// 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 "Direct3DVertexBuffer8.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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Direct3DVertexBuffer8::Direct3DVertexBuffer8(Direct3DDevice8 *device, unsigned int length, unsigned long usage, long FVF, D3DPOOL pool) : Direct3DResource8(device, D3DRTYPE_VERTEXBUFFER, length), length(length), usage(usage), FVF(FVF), pool(pool)
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{
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if(FVF)
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{
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unsigned int stride = 0;
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switch(FVF & D3DFVF_POSITION_MASK)
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{
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case D3DFVF_XYZ: stride += 12; break;
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case D3DFVF_XYZRHW: stride += 16; break;
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case D3DFVF_XYZB1: stride += 16; break;
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case D3DFVF_XYZB2: stride += 20; break;
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case D3DFVF_XYZB3: stride += 24; break;
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case D3DFVF_XYZB4: stride += 28; break;
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case D3DFVF_XYZB5: stride += 32; break;
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}
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if(FVF & D3DFVF_NORMAL) stride += 12;
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if(FVF & D3DFVF_PSIZE) stride += 4;
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if(FVF & D3DFVF_DIFFUSE) stride += 4;
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if(FVF & D3DFVF_SPECULAR) stride += 4;
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switch((FVF & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT)
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{
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case 8: stride += 4 + 4 * ((1 + (FVF >> 30)) % 4);
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case 7: stride += 4 + 4 * ((1 + (FVF >> 28)) % 4);
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case 6: stride += 4 + 4 * ((1 + (FVF >> 26)) % 4);
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case 5: stride += 4 + 4 * ((1 + (FVF >> 24)) % 4);
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case 4: stride += 4 + 4 * ((1 + (FVF >> 22)) % 4);
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case 3: stride += 4 + 4 * ((1 + (FVF >> 20)) % 4);
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case 2: stride += 4 + 4 * ((1 + (FVF >> 18)) % 4);
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case 1: stride += 4 + 4 * ((1 + (FVF >> 16)) % 4);
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case 0: break;
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default:
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ASSERT(false);
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}
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ASSERT(length >= stride); // FIXME
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ASSERT(length % stride == 0); // D3D vertex size calculated incorrectly // FIXME
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}
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vertexBuffer = new sw::Resource(length + 192 + 1024); // NOTE: Applications can 'overshoot' while writing vertices
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}
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Direct3DVertexBuffer8::~Direct3DVertexBuffer8()
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{
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vertexBuffer->destruct();
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}
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long Direct3DVertexBuffer8::QueryInterface(const IID &iid, void **object)
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{
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TRACE("");
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if(iid == IID_IDirect3DVertexBuffer8 ||
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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 Direct3DVertexBuffer8::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 Direct3DVertexBuffer8::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 Direct3DVertexBuffer8::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 Direct3DVertexBuffer8::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 Direct3DVertexBuffer8::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 Direct3DVertexBuffer8::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 Direct3DVertexBuffer8::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 Direct3DVertexBuffer8::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 Direct3DVertexBuffer8::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 Direct3DVertexBuffer8::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 Direct3DVertexBuffer8::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*)vertexBuffer->lock(sw::PUBLIC) + offset;
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vertexBuffer->unlock();
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return D3D_OK;
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}
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long Direct3DVertexBuffer8::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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long Direct3DVertexBuffer8::GetDesc(D3DVERTEXBUFFER_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->FVF = FVF;
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description->Format = D3DFMT_VERTEXDATA;
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description->Pool = pool;
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description->Size = length;
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description->Type = D3DRTYPE_VERTEXBUFFER;
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description->Usage = usage;
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return D3D_OK;
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}
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int Direct3DVertexBuffer8::getLength() const
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{
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return length;
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}
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sw::Resource *Direct3DVertexBuffer8::getResource() const
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{
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return vertexBuffer;
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}
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}
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