// 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 "Direct3DIndexBuffer8.hpp"
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#include "Direct3DDevice8.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 D3D8
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{
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Direct3DIndexBuffer8::Direct3DIndexBuffer8(Direct3DDevice8 *device, unsigned int length, unsigned long usage, D3DFORMAT format, D3DPOOL pool) : Direct3DResource8(device, D3DRTYPE_INDEXBUFFER, length), length(length), usage(usage), format(format), pool(pool)
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{
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indexBuffer = new sw::Resource(length + 16);
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}
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Direct3DIndexBuffer8::~Direct3DIndexBuffer8()
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{
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indexBuffer->destruct();
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}
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long Direct3DIndexBuffer8::QueryInterface(const IID &iid, void **object)
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{
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TRACE("");
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if(iid == IID_IDirect3DIndexBuffer8 ||
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iid == IID_IDirect3DResource8 ||
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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 Direct3DIndexBuffer8::AddRef()
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{
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TRACE("");
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return Direct3DResource8::AddRef();
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}
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unsigned long Direct3DIndexBuffer8::Release()
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{
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TRACE("");
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return Direct3DResource8::Release();
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}
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long Direct3DIndexBuffer8::FreePrivateData(const GUID &guid)
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{
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TRACE("");
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return Direct3DResource8::FreePrivateData(guid);
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}
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long Direct3DIndexBuffer8::GetPrivateData(const GUID &guid, void *data, unsigned long *size)
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{
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TRACE("");
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return Direct3DResource8::GetPrivateData(guid, data, size);
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}
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void Direct3DIndexBuffer8::PreLoad()
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{
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TRACE("");
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Direct3DResource8::PreLoad();
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}
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long Direct3DIndexBuffer8::SetPrivateData(const GUID &guid, const void *data, unsigned long size, unsigned long flags)
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{
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TRACE("");
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return Direct3DResource8::SetPrivateData(guid, data, size, flags);
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}
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long Direct3DIndexBuffer8::GetDevice(IDirect3DDevice8 **device)
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{
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TRACE("");
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return Direct3DResource8::GetDevice(device);
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}
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unsigned long Direct3DIndexBuffer8::SetPriority(unsigned long newPriority)
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{
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TRACE("");
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return Direct3DResource8::SetPriority(newPriority);
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}
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unsigned long Direct3DIndexBuffer8::GetPriority()
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{
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TRACE("");
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return Direct3DResource8::GetPriority();
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}
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D3DRESOURCETYPE Direct3DIndexBuffer8::GetType()
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{
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TRACE("");
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return Direct3DResource8::GetType();
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}
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long Direct3DIndexBuffer8::GetDesc(D3DINDEXBUFFER_DESC *description)
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{
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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 Direct3DIndexBuffer8::Lock(unsigned int offset, unsigned int size, unsigned char **data, unsigned long flags)
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{
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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 + size > length)
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{
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return INVALIDCALL();
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}
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lockOffset = offset;
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lockSize = size;
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*data = (unsigned char*)indexBuffer->lock(sw::PUBLIC) + offset;
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indexBuffer->unlock();
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return D3D_OK;
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}
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long Direct3DIndexBuffer8::Unlock()
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{
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TRACE("");
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return D3D_OK;
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}
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sw::Resource *Direct3DIndexBuffer8::getResource() const
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{
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return indexBuffer;
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}
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bool Direct3DIndexBuffer8::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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