wine/dlls/wined3d/surface.c

/*
 * IWineD3DSurface Implementation
 *
 * Copyright 2002-2005 Jason Edmeades
 * Copyright 2002-2003 Raphael Junqueira
 * Copyright 2004 Christian Costa
 * Copyright 2005 Oliver Stieber
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "config.h"
#include "wined3d_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(d3d_surface);
#define GLINFO_LOCATION ((IWineD3DImpl *)(((IWineD3DDeviceImpl *)This->resource.wineD3DDevice)->wineD3D))->gl_info

/* *******************************************
   IWineD3DSurface IUnknown parts follow
   ******************************************* */
HRESULT WINAPI IWineD3DSurfaceImpl_QueryInterface(IWineD3DSurface *iface, REFIID riid, LPVOID *ppobj)
{
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    /* Warn ,but be nice about things */
    TRACE("(%p)->(%s,%p) \n", This,debugstr_guid(riid),ppobj);
    if (riid == NULL) {
        ERR("Probably FIXME: Calling query interface with NULL riid\n");
    }
    if (IsEqualGUID(riid, &IID_IUnknown)
        || IsEqualGUID(riid, &IID_IWineD3DResource)
        || IsEqualGUID(riid, &IID_IWineD3DSurface)) {
        IUnknown_AddRef((IUnknown*)iface);
        *ppobj = This;
        return D3D_OK;
    }
    return E_NOINTERFACE;
}

ULONG WINAPI IWineD3DSurfaceImpl_AddRef(IWineD3DSurface *iface) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    ULONG ref = InterlockedIncrement(&This->resource.ref);
    TRACE("(%p) : AddRef increasing from %ld\n", This,ref - 1);
    return ref;
}

ULONG WINAPI IWineD3DSurfaceImpl_Release(IWineD3DSurface *iface) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    ULONG ref = InterlockedDecrement(&This->resource.ref);
    TRACE("(%p) : Releasing from %ld\n", This, ref + 1);
    if (ref == 0) {
        TRACE("(%p) : cleaning up\n", This);
        if (This->glDescription.textureName != 0) { /* release the openGL texture.. */
            ENTER_GL();
            TRACE("Deleting texture %d\n", This->glDescription.textureName);
            glDeleteTextures(1, &This->glDescription.textureName);
            LEAVE_GL();
        }
        IWineD3DResourceImpl_CleanUp((IWineD3DResource *)iface);

        TRACE("(%p) Released\n", This);
        HeapFree(GetProcessHeap(), 0, This);

    }
    return ref;
}

/* ****************************************************
   IWineD3DSurface IWineD3DResource parts follow
   **************************************************** */
HRESULT WINAPI IWineD3DSurfaceImpl_GetDevice(IWineD3DSurface *iface, IWineD3DDevice** ppDevice) {
    return IWineD3DResourceImpl_GetDevice((IWineD3DResource *)iface, ppDevice);
}

HRESULT WINAPI IWineD3DSurfaceImpl_SetPrivateData(IWineD3DSurface *iface, REFGUID refguid, CONST void* pData, DWORD SizeOfData, DWORD Flags) {
    return IWineD3DResourceImpl_SetPrivateData((IWineD3DResource *)iface, refguid, pData, SizeOfData, Flags);
}

HRESULT WINAPI IWineD3DSurfaceImpl_GetPrivateData(IWineD3DSurface *iface, REFGUID refguid, void* pData, DWORD* pSizeOfData) {
    return IWineD3DResourceImpl_GetPrivateData((IWineD3DResource *)iface, refguid, pData, pSizeOfData);
}

HRESULT WINAPI IWineD3DSurfaceImpl_FreePrivateData(IWineD3DSurface *iface, REFGUID refguid) {
    return IWineD3DResourceImpl_FreePrivateData((IWineD3DResource *)iface, refguid);
}

DWORD   WINAPI IWineD3DSurfaceImpl_SetPriority(IWineD3DSurface *iface, DWORD PriorityNew) {
    return IWineD3DResourceImpl_SetPriority((IWineD3DResource *)iface, PriorityNew);
}

DWORD   WINAPI IWineD3DSurfaceImpl_GetPriority(IWineD3DSurface *iface) {
    return IWineD3DResourceImpl_GetPriority((IWineD3DResource *)iface);
}

void    WINAPI IWineD3DSurfaceImpl_PreLoad(IWineD3DSurface *iface) {
    /* TODO: re-write the way textures and managed,
    *  use a 'opengl context manager' to manage RenderTarget surfaces
    ** *********************************************************/

    /* TODO: check for locks */
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    IWineD3DBaseTexture *baseTexture = NULL;
    TRACE("(%p)Checking to see if the container is a base texture\n", This);
    if (IWineD3DSurface_GetContainer(iface, &IID_IWineD3DBaseTexture, (void **)&baseTexture) == D3D_OK) {
        TRACE("Passing to conatiner\n");
        IWineD3DBaseTexture_PreLoad(baseTexture);
        IWineD3DBaseTexture_Release(baseTexture);
    } else {
    TRACE("(%p) : About to load surface\n", This);
    ENTER_GL();
#if 0 /* TODO: context manager support */
     IWineD3DContextManager_PushState(This->contextManager, GL_TEXTURE_2D, ENABLED, NOW /* make sure the state is applied now */);
#endif
    glEnable(This->glDescription.target);/* make sure texture support is enabled in this context */
    if (This->glDescription.level == 0 &&  This->glDescription.textureName == 0) {
          glGenTextures(1, &This->glDescription.textureName);
          checkGLcall("glGenTextures");
          TRACE("Surface %p given name %d\n", This, This->glDescription.textureName);
          glBindTexture(This->glDescription.target, This->glDescription.textureName);
          checkGLcall("glBindTexture");
          IWineD3DSurface_LoadTexture(iface);
          /* This is where we should be reducing the amount of GLMemoryUsed */
    } else {
        if (This->glDescription.level == 0) {
          glBindTexture(This->glDescription.target, This->glDescription.textureName);
          checkGLcall("glBindTexture");
          IWineD3DSurface_LoadTexture(iface);
        } else  if (This->glDescription.textureName != 0) { /* NOTE: the level 0 surface of a mpmapped texture must be loaded first! */
            /* assume this is a coding error not a real error for now */
            FIXME("Mipmap surface has a glTexture bound to it!\n");
        }
    }
    if (This->resource.pool == D3DPOOL_DEFAULT) {
       /* Tell opengl to try and keep this texture in video ram (well mostly) */
       GLclampf tmp;
       tmp = 0.9f;
        glPrioritizeTextures(1, &This->glDescription.textureName, &tmp);
    }
    /* TODO: disable texture support, if it wastn't enabled when we entered. */
#if 0 /* TODO: context manager support */
     IWineD3DContextManager_PopState(This->contextManager, GL_TEXTURE_2D, DISABLED,DELAYED
              /* we don't care when the state is disabled(if atall) */);
#endif
    LEAVE_GL();
    }
    return;
}

