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Qt: Add D3D11 display window implementation

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This commit is contained in:
Connor McLaughlin
2020-01-07 15:54:37 +10:00
parent 5076d7dfe8
commit 168eb5fe2d
5 changed files with 104 additions and 39 deletions
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106
src/duckstation-qt/d3d11displaywindow.cpp
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@ -12,8 +12,8 @@ public:
template<typename T>
using ComPtr = Microsoft::WRL::ComPtr<T>;
D3D11DisplayWindowTexture(ComPtr<ID3D11Texture2D> texture, ComPtr<ID3D11ShaderResourceView> srv, u32 width, u32 height,
bool dynamic)
D3D11DisplayWindowTexture(ComPtr<ID3D11Texture2D> texture, ComPtr<ID3D11ShaderResourceView> srv, u32 width,
u32 height, bool dynamic)
: m_texture(std::move(texture)), m_srv(std::move(srv)), m_width(width), m_height(height), m_dynamic(dynamic)
{
}
@ -27,8 +27,8 @@ public:
ID3D11ShaderResourceView* GetD3DSRV() const { return m_srv.Get(); }
bool IsDynamic() const { return m_dynamic; }
static std::unique_ptr<D3D11DisplayWindowTexture> Create(ID3D11Device* device, u32 width, u32 height, const void* data,
u32 data_stride, bool dynamic)
static std::unique_ptr<D3D11DisplayWindowTexture> Create(ID3D11Device* device, u32 width, u32 height,
const void* data, u32 data_stride, bool dynamic)
{
const CD3D11_TEXTURE2D_DESC desc(DXGI_FORMAT_R8G8B8A8_UNORM, width, height, 1, 1, D3D11_BIND_SHADER_RESOURCE,
dynamic ? D3D11_USAGE_DYNAMIC : D3D11_USAGE_DEFAULT,
@ -60,11 +60,15 @@ private:
D3D11DisplayWindow::D3D11DisplayWindow(QtHostInterface* host_interface, QWindow* parent)
: QtDisplayWindow(host_interface, parent)
{
}
D3D11DisplayWindow::~D3D11DisplayWindow() = default;
HostDisplay* D3D11DisplayWindow::getHostDisplayInterface()
{
return this;
}
HostDisplay::RenderAPI D3D11DisplayWindow::GetRenderAPI() const
{
return HostDisplay::RenderAPI::D3D11;
@ -91,13 +95,13 @@ void D3D11DisplayWindow::ChangeRenderWindow(void* new_window)
}
std::unique_ptr<HostDisplayTexture> D3D11DisplayWindow::CreateTexture(u32 width, u32 height, const void* data,
u32 data_stride, bool dynamic)
u32 data_stride, bool dynamic)
{
return D3D11DisplayWindowTexture::Create(m_device.Get(), width, height, data, data_stride, dynamic);
}
void D3D11DisplayWindow::UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height, const void* data,
u32 data_stride)
void D3D11DisplayWindow::UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y, u32 width, u32 height,
const void* data, u32 data_stride)
{
D3D11DisplayWindowTexture* d3d11_texture = static_cast<D3D11DisplayWindowTexture*>(texture);
if (!d3d11_texture->IsDynamic())
@ -133,7 +137,7 @@ void D3D11DisplayWindow::UpdateTexture(HostDisplayTexture* texture, u32 x, u32 y
}
void D3D11DisplayWindow::SetDisplayTexture(void* texture, s32 offset_x, s32 offset_y, s32 width, s32 height,
u32 texture_width, u32 texture_height, float aspect_ratio)
u32 texture_width, u32 texture_height, float aspect_ratio)
{
m_display_srv = static_cast<ID3D11ShaderResourceView*>(texture);
m_display_offset_x = offset_x;
@ -167,14 +171,15 @@ std::tuple<u32, u32> D3D11DisplayWindow::GetWindowSize() const
return std::make_tuple(static_cast<u32>(s.width()), static_cast<u32>(s.height()));
}
void D3D11DisplayWindow::WindowResized()
{
}
void D3D11DisplayWindow::WindowResized() {}
void D3D11DisplayWindow::onWindowResized(int width, int height)
{
QtDisplayWindow::onWindowResized(width, height);
if (!m_swap_chain)
return;
m_swap_chain_rtv.Reset();
