regs[XE_GPU_REG_RB_COLOR_INFO].u32 >> 16) & 0xF) ==
uint32_t(ColorRenderTargetFormat::k_8_8_8_8_GAMMA)) {
flags |= DxbcShaderTranslator::kSysFlag_Color0Gamma;
}
if (((regs[XE_GPU_REG_RB_COLOR1_INFO].u32 >> 16) & 0xF) ==
uint32_t(ColorRenderTargetFormat::k_8_8_8_8_GAMMA)) {
flags |= DxbcShaderTranslator::kSysFlag_Color1Gamma;
}
if (((regs[XE_GPU_REG_RB_COLOR2_INFO].u32 >> 16) & 0xF) ==
uint32_t(ColorRenderTargetFormat::k_8_8_8_8_GAMMA)) {
flags |= DxbcShaderTranslator::kSysFlag_Color2Gamma;
}
if (((regs[XE_GPU_REG_RB_COLOR3_INFO].u32 >> 16) & 0xF) ==
uint32_t(ColorRenderTargetFormat::k_8_8_8_8_GAMMA)) {
flags |= DxbcShaderTranslator::kSysFlag_Color3Gamma;
}
dirty |= system_constants_.flags != flags;
system_constants_.flags = flags;
// Vertex index offset.
dirty |= system_constants_.vertex_base_index != vgt_indx_offset;
system_constants_.vertex_base_index = vgt_indx_offset;
// Index buffer endianness.
dirty |= system_constants_.vertex_index_endian != uint32_t(index_endian);
system_constants_.vertex_index_endian = uint32_t(index_endian);
// Conversion to Direct3D 12 normalized device coordinates.
// See viewport configuration in UpdateFixedFunctionState for explanations.
// X and Y scale/offset is to convert unnormalized coordinates generated by
// shaders (for rectangle list drawing, for instance) to the 2560x2560
// viewport that is used to emulate unnormalized coordinates.
// Z scale/offset is to convert from OpenGL NDC to Direct3D NDC if needed.
// Also apply half-pixel offset to reproduce Direct3D 9 rasterization rules.
// TODO(Triang3l): Check if pixel coordinates need to be offset depending on a
// different register (and if there's such register at all).
float viewport_scale_x = regs[XE_GPU_REG_PA_CL_VPORT_XSCALE].f32;
float viewport_scale_y = regs[XE_GPU_REG_PA_CL_VPORT_YSCALE].f32;
bool gl_clip_space_def =
!(pa_cl_clip_cntl & (1 << 19)) && (pa_cl_vte_cntl & (1 << 4));
float ndc_scale_x, ndc_scale_y;
if (pa_cl_vte_cntl & (1 << 0)) {
ndc_scale_x = viewport_scale_x >= 0.0f ? 1.0f : -1.0f;
} else {
ndc_scale_x = 1.0f / 1280.0f;
}
if (pa_cl_vte_cntl & (1 << 2)) {
ndc_scale_y = viewport_scale_y >= 0.0f ? -1.0f : 1.0f;
} else {
ndc_scale_y = -1.0f / 1280.0f;
}
float ndc_scale_z = gl_clip_space_def ? 0.5f : 1.0f;
float ndc_offset_x = (pa_cl_vte_cntl & (1 << 1)) ? 0.0f : -1.0f;
float ndc_offset_y = (pa_cl_vte_cntl & (1 << 3)) ? 0.0f : 1.0f;
float ndc_offset_z = gl_clip_space_def ? 0.5f : 0.0f;
float pixel_half_pixel_offset = 0.0f;
if (FLAGS_d3d12_half_pixel_offset && !(pa_su_vtx_cntl & (1 << 0))) {
// Signs are hopefully correct here, tested in GTA IV on both clearing
// (without a viewport) and drawing things near the edges of the screen.
