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115 lines
3.4 KiB
C
115 lines
3.4 KiB
C
/*
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* ReactOS Generic Framebuffer display driver directdraw interface
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*
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* Copyright (C) 2006 Magnus Olsen
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/* Here we put in all 2d api for directdraw and redirect some of them to GDI api */
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#include "framebuf.h"
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DWORD CALLBACK
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DdCanCreateSurface(LPDDHAL_CANCREATESURFACEDATA pccsd)
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{
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/* We do not support 3d buffer so we fail here */
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if ((pccsd->lpDDSurfaceDesc->ddsCaps.dwCaps & DDSCAPS_ZBUFFER) &&
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(pccsd->lpDDSurfaceDesc->ddsCaps.dwCaps & DDSCAPS_VIDEOMEMORY))
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{
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pccsd->ddRVal = DDERR_INVALIDPIXELFORMAT;
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return DDHAL_DRIVER_HANDLED;
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}
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/* Check if another pixel format or not, we fail for now */
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if (pccsd->bIsDifferentPixelFormat)
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{
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/* check the fourcc diffent FOURCC, but we only support BMP for now */
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//if(pccsd->lpDDSurfaceDesc->ddpfPixelFormat.dwFlags & DDPF_FOURCC)
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//{
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// /* We do not support other pixel format */
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// switch (pccsd->lpDDSurfaceDesc->ddpfPixelFormat.dwFourCC)
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// {
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// default:
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// pccsd->ddRVal = DDERR_INVALIDPIXELFORMAT;
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// return DDHAL_DRIVER_HANDLED;
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// }
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//}
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// /* check the texture support, we do not support testure for now */
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//else if((pccsd->lpDDSurfaceDesc->ddsCaps.dwCaps & DDSCAPS_TEXTURE))
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//{
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// /* We do not support texture surface */
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// pccsd->ddRVal = DDERR_INVALIDPIXELFORMAT;
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// return DDHAL_DRIVER_HANDLED;
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//}
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/* Fail */
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pccsd->ddRVal = DDERR_INVALIDPIXELFORMAT;
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return DDHAL_DRIVER_HANDLED;
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}
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pccsd->ddRVal = DD_OK;
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return DDHAL_DRIVER_HANDLED;
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}
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DWORD CALLBACK
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DdCreateSurface(PDD_CREATESURFACEDATA pcsd)
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{
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int i;
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if (pcsd->dwSCnt < 1)
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{
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pcsd->ddRVal = DDERR_GENERIC;
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return DDHAL_DRIVER_NOTHANDLED;
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}
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for (i=0; i<(int)pcsd->dwSCnt; i++)
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{
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pcsd->lplpSList[i]->lpGbl->lPitch = (DWORD)(pcsd->lplpSList[i]->lpGbl->wWidth *
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(pcsd->lplpSList[i]->lpGbl->ddpfSurface.dwRGBBitCount / 8));
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pcsd->lplpSList[i]->lpGbl->dwBlockSizeX = pcsd->lplpSList[i]->lpGbl->lPitch *
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(DWORD)(pcsd->lplpSList[i]->lpGbl->wHeight);
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pcsd->lplpSList[i]->lpGbl->dwBlockSizeY = 1;
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if ( pcsd->lplpSList[i] ->ddsCaps.dwCaps & DDSCAPS_PRIMARYSURFACE)
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{
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/* We maybe should alloc it with EngAlloc
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for now we trusting ddraw alloc it */
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pcsd->lplpSList[i]->lpGbl->fpVidMem = 0;
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}
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else
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{
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/* We maybe should alloc it with EngAlloc
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for now we trusting ddraw alloc it */
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pcsd->lplpSList[i]->lpGbl->fpVidMem = DDHAL_PLEASEALLOC_BLOCKSIZE;
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}
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pcsd->lpDDSurfaceDesc->lPitch = pcsd->lplpSList[i]->lpGbl->lPitch;
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pcsd->lpDDSurfaceDesc->dwFlags |= DDSD_PITCH;
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} // for i
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pcsd->ddRVal = DD_OK;
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return DDHAL_DRIVER_HANDLED;
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}
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