D3DRESOURCETYPE WINAPI IWineD3DSurfaceImpl_GetType(IWineD3DSurface *iface) {
    TRACE("(%p) : calling resourceimpl_GetType\n", iface);
    return IWineD3DResourceImpl_GetType((IWineD3DResource *)iface);
}

HRESULT WINAPI IWineD3DSurfaceImpl_GetParent(IWineD3DSurface *iface, IUnknown **pParent) {
    TRACE("(%p) : calling resourceimpl_GetParent\n", iface);
    return IWineD3DResourceImpl_GetParent((IWineD3DResource *)iface, pParent);
}

/* ******************************************************
   IWineD3DSurface IWineD3DSurface parts follow
   ****************************************************** */

HRESULT WINAPI IWineD3DSurfaceImpl_GetContainer(IWineD3DSurface* iface, REFIID riid, void** ppContainer) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    HRESULT hr;
    if (ppContainer == NULL) {
            ERR("Get container called witout a null ppContainer\n");
        return E_NOINTERFACE;
    }
    TRACE("(%p) : Relaying to queryInterface %p %p\n", This, ppContainer, *ppContainer);
    /** From MSDN:
     * If the surface is created using CreateImageSurface/CreateOffscreenPlainSurface, CreateRenderTarget,
     * or CreateDepthStencilSurface, the surface is considered stand alone. In this case,
     * GetContainer will return the Direct3D device used to create the surface.
     */
    hr = IUnknown_QueryInterface(This->container, riid, ppContainer);
    return hr;
}

HRESULT WINAPI IWineD3DSurfaceImpl_GetDesc(IWineD3DSurface *iface, WINED3DSURFACE_DESC *pDesc) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;

    TRACE("(%p) : copying into %p\n", This, pDesc);
    if(pDesc->Format != NULL)             *(pDesc->Format) = This->resource.format;
    if(pDesc->Type != NULL)               *(pDesc->Type)   = This->resource.resourceType;
    if(pDesc->Usage != NULL)              *(pDesc->Usage)              = This->resource.usage;
    if(pDesc->Pool != NULL)               *(pDesc->Pool)               = This->resource.pool;
    if(pDesc->Size != NULL)               *(pDesc->Size)               = This->resource.size;   /* dx8 only */
    if(pDesc->MultiSampleType != NULL)    *(pDesc->MultiSampleType)    = This->currentDesc.MultiSampleType;
    if(pDesc->MultiSampleQuality != NULL) *(pDesc->MultiSampleQuality) = This->currentDesc.MultiSampleQuality;
    if(pDesc->Width != NULL)              *(pDesc->Width)              = This->currentDesc.Width;
    if(pDesc->Height != NULL)             *(pDesc->Height)             = This->currentDesc.Height;
    return D3D_OK;
}

void WINAPI IWineD3DSurfaceImpl_SetGlTextureDesc(IWineD3DSurface *iface, UINT textureName, int target) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    TRACE("(%p) : setting textureName %u, target %i\n", This, textureName, target);
    if (This->glDescription.textureName == 0 && textureName != 0) {
        This->Dirty = TRUE;
        IWineD3DSurface_AddDirtyRect(iface, NULL);
    }
    This->glDescription.textureName = textureName;
    This->glDescription.target      = target;
}

void WINAPI IWineD3DSurfaceImpl_GetGlDesc(IWineD3DSurface *iface, glDescriptor **glDescription) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    TRACE("(%p) : returning %p\n", This, &This->glDescription);
    *glDescription = &This->glDescription;
}

/* TODO: think about moving this down to resource? */
const void *WINAPI IWineD3DSurfaceImpl_GetData(IWineD3DSurface *iface) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    /* This should only be called for sysmem textures, it may be a good idea to extend this to all pools at some point in the futture  */
    if (This->resource.pool != D3DPOOL_SYSTEMMEM) {
        FIXME(" (%p)Attempting to get system memory for a non-system memory texture\n", iface);
    }
    return (CONST void*)(This->resource.allocatedMemory);
}

HRESULT WINAPI IWineD3DSurfaceImpl_LockRect(IWineD3DSurface *iface, D3DLOCKED_RECT* pLockedRect, CONST RECT* pRect, DWORD Flags) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    IWineD3DDeviceImpl  *myDevice = This->resource.wineD3DDevice;
    IWineD3DSwapChainImpl *swapchain = NULL;
    static UINT messages = 0; /* holds flags to disable fixme messages */

    /* fixme: should we really lock as such? */
    if (This->inTexture && This->inPBuffer) {
        FIXME("Warning: Surface is in texture memory or pbuffer\n");
        This->inTexture = 0;
        This->inPBuffer = 0;
    }

    if (FALSE == This->lockable) {
        /* Note: UpdateTextures calls CopyRects which calls this routine to populate the
              texture regions, and since the destination is an unlockable region we need
              to tolerate this                                                           */
        TRACE("Warning: trying to lock unlockable surf@%p\n", This);
        /*return D3DERR_INVALIDCALL; */
    }

    if (This->resource.usage & D3DUSAGE_RENDERTARGET) {
        IWineD3DSurface_GetContainer(iface, &IID_IWineD3DSwapChain, (void **)&swapchain);

        if (swapchain != NULL ||  iface == myDevice->renderTarget || iface == myDevice->depthStencilBuffer) {
            if (swapchain != NULL && iface ==  swapchain->backBuffer) {
                TRACE("(%p, backBuffer) : rect@%p flags(%08lx), output lockedRect@%p, memory@%p\n", This, pRect, Flags, pLockedRect, This->resource.allocatedMemory);
            } else if (swapchain != NULL && iface ==  swapchain->frontBuffer) {
                TRACE("(%p, frontBuffer) : rect@%p flags(%08lx), output lockedRect@%p, memory@%p\n", This, pRect, Flags, pLockedRect, This->resource.allocatedMemory);
            } else if (iface == myDevice->renderTarget) {
                TRACE("(%p, renderTarget) : rect@%p flags(%08lx), output lockedRect@%p, memory@%p\n", This, pRect, Flags, pLockedRect, This->resource.allocatedMemory);
            } else if (iface == myDevice->depthStencilBuffer) {
                TRACE("(%p, stencilBuffer) : rect@%p flags(%08lx), output lockedRect@%p, memory@%p\n", This, pRect, Flags, pLockedRect, This->resource.allocatedMemory);
            }

            if (NULL != swapchain) {
                IWineD3DSwapChain_Release((IWineD3DSwapChain *)swapchain);
            }
            swapchain = NULL;
        }
    } else {
        TRACE("(%p) : rect@%p flags(%08lx), output lockedRect@%p, memory@%p\n", This, pRect, Flags, pLockedRect, This->resource.allocatedMemory);
    }

