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Duckstation/src/frontend-common/d3d11_host_display.cpp
Connor McLaughlin 0b3461338c HostDisplay: Use streaming for sw renderer display
2022-09-13 17:50:42 +10:00

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#include "d3d11_host_display.h"
#include "common/assert.h"
#include "common/d3d11/shader_cache.h"
#include "common/d3d11/shader_compiler.h"
#include "common/log.h"
#include "common/string_util.h"
#include "common_host.h"
#include "core/host_settings.h"
#include "core/settings.h"
#include "core/shader_cache_version.h"
#include "display_ps.hlsl.h"
#include "display_ps_alpha.hlsl.h"
#include "display_vs.hlsl.h"
#include "imgui.h"
#include "imgui_impl_dx11.h"
#include "postprocessing_shadergen.h"
#include <array>
#include <dxgi1_5.h>
Log_SetChannel(D3D11HostDisplay);
#pragma comment(lib, "d3d11.lib")
#pragma comment(lib, "dxgi.lib")
namespace FrontendCommon {
class D3D11HostDisplayTexture final : public HostDisplayTexture
{
public:
D3D11HostDisplayTexture(D3D11::Texture texture, HostDisplayPixelFormat format, bool dynamic)
: m_texture(std::move(texture)), m_format(format), m_dynamic(dynamic)
{
}
~D3D11HostDisplayTexture() override = default;
void* GetHandle() const override { return m_texture.GetD3DSRV(); }
u32 GetWidth() const override { return m_texture.GetWidth(); }
u32 GetHeight() const override { return m_texture.GetHeight(); }
u32 GetLayers() const override { return 1; }
u32 GetLevels() const override { return m_texture.GetLevels(); }
u32 GetSamples() const override { return m_texture.GetSamples(); }
HostDisplayPixelFormat GetFormat() const override { return m_format; }
bool BeginUpdate(u32 width, u32 height, void** out_buffer, u32* out_pitch) override
{
if (!m_dynamic || m_texture.GetWidth() != width || m_texture.GetHeight() != height)
return false;
D3D11_MAPPED_SUBRESOURCE sr;
HRESULT hr = static_cast<ID3D11DeviceContext*>(g_host_display->GetRenderContext())
->Map(m_texture, 0, D3D11_MAP_WRITE_DISCARD, 0, &sr);
if (FAILED(hr))
{
Log_ErrorPrintf("Map pixels texture failed: %08X", hr);
return false;
}
*out_buffer = sr.pData;
*out_pitch = sr.RowPitch;
return true;
}
void EndUpdate(u32 x, u32 y, u32 width, u32 height)
{
static_cast<ID3D11DeviceContext*>(g_host_display->GetRenderContext())->Unmap(m_texture, 0);
}
bool Update(u32 x, u32 y, u32 width, u32 height, const void* data, u32 pitch) override
{
if (m_dynamic)
return HostDisplayTexture::Update(x, y, width, height, data, pitch);
const CD3D11_BOX dst_box(x, y, 0, x + width, y + height, 1);
static_cast<ID3D11DeviceContext*>(g_host_display->GetRenderContext())
->UpdateSubresource(m_texture, 0, &dst_box, data, pitch, pitch * height);
return true;
}
ALWAYS_INLINE ID3D11Texture2D* GetD3DTexture() const { return m_texture.GetD3DTexture(); }
ALWAYS_INLINE ID3D11ShaderResourceView* GetD3DSRV() const { return m_texture.GetD3DSRV(); }
ALWAYS_INLINE ID3D11ShaderResourceView* const* GetD3DSRVArray() const { return m_texture.GetD3DSRVArray(); }
ALWAYS_INLINE bool IsDynamic() const { return m_dynamic; }
private:
D3D11::Texture m_texture;
HostDisplayPixelFormat m_format;
bool m_dynamic;
};
D3D11HostDisplay::D3D11HostDisplay() = default;
D3D11HostDisplay::~D3D11HostDisplay()
{
AssertMsg(!m_context, "Context should have been destroyed by now");
AssertMsg(!m_swap_chain, "Swap chain should have been destroyed by now");
}
RenderAPI D3D11HostDisplay::GetRenderAPI() const
{
return RenderAPI::D3D11;
}
void* D3D11HostDisplay::GetRenderDevice() const
{
return m_device.Get();
}
void* D3D11HostDisplay::GetRenderContext() const
{
return m_context.Get();
}
bool D3D11HostDisplay::HasRenderDevice() const
{
return static_cast<bool>(m_device);
}
bool D3D11HostDisplay::HasRenderSurface() const
{
return static_cast<bool>(m_swap_chain);
}
static constexpr std::array<DXGI_FORMAT, static_cast<u32>(HostDisplayPixelFormat::Count)>
s_display_pixel_format_mapping = {{DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM,
DXGI_FORMAT_B5G6R5_UNORM, DXGI_FORMAT_B5G5R5A1_UNORM}};
std::unique_ptr<HostDisplayTexture> D3D11HostDisplay::CreateTexture(u32 width, u32 height, u32 layers, u32 levels,
u32 samples, HostDisplayPixelFormat format,
const void* data, u32 data_stride,
bool dynamic /* = false */)
{
if (layers != 1)
return {};
D3D11::Texture tex;
if (!tex.Create(m_device.Get(), width, height, levels, samples,
s_display_pixel_format_mapping[static_cast<u32>(format)], D3D11_BIND_SHADER_RESOURCE, data,
data_stride, dynamic))
{
return {};
}
return std::make_unique<D3D11HostDisplayTexture>(std::move(tex), format, dynamic);
}