if (pa_cl_vte_cntl & (1 << 0)) {
if (viewport_scale_x != 0.0f) {
ndc_offset_x += 0.5f / viewport_scale_x;
}
} else {
ndc_offset_x += 1.0f / 2560.0f;
}
if (pa_cl_vte_cntl & (1 << 2)) {
if (viewport_scale_y != 0.0f) {
ndc_offset_y += 0.5f / viewport_scale_y;
}
} else {
ndc_offset_y -= 1.0f / 2560.0f;
}
pixel_half_pixel_offset = -0.5f;
}
dirty |= system_constants_.ndc_scale[0] != ndc_scale_x;
dirty |= system_constants_.ndc_scale[1] != ndc_scale_y;
dirty |= system_constants_.ndc_scale[2] != ndc_scale_z;
dirty |= system_constants_.ndc_offset[0] != ndc_offset_x;
dirty |= system_constants_.ndc_offset[1] != ndc_offset_y;
dirty |= system_constants_.ndc_offset[2] != ndc_offset_z;
dirty |= system_constants_.pixel_half_pixel_offset != pixel_half_pixel_offset;
system_constants_.ndc_scale[0] = ndc_scale_x;
system_constants_.ndc_scale[1] = ndc_scale_y;
system_constants_.ndc_scale[2] = ndc_scale_z;
system_constants_.ndc_offset[0] = ndc_offset_x;
system_constants_.ndc_offset[1] = ndc_offset_y;
system_constants_.ndc_offset[2] = ndc_offset_z;
system_constants_.pixel_half_pixel_offset = pixel_half_pixel_offset;
// Point size.
float point_size_x = float(pa_su_point_size >> 16) * 0.125f;
float point_size_y = float(pa_su_point_size & 0xFFFF) * 0.125f;
float point_size_min = float(pa_su_point_minmax & 0xFFFF) * 0.125f;
float point_size_max = float(pa_su_point_minmax >> 16) * 0.125f;
dirty |= system_constants_.point_size[0] != point_size_x;
dirty |= system_constants_.point_size[1] != point_size_y;
dirty |= system_constants_.point_size_min_max[0] != point_size_min;
dirty |= system_constants_.point_size_min_max[1] != point_size_max;
system_constants_.point_size[0] = point_size_x;
system_constants_.point_size[1] = point_size_y;
system_constants_.point_size_min_max[0] = point_size_min;
system_constants_.point_size_min_max[1] = point_size_max;
float point_screen_to_ndc_x, point_screen_to_ndc_y;
if (pa_cl_vte_cntl & (1 << 0)) {
point_screen_to_ndc_x =
(viewport_scale_x != 0.0f) ? (0.5f / viewport_scale_x) : 0.0f;
} else {
point_screen_to_ndc_x = 1.0f / 2560.0f;
}
if (pa_cl_vte_cntl & (1 << 2)) {
point_screen_to_ndc_y =
(viewport_scale_y != 0.0f) ? (-0.5f / viewport_scale_y) : 0.0f;
} else {
point_screen_to_ndc_y = -1.0f / 2560.0f;
}
dirty |= system_constants_.point_screen_to_ndc[0] != point_screen_to_ndc_x;
dirty |= system_constants_.point_screen_to_ndc[1] != point_screen_to_ndc_y;
system_constants_.point_screen_to_ndc[0] = point_screen_to_ndc_x;
system_constants_.point_screen_to_ndc[1] = point_screen_to_ndc_y;
// Pixel position register.
uint32_t pixel_pos_reg =
(sq_program_cntl & (1 << 18)) ? (sq_context_misc >> 8) & 0xFF : UINT_MAX;
dirty |= system_constants_.pixel_pos_reg != pixel_pos_reg;
system_constants_.pixel_pos_reg = pixel_pos_reg;
// Supersampling anti-aliasing pixel scale inverse for pixel positions.
MsaaSamples msaa_samples = MsaaSamples((rb_surface_info >> 16) & 0x3);
float ssaa_inv_scale_x = msaa_samples >= MsaaSamples::k4X ? 0.5f : 1.0f;
float ssaa_inv_scale_y = msaa_samples >= MsaaSamples::k2X ? 0.5f : 1.0f;
dirty |= system_constants_.ssaa_inv_scale[0] != ssaa_inv_scale_x;
dirty |= system_constants_.ssaa_inv_scale[1] != ssaa_inv_scale_y;
system_constants_.ssaa_inv_scale[0] = ssaa_inv_scale_x;
system_constants_.ssaa_inv_scale[1] = ssaa_inv_scale_y;
// Alpha test.
int32_t alpha_test;
if (rb_colorcontrol & 0x8) {
uint32_t alpha_test_function = rb_colorcontrol & 0x7;
// 0: Never - fail in [-inf, +inf].
