virtual void OnDistorting()
{
IDirect3DSurface9* targetSurface = nullptr;
IDirect3DSurface9* texSurface = nullptr;
HRESULT hr = S_OK;
// レンダーターゲットを取得
hr = g_D3d9Device->GetRenderTarget( 0, &targetSurface );
if( FAILED( hr ) ){
return;
}
// レンダーターゲットの情報を取得
D3DSURFACE_DESC targetSurfaceDesc;
targetSurface->GetDesc( &targetSurfaceDesc );
// シザリング範囲を取得
RECT scissorRect;
g_D3d9Device->GetScissorRect( &scissorRect );
// 描画範囲を計算
uint32_t width = scissorRect.right - scissorRect.left;
uint32_t height = scissorRect.bottom - scissorRect.top;
// 保持テクスチャとフォーマットが異なればテクスチャを作り直す
if( backGroundTexture == nullptr ||
backGroundTextureWidth != width ||
backGroundTextureHeight != height ||
backGroundTextureFormat != targetSurfaceDesc.Format )
{
PrepareTexture( width, height, targetSurfaceDesc.Format );
}
// コピーするためのサーフェスを取得
hr = backGroundTexture->GetSurfaceLevel( 0, &texSurface );
if( FAILED( hr ) ){
return;
}
// サーフェス間コピー
hr = g_D3d9Device->StretchRect( targetSurface, &scissorRect, texSurface, NULL, D3DTEXF_NONE);
if( FAILED( hr ) ){
return;
}
// 取得したサーフェスの参照カウンタを下げる
ES_SAFE_RELEASE( texSurface );
ES_SAFE_RELEASE( targetSurface );
renderer->SetBackground( backGroundTexture );
}
virtual void OnDistorting()
{
IDirect3DSurface9* targetSurface = nullptr;
IDirect3DSurface9* texSurface = nullptr;
HRESULT hr = S_OK;
hr = texture->GetSurfaceLevel( 0, &texSurface );
assert(SUCCEEDED(hr));
hr = device->GetRenderTarget( 0, &targetSurface );
assert(SUCCEEDED(hr));
hr = device->StretchRect( targetSurface, NULL, texSurface, NULL, D3DTEXF_NONE);
assert(SUCCEEDED(hr));
ES_SAFE_RELEASE( texSurface );
ES_SAFE_RELEASE( targetSurface );
renderer->SetBackground( texture );
}