bool D3D11HostDisplay::DownloadTexture(const void* texture_handle, HostDisplayPixelFormat texture_format, u32 x, u32 y,
u32 width, u32 height, void* out_data, u32 out_data_stride)
{
ID3D11ShaderResourceView* srv =
const_cast<ID3D11ShaderResourceView*>(static_cast<const ID3D11ShaderResourceView*>(texture_handle));
ComPtr<ID3D11Resource> srv_resource;
D3D11_SHADER_RESOURCE_VIEW_DESC srv_desc;
srv->GetResource(srv_resource.GetAddressOf());
srv->GetDesc(&srv_desc);
if (!m_readback_staging_texture.EnsureSize(m_context.Get(), width, height, srv_desc.Format, false))
return false;
m_readback_staging_texture.CopyFromTexture(m_context.Get(), srv_resource.Get(), 0, x, y, 0, 0, width, height);
if (srv_desc.Format == DXGI_FORMAT_B5G6R5_UNORM || srv_desc.Format == DXGI_FORMAT_B5G5R5A1_UNORM)
{
return m_readback_staging_texture.ReadPixels<u16>(m_context.Get(), 0, 0, width, height, out_data_stride,
static_cast<u16*>(out_data));
}
else
{
return m_readback_staging_texture.ReadPixels<u32>(m_context.Get(), 0, 0, width, height, out_data_stride,
static_cast<u32*>(out_data));
}
}
bool D3D11HostDisplay::SupportsDisplayPixelFormat(HostDisplayPixelFormat format) const
{
const DXGI_FORMAT dfmt = s_display_pixel_format_mapping[static_cast<u32>(format)];
if (dfmt == DXGI_FORMAT_UNKNOWN)
return false;
UINT support = 0;
const UINT required = D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_SHADER_SAMPLE;
return (SUCCEEDED(m_device->CheckFormatSupport(dfmt, &support)) && ((support & required) == required));
}
bool D3D11HostDisplay::GetHostRefreshRate(float* refresh_rate)
{
if (m_swap_chain && IsFullscreen())
{
DXGI_SWAP_CHAIN_DESC desc;
if (SUCCEEDED(m_swap_chain->GetDesc(&desc)) && desc.BufferDesc.RefreshRate.Numerator > 0 &&
desc.BufferDesc.RefreshRate.Denominator > 0)
{
Log_InfoPrintf("using fs rr: %u %u", desc.BufferDesc.RefreshRate.Numerator,
desc.BufferDesc.RefreshRate.Denominator);
*refresh_rate = static_cast<float>(desc.BufferDesc.RefreshRate.Numerator) /
static_cast<float>(desc.BufferDesc.RefreshRate.Denominator);
return true;
}
}
return HostDisplay::GetHostRefreshRate(refresh_rate);
}
void D3D11HostDisplay::SetVSync(bool enabled)
{
m_vsync = enabled;
}
bool D3D11HostDisplay::CreateRenderDevice(const WindowInfo& wi, std::string_view adapter_name, bool debug_device,
bool threaded_presentation)
{
UINT create_flags = 0;
if (debug_device)
create_flags |= D3D11_CREATE_DEVICE_DEBUG;
ComPtr<IDXGIFactory> temp_dxgi_factory;
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
HRESULT hr = CreateDXGIFactory(IID_PPV_ARGS(temp_dxgi_factory.GetAddressOf()));
#else
HRESULT hr = CreateDXGIFactory2(0, IID_PPV_ARGS(temp_dxgi_factory.GetAddressOf()));
#endif
if (FAILED(hr))
{
Log_ErrorPrintf("Failed to create DXGI factory: 0x%08X", hr);
return false;
}
u32 adapter_index;
if (!adapter_name.empty())
{
AdapterAndModeList adapter_info(GetAdapterAndModeList(temp_dxgi_factory.Get()));
for (adapter_index = 0; adapter_index < static_cast<u32>(adapter_info.adapter_names.size()); adapter_index++)
{
if (adapter_name == adapter_info.adapter_names[adapter_index])
break;
}
if (adapter_index == static_cast<u32>(adapter_info.adapter_names.size()))
{
Log_WarningPrintf("Could not find adapter '%s', using first (%s)", std::string(adapter_name).c_str(),
adapter_info.adapter_names[0].c_str());
adapter_index = 0;
}
}
else
{
Log_InfoPrintf("No adapter selected, using first.");
adapter_index = 0;
}
ComPtr<IDXGIAdapter> dxgi_adapter;
hr = temp_dxgi_factory->EnumAdapters(adapter_index, dxgi_adapter.GetAddressOf());
if (FAILED(hr))
Log_WarningPrintf("Failed to enumerate adapter %u, using default", adapter_index);
static constexpr std::array<D3D_FEATURE_LEVEL, 3> requested_feature_levels = {
{D3D_FEATURE_LEVEL_11_0, D3D_FEATURE_LEVEL_10_1, D3D_FEATURE_LEVEL_10_0}};
hr =
D3D11CreateDevice(dxgi_adapter.Get(), dxgi_adapter ? D3D_DRIVER_TYPE_UNKNOWN : D3D_DRIVER_TYPE_HARDWARE, nullptr,
create_flags, requested_feature_levels.data(), static_cast<UINT>(requested_feature_levels.size()),
D3D11_SDK_VERSION, m_device.GetAddressOf(), nullptr, m_context.GetAddressOf());
// we re-grab these later, see below
dxgi_adapter.Reset();
temp_dxgi_factory.Reset();
if (FAILED(hr))
{
Log_ErrorPrintf("Failed to create D3D device: 0x%08X", hr);
return false;
}
if (debug_device && IsDebuggerPresent())
{
ComPtr<ID3D11InfoQueue> info;
hr = m_device.As(&info);
if (SUCCEEDED(hr))
{
info->SetBreakOnSeverity(D3D11_MESSAGE_SEVERITY_ERROR, TRUE);
info->SetBreakOnSeverity(D3D11_MESSAGE_SEVERITY_WARNING, TRUE);
}
}
// we need the specific factory for the device, otherwise MakeWindowAssociation() is flaky.
