query.c

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

/*
 * IWineD3DQuery implementation
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */


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

/*
 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/programmingguide/advancedtopics/Queries.asp
 *
 * Occlusion Queries:
 * http://www.gris.uni-tuebingen.de/~bartz/Publications/paper/hww98.pdf
 * http://oss.sgi.com/projects/ogl-sample/registry/ARB/occlusion_query.txt
 */

WINE_DEFAULT_DEBUG_CHANNEL(d3d);
#define GLINFO_LOCATION This->wineD3DDevice->adapter->gl_info

/* *******************************************
   IWineD3DQuery IUnknown parts follow
   ******************************************* */
static HRESULT  WINAPI IWineD3DQueryImpl_QueryInterface(IWineD3DQuery *iface, REFIID riid, LPVOID *ppobj)
{
    IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
    TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
    if (IsEqualGUID(riid, &IID_IUnknown)
        || IsEqualGUID(riid, &IID_IWineD3DBase)
        || IsEqualGUID(riid, &IID_IWineD3DQuery)) {
        IUnknown_AddRef(iface);
        *ppobj = This;
        return S_OK;
    }
    *ppobj = NULL;
    return E_NOINTERFACE;
}

static ULONG  WINAPI IWineD3DQueryImpl_AddRef(IWineD3DQuery *iface) {
    IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
    TRACE("(%p) : AddRef increasing from %d\n", This, This->ref);
    return InterlockedIncrement(&This->ref);
}

static ULONG  WINAPI IWineD3DQueryImpl_Release(IWineD3DQuery *iface) {
    IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
    ULONG ref;
    TRACE("(%p) : Releasing from %d\n", This, This->ref);
    ref = InterlockedDecrement(&This->ref);
    if (ref == 0) {
        if(This->type == WINED3DQUERYTYPE_EVENT) {
            if(GL_SUPPORT(APPLE_FENCE)) {
                GL_EXTCALL(glDeleteFencesAPPLE(1, &((WineQueryEventData *)(This->extendedData))->fenceId));
                checkGLcall("glDeleteFencesAPPLE");
            } else if(GL_SUPPORT(NV_FENCE)) {
                GL_EXTCALL(glDeleteFencesNV(1, &((WineQueryEventData *)(This->extendedData))->fenceId));
                checkGLcall("glDeleteFencesNV");
            }
        } else if(This->type == WINED3DQUERYTYPE_OCCLUSION && GL_SUPPORT(ARB_OCCLUSION_QUERY)) {
            GL_EXTCALL(glDeleteQueriesARB(1, &((WineQueryOcclusionData *)(This->extendedData))->queryId));
            checkGLcall("glDeleteQueriesARB");
        }

        HeapFree(GetProcessHeap(), 0, This->extendedData);
        HeapFree(GetProcessHeap(), 0, This);
    }
    return ref;
}

/* *******************************************
   IWineD3DQuery IWineD3DQuery parts follow
   ******************************************* */
static HRESULT  WINAPI IWineD3DQueryImpl_GetParent(IWineD3DQuery *iface, IUnknown** parent){
    IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;

    *parent= (IUnknown*) parent;
    IUnknown_AddRef(*parent);
    TRACE("(%p) : returning %p\n", This, *parent);
    return WINED3D_OK;
}

static HRESULT  WINAPI IWineD3DQueryImpl_GetDevice(IWineD3DQuery* iface, IWineD3DDevice **pDevice){
    IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
    IWineD3DDevice_AddRef((IWineD3DDevice *)This->wineD3DDevice);
    *pDevice = (IWineD3DDevice *)This->wineD3DDevice;
    TRACE("(%p) returning %p\n", This, *pDevice);
    return WINED3D_OK;
}


static HRESULT  WINAPI IWineD3DQueryImpl_GetData(IWineD3DQuery* iface, void* pData, DWORD dwSize, DWORD dwGetDataFlags){
    IWineD3DQueryImpl *This = (IWineD3DQueryImpl *)iface;
    HRESULT res = S_OK;

