device.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

    IWineD3DDeviceImpl        *This = (IWineD3DDeviceImpl *)iface;
    IWineD3DVolumeTextureImpl *object;
    unsigned int               i;
    UINT                       tmpW;
    UINT                       tmpH;
    UINT                       tmpD;

    /* TODO: It should only be possible to create textures for formats 
             that are reported as supported */
    if (WINED3DFMT_UNKNOWN >= Format) {
        WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN\n", This);
        return WINED3DERR_INVALIDCALL;
    }

    D3DCREATERESOURCEOBJECTINSTANCE(object, VolumeTexture, WINED3DRTYPE_VOLUMETEXTURE, 0);
    D3DINITIALIZEBASETEXTURE(object->baseTexture);

    TRACE("(%p) : W(%d) H(%d) D(%d), Lvl(%d) Usage(%d), Fmt(%u,%s), Pool(%s)\n", This, Width, Height,
          Depth, Levels, Usage, Format, debug_d3dformat(Format), debug_d3dpool(Pool));

    object->width  = Width;
    object->height = Height;
    object->depth  = Depth;

    /* Calculate levels for mip mapping */
    if (Levels == 0) {
        object->baseTexture.levels++;
        tmpW = Width;
        tmpH = Height;
        tmpD = Depth;
        while (tmpW > 1 || tmpH > 1 || tmpD > 1) {
            tmpW = max(1, tmpW >> 1);
            tmpH = max(1, tmpH >> 1);
            tmpD = max(1, tmpD >> 1);
            object->baseTexture.levels++;
        }
        TRACE("Calculated levels = %d\n", object->baseTexture.levels);
    }

    /* Generate all the surfaces */
    tmpW = Width;
    tmpH = Height;
    tmpD = Depth;

    for (i = 0; i < object->baseTexture.levels; i++)
    {
        HRESULT hr;
        /* Create the volume */
        hr = D3DCB_CreateVolume(This->parent, parent, tmpW, tmpH, tmpD, Format, Pool, Usage,
                                (IWineD3DVolume **)&object->volumes[i], pSharedHandle);

        if(FAILED(hr)) {
            ERR("Creating a volume for the volume texture failed(%08x)\n", hr);
            IWineD3DVolumeTexture_Release((IWineD3DVolumeTexture *) object);
            *ppVolumeTexture = NULL;
            return hr;
        }

        /* Set its container to this object */
        IWineD3DVolume_SetContainer(object->volumes[i], (IWineD3DBase *)object);

        /* calcualte the next mipmap level */
        tmpW = max(1, tmpW >> 1);
        tmpH = max(1, tmpH >> 1);
        tmpD = max(1, tmpD >> 1);
    }

    *ppVolumeTexture = (IWineD3DVolumeTexture *) object;
    TRACE("(%p) : Created volume texture %p\n", This, object);
    return WINED3D_OK;
}

static HRESULT WINAPI IWineD3DDeviceImpl_CreateVolume(IWineD3DDevice *iface,
                                               UINT Width, UINT Height, UINT Depth,
                                               DWORD Usage,
                                               WINED3DFORMAT Format, WINED3DPOOL Pool,
                                               IWineD3DVolume** ppVolume,
                                               HANDLE* pSharedHandle, IUnknown *parent) {

    IWineD3DDeviceImpl        *This = (IWineD3DDeviceImpl *)iface;
    IWineD3DVolumeImpl        *object; /** NOTE: impl ref allowed since this is a create function **/
    const StaticPixelFormatDesc *formatDesc  = getFormatDescEntry(Format, NULL, NULL);

    D3DCREATERESOURCEOBJECTINSTANCE(object, Volume, WINED3DRTYPE_VOLUME, ((Width * formatDesc->bpp) * Height * Depth))

    TRACE("(%p) : W(%d) H(%d) D(%d), Usage(%d), Fmt(%u,%s), Pool(%s)\n", This, Width, Height,
          Depth, Usage, Format, debug_d3dformat(Format), debug_d3dpool(Pool));

    object->currentDesc.Width   = Width;
    object->currentDesc.Height  = Height;
    object->currentDesc.Depth   = Depth;
    object->bytesPerPixel       = formatDesc->bpp;

    /** Note: Volume textures cannot be dxtn, hence no need to check here **/
    object->lockable            = TRUE;
    object->locked              = FALSE;
    memset(&object->lockedBox, 0, sizeof(WINED3DBOX));
    object->dirty               = TRUE;

    return IWineD3DVolume_AddDirtyBox((IWineD3DVolume *) object, NULL);
}

static HRESULT WINAPI IWineD3DDeviceImpl_CreateCubeTexture(IWineD3DDevice *iface, UINT EdgeLength,
                                                    UINT Levels, DWORD Usage,
                                                    WINED3DFORMAT Format, WINED3DPOOL Pool,
                                                    IWineD3DCubeTexture **ppCubeTexture,
                                                    HANDLE *pSharedHandle, IUnknown *parent,
                                                    D3DCB_CREATESURFACEFN D3DCB_CreateSurface) {

    IWineD3DDeviceImpl      *This = (IWineD3DDeviceImpl *)iface;
    IWineD3DCubeTextureImpl *object; /** NOTE: impl ref allowed since this is a create function **/
    unsigned int             i, j;
    UINT                     tmpW;
    HRESULT                  hr;
    unsigned int pow2EdgeLength  = EdgeLength;

    /* TODO: It should only be possible to create textures for formats 
             that are reported as supported */
    if (WINED3DFMT_UNKNOWN >= Format) {
        WARN("(%p) : Texture cannot be created with a format of WINED3DFMT_UNKNOWN\n", This);
        return WINED3DERR_INVALIDCALL;
    }

    if (!GL_SUPPORT(ARB_TEXTURE_CUBE_MAP) && Pool != WINED3DPOOL_SCRATCH) {
        WARN("(%p) : Tried to create not supported cube texture\n", This);
        return WINED3DERR_INVALIDCALL;
    }

    D3DCREATERESOURCEOBJECTINSTANCE(object, CubeTexture, WINED3DRTYPE_CUBETEXTURE, 0);
    D3DINITIALIZEBASETEXTURE(object->baseTexture);

    TRACE("(%p) Create Cube Texture\n", This);

    /** Non-power2 support **/

    /* Find the nearest pow2 match */
    pow2EdgeLength = 1;
    while (pow2EdgeLength < EdgeLength) pow2EdgeLength <<= 1;

    object->edgeLength           = EdgeLength;
    /* TODO: support for native non-power 2 */
    /* Precalculated scaling for 'faked' non power of two texture coords */
    object->pow2scalingFactor    = ((float)EdgeLength) / ((float)pow2EdgeLength);

    /* Calculate levels for mip mapping */
    if (Levels == 0) {
        object->baseTexture.levels++;
        tmpW = EdgeLength;
        while (tmpW > 1) {
            tmpW = max(1, tmpW >> 1);
            object->baseTexture.levels++;
        }
        TRACE("Calculated levels = %d\n", object->baseTexture.levels);
    }

    /* Generate all the surfaces */
    tmpW = EdgeLength;
    for (i = 0; i < object->baseTexture.levels; i++) {

        /* Create the 6 faces */
        for (j = 0; j < 6; j++) {

            hr=D3DCB_CreateSurface(This->parent, parent, tmpW, tmpW, Format, Usage, Pool,
                                   i /* Level */, j, &object->surfaces[j][i],pSharedHandle);

            if(hr!= WINED3D_OK) {
                /* clean up */
                int k;
                int l;
                for (l = 0; l < j; l++) {
                    IWineD3DSurface_Release(object->surfaces[j][i]);
                }
                for (k = 0; k < i; k++) {
                    for (l = 0; l < 6; l++) {
                    IWineD3DSurface_Release(object->surfaces[l][j]);
                    }
                }

                FIXME("(%p) Failed to create surface\n",object);
                HeapFree(GetProcessHeap(),0,object);
                *ppCubeTexture = NULL;
                return hr;
            }
            IWineD3DSurface_SetContainer(object->surfaces[j][i], (IWineD3DBase *)object);
            TRACE("Created surface level %d @ %p,\n", i, object->surfaces[j][i]);
        }
        tmpW = max(1, tmpW >> 1);
    }

    TRACE("(%p) : Created Cube Texture %p\n", This, object);
    *ppCubeTexture = (IWineD3DCubeTexture *) object;
    return WINED3D_OK;
}

static HRESULT WINAPI IWineD3DDeviceImpl_CreateQuery(IWineD3DDevice *iface, WINED3DQUERYTYPE Type, IWineD3DQuery **ppQuery, IUnknown* parent) {
    IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
    IWineD3DQueryImpl *object; /*NOTE: impl ref allowed since this is a create function */
    HRESULT hr = WINED3DERR_NOTAVAILABLE;

    /* Just a check to see if we support this type of query */
    switch(Type) {
    case WINED3DQUERYTYPE_OCCLUSION:
        TRACE("(%p) occlusion query\n", This);
        if (GL_SUPPORT(ARB_OCCLUSION_QUERY))
            hr = WINED3D_OK;
        else
            WARN("Unsupported in local OpenGL implementation: ARB_OCCLUSION_QUERY/NV_OCCLUSION_QUERY\n");
        break;

    case WINED3DQUERYTYPE_EVENT:
        if(!(GL_SUPPORT(NV_FENCE) || GL_SUPPORT(APPLE_FENCE) )) {
            /* Half-Life 2 needs this query. It does not render the main menu correctly otherwise
             * Pretend to support it, faking this query does not do much harm except potentially lowering performance
             */
            FIXME("(%p) Event query: Unimplemented, but pretending to be supported\n", This);
        }
        hr = WINED3D_OK;
        break;

    case WINED3DQUERYTYPE_VCACHE:
    case WINED3DQUERYTYPE_RESOURCEMANAGER:
    case WINED3DQUERYTYPE_VERTEXSTATS:
    case WINED3DQUERYTYPE_TIMESTAMP:
    case WINED3DQUERYTYPE_TIMESTAMPDISJOINT:
    case WINED3DQUERYTYPE_TIMESTAMPFREQ:
    case WINED3DQUERYTYPE_PIPELINETIMINGS:
    case WINED3DQUERYTYPE_INTERFACETIMINGS:
    case WINED3DQUERYTYPE_VERTEXTIMINGS:
    case WINED3DQUERYTYPE_PIXELTIMINGS:
    case WINED3DQUERYTYPE_BANDWIDTHTIMINGS:
    case WINED3DQUERYTYPE_CACHEUTILIZATION:
    default:
        FIXME("(%p) Unhandled query type %d\n", This, Type);
    }
    if(NULL == ppQuery || hr != WINED3D_OK) {
        return hr;
    }

    D3DCREATEOBJECTINSTANCE(object, Query)
    object->type         = Type;
    /* allocated the 'extended' data based on the type of query requested */
    switch(Type){
    case WINED3DQUERYTYPE_OCCLUSION:
        if(GL_SUPPORT(ARB_OCCLUSION_QUERY)) {
            TRACE("(%p) Allocating data for an occlusion query\n", This);
            object->extendedData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WineQueryOcclusionData));
            GL_EXTCALL(glGenQueriesARB(1, &((WineQueryOcclusionData *)(object->extendedData))->queryId));
            break;
        }
    case WINED3DQUERYTYPE_EVENT:
        /* TODO: GL_APPLE_fence */
        if(GL_SUPPORT(APPLE_FENCE)) {
            object->extendedData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WineQueryEventData));
            GL_EXTCALL(glGenFencesAPPLE(1, &((WineQueryEventData *)(object->extendedData))->fenceId));
            checkGLcall("glGenFencesAPPLE");
        } else if(GL_SUPPORT(NV_FENCE)) {
            object->extendedData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WineQueryEventData));
            GL_EXTCALL(glGenFencesNV(1, &((WineQueryEventData *)(object->extendedData))->fenceId));
            checkGLcall("glGenFencesNV");
        }
        break;

    case WINED3DQUERYTYPE_VCACHE:
    case WINED3DQUERYTYPE_RESOURCEMANAGER:
    case WINED3DQUERYTYPE_VERTEXSTATS:
    case WINED3DQUERYTYPE_TIMESTAMP:
    case WINED3DQUERYTYPE_TIMESTAMPDISJOINT:
    case WINED3DQUERYTYPE_TIMESTAMPFREQ:
    case WINED3DQUERYTYPE_PIPELINETIMINGS:
    case WINED3DQUERYTYPE_INTERFACETIMINGS:
    case WINED3DQUERYTYPE_VERTEXTIMINGS:
    case WINED3DQUERYTYPE_PIXELTIMINGS:
    case WINED3DQUERYTYPE_BANDWIDTHTIMINGS:
    case WINED3DQUERYTYPE_CACHEUTILIZATION:
    default:
        object->extendedData = 0;
        FIXME("(%p) Unhandled query type %d\n",This , Type);
    }
    TRACE("(%p) : Created Query %p\n", This, object);
    return WINED3D_OK;
}

/*****************************************************************************
 * IWineD3DDeviceImpl_SetupFullscreenWindow
 *
 * Helper function that modifies a HWND's Style and ExStyle for proper
 * fullscreen use.
 *
 * Params:
 *  iface: Pointer to the IWineD3DDevice interface
 *  window: Window to setup
 *
 *****************************************************************************/
static void WINAPI IWineD3DDeviceImpl_SetupFullscreenWindow(IWineD3DDevice *iface, HWND window) {
    IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;

    LONG style, exStyle;
    /* Don't do anything if an original style is stored.