ComPtr<IDXGIDevice> dxgi_device;
if (FAILED(m_device.As(&dxgi_device)) || FAILED(dxgi_device->GetParent(IID_PPV_ARGS(dxgi_adapter.GetAddressOf()))) ||
FAILED(dxgi_adapter->GetParent(IID_PPV_ARGS(m_dxgi_factory.GetAddressOf()))))
{
Log_WarningPrint("Failed to get parent adapter/device/factory");
return false;
}
ComPtr<IDXGIDevice1> dxgi_device1;
if (SUCCEEDED(dxgi_device.As(&dxgi_device1)))
dxgi_device1->SetMaximumFrameLatency(1);
DXGI_ADAPTER_DESC adapter_desc;
if (SUCCEEDED(dxgi_adapter->GetDesc(&adapter_desc)))
{
char adapter_name_buffer[128];
const int name_length =
WideCharToMultiByte(CP_UTF8, 0, adapter_desc.Description, static_cast<int>(std::wcslen(adapter_desc.Description)),
adapter_name_buffer, countof(adapter_name_buffer), 0, nullptr);
if (name_length >= 0)
{
adapter_name_buffer[name_length] = 0;
Log_InfoPrintf("D3D Adapter: %s", adapter_name_buffer);
}
}
m_allow_tearing_supported = false;
ComPtr<IDXGIFactory5> dxgi_factory5;
hr = m_dxgi_factory.As(&dxgi_factory5);
if (SUCCEEDED(hr))
{
BOOL allow_tearing_supported = false;
hr = dxgi_factory5->CheckFeatureSupport(DXGI_FEATURE_PRESENT_ALLOW_TEARING, &allow_tearing_supported,
sizeof(allow_tearing_supported));
if (SUCCEEDED(hr))
m_allow_tearing_supported = (allow_tearing_supported == TRUE);
}
m_window_info = wi;
if (m_window_info.type != WindowInfo::Type::Surfaceless && !CreateSwapChain(nullptr))
{
m_window_info = {};
return false;
}
return true;
}
bool D3D11HostDisplay::InitializeRenderDevice(std::string_view shader_cache_directory, bool debug_device,
bool threaded_presentation)
{
if (!CreateResources())
return false;
return true;
}
void D3D11HostDisplay::DestroyRenderDevice()
{
DestroyResources();
DestroyRenderSurface();
m_context.Reset();
m_device.Reset();
}
bool D3D11HostDisplay::MakeRenderContextCurrent()
{
return true;
}
bool D3D11HostDisplay::DoneRenderContextCurrent()
{
return true;
}
bool D3D11HostDisplay::CreateSwapChain(const DXGI_MODE_DESC* fullscreen_mode)
{
HRESULT hr;
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
if (m_window_info.type != WindowInfo::Type::Win32)
return false;
m_using_flip_model_swap_chain = fullscreen_mode || !Host::GetBoolSettingValue("Display", "UseBlitSwapChain", false);
const HWND window_hwnd = reinterpret_cast<HWND>(m_window_info.window_handle);
RECT client_rc{};
GetClientRect(window_hwnd, &client_rc);
const u32 width = static_cast<u32>(client_rc.right - client_rc.left);
const u32 height = static_cast<u32>(client_rc.bottom - client_rc.top);
DXGI_SWAP_CHAIN_DESC swap_chain_desc = {};
swap_chain_desc.BufferDesc.Width = width;
swap_chain_desc.BufferDesc.Height = height;
swap_chain_desc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swap_chain_desc.SampleDesc.Count = 1;
swap_chain_desc.BufferCount = 2;
swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swap_chain_desc.OutputWindow = window_hwnd;
swap_chain_desc.Windowed = TRUE;
swap_chain_desc.SwapEffect = m_using_flip_model_swap_chain ? DXGI_SWAP_EFFECT_FLIP_DISCARD : DXGI_SWAP_EFFECT_DISCARD;
m_using_allow_tearing = (m_allow_tearing_supported && m_using_flip_model_swap_chain && !fullscreen_mode);
if (m_using_allow_tearing)
swap_chain_desc.Flags |= DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING;
if (fullscreen_mode)
{
swap_chain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
swap_chain_desc.Windowed = FALSE;
swap_chain_desc.BufferDesc = *fullscreen_mode;
}
Log_InfoPrintf("Creating a %dx%d %s %s swap chain", swap_chain_desc.BufferDesc.Width,
swap_chain_desc.BufferDesc.Height, m_using_flip_model_swap_chain ? "flip-discard" : "discard",
swap_chain_desc.Windowed ? "windowed" : "full-screen");
hr = m_dxgi_factory->CreateSwapChain(m_device.Get(), &swap_chain_desc, m_swap_chain.GetAddressOf());
if (FAILED(hr) && m_using_flip_model_swap_chain)
{
Log_WarningPrintf("Failed to create a flip-discard swap chain, trying discard.");
swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
swap_chain_desc.Flags = 0;
m_using_flip_model_swap_chain = false;
m_using_allow_tearing = false;
hr = m_dxgi_factory->CreateSwapChain(m_device.Get(), &swap_chain_desc, m_swap_chain.GetAddressOf());
if (FAILED(hr))
{
Log_ErrorPrintf("CreateSwapChain failed: 0x%08X", hr);
return false;
}
}
ComPtr<IDXGIFactory> dxgi_factory;
hr = m_swap_chain->GetParent(IID_PPV_ARGS(dxgi_factory.GetAddressOf()));
if (SUCCEEDED(hr))
{
hr = dxgi_factory->MakeWindowAssociation(swap_chain_desc.OutputWindow, DXGI_MWA_NO_WINDOW_CHANGES);
if (FAILED(hr))
Log_WarningPrintf("MakeWindowAssociation() to disable ALT+ENTER failed");
}
#else
if (m_window_info.type != WindowInfo::Type::WinRT)
return false;
ComPtr<IDXGIFactory2> factory2;
hr = m_dxgi_factory.As(&factory2);
if (FAILED(hr))
{
Log_ErrorPrintf("Failed to get DXGI factory: %08X", hr);
return false;
}
DXGI_SWAP_CHAIN_DESC1 swap_chain_desc = {};
swap_chain_desc.Width = m_window_info.surface_width;
swap_chain_desc.Height = m_window_info.surface_height;
swap_chain_desc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swap_chain_desc.SampleDesc.Count = 1;
swap_chain_desc.BufferCount = 3;
swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swap_chain_desc.SwapEffect = m_using_flip_model_swap_chain ? DXGI_SWAP_EFFECT_FLIP_DISCARD : DXGI_SWAP_EFFECT_DISCARD;
m_using_allow_tearing = (m_allow_tearing_supported && m_using_flip_model_swap_chain && !fullscreen_mode);
if (m_using_allow_tearing)