    TRACE("(%p) : type %#x, pData %p, dwSize %#x, dwGetDataFlags %#x\n", This, This->type, pData, dwSize, dwGetDataFlags);

    if(dwSize == 0){
        /*you can use this method to poll the resource for the query status*/
        /*We return success(S_OK) if we support a feature, and faikure(S_FALSE) if we don't, just return success and fluff it for now*/
        return S_OK;
    }else{
    }

    switch (This->type){

    case WINED3DQUERYTYPE_VCACHE:
    {

        WINED3DDEVINFO_VCACHE *data = (WINED3DDEVINFO_VCACHE *)pData;
        FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_VCACHE\n", This);
        data->Pattern     = WINEMAKEFOURCC('C','A','C','H');
        data->OptMethod   = 0; /*0 get longest strips, 1 optimize vertex cache*/
        data->CacheSize   = 0; /*cache size, only required if OptMethod == 1*/
        data->MagicNumber = 0; /*only required if OptMethod == 1 (used internally)*/

    }
    break;
    case WINED3DQUERYTYPE_RESOURCEMANAGER:
    {
        WINED3DDEVINFO_RESOURCEMANAGER *data = (WINED3DDEVINFO_RESOURCEMANAGER *)pData;
        int i;
        FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_RESOURCEMANAGER\n", This);
        for(i = 0; i < WINED3DRTYPECOUNT; i++){
            /*I'm setting the default values to 1 so as to reduce the risk of a div/0 in the caller*/
            /*  isTextureResident could be used to get some of this infomration  */
            data->stats[i].bThrashing            = FALSE;
            data->stats[i].ApproxBytesDownloaded = 1;
            data->stats[i].NumEvicts             = 1;
            data->stats[i].NumVidCreates         = 1;
            data->stats[i].LastPri               = 1;
            data->stats[i].NumUsed               = 1;
            data->stats[i].NumUsedInVidMem       = 1;
            data->stats[i].WorkingSet            = 1;
            data->stats[i].WorkingSetBytes       = 1;
            data->stats[i].TotalManaged          = 1;
            data->stats[i].TotalBytes            = 1;
        }

    }
    break;
    case WINED3DQUERYTYPE_VERTEXSTATS:
    {
        WINED3DDEVINFO_VERTEXSTATS *data = (WINED3DDEVINFO_VERTEXSTATS *)pData;
        FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_VERTEXSTATS\n", This);
        data->NumRenderedTriangles      = 1;
        data->NumExtraClippingTriangles = 1;

    }
    break;
    case WINED3DQUERYTYPE_EVENT:
    {
        BOOL* data = pData;
        if(GL_SUPPORT(APPLE_FENCE)) {
            *data = GL_EXTCALL(glTestFenceAPPLE(((WineQueryEventData *)This->extendedData)->fenceId));
            checkGLcall("glTestFenceAPPLE");
        } else if(GL_SUPPORT(NV_FENCE)) {
            *data = GL_EXTCALL(glTestFenceNV(((WineQueryEventData *)This->extendedData)->fenceId));
            checkGLcall("glTestFenceNV");
        } else {
            WARN("(%p): reporting GPU idle\n", This);
            *data = TRUE;
        }
    }
    break;
    case WINED3DQUERYTYPE_OCCLUSION:
    {
        DWORD* data = pData;
        if (GL_SUPPORT(ARB_OCCLUSION_QUERY)) {
            GLuint available;
            GLuint samples;
            GLuint queryId = ((WineQueryOcclusionData *)This->extendedData)->queryId;

            GL_EXTCALL(glGetQueryObjectuivARB(queryId, GL_QUERY_RESULT_AVAILABLE_ARB, &available));
            checkGLcall("glGetQueryObjectuivARB(GL_QUERY_RESULT_AVAILABLE)\n");
            TRACE("(%p) : available %d.\n", This, available);

            if (available) {
                GL_EXTCALL(glGetQueryObjectuivARB(queryId, GL_QUERY_RESULT_ARB, &samples));
                checkGLcall("glGetQueryObjectuivARB(GL_QUERY_RESULT)\n");
                TRACE("(%p) : Returning %d samples.\n", This, samples);
                *data = samples;
                res = S_OK;
            } else {
                res = S_FALSE;
            }
        } else {
            FIXME("(%p) : Occlusion queries not supported. Returning 1.\n", This);
            *data = 1;
            res = S_OK;
        }
    }
    break;
    case WINED3DQUERYTYPE_TIMESTAMP:
    {
        UINT64* data = pData;
        FIXME("(%p): Unimplemented query WINED3DQUERYTYPE_TIMESTAMP\n", This);
        *data = 1; /*Don't know what this is supposed to be*/
    }
    break;
    case WINED3DQUERYTYPE_TIMESTAMPDISJOINT: