113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/**
|
|
******************************************************************************
|
|
* 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. *
|
|
******************************************************************************
|
|
*/
|
|
|
|
#ifndef XENIA_UI_D3D12_D3D12_CONTEXT_H_
|
|
#define XENIA_UI_D3D12_D3D12_CONTEXT_H_
|
|
|
|
#include <memory>
|
|
|
|
#include "xenia/ui/d3d12/d3d12_immediate_drawer.h"
|
|
#include "xenia/ui/d3d12/d3d12_provider.h"
|
|
#include "xenia/ui/graphics_context.h"
|
|
|
|
namespace xe {
|
|
namespace ui {
|
|
namespace d3d12 {
|
|
|
|
class D3D12Context : public GraphicsContext {
|
|
public:
|
|
~D3D12Context() override;
|
|
|
|
ImmediateDrawer* immediate_drawer() override;
|
|
|
|
bool WasLost() override;
|
|
|
|
bool BeginSwap() override;
|
|
void EndSwap() override;
|
|
|
|
std::unique_ptr<RawImage> Capture() override;
|
|
|
|
D3D12Provider& GetD3D12Provider() const {
|
|
return static_cast<D3D12Provider&>(*provider_);
|
|
}
|
|
|
|
// The format used by DWM.
|
|
static constexpr DXGI_FORMAT kSwapChainFormat = DXGI_FORMAT_B8G8R8A8_UNORM;
|
|
ID3D12Resource* GetSwapChainBuffer(uint32_t buffer_index) const {
|
|
return swap_chain_buffers_[buffer_index].Get();
|
|
}
|
|
uint32_t GetSwapChainBackBufferIndex() const {
|
|
return swap_chain_back_buffer_index_;
|
|
}
|
|
D3D12_CPU_DESCRIPTOR_HANDLE GetSwapChainBufferRTV(
|
|
uint32_t buffer_index) const;
|
|
D3D12_CPU_DESCRIPTOR_HANDLE GetSwapChainBackBufferRTV() const {
|
|
return GetSwapChainBufferRTV(GetSwapChainBackBufferIndex());
|
|
}
|
|
void GetSwapChainSize(uint32_t& width, uint32_t& height) const {
|
|
width = swap_chain_width_;
|
|
height = swap_chain_height_;
|
|
}
|
|
// Inside the current BeginSwap/EndSwap pair.
|
|
uint64_t GetSwapCurrentFenceValue() const {
|
|
return swap_fence_current_value_;
|
|
}
|
|
uint64_t GetSwapCompletedFenceValue() const {
|
|
return swap_fence_completed_value_;
|
|
}
|
|
ID3D12GraphicsCommandList* GetSwapCommandList() const {
|
|
return swap_command_list_.Get();
|
|
}
|
|
|
|
private:
|
|
friend class D3D12Provider;
|
|
explicit D3D12Context(D3D12Provider* provider, Window* target_window);
|
|
bool Initialize();
|
|
|
|
private:
|
|
bool InitializeSwapChainBuffers();
|
|
void Shutdown();
|
|
|
|
bool context_lost_ = false;
|
|
|
|
static constexpr uint32_t kSwapChainBufferCount = 3;
|
|
Microsoft::WRL::ComPtr<IDXGISwapChain3> swap_chain_;
|
|
uint32_t swap_chain_width_ = 0, swap_chain_height_ = 0;
|
|
Microsoft::WRL::ComPtr<ID3D12Resource>
|
|
swap_chain_buffers_[kSwapChainBufferCount];
|
|
uint32_t swap_chain_back_buffer_index_ = 0;
|
|
Microsoft::WRL::ComPtr<ID3D12DescriptorHeap> swap_chain_rtv_heap_;
|
|
D3D12_CPU_DESCRIPTOR_HANDLE swap_chain_rtv_heap_start_;
|
|
|
|
uint64_t swap_fence_current_value_ = 1;
|
|
uint64_t swap_fence_completed_value_ = 0;
|
|
HANDLE swap_fence_completion_event_ = nullptr;
|
|
Microsoft::WRL::ComPtr<ID3D12Fence> swap_fence_;
|
|
|
|
static constexpr uint32_t kSwapCommandAllocatorCount = 3;
|
|
Microsoft::WRL::ComPtr<ID3D12CommandAllocator>
|
|
swap_command_allocators_[kSwapCommandAllocatorCount];
|
|
// Current command allocator is:
|
|
// ((swap_fence_current_value_ + (kSwapCommandAllocatorCount - 1))) %
|
|
// kSwapCommandAllocatorCount.
|
|
Microsoft::WRL::ComPtr<ID3D12GraphicsCommandList> swap_command_list_;
|
|
|
|
Microsoft::WRL::ComPtr<IDCompositionDevice> dcomp_device_;
|
|
Microsoft::WRL::ComPtr<IDCompositionTarget> dcomp_target_;
|
|
Microsoft::WRL::ComPtr<IDCompositionVisual> dcomp_visual_;
|
|
|
|
std::unique_ptr<D3D12ImmediateDrawer> immediate_drawer_;
|
|
};
|
|
|
|
} // namespace d3d12
|
|
} // namespace ui
|
|
} // namespace xe
|
|
|
|
#endif // XENIA_UI_D3D12_D3D12_CONTEXT_H_
|