swap_chain_desc.Flags |= DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING;
ComPtr<IDXGISwapChain1> swap_chain1;
hr = factory2->CreateSwapChainForCoreWindow(m_device.Get(), static_cast<IUnknown*>(m_window_info.window_handle),
&swap_chain_desc, nullptr, swap_chain1.GetAddressOf());
if (FAILED(hr))
{
Log_ErrorPrintf("CreateSwapChainForCoreWindow failed: 0x%08X", hr);
return false;
}
m_swap_chain = swap_chain1;
#endif
return CreateSwapChainRTV();
}
bool D3D11HostDisplay::CreateSwapChainRTV()
{
ComPtr<ID3D11Texture2D> backbuffer;
HRESULT hr = m_swap_chain->GetBuffer(0, IID_PPV_ARGS(backbuffer.GetAddressOf()));
if (FAILED(hr))
{
Log_ErrorPrintf("GetBuffer for RTV failed: 0x%08X", hr);
return false;
}
D3D11_TEXTURE2D_DESC backbuffer_desc;
backbuffer->GetDesc(&backbuffer_desc);
CD3D11_RENDER_TARGET_VIEW_DESC rtv_desc(D3D11_RTV_DIMENSION_TEXTURE2D, backbuffer_desc.Format, 0, 0,
backbuffer_desc.ArraySize);
hr = m_device->CreateRenderTargetView(backbuffer.Get(), &rtv_desc, m_swap_chain_rtv.GetAddressOf());
if (FAILED(hr))
{
Log_ErrorPrintf("CreateRenderTargetView for swap chain failed: 0x%08X", hr);
return false;
}
m_window_info.surface_width = backbuffer_desc.Width;
m_window_info.surface_height = backbuffer_desc.Height;
Log_InfoPrintf("Swap chain buffer size: %ux%u", m_window_info.surface_width, m_window_info.surface_height);
if (m_window_info.type == WindowInfo::Type::Win32)
{
BOOL fullscreen = FALSE;
DXGI_SWAP_CHAIN_DESC desc;
if (SUCCEEDED(m_swap_chain->GetFullscreenState(&fullscreen, nullptr)) && fullscreen &&
SUCCEEDED(m_swap_chain->GetDesc(&desc)))
{
m_window_info.surface_refresh_rate = static_cast<float>(desc.BufferDesc.RefreshRate.Numerator) /
static_cast<float>(desc.BufferDesc.RefreshRate.Denominator);
}
else
{
m_window_info.surface_refresh_rate = 0.0f;
}
}
return true;
}
bool D3D11HostDisplay::ChangeRenderWindow(const WindowInfo& new_wi)
{
DestroyRenderSurface();
m_window_info = new_wi;
return CreateSwapChain(nullptr);
}
void D3D11HostDisplay::DestroyRenderSurface()
{
if (IsFullscreen())
SetFullscreen(false, 0, 0, 0.0f);
m_swap_chain_rtv.Reset();
m_swap_chain.Reset();
}
void D3D11HostDisplay::ResizeRenderWindow(s32 new_window_width, s32 new_window_height)
{
if (!m_swap_chain)
return;
m_swap_chain_rtv.Reset();
HRESULT hr = m_swap_chain->ResizeBuffers(0, 0, 0, DXGI_FORMAT_UNKNOWN,
m_using_allow_tearing ? DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING : 0);
if (FAILED(hr))
Log_ErrorPrintf("ResizeBuffers() failed: 0x%08X", hr);
if (!CreateSwapChainRTV())
Panic("Failed to recreate swap chain RTV after resize");
}
bool D3D11HostDisplay::SupportsFullscreen() const
{
return true;
}
bool D3D11HostDisplay::IsFullscreen()
{
BOOL is_fullscreen = FALSE;
return (m_swap_chain && SUCCEEDED(m_swap_chain->GetFullscreenState(&is_fullscreen, nullptr)) && is_fullscreen);
}
bool D3D11HostDisplay::SetFullscreen(bool fullscreen, u32 width, u32 height, float refresh_rate)
{
if (!m_swap_chain)
return false;
BOOL is_fullscreen = FALSE;
HRESULT hr = m_swap_chain->GetFullscreenState(&is_fullscreen, nullptr);
if (!fullscreen)
{
// leaving fullscreen
if (is_fullscreen)
return SUCCEEDED(m_swap_chain->SetFullscreenState(FALSE, nullptr));
else
return true;
}
IDXGIOutput* output;
if (FAILED(hr = m_swap_chain->GetContainingOutput(&output)))
return false;
DXGI_SWAP_CHAIN_DESC current_desc;
hr = m_swap_chain->GetDesc(&current_desc);
if (FAILED(hr))
return false;
DXGI_MODE_DESC new_mode = current_desc.BufferDesc;
new_mode.Width = width;
new_mode.Height = height;
new_mode.RefreshRate.Numerator = static_cast<UINT>(std::floor(refresh_rate * 1000.0f));
new_mode.RefreshRate.Denominator = 1000u;
DXGI_MODE_DESC closest_mode;
if (FAILED(hr = output->FindClosestMatchingMode(&new_mode, &closest_mode, nullptr)) ||
new_mode.Format != current_desc.BufferDesc.Format)
{
Log_ErrorPrintf("Failed to find closest matching mode, hr=%08X", hr);
return false;
}
if (new_mode.Width == current_desc.BufferDesc.Width && new_mode.Height == current_desc.BufferDesc.Height &&
new_mode.RefreshRate.Numerator == current_desc.BufferDesc.RefreshRate.Numerator &&
new_mode.RefreshRate.Denominator == current_desc.BufferDesc.RefreshRate.Denominator)
{
Log_InfoPrintf("Fullscreen mode already set");
return true;
}
m_swap_chain_rtv.Reset();
m_swap_chain.Reset();
if (!CreateSwapChain(&closest_mode))
{
Log_ErrorPrintf("Failed to create a fullscreen swap chain");
if (!CreateSwapChain(nullptr))
Panic("Failed to recreate windowed swap chain");
return false;
}
return true;
}
bool D3D11HostDisplay::CreateResources()
{
HRESULT hr;
m_display_vertex_shader =
D3D11::ShaderCompiler::CreateVertexShader(m_device.Get(), s_display_vs_bytecode, sizeof(s_display_vs_bytecode));
m_display_pixel_shader =
D3D11::ShaderCompiler::CreatePixelShader(m_device.Get(), s_display_ps_bytecode, sizeof(s_display_ps_bytecode));
m_display_alpha_pixel_shader = D3D11::ShaderCompiler::CreatePixelShader(m_device.Get(), s_display_ps_alpha_bytecode,
sizeof(s_display_ps_alpha_bytecode));
if (!m_display_vertex_shader || !m_display_pixel_shader || !m_display_alpha_pixel_shader)
return false;
if (!m_display_uniform_buffer.Create(m_device.Get(), D3D11_BIND_CONSTANT_BUFFER, DISPLAY_UNIFORM_BUFFER_SIZE))
return false;
CD3D11_RASTERIZER_DESC rasterizer_desc = CD3D11_RASTERIZER_DESC(CD3D11_DEFAULT());
rasterizer_desc.CullMode = D3D11_CULL_NONE;
