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https://github.com/opencv/opencv.git
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530c8dc0c0
Signed-off-by: Maxim Kostin <v-maxkos@microsoft.com>
77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
#include "pch.h"
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#include "Direct3DContentProvider.h"
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using namespace PhoneXamlDirect3DApp1Comp;
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Direct3DContentProvider::Direct3DContentProvider(Direct3DInterop^ controller) :
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m_controller(controller)
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{
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m_controller->RequestAdditionalFrame += ref new RequestAdditionalFrameHandler([=] ()
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{
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if (m_host)
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{
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m_host->RequestAdditionalFrame();
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}
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});
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m_controller->RecreateSynchronizedTexture += ref new RecreateSynchronizedTextureHandler([=] ()
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{
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if (m_host)
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{
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m_host->CreateSynchronizedTexture(m_controller->GetTexture(), &m_synchronizedTexture);
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}
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});
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}
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// IDrawingSurfaceContentProviderNative interface
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HRESULT Direct3DContentProvider::Connect(_In_ IDrawingSurfaceRuntimeHostNative* host)
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{
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m_host = host;
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return m_controller->Connect(host);
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}
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void Direct3DContentProvider::Disconnect()
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{
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m_controller->Disconnect();
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m_host = nullptr;
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m_synchronizedTexture = nullptr;
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}
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HRESULT Direct3DContentProvider::PrepareResources(_In_ const LARGE_INTEGER* presentTargetTime, _Out_ BOOL* contentDirty)
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{
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return m_controller->PrepareResources(presentTargetTime, contentDirty);
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}
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HRESULT Direct3DContentProvider::GetTexture(_In_ const DrawingSurfaceSizeF* size, _Out_ IDrawingSurfaceSynchronizedTextureNative** synchronizedTexture, _Out_ DrawingSurfaceRectF* textureSubRectangle)
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{
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HRESULT hr = S_OK;
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if (!m_synchronizedTexture)
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{
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hr = m_host->CreateSynchronizedTexture(m_controller->GetTexture(), &m_synchronizedTexture);
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}
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// Set output parameters.
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textureSubRectangle->left = 0.0f;
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textureSubRectangle->top = 0.0f;
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textureSubRectangle->right = static_cast<FLOAT>(size->width);
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textureSubRectangle->bottom = static_cast<FLOAT>(size->height);
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m_synchronizedTexture.CopyTo(synchronizedTexture);
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// Draw to the texture.
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if (SUCCEEDED(hr))
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{
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hr = m_synchronizedTexture->BeginDraw();
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if (SUCCEEDED(hr))
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{
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hr = m_controller->GetTexture(size, synchronizedTexture, textureSubRectangle);
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}
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m_synchronizedTexture->EndDraw();
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}
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return hr;
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} |