// 1: Less - fail in [ref, +inf].
// 2: Equal - pass in [ref, ref].
// 3: Less or equal - pass in [-inf, ref].
// 4: Greater - fail in [-inf, ref].
// 5: Not equal - fail in [ref, ref].
// 6: Greater or equal - pass in [ref, +inf].
// 7: Always - pass in [-inf, +inf].
alpha_test = (alpha_test_function & 0x2) ? 1 : -1;
uint32_t alpha_test_range_start =
(alpha_test_function == 1 || alpha_test_function == 2 ||
alpha_test_function == 5 || alpha_test_function == 6)
? rb_alpha_ref
: 0xFF800000u;
uint32_t alpha_test_range_end =
(alpha_test_function == 2 || alpha_test_function == 3 ||
alpha_test_function == 4 || alpha_test_function == 5)
? rb_alpha_ref
: 0x7F800000u;
dirty |= system_constants_.alpha_test_range[0] != alpha_test_range_start;
dirty |= system_constants_.alpha_test_range[1] != alpha_test_range_end;
system_constants_.alpha_test_range[0] = alpha_test_range_start;
system_constants_.alpha_test_range[1] = alpha_test_range_end;
} else {
alpha_test = 0;
}
dirty |= system_constants_.alpha_test != alpha_test;
system_constants_.alpha_test = alpha_test;
// Color exponent bias and output index mapping.
for (uint32_t i = 0; i < 4; ++i) {
uint32_t color_info;
switch (i) {
case 1:
color_info = regs[XE_GPU_REG_RB_COLOR1_INFO].u32;
break;
case 2:
color_info = regs[XE_GPU_REG_RB_COLOR2_INFO].u32;
break;
case 3:
color_info = regs[XE_GPU_REG_RB_COLOR3_INFO].u32;
break;
default:
color_info = regs[XE_GPU_REG_RB_COLOR_INFO].u32;
}
// Exponent bias is in bits 20:25 of RB_COLOR_INFO.
int32_t color_exp_bias = int32_t(color_info << 6) >> 26;
ColorRenderTargetFormat color_format =
ColorRenderTargetFormat((color_info >> 16) & 0xF);
if (color_format == ColorRenderTargetFormat::k_16_16 ||
color_format == ColorRenderTargetFormat::k_16_16_16_16) {
// On the Xbox 360, k_16_16_EDRAM and k_16_16_16_16_EDRAM internally have
// -32...32 range and expect shaders to give -32...32 values, but they're
// emulated using normalized RG16/RGBA16, so the value returned from the
// shader needs to be divided by 32.
// http://www.students.science.uu.nl/~3220516/advancedgraphics/papers/inferred_lighting.pdf
color_exp_bias -= 5;
}
float color_exp_bias_scale;
*reinterpret_cast<int32_t*>(&color_exp_bias_scale) =
0x3F800000 + (color_exp_bias << 23);
dirty |= system_constants_.color_exp_bias[i] != color_exp_bias_scale;
system_constants_.color_exp_bias[i] = color_exp_bias_scale;
dirty |= system_constants_.color_output_map[i] !=
render_targets[i].guest_render_target;
system_constants_.color_output_map[i] =
render_targets[i].guest_render_target;
}
cbuffer_bindings_system_.up_to_date &= !dirty;
}
bool D3D12CommandProcessor::UpdateBindings(
ID3D12GraphicsCommandList* command_list, const D3D12Shader* vertex_shader,
const D3D12Shader* pixel_shader, ID3D12RootSignature* root_signature) {
auto provider = GetD3D12Context()->GetD3D12Provider();
auto device = provider->GetDevice();
auto& regs = *register_file_;
#if FINE_GRAINED_DRAW_SCOPES
SCOPE_profile_cpu_f("gpu");
#endif // FINE_GRAINED_DRAW_SCOPES
// Bind the new root signature.
if (current_graphics_root_signature_ != root_signature) {
current_graphics_root_signature_ = root_signature;
GetRootExtraParameterIndices(vertex_shader, pixel_shader,
current_graphics_root_extras_);
// We don't know which root parameters are up to date anymore.