hr = m_device->CreateRasterizerState(&rasterizer_desc, m_display_rasterizer_state.GetAddressOf());
if (FAILED(hr))
return false;
CD3D11_DEPTH_STENCIL_DESC depth_stencil_desc = CD3D11_DEPTH_STENCIL_DESC(CD3D11_DEFAULT());
depth_stencil_desc.DepthEnable = FALSE;
depth_stencil_desc.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ZERO;
hr = m_device->CreateDepthStencilState(&depth_stencil_desc, m_display_depth_stencil_state.GetAddressOf());
if (FAILED(hr))
return false;
CD3D11_BLEND_DESC blend_desc = CD3D11_BLEND_DESC(CD3D11_DEFAULT());
hr = m_device->CreateBlendState(&blend_desc, m_display_blend_state.GetAddressOf());
if (FAILED(hr))
return false;
blend_desc.RenderTarget[0] = {TRUE,
D3D11_BLEND_SRC_ALPHA,
D3D11_BLEND_INV_SRC_ALPHA,
D3D11_BLEND_OP_ADD,
D3D11_BLEND_ONE,
D3D11_BLEND_ZERO,
D3D11_BLEND_OP_ADD,
D3D11_COLOR_WRITE_ENABLE_ALL};
hr = m_device->CreateBlendState(&blend_desc, m_software_cursor_blend_state.GetAddressOf());
if (FAILED(hr))
return false;
CD3D11_SAMPLER_DESC sampler_desc = CD3D11_SAMPLER_DESC(CD3D11_DEFAULT());
sampler_desc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT;
hr = m_device->CreateSamplerState(&sampler_desc, m_point_sampler.GetAddressOf());
if (FAILED(hr))
return false;
sampler_desc.Filter = D3D11_FILTER_MIN_MAG_LINEAR_MIP_POINT;
hr = m_device->CreateSamplerState(&sampler_desc, m_linear_sampler.GetAddressOf());
if (FAILED(hr))
return false;
return true;
}
void D3D11HostDisplay::DestroyResources()
{
m_post_processing_chain.ClearStages();
m_post_processing_input_texture.Destroy();
m_post_processing_stages.clear();
m_display_uniform_buffer.Release();
m_linear_sampler.Reset();
m_point_sampler.Reset();
m_display_alpha_pixel_shader.Reset();
m_display_pixel_shader.Reset();
m_display_vertex_shader.Reset();
m_display_blend_state.Reset();
m_display_depth_stencil_state.Reset();
m_display_rasterizer_state.Reset();
}
bool D3D11HostDisplay::CreateImGuiContext()
{
return ImGui_ImplDX11_Init(m_device.Get(), m_context.Get());
}
void D3D11HostDisplay::DestroyImGuiContext()
{
ImGui_ImplDX11_Shutdown();
}
bool D3D11HostDisplay::UpdateImGuiFontTexture()
{
ImGui_ImplDX11_CreateFontsTexture();
return true;
}
bool D3D11HostDisplay::Render(bool skip_present)
{
if (skip_present || !m_swap_chain)
{
if (ImGui::GetCurrentContext())
ImGui::Render();
return false;
}
// When using vsync, the time here seems to include the time for the buffer to become available.
// This blows our our GPU usage number considerably, so read the timestamp before the final blit
// in this configuration. It does reduce accuracy a little, but better than seeing 100% all of
// the time, when it's more like a couple of percent.
if (m_vsync && m_gpu_timing_enabled)
PopTimestampQuery();
static constexpr std::array<float, 4> clear_color = {};
m_context->ClearRenderTargetView(m_swap_chain_rtv.Get(), clear_color.data());
m_context->OMSetRenderTargets(1, m_swap_chain_rtv.GetAddressOf(), nullptr);
RenderDisplay();
if (ImGui::GetCurrentContext())
RenderImGui();
RenderSoftwareCursor();
if (!m_vsync && m_gpu_timing_enabled)
PopTimestampQuery();
if (!m_vsync && m_using_allow_tearing)
m_swap_chain->Present(0, DXGI_PRESENT_ALLOW_TEARING);
else
m_swap_chain->Present(BoolToUInt32(m_vsync), 0);
if (m_gpu_timing_enabled)
KickTimestampQuery();
return true;
}
bool D3D11HostDisplay::RenderScreenshot(u32 width, u32 height, std::vector<u32>* out_pixels, u32* out_stride,
HostDisplayPixelFormat* out_format)
{
static constexpr DXGI_FORMAT format = DXGI_FORMAT_R8G8B8A8_UNORM;
static constexpr HostDisplayPixelFormat hdformat = HostDisplayPixelFormat::RGBA8;
D3D11::Texture render_texture;
if (!render_texture.Create(m_device.Get(), width, height, 1, 1, format, D3D11_BIND_RENDER_TARGET) ||
!m_readback_staging_texture.EnsureSize(m_context.Get(), width, height, format, false))
{
return false;
}
static constexpr std::array<float, 4> clear_color = {};
m_context->ClearRenderTargetView(render_texture.GetD3DRTV(), clear_color.data());
m_context->OMSetRenderTargets(1, render_texture.GetD3DRTVArray(), nullptr);
if (HasDisplayTexture())
{
const auto [left, top, draw_width, draw_height] = CalculateDrawRect(width, height, 0);
if (!m_post_processing_chain.IsEmpty())
{
ApplyPostProcessingChain(render_texture.GetD3DRTV(), left, top, draw_width, draw_height, m_display_texture_handle,
m_display_texture_width, m_display_texture_height, m_display_texture_view_x,
m_display_texture_view_y, m_display_texture_view_width, m_display_texture_view_height,
width, height);
}
else
{
RenderDisplay(left, top, draw_width, draw_height, m_display_texture_handle, m_display_texture_width,
m_display_texture_height, m_display_texture_view_x, m_display_texture_view_y,
m_display_texture_view_width, m_display_texture_view_height, IsUsingLinearFiltering());
}
}
m_context->OMSetRenderTargets(0, nullptr, nullptr);
m_readback_staging_texture.CopyFromTexture(m_context.Get(), render_texture, 0, 0, 0, 0, 0, width, height);
if (!m_readback_staging_texture.Map(m_context.Get(), false))
return false;
const u32 stride = sizeof(u32) * width;
out_pixels->resize(width * height);
*out_stride = stride;
*out_format = hdformat;
m_readback_staging_texture.ReadPixels<u32>(0, 0, width, height, stride, out_pixels->data());
m_readback_staging_texture.Unmap(m_context.Get());
return true;
}
void D3D11HostDisplay::RenderImGui()
{
ImGui::Render();
ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData());
}
void D3D11HostDisplay::RenderDisplay()
{
if (!HasDisplayTexture())
return;
const auto [left, top, width, height] = CalculateDrawRect(GetWindowWidth(), GetWindowHeight(), m_display_top_margin);
if (!m_post_processing_chain.IsEmpty())
{
ApplyPostProcessingChain(m_swap_chain_rtv.Get(), left, top, width, height, m_display_texture_handle,
m_display_texture_width, m_display_texture_height, m_display_texture_view_x,
m_display_texture_view_y, m_display_texture_view_width, m_display_texture_view_height,
GetWindowWidth(), GetWindowHeight());
return;
}
RenderDisplay(left, top, width, height, m_display_texture_handle, m_display_texture_width, m_display_texture_height,
m_display_texture_view_x, m_display_texture_view_y, m_display_texture_view_width,
m_display_texture_view_height, IsUsingLinearFiltering());
}
void D3D11HostDisplay::RenderDisplay(s32 left, s32 top, s32 width, s32 height, void* texture_handle, u32 texture_width,
s32 texture_height, s32 texture_view_x, s32 texture_view_y, s32 texture_view_width,
s32 texture_view_height, bool linear_filter)
{
m_context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
m_context->VSSetShader(m_display_vertex_shader.Get(), nullptr, 0);
m_context->PSSetShader(m_display_pixel_shader.Get(), nullptr, 0);
m_context->PSSetShaderResources(0, 1, reinterpret_cast<ID3D11ShaderResourceView**>(&texture_handle));
m_context->PSSetSamplers(0, 1, linear_filter ? m_linear_sampler.GetAddressOf() : m_point_sampler.GetAddressOf());
const bool linear = IsUsingLinearFiltering();
const float position_adjust = linear ? 0.5f : 0.0f;
const float size_adjust = linear ? 1.0f : 0.0f;
const float uniforms[4] = {
(static_cast<float>(texture_view_x) + position_adjust) / static_cast<float>(texture_width),
(static_cast<float>(texture_view_y) + position_adjust) / static_cast<float>(texture_height),
(static_cast<float>(texture_view_width) - size_adjust) / static_cast<float>(texture_width),
(static_cast<float>(texture_view_height) - size_adjust) / static_cast<float>(texture_height)};
const auto map = m_display_uniform_buffer.Map(m_context.Get(), m_display_uniform_buffer.GetSize(), sizeof(uniforms));
std::memcpy(map.pointer, uniforms, sizeof(uniforms));
m_display_uniform_buffer.Unmap(m_context.Get(), sizeof(uniforms));
m_context->VSSetConstantBuffers(0, 1, m_display_uniform_buffer.GetD3DBufferArray());
const CD3D11_VIEWPORT vp(static_cast<float>(left), static_cast<float>(top), static_cast<float>(width),
static_cast<float>(height));
m_context->RSSetViewports(1, &vp);
m_context->RSSetState(m_display_rasterizer_state.Get());
m_context->OMSetDepthStencilState(m_display_depth_stencil_state.Get(), 0);
m_context->OMSetBlendState(m_display_blend_state.Get(), nullptr, 0xFFFFFFFFu);
m_context->Draw(3, 0);
}
void D3D11HostDisplay::RenderSoftwareCursor()
{
if (!HasSoftwareCursor())
return;
const auto [left, top, width, height] = CalculateSoftwareCursorDrawRect();
RenderSoftwareCursor(left, top, width, height, m_cursor_texture.get());
}
void D3D11HostDisplay::RenderSoftwareCursor(s32 left, s32 top, s32 width, s32 height,
HostDisplayTexture* texture_handle)
{
m_context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
m_context->VSSetShader(m_display_vertex_shader.Get(), nullptr, 0);
m_context->PSSetShader(m_display_alpha_pixel_shader.Get(), nullptr, 0);
m_context->PSSetShaderResources(0, 1, static_cast<D3D11HostDisplayTexture*>(texture_handle)->GetD3DSRVArray());
m_context->PSSetSamplers(0, 1, m_linear_sampler.GetAddressOf());
const float uniforms[4] = {0.0f, 0.0f, 1.0f, 1.0f};
const auto map = m_display_uniform_buffer.Map(m_context.Get(), m_display_uniform_buffer.GetSize(), sizeof(uniforms));
std::memcpy(map.pointer, uniforms, sizeof(uniforms));
m_display_uniform_buffer.Unmap(m_context.Get(), sizeof(uniforms));
m_context->VSSetConstantBuffers(0, 1, m_display_uniform_buffer.GetD3DBufferArray());
const CD3D11_VIEWPORT vp(static_cast<float>(left), static_cast<float>(top), static_cast<float>(width),
static_cast<float>(height));
m_context->RSSetViewports(1, &vp);
m_context->RSSetState(m_display_rasterizer_state.Get());
m_context->OMSetDepthStencilState(m_display_depth_stencil_state.Get(), 0);
m_context->OMSetBlendState(m_software_cursor_blend_state.Get(), nullptr, 0xFFFFFFFFu);
m_context->Draw(3, 0);
}
HostDisplay::AdapterAndModeList D3D11HostDisplay::StaticGetAdapterAndModeList()
{
ComPtr<IDXGIFactory> dxgi_factory;
#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
HRESULT hr = CreateDXGIFactory(IID_PPV_ARGS(dxgi_factory.GetAddressOf()));
#else
HRESULT hr = CreateDXGIFactory2(0, IID_PPV_ARGS(dxgi_factory.GetAddressOf()));
#endif
if (FAILED(hr))
return {};
return GetAdapterAndModeList(dxgi_factory.Get());
}
HostDisplay::AdapterAndModeList D3D11HostDisplay::GetAdapterAndModeList(IDXGIFactory* dxgi_factory)
{
AdapterAndModeList adapter_info;
ComPtr<IDXGIAdapter> current_adapter;
while (SUCCEEDED(dxgi_factory->EnumAdapters(static_cast<UINT>(adapter_info.adapter_names.size()),
current_adapter.ReleaseAndGetAddressOf())))
{
DXGI_ADAPTER_DESC adapter_desc;
std::string adapter_name;
if (SUCCEEDED(current_adapter->GetDesc(&adapter_desc)))
{
char adapter_name_buffer[128];
const int name_length = WideCharToMultiByte(CP_UTF8, 0, adapter_desc.Description,
static_cast<int>(std::wcslen(adapter_desc.Description)),