    /* DXTn formats don't have exact pitches as they are to the new row of blocks,
         where each block is 4x4 pixels, 8 bytes (dxt1) and 16 bytes (dxt3/5)
          ie pitch = (width/4) * bytes per block                                  */
    if (This->resource.format == WINED3DFMT_DXT1) /* DXT1 is 8 bytes per block */
        pLockedRect->Pitch = (This->currentDesc.Width >> 2) << 3;
    else if (This->resource.format == WINED3DFMT_DXT3 || This->resource.format == WINED3DFMT_DXT5) /* DXT3/5 is 16 bytes per block */
        pLockedRect->Pitch = (This->currentDesc.Width >> 2) << 4;
    else
        pLockedRect->Pitch = This->bytesPerPixel * This->currentDesc.Width;  /* Bytes / row */

    if (NULL == pRect) {
        pLockedRect->pBits = This->resource.allocatedMemory;
        This->lockedRect.left   = 0;
        This->lockedRect.top    = 0;
        This->lockedRect.right  = This->currentDesc.Width;
        This->lockedRect.bottom = This->currentDesc.Height;
        TRACE("Locked Rect (%p) = l %ld, t %ld, r %ld, b %ld\n", &This->lockedRect, This->lockedRect.left, This->lockedRect.top, This->lockedRect.right, This->lockedRect.bottom);
    } else {
        TRACE("Lock Rect (%p) = l %ld, t %ld, r %ld, b %ld\n", pRect, pRect->left, pRect->top, pRect->right, pRect->bottom);

        if (This->resource.format == WINED3DFMT_DXT1) { /* DXT1 is half byte per pixel */
            pLockedRect->pBits = This->resource.allocatedMemory + (pLockedRect->Pitch * pRect->top) + ((pRect->left * This->bytesPerPixel/2));
        } else {
            pLockedRect->pBits = This->resource.allocatedMemory + (pLockedRect->Pitch * pRect->top) + (pRect->left * This->bytesPerPixel);
        }
        This->lockedRect.left   = pRect->left;
        This->lockedRect.top    = pRect->top;
        This->lockedRect.right  = pRect->right;
        This->lockedRect.bottom = pRect->bottom;
    }

    if (This->nonpow2) {
        TRACE("Locking non-power 2 texture\n");
    }

    if (0 == This->resource.usage || This->resource.usage & D3DUSAGE_DYNAMIC) {
        /* classic surface  TODO: non 2d surfaces?
        Thease resources may be POOL_SYSTEMMEM, so they must not access the device */
        TRACE("locking an ordinarary surface\n");
        /* Check to see if memory has already been allocated fro the sufrace*/
        if (NULL == This->resource.allocatedMemory) { /* TODO: check to see if an update has been performed on the surface (an update could just clobber allocatedMemory */
            /* Non-systemmemory surfaces */

            /*Surface has no memory currently allocate to it!*/
            TRACE("(%p) Locking rect\n" , This);
            This->resource.allocatedMemory = HeapAlloc(GetProcessHeap() ,0 , This->pow2Size);

            /*Now I have to copy thing bits back*/  
            This->activeLock = TRUE; /* When this flag is set to true, laoding the surface again won't free THis->resource.allocatedMemory */
            /* TODO: make activeLock a bit more intelegent, maybe implement a method to purge the texture memory. */
            ENTER_GL();

            /* Make sure that the texture is loaded */
            IWineD3DSurface_PreLoad(iface); /* Make sure there is a texture to bind! */

            TRACE("(%p) glGetTexImage level(%d), fmt(%d), typ(%d), mem(%p) \n" , This, This->glDescription.level,  This->glDescription.glFormat, This->glDescription.glType, This->resource.allocatedMemory);
            /* TODO: DXT2 and DXT4 formats */
            if (This->resource.format == WINED3DFMT_DXT1 ||
                This->resource.format == WINED3DFMT_DXT3 ||
                This->resource.format == WINED3DFMT_DXT5) {
                TRACE("Locking a compressed texture\n");
                if (GL_SUPPORT(EXT_TEXTURE_COMPRESSION_S3TC)) { /* we can assume this as the texture would not have been created otherwise */
                    GL_EXTCALL(glGetCompressedTexImageARB)(This->glDescription.target,
                                                        This->glDescription.level,
                                                        This->resource.allocatedMemory);

                } else {
                    FIXME("(%p) attempting to lock a compressed texture when texture compression isn't supported by opengl\n", This);
                }
            } else {
                glGetTexImage(This->glDescription.target,
                            This->glDescription.level,
                            This->glDescription.glFormat,
                            This->glDescription.glType,
                            This->resource.allocatedMemory);
                vcheckGLcall("glGetTexImage");
            }
            LEAVE_GL();
        } else { /* Nothing to do */
            TRACE("Memory %p already allocted for texture\n",  This->resource.allocatedMemory);
        }

        if (NULL == pRect) {
            pLockedRect->pBits = This->resource.allocatedMemory;
        }  else{
            if (This->resource.format == D3DFMT_DXT1) { /* DXT1 is half byte per pixel */
                pLockedRect->pBits = This->resource.allocatedMemory + (pLockedRect->Pitch * pRect->top) + ((pRect->left * This->bytesPerPixel/2));
            } else {
                pLockedRect->pBits = This->resource.allocatedMemory + (pLockedRect->Pitch * pRect->top) + (pRect->left * This->bytesPerPixel);
            }
        }

    } else if (D3DUSAGE_RENDERTARGET & This->resource.usage && !(Flags&D3DLOCK_DISCARD)) { /* render surfaces */

        GLint  prev_store;
        GLenum prev_read;
        BOOL notInContext = FALSE;
        IWineD3DSwapChainImpl *targetSwapChain = NULL;


        ENTER_GL();

            /**
             * for render->surface copy begin to begin of allocatedMemory
             * unlock can be more easy
             */

        TRACE("locking a render target\n");

        if (This->resource.allocatedMemory == NULL)
                This->resource.allocatedMemory = HeapAlloc(GetProcessHeap() ,0 ,This->resource.size);

        This->activeLock = TRUE; /*When this flag is set to true, loading the surface again won't free THis->resource.allocatedMemory*/
        pLockedRect->pBits = This->resource.allocatedMemory;

        glFlush();
        vcheckGLcall("glFlush");
        glGetIntegerv(GL_READ_BUFFER, &prev_read);
        vcheckGLcall("glIntegerv");
        glGetIntegerv(GL_PACK_SWAP_BYTES, &prev_store);
        vcheckGLcall("glIntegerv");