current_graphics_root_up_to_date_ = 0;
command_list->SetGraphicsRootSignature(root_signature);
}
// Get used textures and samplers.
uint32_t pixel_texture_count, pixel_sampler_count;
const D3D12Shader::TextureSRV* pixel_textures;
const D3D12Shader::SamplerBinding* pixel_samplers;
if (pixel_shader != nullptr) {
pixel_textures = pixel_shader->GetTextureSRVs(pixel_texture_count);
pixel_samplers = pixel_shader->GetSamplerBindings(pixel_sampler_count);
} else {
pixel_textures = nullptr;
pixel_texture_count = 0;
pixel_samplers = nullptr;
pixel_sampler_count = 0;
}
uint32_t vertex_texture_count, vertex_sampler_count;
const D3D12Shader::TextureSRV* vertex_textures =
vertex_shader->GetTextureSRVs(vertex_texture_count);
const D3D12Shader::SamplerBinding* vertex_samplers =
vertex_shader->GetSamplerBindings(vertex_sampler_count);
uint32_t texture_count = pixel_texture_count + vertex_texture_count;
uint32_t sampler_count = pixel_sampler_count + vertex_sampler_count;
// Begin updating descriptors.
bool write_common_constant_views = false;
bool write_fetch_constant_view = false;
bool write_vertex_float_constant_views = false;
bool write_pixel_float_constant_views = false;
// TODO(Triang3l): Update textures and samplers only if shaders or binding
// hash change.
bool write_textures = texture_count != 0;
bool write_samplers = sampler_count != 0;
// Update constant buffers.
if (!cbuffer_bindings_system_.up_to_date) {
uint8_t* system_constants = constant_buffer_pool_->RequestFull(
xe::align(uint32_t(sizeof(system_constants_)), 256u), nullptr, nullptr,
&cbuffer_bindings_system_.buffer_address);
if (system_constants == nullptr) {
return false;
}
std::memcpy(system_constants, &system_constants_,
sizeof(system_constants_));
cbuffer_bindings_system_.up_to_date = true;
write_common_constant_views = true;
}
if (!cbuffer_bindings_bool_loop_.up_to_date) {
uint32_t* bool_loop_constants =
reinterpret_cast<uint32_t*>(constant_buffer_pool_->RequestFull(
768, nullptr, nullptr,
&cbuffer_bindings_bool_loop_.buffer_address));
if (bool_loop_constants == nullptr) {
return false;
}
// Bool and loop constants are quadrupled to allow dynamic indexing.
for (uint32_t i = 0; i < 40; ++i) {
uint32_t bool_loop_constant =
regs[XE_GPU_REG_SHADER_CONSTANT_BOOL_000_031 + i].u32;
uint32_t* bool_loop_constant_vector = bool_loop_constants + (i << 2);
bool_loop_constant_vector[0] = bool_loop_constant;
bool_loop_constant_vector[1] = bool_loop_constant;
bool_loop_constant_vector[2] = bool_loop_constant;
bool_loop_constant_vector[3] = bool_loop_constant;
}
cbuffer_bindings_bool_loop_.up_to_date = true;
write_common_constant_views = true;
}
if (!cbuffer_bindings_fetch_.up_to_date) {
uint8_t* fetch_constants = constant_buffer_pool_->RequestFull(
768, nullptr, nullptr, &cbuffer_bindings_fetch_.buffer_address);
if (fetch_constants == nullptr) {
return false;
}
std::memcpy(fetch_constants,
&regs[XE_GPU_REG_SHADER_CONSTANT_FETCH_00_0].u32,
32 * 6 * sizeof(uint32_t));
cbuffer_bindings_fetch_.up_to_date = true;
write_fetch_constant_view = true;
}
for (uint32_t i = 0; i < 16; ++i) {
ConstantBufferBinding& float_binding = cbuffer_bindings_float_[i];
if (float_binding.up_to_date) {
continue;
}
uint8_t* float_constants = constant_buffer_pool_->RequestFull(
512, nullptr, nullptr, &float_binding.buffer_address);
if (float_constants == nullptr) {
return false;
}
std::memcpy(float_constants,
&regs[XE_GPU_REG_SHADER_CONSTANT_000_X + (i << 7)].f32,
32 * 4 * sizeof(uint32_t));
float_binding.up_to_date = true;
if (i < 8) {
write_vertex_float_constant_views = true;
} else {
write_pixel_float_constant_views = true;
}
}
// Allocate the descriptors.
uint32_t view_count_partial_update = 0;
if (write_common_constant_views) {
// System and bool/loop constants.
view_count_partial_update += 2;
}
if (write_fetch_constant_view) {
// Fetch constants.
