// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "Direct3DIndexBuffer9.hpp"
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#include "Direct3DDevice9.hpp"
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#include "Resource.hpp"
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#include "Debug.hpp"
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#include <assert.h>
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namespace D3D9
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{
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Direct3DIndexBuffer9::Direct3DIndexBuffer9(Direct3DDevice9 *device, unsigned int length, unsigned long usage, D3DFORMAT format, D3DPOOL pool) : Direct3DResource9(device, D3DRTYPE_INDEXBUFFER, pool, length), length(length), usage(usage), format(format)
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{
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indexBuffer = new sw::Resource(length + 16);
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lockCount = 0;
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}
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Direct3DIndexBuffer9::~Direct3DIndexBuffer9()
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{
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indexBuffer->destruct();
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}
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long Direct3DIndexBuffer9::QueryInterface(const IID &iid, void **object)
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{
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CriticalSection cs(device);
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TRACE("");
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if(iid == IID_IDirect3DIndexBuffer9 ||
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iid == IID_IDirect3DResource9 ||
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iid == IID_IUnknown)
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{
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AddRef();
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*object = this;
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return S_OK;
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}
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*object = 0;
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return NOINTERFACE(iid);
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}
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unsigned long Direct3DIndexBuffer9::AddRef()
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{
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TRACE("");
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return Direct3DResource9::AddRef();
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}
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unsigned long Direct3DIndexBuffer9::Release()
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{
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TRACE("");
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return Direct3DResource9::Release();
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}
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long Direct3DIndexBuffer9::FreePrivateData(const GUID &guid)
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{
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CriticalSection cs(device);
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TRACE("");
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return Direct3DResource9::FreePrivateData(guid);
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}
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long Direct3DIndexBuffer9::GetPrivateData(const GUID &guid, void *data, unsigned long *size)
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{
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CriticalSection cs(device);
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TRACE("");
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return Direct3DResource9::GetPrivateData(guid, data, size);
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}
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void Direct3DIndexBuffer9::PreLoad()
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{
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CriticalSection cs(device);
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TRACE("");
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Direct3DResource9::PreLoad();
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}
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long Direct3DIndexBuffer9::SetPrivateData(const GUID &guid, const void *data, unsigned long size, unsigned long flags)
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{
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CriticalSection cs(device);
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TRACE("");
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return Direct3DResource9::SetPrivateData(guid, data, size, flags);
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}
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long Direct3DIndexBuffer9::GetDevice(IDirect3DDevice9 **device)
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{
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CriticalSection cs(this->device);
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TRACE("");
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return Direct3DResource9::GetDevice(device);
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}
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unsigned long Direct3DIndexBuffer9::SetPriority(unsigned long newPriority)
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{
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CriticalSection cs(device);
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TRACE("");
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return Direct3DResource9::SetPriority(newPriority);
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}
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unsigned long Direct3DIndexBuffer9::GetPriority()
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{
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CriticalSection cs(device);
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TRACE("");
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return Direct3DResource9::GetPriority();
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}
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D3DRESOURCETYPE Direct3DIndexBuffer9::GetType()
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{
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CriticalSection cs(device);
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TRACE("");
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return Direct3DResource9::GetType();
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}
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long Direct3DIndexBuffer9::GetDesc(D3DINDEXBUFFER_DESC *description)
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{
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CriticalSection cs(device);
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TRACE("");
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if(!description)
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{
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return INVALIDCALL();
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}
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description->Format = format;
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description->Pool = pool;
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description->Size = length;
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description->Type = GetType();
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description->Usage = usage;
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return 0;
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}
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long Direct3DIndexBuffer9::Lock(unsigned int offset, unsigned int size, void **data, unsigned long flags)
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{
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CriticalSection cs(device);
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TRACE("");
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if(offset == 0 && size == 0) // Lock whole buffer
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{
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size = length;
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}
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if(!data || offset > length || offset + size > length)
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{
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return INVALIDCALL();
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}
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void *buffer;
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if(flags & D3DLOCK_DISCARD/* && usage & D3DUSAGE_DYNAMIC*/)
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{
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indexBuffer->destruct();
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indexBuffer = new sw::Resource(length + 16);
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buffer = (void*)indexBuffer->data();
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}
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else if(flags & D3DLOCK_NOOVERWRITE/* && usage & D3DUSAGE_DYNAMIC*/)
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{
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buffer = (void*)indexBuffer->data();
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}
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else
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{
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buffer = indexBuffer->lock(sw::PUBLIC);
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lockCount++;
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}
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*data = (unsigned char*)buffer + offset;
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return D3D_OK;
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}
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long Direct3DIndexBuffer9::Unlock()
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{
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CriticalSection cs(device);
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TRACE("");
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if(lockCount > 0)
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{
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indexBuffer->unlock();
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lockCount--;
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}
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return D3D_OK;
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}
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sw::Resource *Direct3DIndexBuffer9::getResource() const
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{
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return indexBuffer;
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}
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bool Direct3DIndexBuffer9::is32Bit() const
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{
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switch(format)
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{
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case D3DFMT_INDEX16:
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return false;
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case D3DFMT_INDEX32:
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return true;
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default:
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ASSERT(false);
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}
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return false;
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}
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}
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