 /* Here's what we have to do:
            See if the swapchain has the same context as the renderTarget or the surface is the render target.
            Otherwise, see if were sharing a context with the implicit swapchain (because we're using a shared context model!)
            and use the front back buffer as required.
            if not, we need to switch contexts and then switchback at the end.
         */
        IWineD3DSurface_GetContainer(iface, &IID_IWineD3DSwapChain, (void **)&swapchain);
        IWineD3DSurface_GetContainer(myDevice->renderTarget, &IID_IWineD3DSwapChain, (void **)&targetSwapChain);

        /* NOTE: In a shared context environment the renderTarget will use the same context as the implicit swapchain (we're not in a shared environment yet! */
        if ((swapchain == targetSwapChain && targetSwapChain != NULL) || iface == myDevice->renderTarget) {
                if (iface == myDevice->renderTarget || iface == swapchain->backBuffer) {
                    TRACE("locking back buffer\n");
                   glReadBuffer(GL_BACK);
                } else if (iface == swapchain->frontBuffer) {
                   TRACE("locking front\n");
                   glReadBuffer(GL_FRONT);
                } else if (iface == myDevice->depthStencilBuffer) {
                    FIXME("Stencil Buffer lock unsupported for now\n");
                } else {
                   FIXME("(%p) Shouldn't have got here!\n", This);
                   glReadBuffer(GL_BACK);
                }
        } else if (swapchain != NULL) {
            IWineD3DSwapChainImpl *implSwapChain;
            IWineD3DDevice_GetSwapChain((IWineD3DDevice *)myDevice, 0, (IWineD3DSwapChain **)&implSwapChain);
            if (swapchain->glCtx == implSwapChain->render_ctx && swapchain->drawable == implSwapChain->win) {
                    /* This will fail for the implicit swapchain, which is why there needs to be a context manager */
                    if (iface == swapchain->backBuffer) {
                        glReadBuffer(GL_BACK);
                    } else if (iface == swapchain->frontBuffer) {
                        glReadBuffer(GL_FRONT);
                    } else if (iface == myDevice->depthStencilBuffer) {
                        FIXME("Stencil Buffer lock unsupported for now\n");
                    } else {
                        FIXME("Should have got here!\n");
                        glReadBuffer(GL_BACK);
                    }
            } else {
                /* We need to switch contexts to be able to read the buffer!!! */
                FIXME("The buffer requested isn't in the current openGL context\n");
                notInContext = TRUE;
                /* TODO: check the contexts, to see if were shared with the current context */
            }
            IWineD3DSwapChain_Release((IWineD3DSwapChain *)implSwapChain);
        }
        if (swapchain != NULL)       IWineD3DSwapChain_Release((IWineD3DSwapChain *)swapchain);
        if (targetSwapChain != NULL) IWineD3DSwapChain_Release((IWineD3DSwapChain *)targetSwapChain);


        /** the depth stencil in openGL has a format of GL_FLOAT
        * which should be good for WINED3DFMT_D16_LOCKABLE
        * and WINED3DFMT_D16
        * it is unclear what format the stencil buffer is in except.
        * 'Each index is converted to fixed point...
        * If GL_MAP_STENCIL is GL_TRUE, indices are replaced by their
        * mappings in the table GL_PIXEL_MAP_S_TO_S.
        * glReadPixels(This->lockedRect.left,
        *             This->lockedRect.bottom - j - 1,
        *             This->lockedRect.right - This->lockedRect.left,
        *             1,
        *             GL_DEPTH_COMPONENT,
        *             type,
        *             (char *)pLockedRect->pBits + (pLockedRect->Pitch * (j-This->lockedRect.top)));
            *****************************************/
        if (!notInContext) { /* Only read the buffer if it's in the current context */
            long j;
#if 0
            /* Bizarly it takes 120 millseconds to get an 800x600 region a line at a time, but only 10 to get the whole lot every time,
            *  This is on an ATI9600, and may be format dependent, anyhow this hack makes this demo dx9_2d_demo_game
            *  run ten times faster!
            * ************************************/
            BOOL ati_performance_hack = FALSE;
            ati_performance_hack = (This->lockedRect.bottom - This->lockedRect.top > 10) || (This->lockedRect.right - This->lockedRect.left > 10)? TRUE: FALSE;
#endif
            if ((This->lockedRect.left == 0 &&  This->lockedRect.top == 0 &&
                This->lockedRect.right == This->currentDesc.Width
                && This->lockedRect.bottom ==  This->currentDesc.Height)) {
                    glReadPixels(0, 0,
                    This->currentDesc.Width,
                    This->currentDesc.Height,
                    This->glDescription.glFormat,
                    This->glDescription.glType,
                    (char *)pLockedRect->pBits);
            } else if (This->lockedRect.left == 0 &&  This->lockedRect.right == This->currentDesc.Width) {
                    glReadPixels(0,
                    This->lockedRect.top,
                    This->currentDesc.Width,
                    This->currentDesc.Height,
                    This->glDescription.glFormat,
                    This->glDescription.glType,
                    (char *)pLockedRect->pBits);
            } else{

                for (j = This->lockedRect.top; j < This->lockedRect.bottom - This->lockedRect.top; ++j) {
                    glReadPixels(This->lockedRect.left, 
                                 This->lockedRect.bottom - j - 1, 
                                 This->lockedRect.right - This->lockedRect.left, 
                                 1,
                                 This->glDescription.glFormat,
                                 This->glDescription.glType,
                                 (char *)pLockedRect->pBits + (pLockedRect->Pitch * (j-This->lockedRect.top)));

                }
            }
            vcheckGLcall("glReadPixels");
            TRACE("Resetting buffer\n");
            glReadBuffer(prev_read);
            vcheckGLcall("glReadBuffer");
        }
        LEAVE_GL();

    } else if (D3DUSAGE_DEPTHSTENCIL & This->resource.usage) { /* stencil surfaces */

        if (!messages & 1) {
            FIXME("TODO stencil depth surface locking surf%p usage(%lu)\n", This, This->resource.usage);
            /*

            glReadPixels(This->lockedRect.left,
            This->lockedRect.bottom - j - 1,
            This->lockedRect.right - This->lockedRect.left,
            1,
            GL_STENCIL_INDEX or GL_DEPTH_COMPONENT

            )
            */
            messages |= 1;
        }
    } else {
        FIXME("unsupported locking to surface surf@%p usage(%lu)\n", This, This->resource.usage);
    }

    if (Flags & (D3DLOCK_NO_DIRTY_UPDATE | D3DLOCK_READONLY)) {
        /* Don't dirtify */
    } else {
        IWineD3DBaseTexture *pBaseTexture;
        /**
         * Dirtify on lock
         * as seen in msdn docs
         */
        IWineD3DSurface_AddDirtyRect(iface, &This->lockedRect);