adapter_name_buffer, countof(adapter_name_buffer), 0, nullptr);
if (name_length >= 0)
adapter_name.assign(adapter_name_buffer, static_cast<size_t>(name_length));
else
adapter_name.assign("(Unknown)");
}
else
{
adapter_name.assign("(Unknown)");
}
if (adapter_info.fullscreen_modes.empty())
{
ComPtr<IDXGIOutput> output;
if (SUCCEEDED(current_adapter->EnumOutputs(0, &output)))
{
UINT num_modes = 0;
if (SUCCEEDED(output->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, 0, &num_modes, nullptr)))
{
std::vector<DXGI_MODE_DESC> modes(num_modes);
if (SUCCEEDED(output->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, 0, &num_modes, modes.data())))
{
for (const DXGI_MODE_DESC& mode : modes)
{
adapter_info.fullscreen_modes.push_back(GetFullscreenModeString(
mode.Width, mode.Height,
static_cast<float>(mode.RefreshRate.Numerator) / static_cast<float>(mode.RefreshRate.Denominator)));
}
}
}
}
}
// handle duplicate adapter names
if (std::any_of(adapter_info.adapter_names.begin(), adapter_info.adapter_names.end(),
[&adapter_name](const std::string& other) { return (adapter_name == other); }))
{
std::string original_adapter_name = std::move(adapter_name);
u32 current_extra = 2;
do
{
adapter_name = StringUtil::StdStringFromFormat("%s (%u)", original_adapter_name.c_str(), current_extra);
current_extra++;
} while (std::any_of(adapter_info.adapter_names.begin(), adapter_info.adapter_names.end(),
[&adapter_name](const std::string& other) { return (adapter_name == other); }));
}
adapter_info.adapter_names.push_back(std::move(adapter_name));
}
return adapter_info;
}
HostDisplay::AdapterAndModeList D3D11HostDisplay::GetAdapterAndModeList()
{
return GetAdapterAndModeList(m_dxgi_factory.Get());
}
bool D3D11HostDisplay::SetPostProcessingChain(const std::string_view& config)
{
if (config.empty())
{
m_post_processing_input_texture.Destroy();
m_post_processing_stages.clear();
m_post_processing_chain.ClearStages();
return true;
}
if (!m_post_processing_chain.CreateFromString(config))
return false;
m_post_processing_stages.clear();
D3D11::ShaderCache shader_cache;
shader_cache.Open(EmuFolders::Cache, m_device->GetFeatureLevel(), SHADER_CACHE_VERSION,
g_settings.gpu_use_debug_device);
FrontendCommon::PostProcessingShaderGen shadergen(RenderAPI::D3D11, true);
u32 max_ubo_size = 0;
for (u32 i = 0; i < m_post_processing_chain.GetStageCount(); i++)
{
const PostProcessingShader& shader = m_post_processing_chain.GetShaderStage(i);
const std::string vs = shadergen.GeneratePostProcessingVertexShader(shader);
const std::string ps = shadergen.GeneratePostProcessingFragmentShader(shader);
PostProcessingStage stage;
stage.uniforms_size = shader.GetUniformsSize();
stage.vertex_shader = shader_cache.GetVertexShader(m_device.Get(), vs);
stage.pixel_shader = shader_cache.GetPixelShader(m_device.Get(), ps);
if (!stage.vertex_shader || !stage.pixel_shader)
{
Log_ErrorPrintf("Failed to compile one or more post-processing shaders, disabling.");
m_post_processing_stages.clear();
m_post_processing_chain.ClearStages();
return false;
}
max_ubo_size = std::max(max_ubo_size, stage.uniforms_size);
m_post_processing_stages.push_back(std::move(stage));
}
if (m_display_uniform_buffer.GetSize() < max_ubo_size &&
!m_display_uniform_buffer.Create(m_device.Get(), D3D11_BIND_CONSTANT_BUFFER, max_ubo_size))
{
Log_ErrorPrintf("Failed to allocate %u byte constant buffer for postprocessing", max_ubo_size);
m_post_processing_stages.clear();
m_post_processing_chain.ClearStages();
return false;
}
return true;
}
bool D3D11HostDisplay::CheckPostProcessingRenderTargets(u32 target_width, u32 target_height)
{
DebugAssert(!m_post_processing_stages.empty());
const DXGI_FORMAT format = DXGI_FORMAT_R8G8B8A8_UNORM;
const u32 bind_flags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
if (m_post_processing_input_texture.GetWidth() != target_width ||
m_post_processing_input_texture.GetHeight() != target_height)
{
if (!m_post_processing_input_texture.Create(m_device.Get(), target_width, target_height, 1, 1, format, bind_flags))
return false;
}
const u32 target_count = (static_cast<u32>(m_post_processing_stages.size()) - 1);
for (u32 i = 0; i < target_count; i++)
{
PostProcessingStage& pps = m_post_processing_stages[i];
if (pps.output_texture.GetWidth() != target_width || pps.output_texture.GetHeight() != target_height)
{
if (!pps.output_texture.Create(m_device.Get(), target_width, target_height, 1, 1, format, bind_flags))
return false;
}
}
return true;
}
void D3D11HostDisplay::ApplyPostProcessingChain(ID3D11RenderTargetView* final_target, s32 final_left, s32 final_top,
s32 final_width, s32 final_height, void* texture_handle,
u32 texture_width, s32 texture_height, s32 texture_view_x,
s32 texture_view_y, s32 texture_view_width, s32 texture_view_height,
u32 target_width, u32 target_height)
{
static constexpr std::array<float, 4> clear_color = {0.0f, 0.0f, 0.0f, 1.0f};
if (!CheckPostProcessingRenderTargets(target_width, target_height))
{
RenderDisplay(final_left, final_top, final_width, final_height, texture_handle, texture_width, texture_height,
texture_view_x, texture_view_y, texture_view_width, texture_view_height, IsUsingLinearFiltering());
return;
}
// downsample/upsample - use same viewport for remainder
m_context->ClearRenderTargetView(m_post_processing_input_texture.GetD3DRTV(), clear_color.data());
m_context->OMSetRenderTargets(1, m_post_processing_input_texture.GetD3DRTVArray(), nullptr);
RenderDisplay(final_left, final_top, final_width, final_height, texture_handle, texture_width, texture_height,
texture_view_x, texture_view_y, texture_view_width, texture_view_height, IsUsingLinearFiltering());
texture_handle = m_post_processing_input_texture.GetD3DSRV();
texture_width = m_post_processing_input_texture.GetWidth();
texture_height = m_post_processing_input_texture.GetHeight();
texture_view_x = final_left;
texture_view_y = final_top;
texture_view_width = final_width;
texture_view_height = final_height;
const u32 final_stage = static_cast<u32>(m_post_processing_stages.size()) - 1u;
for (u32 i = 0; i < static_cast<u32>(m_post_processing_stages.size()); i++)
{
PostProcessingStage& pps = m_post_processing_stages[i];
if (i == final_stage)
{
m_context->OMSetRenderTargets(1, &final_target, nullptr);
}
else
{
m_context->ClearRenderTargetView(pps.output_texture.GetD3DRTV(), clear_color.data());
m_context->OMSetRenderTargets(1, pps.output_texture.GetD3DRTVArray(), nullptr);
}
m_context->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
m_context->VSSetShader(pps.vertex_shader.Get(), nullptr, 0);
m_context->PSSetShader(pps.pixel_shader.Get(), nullptr, 0);
m_context->PSSetShaderResources(0, 1, reinterpret_cast<ID3D11ShaderResourceView**>(&texture_handle));
m_context->PSSetSamplers(0, 1, m_point_sampler.GetAddressOf());
const auto map =
m_display_uniform_buffer.Map(m_context.Get(), m_display_uniform_buffer.GetSize(), pps.uniforms_size);
m_post_processing_chain.GetShaderStage(i).FillUniformBuffer(
map.pointer, texture_width, texture_height, texture_view_x, texture_view_y, texture_view_width,
texture_view_height, GetWindowWidth(), GetWindowHeight(), 0.0f);
m_display_uniform_buffer.Unmap(m_context.Get(), pps.uniforms_size);
m_context->VSSetConstantBuffers(0, 1, m_display_uniform_buffer.GetD3DBufferArray());
m_context->PSSetConstantBuffers(0, 1, m_display_uniform_buffer.GetD3DBufferArray());
m_context->Draw(3, 0);
if (i != final_stage)
texture_handle = pps.output_texture.GetD3DSRV();
}
ID3D11ShaderResourceView* null_srv = nullptr;
m_context->PSSetShaderResources(0, 1, &null_srv);
}
bool D3D11HostDisplay::CreateTimestampQueries()
{
for (u32 i = 0; i < NUM_TIMESTAMP_QUERIES; i++)
{
for (u32 j = 0; j < 3; j++)
{
const CD3D11_QUERY_DESC qdesc((j == 0) ? D3D11_QUERY_TIMESTAMP_DISJOINT : D3D11_QUERY_TIMESTAMP);
const HRESULT hr = m_device->CreateQuery(&qdesc, m_timestamp_queries[i][j].ReleaseAndGetAddressOf());
if (FAILED(hr))
{
m_timestamp_queries = {};
return false;
}
}
}
KickTimestampQuery();
return true;
}
void D3D11HostDisplay::DestroyTimestampQueries()
{
if (!m_timestamp_queries[0][0])
return;
if (m_timestamp_query_started)
m_context->End(m_timestamp_queries[m_write_timestamp_query][1].Get());
m_timestamp_queries = {};
m_read_timestamp_query = 0;
m_write_timestamp_query = 0;
m_waiting_timestamp_queries = 0;
m_timestamp_query_started = 0;
}
void D3D11HostDisplay::PopTimestampQuery()
{
while (m_waiting_timestamp_queries > 0)
{
D3D11_QUERY_DATA_TIMESTAMP_DISJOINT disjoint;
const HRESULT disjoint_hr = m_context->GetData(m_timestamp_queries[m_read_timestamp_query][0].Get(), &disjoint,
sizeof(disjoint), D3D11_ASYNC_GETDATA_DONOTFLUSH);
if (disjoint_hr != S_OK)
break;
if (disjoint.Disjoint)
{
Log_VerbosePrintf("GPU timing disjoint, resetting.");
m_read_timestamp_query = 0;
m_write_timestamp_query = 0;
m_waiting_timestamp_queries = 0;
m_timestamp_query_started = 0;
}
else
{
u64 start = 0, end = 0;
const HRESULT start_hr = m_context->GetData(m_timestamp_queries[m_read_timestamp_query][1].Get(), &start,
sizeof(start), D3D11_ASYNC_GETDATA_DONOTFLUSH);
const HRESULT end_hr = m_context->GetData(m_timestamp_queries[m_read_timestamp_query][2].Get(), &end, sizeof(end),
D3D11_ASYNC_GETDATA_DONOTFLUSH);
if (start_hr == S_OK && end_hr == S_OK)
{
const float delta =
static_cast<float>(static_cast<double>(end - start) / (static_cast<double>(disjoint.Frequency) / 1000.0));
m_accumulated_gpu_time += delta;
m_read_timestamp_query = (m_read_timestamp_query + 1) % NUM_TIMESTAMP_QUERIES;
m_waiting_timestamp_queries--;
}
}
}
if (m_timestamp_query_started)
{
m_context->End(m_timestamp_queries[m_write_timestamp_query][2].Get());
m_context->End(m_timestamp_queries[m_write_timestamp_query][0].Get());
m_write_timestamp_query = (m_write_timestamp_query + 1) % NUM_TIMESTAMP_QUERIES;
m_timestamp_query_started = false;
m_waiting_timestamp_queries++;
}
}
void D3D11HostDisplay::KickTimestampQuery()
{
if (m_timestamp_query_started || !m_timestamp_queries[0][0] || m_waiting_timestamp_queries == NUM_TIMESTAMP_QUERIES)
return;
m_context->Begin(m_timestamp_queries[m_write_timestamp_query][0].Get());
m_context->End(m_timestamp_queries[m_write_timestamp_query][1].Get());
m_timestamp_query_started = true;
}
bool D3D11HostDisplay::SetGPUTimingEnabled(bool enabled)
{
if (m_gpu_timing_enabled == enabled)
return true;
m_gpu_timing_enabled = enabled;
if (m_gpu_timing_enabled)
{
if (!CreateTimestampQueries())
return false;
KickTimestampQuery();
return true;
}
else
{
DestroyTimestampQueries();
return true;
}
}
float D3D11HostDisplay::GetAndResetAccumulatedGPUTime()
{
const float value = m_accumulated_gpu_time;
m_accumulated_gpu_time = 0.0f;
return value;
}
} // namespace FrontendCommon
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