HRESULT hr = m_swap_chain->ResizeBuffers(0, 0, 0, DXGI_FORMAT_UNKNOWN, 0);
@ -200,7 +205,7 @@ bool D3D11DisplayWindow::createDeviceContext(QThread* worker_thread)
swap_chain_desc.SampleDesc.Count = 1;
swap_chain_desc.BufferCount = 3;
swap_chain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swap_chain_desc.OutputWindow = syswm.info.win.window;
swap_chain_desc.OutputWindow = reinterpret_cast<HWND>(winId());
swap_chain_desc.Windowed = TRUE;
swap_chain_desc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
@ -220,7 +225,7 @@ bool D3D11DisplayWindow::createDeviceContext(QThread* worker_thread)
return false;
}
#if 0
#if 1
ComPtr<ID3D11InfoQueue> info;
hr = m_device.As(&info);
if (SUCCEEDED(hr))
@ -230,10 +235,36 @@ bool D3D11DisplayWindow::createDeviceContext(QThread* worker_thread)
}
#endif
if (!QtDisplayWindow::createDeviceContext(worker_thread))
{
m_swap_chain.Reset();
m_context.Reset();
m_device.Reset();
}
return true;
}
bool D3D11DisplayWindow::CreateSwapChainRTV()
bool D3D11DisplayWindow::initializeDeviceContext()
{
if (!createSwapChainRTV())
return false;
if (!QtDisplayWindow::initializeDeviceContext())
return false;
return true;
}
void D3D11DisplayWindow::destroyDeviceContext()
{
QtDisplayWindow::destroyDeviceContext();
m_swap_chain.Reset();
m_context.Reset();
m_device.Reset();
}
bool D3D11DisplayWindow::createSwapChainRTV()
{
ComPtr<ID3D11Texture2D> backbuffer;
HRESULT hr = m_swap_chain->GetBuffer(0, IID_PPV_ARGS(backbuffer.GetAddressOf()));
@ -258,7 +289,7 @@ bool D3D11DisplayWindow::CreateSwapChainRTV()
return true;
}
bool D3D11DisplayWindow::CreateD3DResources()
bool D3D11DisplayWindow::createDeviceResources()
{
static constexpr char fullscreen_quad_vertex_shader[] = R"(
cbuffer UBOBlock : register(b0)
@ -331,26 +362,36 @@ void main(in float2 v_tex0 : TEXCOORD0,
return true;
}
bool D3D11DisplayWindow::CreateImGuiContext()
void D3D11DisplayWindow::destroyDeviceResources()
{
if (!ImGui_ImplSDL2_InitForD3D(m_window) || !ImGui_ImplDX11_Init(m_device.Get(), m_context.Get()))
QtDisplayWindow::destroyDeviceResources();
m_linear_sampler.Reset();
m_point_sampler.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 D3D11DisplayWindow::createImGuiContext()
{
if (!QtDisplayWindow::createImGuiContext())
return false;
if (!ImGui_ImplDX11_Init(m_device.Get(), m_context.Get()))
return false;
ImGui_ImplDX11_NewFrame();
ImGui_ImplSDL2_NewFrame(m_window);
ImGui::NewFrame();
return true;
}
std::unique_ptr<HostDisplay> D3D11DisplayWindow::Create(SDL_Window* window)
void D3D11DisplayWindow::destroyImGuiContext()
{
std::unique_ptr<D3D11DisplayWindow> display = std::make_unique<D3D11DisplayWindow>(window);
if (!display->CreateD3DDevice() || !display->CreateSwapChainRTV() || !display->CreateD3DResources() ||
!display->CreateImGuiContext())
{
return nullptr;
}
return display;
ImGui_ImplDX11_Shutdown();
QtDisplayWindow::destroyImGuiContext();
}
void D3D11DisplayWindow::Render()
@ -359,17 +400,18 @@ void D3D11DisplayWindow::Render()
m_context->ClearRenderTargetView(m_swap_chain_rtv.Get(), clear_color.data());
m_context->OMSetRenderTargets(1, m_swap_chain_rtv.GetAddressOf(), nullptr);
RenderDisplay();
renderDisplay();
ImGui::Render();
ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData());
m_swap_chain->Present(BoolToUInt32(m_vsync), 0);
ImGui_ImplSDL2_NewFrame(m_window);
ImGui::NewFrame();
ImGui_ImplDX11_NewFrame();
}
void D3D11DisplayWindow::RenderDisplay()
void D3D11DisplayWindow::renderDisplay()
{
if (!m_display_srv)
return;
@ -404,3 +446,5 @@ void D3D11DisplayWindow::RenderDisplay()
m_context->Draw(3, 0);
}