f4334277
 Hu Chunming
提交3rdparty
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#include "pch.h"
#include "Direct3DContentProvider.h"
using namespace PhoneXamlDirect3DApp1Comp;
Direct3DContentProvider::Direct3DContentProvider(Direct3DInterop^ controller) :
m_controller(controller)
{
m_controller->RequestAdditionalFrame += ref new RequestAdditionalFrameHandler([=] ()
{
if (m_host)
{
m_host->RequestAdditionalFrame();
}
});
m_controller->RecreateSynchronizedTexture += ref new RecreateSynchronizedTextureHandler([=] ()
{
if (m_host)
{
m_host->CreateSynchronizedTexture(m_controller->GetTexture(), &m_synchronizedTexture);
}
});
}
// IDrawingSurfaceContentProviderNative interface
HRESULT Direct3DContentProvider::Connect(_In_ IDrawingSurfaceRuntimeHostNative* host)
{
m_host = host;
return m_controller->Connect(host);
}
void Direct3DContentProvider::Disconnect()
{
m_controller->Disconnect();
m_host = nullptr;
m_synchronizedTexture = nullptr;
}
HRESULT Direct3DContentProvider::PrepareResources(_In_ const LARGE_INTEGER* presentTargetTime, _Out_ BOOL* contentDirty)
{
return m_controller->PrepareResources(presentTargetTime, contentDirty);
}
HRESULT Direct3DContentProvider::GetTexture(_In_ const DrawingSurfaceSizeF* size, _Out_ IDrawingSurfaceSynchronizedTextureNative** synchronizedTexture, _Out_ DrawingSurfaceRectF* textureSubRectangle)
{
HRESULT hr = S_OK;
if (!m_synchronizedTexture)
{
hr = m_host->CreateSynchronizedTexture(m_controller->GetTexture(), &m_synchronizedTexture);
}
// Set output parameters.
textureSubRectangle->left = 0.0f;
textureSubRectangle->top = 0.0f;
textureSubRectangle->right = static_cast<FLOAT>(size->width);
textureSubRectangle->bottom = static_cast<FLOAT>(size->height);
m_synchronizedTexture.CopyTo(synchronizedTexture);
// Draw to the texture.
if (SUCCEEDED(hr))
{
hr = m_synchronizedTexture->BeginDraw();
if (SUCCEEDED(hr))
{
hr = m_controller->GetTexture(size, synchronizedTexture, textureSubRectangle);
}
m_synchronizedTexture->EndDraw();
}
return hr;
}
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