++view_count_partial_update;
}
if (write_vertex_float_constant_views) {
// Vertex float constants.
view_count_partial_update += 8;
}
if (write_pixel_float_constant_views) {
// Pixel float constants.
view_count_partial_update += 8;
}
if (write_textures) {
view_count_partial_update += texture_count;
}
// All the constants + shared memory + textures.
uint32_t view_count_full_update = 20 + texture_count;
D3D12_CPU_DESCRIPTOR_HANDLE view_cpu_handle;
D3D12_GPU_DESCRIPTOR_HANDLE view_gpu_handle;
uint32_t descriptor_size_view = provider->GetViewDescriptorSize();
uint64_t view_full_update_index = RequestViewDescriptors(
draw_view_full_update_, view_count_partial_update, view_count_full_update,
view_cpu_handle, view_gpu_handle);
if (view_full_update_index == 0) {
XELOGE("Failed to allocate view descriptors!");
return false;
}
D3D12_CPU_DESCRIPTOR_HANDLE sampler_cpu_handle = {};
D3D12_GPU_DESCRIPTOR_HANDLE sampler_gpu_handle = {};
uint32_t descriptor_size_sampler = provider->GetSamplerDescriptorSize();
uint64_t sampler_full_update_index = 0;
if (sampler_count != 0) {
sampler_full_update_index = RequestSamplerDescriptors(
draw_sampler_full_update_, write_samplers ? sampler_count : 0,
sampler_count, sampler_cpu_handle, sampler_gpu_handle);
if (sampler_full_update_index == 0) {
XELOGE("Failed to allocate sampler descriptors!");
return false;
}
}
if (draw_view_full_update_ != view_full_update_index) {
// Need to update all view descriptors.
draw_view_full_update_ = view_full_update_index;
write_common_constant_views = true;
write_fetch_constant_view = true;
write_vertex_float_constant_views = true;
write_pixel_float_constant_views = true;
write_textures = texture_count != 0;
// If updating fully, write the shared memory descriptor (t0, space1).
shared_memory_->CreateSRV(view_cpu_handle);
gpu_handle_shared_memory_ = view_gpu_handle;
view_cpu_handle.ptr += descriptor_size_view;
view_gpu_handle.ptr += descriptor_size_view;
current_graphics_root_up_to_date_ &= ~(1u << kRootParameter_SharedMemory);
}
if (sampler_count != 0 &&
draw_sampler_full_update_ != sampler_full_update_index) {
draw_sampler_full_update_ = sampler_full_update_index;
write_samplers = true;
}
// Write the descriptors.
D3D12_CONSTANT_BUFFER_VIEW_DESC constant_buffer_desc;
if (write_common_constant_views) {
gpu_handle_common_constants_ = view_gpu_handle;
// System constants (b0).
constant_buffer_desc.BufferLocation =
cbuffer_bindings_system_.buffer_address;
constant_buffer_desc.SizeInBytes =
xe::align(uint32_t(sizeof(system_constants_)), 256u);
device->CreateConstantBufferView(&constant_buffer_desc, view_cpu_handle);
view_cpu_handle.ptr += descriptor_size_view;
view_gpu_handle.ptr += descriptor_size_view;
// Bool/loop constants (b1).
constant_buffer_desc.BufferLocation =
cbuffer_bindings_bool_loop_.buffer_address;
constant_buffer_desc.SizeInBytes = 768;
device->CreateConstantBufferView(&constant_buffer_desc, view_cpu_handle);
view_cpu_handle.ptr += descriptor_size_view;
view_gpu_handle.ptr += descriptor_size_view;
current_graphics_root_up_to_date_ &=
~(1u << kRootParameter_CommonConstants);
}
if (write_fetch_constant_view) {
gpu_handle_fetch_constants_ = view_gpu_handle;
// Fetch constants (b2).
