Dx9BackEnd::Dx9BackEnd(Context *context, IDirect3DDevice9 *d3ddevice)
: mDevice(d3ddevice)
{
mDevice->AddRef();
for (int i = 0; i < MAX_VERTEX_ATTRIBS; ++i)
{
mAppliedAttribEnabled[i] = true;
mStreamFrequency[i] = STREAM_FREQUENCY_UNINSTANCED;
}
mStreamFrequency[MAX_VERTEX_ATTRIBS] = STREAM_FREQUENCY_UNINSTANCED;
D3DCAPS9 caps = context->getDeviceCaps();
IDirect3D9 *d3dObject;
mDevice->GetDirect3D(&d3dObject);
D3DADAPTER_IDENTIFIER9 ident;
d3dObject->GetAdapterIdentifier(caps.AdapterOrdinal, 0, &ident);
d3dObject->Release();
// Instancing is mandatory for all HW with SM3 vertex shaders, but avoid hardware where it does not work.
mUseInstancingForStrideZero = (caps.VertexShaderVersion >= D3DVS_VERSION(3, 0) && ident.VendorId != 0x8086);
mSupportIntIndices = (caps.MaxVertexIndex >= (1 << 16));
checkVertexCaps(caps.DeclTypes);
}
VertexDataManager::VertexDataManager(Context *context, IDirect3DDevice9 *device) : mContext(context), mDevice(device)
{
for (int i = 0; i < MAX_VERTEX_ATTRIBS; i++)
{
mDirtyCurrentValue[i] = true;
mCurrentValueBuffer[i] = NULL;
mCurrentValueOffsets[i] = 0;
}
const D3DCAPS9 &caps = context->getDeviceCaps();
checkVertexCaps(caps.DeclTypes);
mStreamingBuffer = new StreamingVertexBuffer(mDevice, INITIAL_STREAM_BUFFER_SIZE);
if (!mStreamingBuffer)
{
ERR("Failed to allocate the streaming vertex buffer.");
}
}