        /** Dirtify Container if needed */
        if (D3D_OK == IWineD3DSurface_GetContainer(iface, &IID_IWineD3DBaseTexture, (void **)&pBaseTexture) && pBaseTexture != NULL) {
            TRACE("Making container dirty\n");
            IWineD3DBaseTexture_SetDirty(pBaseTexture, TRUE);
            IWineD3DBaseTexture_Release(pBaseTexture);
        } else {
            TRACE("Surface is standalone, no need to dirty the container\n");
        }
    }

    TRACE("returning memory@%p, pitch(%d) dirtyfied(%d)\n", pLockedRect->pBits, pLockedRect->Pitch, This->Dirty);

    This->locked = TRUE;
    return D3D_OK;
}

HRESULT WINAPI IWineD3DSurfaceImpl_UnlockRect(IWineD3DSurface *iface) {
    GLint skipBytes = 0;
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    IWineD3DDeviceImpl  *myDevice = This->resource.wineD3DDevice;
    const char *buffername = "";
    IWineD3DSwapChainImpl *swapchain = NULL;

    if (FALSE == This->locked) {
        WARN("trying to Unlock an unlocked surf@%p\n", This);
        return D3DERR_INVALIDCALL;
    }

    if (D3DUSAGE_RENDERTARGET & This->resource.usage) {
        IWineD3DSurface_GetContainer(iface, &IID_IWineD3DSwapChain, (void **)&swapchain);

        if ((swapchain != NULL) &&  iface ==  swapchain->backBuffer) {
                buffername = "backBuffer";
        } else if ((swapchain != NULL) && iface ==  swapchain->frontBuffer) {
                buffername = "frontBuffer";
        } else if (iface == myDevice->depthStencilBuffer) {
                buffername = "depthStencilBuffer";
        } else if (iface == myDevice->renderTarget) {
                buffername = "renderTarget";
        }
    }

    if (swapchain != NULL) {
        IWineD3DSwapChain_Release((IWineD3DSwapChain *)swapchain);
    }

    TRACE("(%p %s) : dirtyfied(%d)\n", This, buffername, This->Dirty);

    if (FALSE == This->Dirty) {
        TRACE("(%p) : Not Dirtified so nothing to do, return now\n", This);
        goto unlock_end;
    }

    if (0 == This->resource.usage) { /* classic surface */
        /**
         * nothing to do
         * waiting to reload the surface via IDirect3DDevice8::UpdateTexture
         */
    } else if (D3DUSAGE_RENDERTARGET & This->resource.usage) { /* render surfaces */

        /****************************
        * TODO: Render targets are 'special' and
        * ?some? locking needs to be passed onto the context manager
        * so that it becomes possible to use auxilary buffers, pbuffers
        * render-to-texture, shared, cached contexts etc...
        * ****************************/
        IWineD3DSwapChainImpl *implSwapChain;
        IWineD3DDevice_GetSwapChain((IWineD3DDevice *)myDevice, 0, (IWineD3DSwapChain **)&implSwapChain);

        if (iface ==  implSwapChain->backBuffer || iface ==  implSwapChain->frontBuffer || iface == myDevice->renderTarget) {
            GLint  prev_store;
            GLenum prev_draw;
            GLint  prev_rasterpos[4];

            ENTER_GL();

            glFlush();
            vcheckGLcall("glFlush");
            glGetIntegerv(GL_DRAW_BUFFER, &prev_draw);
            vcheckGLcall("glIntegerv");
            glGetIntegerv(GL_PACK_SWAP_BYTES, &prev_store);
            vcheckGLcall("glIntegerv");
            glGetIntegerv(GL_CURRENT_RASTER_POSITION, &prev_rasterpos[0]);
            vcheckGLcall("glIntegerv");
            glPixelZoom(1.0, -1.0);
            vcheckGLcall("glPixelZoom");

            /* glDrawPixels transforms the raster position as though it was a vertex -
               we want to draw at screen position 0,0 - Set up ortho (rhw) mode as
               per drawprim (and leave set - it will sort itself out due to last_was_rhw */
            if (!myDevice->last_was_rhw) {

                double X, Y, height, width, minZ, maxZ;
                myDevice->last_was_rhw = TRUE;

                /* Transformed already into viewport coordinates, so we do not need transform
                   matrices. Reset all matrices to identity and leave the default matrix in world
                   mode.                                                                         */
                glMatrixMode(GL_MODELVIEW);
                checkGLcall("glMatrixMode");
                glLoadIdentity();
                checkGLcall("glLoadIdentity");

                glMatrixMode(GL_PROJECTION);
                checkGLcall("glMatrixMode");
                glLoadIdentity();
                checkGLcall("glLoadIdentity");

                /* Set up the viewport to be full viewport */
                X      = myDevice->stateBlock->viewport.X;
                Y      = myDevice->stateBlock->viewport.Y;
                height = myDevice->stateBlock->viewport.Height;
                width  = myDevice->stateBlock->viewport.Width;
                minZ   = myDevice->stateBlock->viewport.MinZ;
                maxZ   = myDevice->stateBlock->viewport.MaxZ;
                TRACE("Calling glOrtho with %f, %f, %f, %f\n", width, height, -minZ, -maxZ);
                glOrtho(X, X + width, Y + height, Y, -minZ, -maxZ);
                checkGLcall("glOrtho");

                /* Window Coord 0 is the middle of the first pixel, so translate by half
                   a pixel (See comment above glTranslate below)                         */
                glTranslatef(0.5, 0.5, 0);
                checkGLcall("glTranslatef(0.5, 0.5, 0)");
            }

            if (iface ==  implSwapChain->backBuffer || iface == myDevice->renderTarget) {
                glDrawBuffer(GL_BACK);
            } else if (iface ==  implSwapChain->frontBuffer) {
                glDrawBuffer(GL_FRONT);
            }

            vcheckGLcall("glDrawBuffer");

            /* If not fullscreen, we need to skip a number of bytes to find the next row of data */
            glGetIntegerv(GL_UNPACK_ROW_LENGTH, &skipBytes);
            glPixelStorei(GL_UNPACK_ROW_LENGTH, This->currentDesc.Width);

