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[idd] implemented frame feed from the guest (very hacky)

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This is NOT READY for general consumption, if you decide to make
use of this driver, DO NOT ASK FOR SUPPORT.
This commit is contained in:
Geoffrey McRae
2023-04-11 16:55:58 +10:00
parent 3c85957b99
commit 0c3dce3ca6
8 changed files with 315 additions and 33 deletions
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39
idd/LGIdd/CSwapChainProcessor.h
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@@ -1,30 +1,55 @@
#pragma once
#include "Direct3DDevice.h"
#include "CIndirectDeviceContext.h"
#include <Windows.h>
#include <wrl.h>
#include <IddCx.h>
#include <memory>
using namespace Microsoft::WRL;
#define STAGING_TEXTURES 3
class CSwapChainProcessor
{
private:
CIndirectDeviceContext * m_devContext;
IDDCX_SWAPCHAIN m_hSwapChain;
std::shared_ptr<Direct3DDevice> m_device;
HANDLE m_newFrameEvent;
Microsoft::WRL::Wrappers::HandleT<
Microsoft::WRL::Wrappers::HandleTraits::HANDLENullTraits> m_thread;
Microsoft::WRL::Wrappers::Event m_terminateEvent;
Wrappers::HandleT<Wrappers::HandleTraits::HANDLENullTraits> m_thread[2];
Wrappers::Event m_terminateEvent;
static DWORD CALLBACK RunThread(LPVOID argument);
static DWORD CALLBACK _SwapChainThread(LPVOID arg);
static DWORD CALLBACK _FrameThread(LPVOID arg);
void Run();
void RunCore();
void SwapChainThread();
void SwapChainThreadCore();
void SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer);
void FrameThread();
struct StagingTexture
{
int width;
int height;
DXGI_FORMAT format;
Microsoft::WRL::ComPtr<ID3D11Texture2D> tex;
};
StagingTexture m_cpuTex[STAGING_TEXTURES] = {};
volatile LONG m_copyCount = 0;
volatile LONG m_contextLock = 0;
int m_texRIndex = 0;
int m_texWIndex = 0;
bool SetupStagingTexture(StagingTexture & t, int width, int height, DXGI_FORMAT format);
public:
CSwapChainProcessor(IDDCX_SWAPCHAIN hSwapChain,
CSwapChainProcessor(CIndirectDeviceContext * devContext, IDDCX_SWAPCHAIN hSwapChain,
std::shared_ptr<Direct3DDevice> device, HANDLE newFrameEvent);
~CSwapChainProcessor();
};