constant_buffer_desc.BufferLocation =
cbuffer_bindings_fetch_.buffer_address;
constant_buffer_desc.SizeInBytes = 768;
device->CreateConstantBufferView(&constant_buffer_desc, view_cpu_handle);
view_cpu_handle.ptr += descriptor_size_view;
view_gpu_handle.ptr += descriptor_size_view;
current_graphics_root_up_to_date_ &= ~(1u << kRootParameter_FetchConstants);
}
if (write_vertex_float_constant_views) {
gpu_handle_vertex_float_constants_ = view_gpu_handle;
// Vertex float constants (b3-b10).
for (uint32_t i = 0; i < 8; ++i) {
constant_buffer_desc.BufferLocation =
cbuffer_bindings_float_[i].buffer_address;
constant_buffer_desc.SizeInBytes = 512;
device->CreateConstantBufferView(&constant_buffer_desc, view_cpu_handle);
view_cpu_handle.ptr += descriptor_size_view;
view_gpu_handle.ptr += descriptor_size_view;
}
current_graphics_root_up_to_date_ &=
~(1u << kRootParameter_VertexFloatConstants);
}
if (write_pixel_float_constant_views) {
gpu_handle_pixel_float_constants_ = view_gpu_handle;
// Pixel float constants (b3-b10).
for (uint32_t i = 0; i < 8; ++i) {
constant_buffer_desc.BufferLocation =
cbuffer_bindings_float_[8 + i].buffer_address;
constant_buffer_desc.SizeInBytes = 512;
device->CreateConstantBufferView(&constant_buffer_desc, view_cpu_handle);
view_cpu_handle.ptr += descriptor_size_view;
view_gpu_handle.ptr += descriptor_size_view;
}
current_graphics_root_up_to_date_ &=
~(1u << kRootParameter_PixelFloatConstants);
}
if (write_textures) {
if (pixel_texture_count != 0) {
assert_true(current_graphics_root_extras_.pixel_textures !=
RootExtraParameterIndices::kUnavailable);
gpu_handle_pixel_textures_ = view_gpu_handle;
for (uint32_t i = 0; i < pixel_texture_count; ++i) {
const D3D12Shader::TextureSRV& srv = pixel_textures[i];
texture_cache_->WriteTextureSRV(srv.fetch_constant, srv.dimension,
view_cpu_handle);
view_cpu_handle.ptr += descriptor_size_view;
view_gpu_handle.ptr += descriptor_size_view;
}
current_graphics_root_up_to_date_ &=
~(1u << current_graphics_root_extras_.pixel_textures);
}
if (vertex_texture_count != 0) {
assert_true(current_graphics_root_extras_.vertex_textures !=
RootExtraParameterIndices::kUnavailable);
gpu_handle_vertex_textures_ = view_gpu_handle;
for (uint32_t i = 0; i < vertex_texture_count; ++i) {
const D3D12Shader::TextureSRV& srv = vertex_textures[i];
texture_cache_->WriteTextureSRV(srv.fetch_constant, srv.dimension,
view_cpu_handle);
view_cpu_handle.ptr += descriptor_size_view;
view_gpu_handle.ptr += descriptor_size_view;
}
current_graphics_root_up_to_date_ &=
~(1u << current_graphics_root_extras_.vertex_textures);
}
}
if (write_samplers) {
if (pixel_sampler_count != 0) {
assert_true(current_graphics_root_extras_.pixel_samplers !=
RootExtraParameterIndices::kUnavailable);
gpu_handle_pixel_samplers_ = sampler_gpu_handle;
for (uint32_t i = 0; i < pixel_sampler_count; ++i) {
const D3D12Shader::SamplerBinding& sampler = pixel_samplers[i];
texture_cache_->WriteSampler(sampler.fetch_constant, sampler.mag_filter,
sampler.min_filter, sampler.mip_filter,
sampler.aniso_filter, sampler_cpu_handle);
sampler_cpu_handle.ptr += descriptor_size_sampler;
sampler_gpu_handle.ptr += descriptor_size_sampler;
}
current_graphics_root_up_to_date_ &=
~(1u << current_graphics_root_extras_.pixel_samplers);
}
if (vertex_sampler_count != 0) {
assert_true(current_graphics_root_extras_.vertex_samplers !=
RootExtraParameterIndices::kUnavailable);
gpu_handle_vertex_samplers_ = sampler_gpu_handle;
for (uint32_t i = 0; i < vertex_sampler_count; ++i) {
const D3D12Shader::SamplerBinding& sampler = vertex_samplers[i];
texture_cache_->WriteSampler(sampler.fetch_constant, sampler.mag_filter,
sampler.min_filter, sampler.mip_filter,
sampler.aniso_filter, sampler_cpu_handle);
sampler_cpu_handle.ptr += descriptor_size_sampler;
sampler_gpu_handle.ptr += descriptor_size_sampler;
}
current_graphics_root_up_to_date_ &=
~(1u << current_graphics_root_extras_.vertex_samplers);
}
}
// Update the root parameters.