            /* And back buffers are not blended */
            glDisable(GL_BLEND);

            glRasterPos3i(This->lockedRect.left, This->lockedRect.top, 1);
            vcheckGLcall("glRasterPos2f");
            switch (This->resource.format) {
            case WINED3DFMT_R5G6B5:
                {
                    glDrawPixels(This->lockedRect.right - This->lockedRect.left, (This->lockedRect.bottom - This->lockedRect.top)-1,
                                 GL_RGB, GL_UNSIGNED_SHORT_5_6_5, This->resource.allocatedMemory);
                    vcheckGLcall("glDrawPixels");
                }
                break;
            case WINED3DFMT_R8G8B8:
                {
                    glDrawPixels(This->lockedRect.right - This->lockedRect.left, (This->lockedRect.bottom - This->lockedRect.top)-1,
                                 GL_RGB, GL_UNSIGNED_BYTE, This->resource.allocatedMemory);
                    vcheckGLcall("glDrawPixels");
                }
                break;
            case WINED3DFMT_X8R8G8B8: /* FIXME: there's no alpha change with D3DFMT_X8R8G8B8 but were using GL_BGRA */
            case WINED3DFMT_A8R8G8B8:
                {
                    glPixelStorei(GL_PACK_SWAP_BYTES, TRUE);
                    vcheckGLcall("glPixelStorei");
                    glDrawPixels(This->lockedRect.right - This->lockedRect.left, (This->lockedRect.bottom - This->lockedRect.top)-1,
                                 GL_BGRA, GL_UNSIGNED_BYTE, This->resource.allocatedMemory);
                    vcheckGLcall("glDrawPixels");
                    glPixelStorei(GL_PACK_SWAP_BYTES, prev_store);
                    vcheckGLcall("glPixelStorei");
                }
                break;
            default:
                FIXME("Unsupported Format %u in locking func\n", This->resource.format);
            }

            glPixelZoom(1.0,1.0);
            vcheckGLcall("glPixelZoom");
            glDrawBuffer(prev_draw);
            vcheckGLcall("glDrawBuffer");
            glRasterPos3iv(&prev_rasterpos[0]);
            vcheckGLcall("glRasterPos3iv");

            /* Reset to previous pack row length / blending state */
            glPixelStorei(GL_UNPACK_ROW_LENGTH, skipBytes);
            if (myDevice->stateBlock->renderState[D3DRS_ALPHABLENDENABLE]) glEnable(GL_BLEND);

            LEAVE_GL();

            /** restore clean dirty state */
            IWineD3DSurface_CleanDirtyRect(iface);

        } else {
            FIXME("unsupported unlocking to Rendering surface surf@%p usage(%lu)\n", This, This->resource.usage);
        }
        IWineD3DSwapChain_Release((IWineD3DSwapChain *)implSwapChain);

    } else if (D3DUSAGE_DEPTHSTENCIL & This->resource.usage) { /* stencil surfaces */

        if (iface == myDevice->depthStencilBuffer) {
            FIXME("TODO stencil depth surface unlocking surf@%p usage(%lu)\n", This, This->resource.usage);
        } else {
            FIXME("unsupported unlocking to StencilDepth surface surf@%p usage(%lu)\n", This, This->resource.usage);
        }

    } else {
        FIXME("unsupported unlocking to surface surf@%p usage(%lu)\n", This, This->resource.usage);
    }

    unlock_end:
    This->locked = FALSE;
    memset(&This->lockedRect, 0, sizeof(RECT));
    return D3D_OK;
}

HRESULT WINAPI IWineD3DSurfaceImpl_GetDC(IWineD3DSurface *iface, HDC *pHDC) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    FIXME("No support for GetDC yet for surface %p\n", This);
    return D3DERR_INVALIDCALL;
}

HRESULT WINAPI IWineD3DSurfaceImpl_ReleaseDC(IWineD3DSurface *iface, HDC hDC) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    FIXME("No support for ReleaseDC yet for surface %p\n", This);
    return D3DERR_INVALIDCALL;
}

/* ******************************************************
   IWineD3DSurface Internal (No mapping to directx api) parts follow
   ****************************************************** */
HRESULT WINAPI IWineD3DSurfaceImpl_LoadTexture(IWineD3DSurface *iface) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;

    if (This->inTexture) {
        TRACE("Surface already in texture\n");
        return D3D_OK;
    }
    if (This->Dirty == FALSE) {
        TRACE("surface isn't dirty\n");
        return D3D_OK;
    }

    This->Dirty = FALSE;

    /* Resources are placed in system RAM and do not need to be recreated when a device is lost. These resources are not bound by device size or format restrictions. Because of this, these resources cannot be accessed by the Direct3D device nor set as textures or render targets. However, these resources can always be created, locked, and copied. */
    if (This->resource.pool == D3DPOOL_SCRATCH || This->resource.pool == D3DPOOL_SYSTEMMEM) /*never store scratch or system mem textures in the video ram*/
    {
        FIXME("(%p) Opperation not supported for scratch or SYSTEMMEM textures\n",This);
        return D3DERR_INVALIDCALL;
    }

    if (This->inPBuffer) {
        ENTER_GL();

        if (This->glDescription.level != 0)
            FIXME("Surface in texture is only supported for level 0\n");
        else if (This->resource.format == WINED3DFMT_P8 || This->resource.format == WINED3DFMT_A8P8 ||
                 This->resource.format == WINED3DFMT_DXT1 || This->resource.format == WINED3DFMT_DXT3 ||
                 This->resource.format == WINED3DFMT_DXT5)
            FIXME("Format %d not supported\n", This->resource.format);
        else {
            GLenum prevRead;
            glGetIntegerv(GL_READ_BUFFER, &prevRead);
            vcheckGLcall("glGetIntegerv");
            glReadBuffer(GL_BACK);
            vcheckGLcall("glReadBuffer");

            glCopyTexImage2D(This->glDescription.target,
                             This->glDescription.level,
                             This->glDescription.glFormatInternal,
                             0,
                             0,
                             This->currentDesc.Width,
                             This->currentDesc.Height,
                             0);

            checkGLcall("glCopyTexImage2D");
            glReadBuffer(prevRead);
            vcheckGLcall("glReadBuffer");
            TRACE("Updating target %d\n", This->glDescription.target);
            This->inTexture = TRUE;
        }
        LEAVE_GL();
        return D3D_OK;
    }

    if ((This->resource.format == WINED3DFMT_P8 || This->resource.format == WINED3DFMT_A8P8) &&
        !GL_SUPPORT(EXT_PALETTED_TEXTURE)) {
        /**
         * wanted a paletted texture and not really support it in HW
         * so software emulation code begin
         */
        UINT i;
        PALETTEENTRY* pal = This->resource.wineD3DDevice->palettes[This->resource.wineD3DDevice->currentPalette];
        VOID* surface = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->currentDesc.Width * This->currentDesc.Height * sizeof(DWORD));
        BYTE* dst = (BYTE*) surface;
        BYTE* src = (BYTE*) This->resource.allocatedMemory;

        for (i = 0; i < This->currentDesc.Width * This->currentDesc.Height; i++) {
            BYTE color = *src++;
            *dst++ = pal[color].peRed;
            *dst++ = pal[color].peGreen;
            *dst++ = pal[color].peBlue;
            if (This->resource.format == WINED3DFMT_A8P8)
                *dst++ = pal[color].peFlags;
            else
                *dst++ = 0xFF;
        }

        ENTER_GL();

        TRACE("Calling glTexImage2D %x i=%d, intfmt=%x, w=%d, h=%d,0=%d, glFmt=%x, glType=%x, Mem=%p\n",
              This->glDescription.target,
              This->glDescription.level,
              GL_RGBA,
              This->currentDesc.Width,
              This->currentDesc.Height,
              0,
              GL_RGBA,
              GL_UNSIGNED_BYTE,
              surface);
        glTexImage2D(This->glDescription.target,
                     This->glDescription.level,
                     GL_RGBA,
                     This->currentDesc.Width,
                     This->currentDesc.Height,
                     0,
                     GL_RGBA,
                     GL_UNSIGNED_BYTE,
                     surface);
        checkGLcall("glTexImage2D");
        HeapFree(GetProcessHeap(), 0, surface);

        LEAVE_GL();

        return D3D_OK;
    }

    /* TODO: Compressed non-power 2 support */
    /* TODO: DXT2 DXT4 support */
    if (This->resource.format == WINED3DFMT_DXT1 ||
        This->resource.format == WINED3DFMT_DXT3 ||
        This->resource.format == WINED3DFMT_DXT5) {
        if (GL_SUPPORT(EXT_TEXTURE_COMPRESSION_S3TC)) {
            TRACE("Calling glCompressedTexImage2D %x i=%d, intfmt=%x, w=%d, h=%d,0=%d, sz=%d, Mem=%p\n",
                  This->glDescription.target,
                  This->glDescription.level,
                  This->glDescription.glFormatInternal,
                  This->currentDesc.Width,
                  This->currentDesc.Height,
                  0,
                  This->resource.size,
                  This->resource.allocatedMemory);

            ENTER_GL();

            GL_EXTCALL(glCompressedTexImage2DARB)(This->glDescription.target,
                                                  This->glDescription.level,
                                                  This->glDescription.glFormatInternal,
                                                  This->currentDesc.Width,
                                                  This->currentDesc.Height,
                                                  0,
                                                  This->resource.size,
                                                  This->resource.allocatedMemory);
            checkGLcall("glCommpressedTexTexImage2D");

            LEAVE_GL();

            if(This->activeLock == FALSE){
                HeapFree(GetProcessHeap(), 0, This->resource.allocatedMemory);
                This->resource.allocatedMemory = NULL;
            }

        } else {
            FIXME("Using DXT1/3/5 without advertized support\n");
        }
    } else {

       /* TODO: possibly use texture rectangle (though we are probably more compatible without it) */
        if (This->nonpow2 == TRUE) {

            TRACE("non power of two support\n");
            ENTER_GL();
            TRACE("(%p) Calling 2 glTexImage2D %x i=%d, d3dfmt=%s, intfmt=%x, w=%d, h=%d,0=%d, glFmt=%x, glType=%x, Mem=%p\n", This,
                This->glDescription.target,
                This->glDescription.level,
                debug_d3dformat(This->resource.format),
                This->glDescription.glFormatInternal,
                This->pow2Width,
                This->pow2Height,
                0,
                This->glDescription.glFormat,
                This->glDescription.glType,
                NULL);

            glTexImage2D(This->glDescription.target,
                         This->glDescription.level,
                         This->glDescription.glFormatInternal,
                         This->pow2Width,
                         This->pow2Height,
                         0/*border*/,
                         This->glDescription.glFormat,
                         This->glDescription.glType,
                         NULL);

            checkGLcall("glTexImage2D");
            if (This->resource.allocatedMemory != NULL) {
                TRACE("(%p) Calling glTexSubImage2D w(%d) h(%d) mem(%p)\n", This, This->currentDesc.Width, This->currentDesc.Height, This->resource.allocatedMemory);
                /* And map the non-power two data into the top left corner */
                glTexSubImage2D(
                    This->glDescription.target,
                    This->glDescription.level,
                    0 /* xoffset */,
                    0 /* ysoffset */ ,
                    This->currentDesc.Width,
                    This->currentDesc.Height,
                    This->glDescription.glFormat,
                    This->glDescription.glType,
                    This->resource.allocatedMemory
                );
                checkGLcall("glTexSubImage2D");
            }
            LEAVE_GL();

        } else {

            TRACE("Calling 2 glTexImage2D %x i=%d, d3dfmt=%s, intfmt=%x, w=%d, h=%d,0=%d, glFmt=%x, glType=%x, Mem=%p\n",
                This->glDescription.target,
                This->glDescription.level,
                debug_d3dformat(This->resource.format),
                This->glDescription.glFormatInternal,
                This->currentDesc.Width,
                This->currentDesc.Height,
                0,
                This->glDescription.glFormat,
                This->glDescription.glType,
                This->resource.allocatedMemory);

            ENTER_GL();
            glTexImage2D(This->glDescription.target,
                        This->glDescription.level,
                        This->glDescription.glFormatInternal,
                        This->currentDesc.Width,
                        This->currentDesc.Height,
                        0 /* border */,
                        This->glDescription.glFormat,
                        This->glDescription.glType,
                        This->resource.allocatedMemory);
            checkGLcall("glTexImage2D");
            LEAVE_GL();
        }

#if 0
        {
            static unsigned int gen = 0;
            char buffer[4096];
            ++gen;
            if ((gen % 10) == 0) {
                snprintf(buffer, sizeof(buffer), "/tmp/surface%p_type%u_level%u_%u.ppm", This, This->glDescription.target, This->glDescription.level, gen);
                IWineD3DSurfaceImpl_SaveSnapshot(iface, buffer);
            }
            /*
             * debugging crash code
            if (gen == 250) {
              void** test = NULL;
              *test = 0;
            }
            */
        }
#endif
        if(This->activeLock == FALSE){
            HeapFree(GetProcessHeap(),0,This->resource.allocatedMemory);
            This->resource.allocatedMemory = NULL;
        }

    }

    return D3D_OK;
}

#include <errno.h>
#include <stdio.h>
HRESULT WINAPI IWineD3DSurfaceImpl_SaveSnapshot(IWineD3DSurface *iface, const char* filename) {
    FILE* f = NULL;
    ULONG i;
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;

    f = fopen(filename, "w+");
    if (NULL == f) {
        ERR("opening of %s failed with: %s\n", filename, strerror(errno));
        return D3DERR_INVALIDCALL;
    }

    TRACE("opened %s with format %s\n", filename, debug_d3dformat(This->resource.format));

    fprintf(f, "P6\n%u %u\n255\n", This->currentDesc.Width, This->currentDesc.Height);
    switch (This->resource.format) {
    case WINED3DFMT_X8R8G8B8:
    case WINED3DFMT_A8R8G8B8:
        {
            DWORD color;
            for (i = 0; i < This->currentDesc.Width * This->currentDesc.Height; i++) {
                color = ((DWORD*) This->resource.allocatedMemory)[i];
                fputc((color >> 16) & 0xFF, f);
                fputc((color >>  8) & 0xFF, f);
                fputc((color >>  0) & 0xFF, f);
            }
        }
        break;
    case WINED3DFMT_R8G8B8:
        {
            BYTE* color;
            for (i = 0; i < This->currentDesc.Width * This->currentDesc.Height; i++) {
                color = ((BYTE*) This->resource.allocatedMemory) + (3 * i);
                fputc((color[0]) & 0xFF, f);
                fputc((color[1]) & 0xFF, f);
                fputc((color[2]) & 0xFF, f);
            }
        }
        break;
    case WINED3DFMT_A1R5G5B5:
        {
            WORD color;
            for (i = 0; i < This->currentDesc.Width * This->currentDesc.Height; i++) {
                color = ((WORD*) This->resource.allocatedMemory)[i];
                fputc(((color >> 10) & 0x1F) * 255 / 31, f);
                fputc(((color >>  5) & 0x1F) * 255 / 31, f);
                fputc(((color >>  0) & 0x1F) * 255 / 31, f);
            }
        }
        break;
    case WINED3DFMT_A4R4G4B4:
        {
            WORD color;
            for (i = 0; i < This->currentDesc.Width * This->currentDesc.Height; i++) {
                color = ((WORD*) This->resource.allocatedMemory)[i];
                fputc(((color >>  8) & 0x0F) * 255 / 15, f);
                fputc(((color >>  4) & 0x0F) * 255 / 15, f);
                fputc(((color >>  0) & 0x0F) * 255 / 15, f);
            }
        }
        break;

    case WINED3DFMT_R5G6B5:
        {
            WORD color;
            for (i = 0; i < This->currentDesc.Width * This->currentDesc.Height; i++) {
                color = ((WORD*) This->resource.allocatedMemory)[i];
                fputc(((color >> 11) & 0x1F) * 255 / 31, f);
                fputc(((color >>  5) & 0x3F) * 255 / 63, f);
                fputc(((color >>  0) & 0x1F) * 255 / 31, f);
            }
        }
        break;
    default:
        FIXME("Unimplemented dump mode format(%u,%s)\n", This->resource.format, debug_d3dformat(This->resource.format));
    }
    fclose(f);
    return D3D_OK;
}

HRESULT WINAPI IWineD3DSurfaceImpl_CleanDirtyRect(IWineD3DSurface *iface) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    This->Dirty = FALSE;
    This->dirtyRect.left   = This->currentDesc.Width;
    This->dirtyRect.top    = This->currentDesc.Height;
    This->dirtyRect.right  = 0;
    This->dirtyRect.bottom = 0;
    TRACE("(%p) : Dirty?%d, Rect:(%ld,%ld,%ld,%ld)\n", This, This->Dirty, This->dirtyRect.left,
          This->dirtyRect.top, This->dirtyRect.right, This->dirtyRect.bottom);
    return D3D_OK;
}

/**
 *   Slightly inefficient way to handle multiple dirty rects but it works :)
 */
extern HRESULT WINAPI IWineD3DSurfaceImpl_AddDirtyRect(IWineD3DSurface *iface, CONST RECT* pDirtyRect) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    IWineD3DBaseTexture *baseTexture = NULL;
    This->Dirty = TRUE;
    if (NULL != pDirtyRect) {
        This->dirtyRect.left   = min(This->dirtyRect.left,   pDirtyRect->left);
        This->dirtyRect.top    = min(This->dirtyRect.top,    pDirtyRect->top);
        This->dirtyRect.right  = max(This->dirtyRect.right,  pDirtyRect->right);
        This->dirtyRect.bottom = max(This->dirtyRect.bottom, pDirtyRect->bottom);
    } else {
        This->dirtyRect.left   = 0;
        This->dirtyRect.top    = 0;
        This->dirtyRect.right  = This->currentDesc.Width;
        This->dirtyRect.bottom = This->currentDesc.Height;
    }
    TRACE("(%p) : Dirty?%d, Rect:(%ld,%ld,%ld,%ld)\n", This, This->Dirty, This->dirtyRect.left,
          This->dirtyRect.top, This->dirtyRect.right, This->dirtyRect.bottom);
    /* if the container is a basetexture then mark it dirty. */
    if (IWineD3DSurface_GetContainer(iface, &IID_IWineD3DBaseTexture, (void **)&baseTexture) == D3D_OK) {
        TRACE("Passing to conatiner\n");
        IWineD3DBaseTexture_SetDirty(baseTexture, TRUE);
        IWineD3DBaseTexture_Release(baseTexture);
    }
    return D3D_OK;
}

HRESULT WINAPI IWineD3DSurfaceImpl_SetContainer(IWineD3DSurface *iface, IUnknown *container) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;
    TRACE("Setting container to %p from %p\n", container, This->container);
    This->container = container;
    return D3D_OK;
}

/* TODO: replace this function with context management routines */
HRESULT WINAPI IWineD3DSurfaceImpl_SetPBufferState(IWineD3DSurface *iface, BOOL inPBuffer, BOOL  inTexture) {
    IWineD3DSurfaceImpl *This = (IWineD3DSurfaceImpl *)iface;

    This->inPBuffer = inPBuffer;
    This->inTexture = inTexture;
    return D3D_OK;
}

const IWineD3DSurfaceVtbl IWineD3DSurface_Vtbl =
{
    /* IUnknown */
    IWineD3DSurfaceImpl_QueryInterface,
    IWineD3DSurfaceImpl_AddRef,
    IWineD3DSurfaceImpl_Release,
    /* IWineD3DResource */
    IWineD3DSurfaceImpl_GetParent,
    IWineD3DSurfaceImpl_GetDevice,
    IWineD3DSurfaceImpl_SetPrivateData,
    IWineD3DSurfaceImpl_GetPrivateData,
    IWineD3DSurfaceImpl_FreePrivateData,
    IWineD3DSurfaceImpl_SetPriority,
    IWineD3DSurfaceImpl_GetPriority,
    IWineD3DSurfaceImpl_PreLoad,
    IWineD3DSurfaceImpl_GetType,
    /* IWineD3DSurface */
    IWineD3DSurfaceImpl_GetContainer,
    IWineD3DSurfaceImpl_GetDesc,
    IWineD3DSurfaceImpl_LockRect,
    IWineD3DSurfaceImpl_UnlockRect,
    IWineD3DSurfaceImpl_GetDC,
    IWineD3DSurfaceImpl_ReleaseDC,
    /* Internal use: */
    IWineD3DSurfaceImpl_CleanDirtyRect,
    IWineD3DSurfaceImpl_AddDirtyRect,
    IWineD3DSurfaceImpl_LoadTexture,
    IWineD3DSurfaceImpl_SaveSnapshot,
    IWineD3DSurfaceImpl_SetContainer,
    IWineD3DSurfaceImpl_SetPBufferState,
    IWineD3DSurfaceImpl_SetGlTextureDesc,
    IWineD3DSurfaceImpl_GetGlDesc,
    IWineD3DSurfaceImpl_GetData
};