D3D9RenderInstanceBuffer::D3D9RenderInstanceBuffer(IDirect3DDevice9 &d3dDevice, const RenderInstanceBufferDesc &desc) :
RenderInstanceBuffer(desc)
#if RENDERER_INSTANCING
,m_d3dDevice(d3dDevice)
#endif
{
#if RENDERER_INSTANCING
m_d3dVertexBuffer = 0;
#endif
m_usage = 0;
m_pool = D3DPOOL_MANAGED;
m_bufferSize = (UINT)(desc.maxInstances * m_stride);
#if RENDERER_ENABLE_DYNAMIC_VB_POOLS
if(desc.hint==RenderInstanceBuffer::HINT_DYNAMIC)
{
m_usage = D3DUSAGE_DYNAMIC;
m_pool = D3DPOOL_DEFAULT;
}
#endif
onDeviceReset();
#if RENDERER_INSTANCING
if(m_d3dVertexBuffer)
{
m_maxInstances = desc.maxInstances;
}
#else
m_maxInstances = desc.maxInstances;
mInstanceBuffer = PX_ALLOC(m_maxInstances*m_stride);
#endif
}
bool D3D9WPFRenderer::checkResize( bool isDeviceLost )
{
bool isDeviceReset = false;
//resize the system if the desired width or height is more than we can support.
if ( mDesiredWidth > m_displayWidth
|| mDesiredHeight > m_displayHeight
|| isDeviceLost )
{
m_displayWidth = PxMax( mDesiredWidth, m_displayWidth );
m_displayHeight = PxMax( mDesiredHeight, m_displayHeight );
if ( isDeviceLost )
{
physx::PxU64 res = m_d3dDevice->TestCooperativeLevel();
if(res == D3D_OK || res == D3DERR_DEVICENOTRESET) //if device is lost, device has to be ready for reset
{
isDeviceReset = true;
onDeviceLost();
onDeviceReset();
}
}
else
{
releaseSurface();
releaseDepthStencilSurface();
allocateSurface();
buildDepthStencilSurface();
// set out initial states...
m_d3dDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_CCW);
m_d3dDevice->SetRenderState(D3DRS_LIGHTING, 0);
m_d3dDevice->SetRenderState(D3DRS_ZENABLE, 1);
}
}
//else just mess with the viewport so we only render pixel-by-pixel
D3DVIEWPORT9 viewport = {0};
m_d3dDevice->GetViewport(&viewport);
if ( viewport.Width != mDesiredWidth
|| viewport.Height != mDesiredHeight )
{
viewport.X = 0;
viewport.Y = 0;
viewport.Width = (DWORD)mDesiredWidth;
viewport.Height = (DWORD)mDesiredHeight;
viewport.MinZ = 0.0f;
viewport.MaxZ = 1.0f;
m_d3dDevice->SetViewport(&viewport);
}
return isDeviceReset;
}