if (!(current_graphics_root_up_to_date_ &
(1u << kRootParameter_FetchConstants))) {
command_list->SetGraphicsRootDescriptorTable(kRootParameter_FetchConstants,
gpu_handle_fetch_constants_);
current_graphics_root_up_to_date_ |= 1u << kRootParameter_FetchConstants;
}
if (!(current_graphics_root_up_to_date_ &
(1u << kRootParameter_VertexFloatConstants))) {
command_list->SetGraphicsRootDescriptorTable(
kRootParameter_VertexFloatConstants,
gpu_handle_vertex_float_constants_);
current_graphics_root_up_to_date_ |= 1u
<< kRootParameter_VertexFloatConstants;
}
if (!(current_graphics_root_up_to_date_ &
(1u << kRootParameter_PixelFloatConstants))) {
command_list->SetGraphicsRootDescriptorTable(
kRootParameter_PixelFloatConstants, gpu_handle_pixel_float_constants_);
current_graphics_root_up_to_date_ |= 1u
<< kRootParameter_PixelFloatConstants;
}
if (!(current_graphics_root_up_to_date_ &
(1u << kRootParameter_CommonConstants))) {
command_list->SetGraphicsRootDescriptorTable(kRootParameter_CommonConstants,
gpu_handle_common_constants_);
current_graphics_root_up_to_date_ |= 1u << kRootParameter_CommonConstants;
}
if (!(current_graphics_root_up_to_date_ &
(1u << kRootParameter_SharedMemory))) {
command_list->SetGraphicsRootDescriptorTable(kRootParameter_SharedMemory,
gpu_handle_shared_memory_);
current_graphics_root_up_to_date_ |= 1u << kRootParameter_SharedMemory;
}
uint32_t extra_index;
extra_index = current_graphics_root_extras_.pixel_textures;
if (extra_index != RootExtraParameterIndices::kUnavailable &&
!(current_graphics_root_up_to_date_ & (1u << extra_index))) {
command_list->SetGraphicsRootDescriptorTable(extra_index,
gpu_handle_pixel_textures_);
current_graphics_root_up_to_date_ |= 1u << extra_index;
}
extra_index = current_graphics_root_extras_.pixel_samplers;
if (extra_index != RootExtraParameterIndices::kUnavailable &&
!(current_graphics_root_up_to_date_ & (1u << extra_index))) {
command_list->SetGraphicsRootDescriptorTable(extra_index,
gpu_handle_pixel_samplers_);
current_graphics_root_up_to_date_ |= 1u << extra_index;
}
extra_index = current_graphics_root_extras_.vertex_textures;
if (extra_index != RootExtraParameterIndices::kUnavailable &&
!(current_graphics_root_up_to_date_ & (1u << extra_index))) {
command_list->SetGraphicsRootDescriptorTable(extra_index,
gpu_handle_vertex_textures_);
current_graphics_root_up_to_date_ |= 1u << extra_index;
}
extra_index = current_graphics_root_extras_.vertex_samplers;
if (extra_index != RootExtraParameterIndices::kUnavailable &&
!(current_graphics_root_up_to_date_ & (1u << extra_index))) {
command_list->SetGraphicsRootDescriptorTable(extra_index,
gpu_handle_vertex_samplers_);
current_graphics_root_up_to_date_ |= 1u << extra_index;
}
return true;
}
} // namespace d3d12
} // namespace gpu
} // namespace xe
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