Add Direct3D 8 implementation.

Bug swiftshader:5

Change-Id: I6aec7237f2db6222702e828a2b9dae1a1a6ac9af
Reviewed-on: https://swiftshader-review.googlesource.com/7191
Tested-by: Nicolas Capens <capn@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>
diff --git a/src/D3D8/Direct3DSurface8.cpp b/src/D3D8/Direct3DSurface8.cpp
new file mode 100644
index 0000000..2a4dea6
--- /dev/null
+++ b/src/D3D8/Direct3DSurface8.cpp
@@ -0,0 +1,280 @@
+// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "Direct3DSurface8.hpp"
+
+#include "Direct3DBaseTexture8.hpp"
+#include "Debug.hpp"
+
+#include <malloc.h>
+#include <assert.h>
+
+extern bool quadLayoutEnabled;
+
+namespace D3D8
+{
+	static sw::Resource *getParentResource(Unknown *container)
+	{
+		Direct3DBaseTexture8 *baseTexture = dynamic_cast<Direct3DBaseTexture8*>(container);
+
+		if(baseTexture)
+		{
+			return baseTexture->getResource();
+		}
+
+		return 0;
+	}
+
+	int sampleCount(D3DMULTISAMPLE_TYPE multiSample)
+	{
+		if(multiSample == D3DMULTISAMPLE_2_SAMPLES)
+		{
+			return 2;
+		}
+		else if(multiSample == D3DMULTISAMPLE_4_SAMPLES)
+		{
+			return 4;
+		}
+		else if(multiSample == D3DMULTISAMPLE_8_SAMPLES)
+		{
+			return 8;
+		}
+		else if(multiSample == D3DMULTISAMPLE_16_SAMPLES)
+		{
+			return 16;
+		}
+
+		return 1;
+	}
+
+	Direct3DSurface8::Direct3DSurface8(Direct3DDevice8 *device, Unknown *container, int width, int height, D3DFORMAT format, D3DPOOL pool, D3DMULTISAMPLE_TYPE multiSample, bool lockable, unsigned long usage) : Surface(getParentResource(container), width, height, sampleCount(multiSample), translateFormat(format), lockable, (usage & D3DUSAGE_RENDERTARGET) == D3DUSAGE_RENDERTARGET || (usage & D3DUSAGE_DEPTHSTENCIL) == D3DUSAGE_DEPTHSTENCIL), device(device), container(container), width(width), height(height), format(format), pool(pool), multiSample(multiSample), lockable(lockable), usage(usage)
+	{
+		parentTexture = dynamic_cast<Direct3DBaseTexture8*>(container);
+
+		resource = new Direct3DResource8(device, D3DRTYPE_SURFACE, memoryUsage(width, height, format));
+	}
+
+	Direct3DSurface8::~Direct3DSurface8()
+	{
+		resource->Release();
+	}
+
+	long Direct3DSurface8::QueryInterface(const IID &iid, void **object)
+	{
+		TRACE("");
+
+		if(iid == IID_IDirect3DSurface8 ||
+		   iid == IID_IUnknown)
+		{
+			AddRef();
+			*object = this;
+
+			return S_OK;
+		}
+
+		*object = 0;
+
+		return NOINTERFACE(iid);
+	}
+
+	unsigned long Direct3DSurface8::AddRef()
+	{
+		TRACE("");
+
+		if(parentTexture)
+		{
+			return parentTexture->AddRef();
+		}
+
+		return Unknown::AddRef();
+	}
+
+	unsigned long Direct3DSurface8::Release()
+	{
+		TRACE("");
+
+		if(parentTexture)
+		{
+			return parentTexture->Release();
+		}
+
+		return Unknown::Release();
+	}
+
+	long Direct3DSurface8::FreePrivateData(const GUID &guid)
+	{
+		TRACE("");
+
+		return resource->FreePrivateData(guid);
+	}
+
+	long Direct3DSurface8::GetPrivateData(const GUID &guid, void *data, unsigned long *size)
+	{
+		TRACE("");
+
+		return resource->GetPrivateData(guid, data, size);
+	}
+
+	long Direct3DSurface8::SetPrivateData(const GUID &guid, const void *data, unsigned long size, unsigned long flags)
+	{
+		TRACE("");
+
+		return resource->SetPrivateData(guid, data, size, flags);
+	}
+
+	long Direct3DSurface8::GetDevice(IDirect3DDevice8 **device)
+	{
+		TRACE("");
+
+		return resource->GetDevice(device);
+	}
+
+	long Direct3DSurface8::LockRect(D3DLOCKED_RECT *lockedRect, const RECT *rect, unsigned long flags)
+	{
+		TRACE("");
+
+		if(!lockedRect)
+		{
+			return INVALIDCALL();
+		}
+
+		lockedRect->Pitch = getExternalPitchB();
+
+		sw::Lock lock = sw::LOCK_READWRITE;
+
+		if(flags & D3DLOCK_DISCARD)
+		{
+			lock = sw::LOCK_DISCARD;
+		}
+
+		if(flags & D3DLOCK_READONLY)
+		{
+			lock = sw::LOCK_READONLY;
+		}
+
+		if(rect)
+		{
+			lockedRect->pBits = lockExternal(rect->left, rect->top, 0, lock, sw::PUBLIC);
+		}
+		else
+		{
+			lockedRect->pBits = lockExternal(0, 0, 0, lock, sw::PUBLIC);
+		}
+
+		unlockExternal();
+
+		return D3D_OK;
+	}
+
+	long Direct3DSurface8::UnlockRect()
+	{
+		TRACE("");
+
+		return D3D_OK;
+	}
+
+	long Direct3DSurface8::GetContainer(const IID &iid, void **container)
+	{
+		TRACE("");
+
+		if(!container)
+		{
+			return INVALIDCALL();
+		}
+
+		long result = this->container->QueryInterface(iid, container);
+
+		if(result == S_OK)
+		{
+			return D3D_OK;
+		}
+
+		return INVALIDCALL();
+	}
+
+	long Direct3DSurface8::GetDesc(D3DSURFACE_DESC *desc)
+	{
+		TRACE("");
+
+		if(!desc)
+		{
+			return INVALIDCALL();
+		}
+
+		desc->Format = format;
+		desc->Pool = pool;
+		desc->Type = D3DRTYPE_SURFACE;
+		desc->Height = height;
+		desc->Width = width;
+		desc->Size = size(getWidth(), getHeight(), getDepth(), getExternalFormat());
+		desc->MultiSampleType = multiSample;
+		desc->Usage = usage;
+
+		return D3D_OK;
+	}
+
+	sw::Format Direct3DSurface8::translateFormat(D3DFORMAT format)
+	{
+		switch(format)
+		{
+		case D3DFMT_DXT1:			return sw::FORMAT_DXT1;
+		case D3DFMT_DXT2:			return sw::FORMAT_DXT3;
+		case D3DFMT_DXT3:			return sw::FORMAT_DXT3;
+		case D3DFMT_DXT4:			return sw::FORMAT_DXT5;
+		case D3DFMT_DXT5:			return sw::FORMAT_DXT5;
+		case D3DFMT_R3G3B2:			return sw::FORMAT_R3G3B2;
+		case D3DFMT_A8R3G3B2:		return sw::FORMAT_A8R3G3B2;
+		case D3DFMT_X4R4G4B4:		return sw::FORMAT_X4R4G4B4;
+		case D3DFMT_A4R4G4B4:		return sw::FORMAT_A4R4G4B4;
+		case D3DFMT_A8R8G8B8:		return sw::FORMAT_A8R8G8B8;
+		case D3DFMT_G16R16:			return sw::FORMAT_G16R16;
+		case D3DFMT_A2B10G10R10:	return sw::FORMAT_A2B10G10R10;
+		case D3DFMT_P8:				return sw::FORMAT_P8;
+		case D3DFMT_A8P8:			return sw::FORMAT_A8P8;
+		case D3DFMT_A8:				return sw::FORMAT_A8;
+		case D3DFMT_R5G6B5:			return sw::FORMAT_R5G6B5;
+		case D3DFMT_X1R5G5B5:		return sw::FORMAT_X1R5G5B5;
+		case D3DFMT_A1R5G5B5:		return sw::FORMAT_A1R5G5B5;
+		case D3DFMT_R8G8B8:			return sw::FORMAT_R8G8B8;
+		case D3DFMT_X8R8G8B8:		return sw::FORMAT_X8R8G8B8;
+		case D3DFMT_V8U8:			return sw::FORMAT_V8U8;
+		case D3DFMT_L6V5U5:			return sw::FORMAT_L6V5U5;
+		case D3DFMT_Q8W8V8U8:		return sw::FORMAT_Q8W8V8U8;
+		case D3DFMT_X8L8V8U8:		return sw::FORMAT_X8L8V8U8;
+		case D3DFMT_A2W10V10U10:	return sw::FORMAT_A2W10V10U10;
+		case D3DFMT_V16U16:			return sw::FORMAT_V16U16;
+		case D3DFMT_L8:				return sw::FORMAT_L8;
+		case D3DFMT_A4L4:			return sw::FORMAT_A4L4;
+		case D3DFMT_A8L8:			return sw::FORMAT_A8L8;
+		case D3DFMT_D16:			return sw::FORMAT_D16;
+		case D3DFMT_D32:			return sw::FORMAT_D32;
+		case D3DFMT_D24X8:			return sw::FORMAT_D24X8;
+		case D3DFMT_D24S8:			return sw::FORMAT_D24S8;
+		default:
+			ASSERT(false);
+		}
+
+		return sw::FORMAT_NULL;
+	}
+
+	int Direct3DSurface8::bytes(D3DFORMAT format)
+	{
+		return Surface::bytes(translateFormat(format));
+	}
+
+	unsigned int Direct3DSurface8::memoryUsage(int width, int height, D3DFORMAT format)
+	{
+		return Surface::size(width, height, 1, translateFormat(format));
+	}
+}