diff options
Diffstat (limited to 'xorg-server/hw/xfree86/dri/xf86dri.c')
| -rw-r--r-- | xorg-server/hw/xfree86/dri/xf86dri.c | 680 |
1 files changed, 680 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/dri/xf86dri.c b/xorg-server/hw/xfree86/dri/xf86dri.c new file mode 100644 index 000000000..ea11b38ee --- /dev/null +++ b/xorg-server/hw/xfree86/dri/xf86dri.c @@ -0,0 +1,680 @@ +/************************************************************************** + +Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas. +Copyright 2000 VA Linux Systems, Inc. +All Rights Reserved. + +Permission is hereby granted, free of charge, to any person obtaining a +copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sub license, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice (including the +next paragraph) shall be included in all copies or substantial portions +of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. +IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR +ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +**************************************************************************/ + +/* + * Authors: + * Kevin E. Martin <martin@valinux.com> + * Jens Owen <jens@tungstengraphics.com> + * Rickard E. (Rik) Faith <faith@valinux.com> + * + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <string.h> + +#include "xf86.h" + +#define NEED_REPLIES +#define NEED_EVENTS +#include <X11/X.h> +#include <X11/Xproto.h> +#include "misc.h" +#include "dixstruct.h" +#include "extnsionst.h" +#include "colormapst.h" +#include "cursorstr.h" +#include "scrnintstr.h" +#include "servermd.h" +#define _XF86DRI_SERVER_ +#include "xf86dristr.h" +#include "swaprep.h" +#include "xf86str.h" +#include "dri.h" +#include "sarea.h" +#include "dristruct.h" +#include "xf86.h" +#include "xf86drm.h" + +static int DRIErrorBase; + +static DISPATCH_PROC(ProcXF86DRIQueryVersion); +static DISPATCH_PROC(ProcXF86DRIQueryDirectRenderingCapable); +static DISPATCH_PROC(ProcXF86DRIOpenConnection); +static DISPATCH_PROC(ProcXF86DRICloseConnection); +static DISPATCH_PROC(ProcXF86DRIGetClientDriverName); +static DISPATCH_PROC(ProcXF86DRICreateContext); +static DISPATCH_PROC(ProcXF86DRIDestroyContext); +static DISPATCH_PROC(ProcXF86DRICreateDrawable); +static DISPATCH_PROC(ProcXF86DRIDestroyDrawable); +static DISPATCH_PROC(ProcXF86DRIGetDrawableInfo); +static DISPATCH_PROC(ProcXF86DRIGetDeviceInfo); +static DISPATCH_PROC(ProcXF86DRIDispatch); +static DISPATCH_PROC(ProcXF86DRIAuthConnection); + +static DISPATCH_PROC(SProcXF86DRIQueryVersion); +static DISPATCH_PROC(SProcXF86DRIQueryDirectRenderingCapable); +static DISPATCH_PROC(SProcXF86DRIDispatch); + +static void XF86DRIResetProc(ExtensionEntry* extEntry); + +static unsigned char DRIReqCode = 0; + +extern void XFree86DRIExtensionInit(void); + +void +XFree86DRIExtensionInit(void) +{ + ExtensionEntry* extEntry; + +#ifdef XF86DRI_EVENTS + EventType = CreateNewResourceType(XF86DRIFreeEvents); +#endif + + if ( + DRIExtensionInit() && +#ifdef XF86DRI_EVENTS + EventType && ScreenPrivateIndex != -1 && +#endif + (extEntry = AddExtension(XF86DRINAME, + XF86DRINumberEvents, + XF86DRINumberErrors, + ProcXF86DRIDispatch, + SProcXF86DRIDispatch, + XF86DRIResetProc, + StandardMinorOpcode))) { + DRIReqCode = (unsigned char)extEntry->base; + DRIErrorBase = extEntry->errorBase; + } +} + +/*ARGSUSED*/ +static void +XF86DRIResetProc ( + ExtensionEntry* extEntry +) +{ + DRIReset(); +} + +static int +ProcXF86DRIQueryVersion( + register ClientPtr client +) +{ + xXF86DRIQueryVersionReply rep; + register int n; + + REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = XF86DRI_MAJOR_VERSION; + rep.minorVersion = XF86DRI_MINOR_VERSION; + rep.patchVersion = XF86DRI_PATCH_VERSION; + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swaps(&rep.majorVersion, n); + swaps(&rep.minorVersion, n); + swapl(&rep.patchVersion, n); + } + WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep); + return (client->noClientException); +} + +static int +ProcXF86DRIQueryDirectRenderingCapable( + register ClientPtr client +) +{ + xXF86DRIQueryDirectRenderingCapableReply rep; + Bool isCapable; + register int n; + + REQUEST(xXF86DRIQueryDirectRenderingCapableReq); + REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq); + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + if (!DRIQueryDirectRenderingCapable( screenInfo.screens[stuff->screen], + &isCapable)) { + return BadValue; + } + rep.isCapable = isCapable; + + if (!LocalClient(client) || client->swapped) + rep.isCapable = 0; + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + } + + WriteToClient(client, + sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep); + return (client->noClientException); +} + +static int +ProcXF86DRIOpenConnection( + register ClientPtr client +) +{ + xXF86DRIOpenConnectionReply rep; + drm_handle_t hSAREA; + char* busIdString; + + REQUEST(xXF86DRIOpenConnectionReq); + REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq); + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + if (!DRIOpenConnection( screenInfo.screens[stuff->screen], + &hSAREA, + &busIdString)) { + return BadValue; + } + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.busIdStringLength = 0; + if (busIdString) + rep.busIdStringLength = strlen(busIdString); + rep.length = (SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) + + ((rep.busIdStringLength + 3) & ~3)) >> 2; + + rep.hSAREALow = (CARD32)(hSAREA & 0xffffffff); +#if defined(LONG64) && !defined(__linux__) + rep.hSAREAHigh = (CARD32)(hSAREA >> 32); +#else + rep.hSAREAHigh = 0; +#endif + + WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep); + if (rep.busIdStringLength) + WriteToClient(client, rep.busIdStringLength, busIdString); + return (client->noClientException); +} + +static int +ProcXF86DRIAuthConnection( + register ClientPtr client +) +{ + xXF86DRIAuthConnectionReply rep; + + REQUEST(xXF86DRIAuthConnectionReq); + REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq); + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.authenticated = 1; + + if (!DRIAuthConnection( screenInfo.screens[stuff->screen], stuff->magic)) { + ErrorF("Failed to authenticate %lu\n", (unsigned long)stuff->magic); + rep.authenticated = 0; + } + WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep); + return (client->noClientException); +} + +static int +ProcXF86DRICloseConnection( + register ClientPtr client +) +{ + REQUEST(xXF86DRICloseConnectionReq); + REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq); + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + DRICloseConnection( screenInfo.screens[stuff->screen]); + + return (client->noClientException); +} + +static int +ProcXF86DRIGetClientDriverName( + register ClientPtr client +) +{ + xXF86DRIGetClientDriverNameReply rep; + char* clientDriverName; + + REQUEST(xXF86DRIGetClientDriverNameReq); + REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq); + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + DRIGetClientDriverName( screenInfo.screens[stuff->screen], + (int *)&rep.ddxDriverMajorVersion, + (int *)&rep.ddxDriverMinorVersion, + (int *)&rep.ddxDriverPatchVersion, + &clientDriverName); + + rep.type = X_Reply; + rep.sequenceNumber = client->sequence; + rep.clientDriverNameLength = 0; + if (clientDriverName) + rep.clientDriverNameLength = strlen(clientDriverName); + rep.length = (SIZEOF(xXF86DRIGetClientDriverNameReply) - + SIZEOF(xGenericReply) + + ((rep.clientDriverNameLength + 3) & ~3)) >> 2; + + WriteToClient(client, + sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep); + if (rep.clientDriverNameLength) + WriteToClient(client, + rep.clientDriverNameLength, + clientDriverName); + return (client->noClientException); +} + +static int +ProcXF86DRICreateContext( + register ClientPtr client +) +{ + xXF86DRICreateContextReply rep; + ScreenPtr pScreen; + + REQUEST(xXF86DRICreateContextReq); + REQUEST_SIZE_MATCH(xXF86DRICreateContextReq); + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + pScreen = screenInfo.screens[stuff->screen]; + + if (!DRICreateContext( pScreen, + NULL, + stuff->context, + (drm_context_t *)&rep.hHWContext)) { + return BadValue; + } + + WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep); + return (client->noClientException); +} + +static int +ProcXF86DRIDestroyContext( + register ClientPtr client +) +{ + REQUEST(xXF86DRIDestroyContextReq); + REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq); + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + if (!DRIDestroyContext( screenInfo.screens[stuff->screen], + stuff->context)) { + return BadValue; + } + + return (client->noClientException); +} + +static int +ProcXF86DRICreateDrawable( + ClientPtr client +) +{ + xXF86DRICreateDrawableReply rep; + DrawablePtr pDrawable; + int rc; + + REQUEST(xXF86DRICreateDrawableReq); + REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq); + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + if (!DRICreateDrawable(screenInfo.screens[stuff->screen], client, + pDrawable, (drm_drawable_t *)&rep.hHWDrawable)) { + return BadValue; + } + + WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep); + return (client->noClientException); +} + +static int +ProcXF86DRIDestroyDrawable( + register ClientPtr client +) +{ + REQUEST(xXF86DRIDestroyDrawableReq); + DrawablePtr pDrawable; + REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq); + int rc; + + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + if (!DRIDestroyDrawable(screenInfo.screens[stuff->screen], client, + pDrawable)) { + return BadValue; + } + + return (client->noClientException); +} + +static int +ProcXF86DRIGetDrawableInfo( + register ClientPtr client +) +{ + xXF86DRIGetDrawableInfoReply rep; + DrawablePtr pDrawable; + int X, Y, W, H; + drm_clip_rect_t * pClipRects, *pClippedRects; + drm_clip_rect_t * pBackClipRects; + int backX, backY, rc; + + REQUEST(xXF86DRIGetDrawableInfoReq); + REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq); + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0, + DixReadAccess); + if (rc != Success) + return rc; + + if (!DRIGetDrawableInfo( screenInfo.screens[stuff->screen], + pDrawable, + (unsigned int*)&rep.drawableTableIndex, + (unsigned int*)&rep.drawableTableStamp, + (int*)&X, + (int*)&Y, + (int*)&W, + (int*)&H, + (int*)&rep.numClipRects, + &pClipRects, + &backX, + &backY, + (int*)&rep.numBackClipRects, + &pBackClipRects)) { + return BadValue; + } + + rep.drawableX = X; + rep.drawableY = Y; + rep.drawableWidth = W; + rep.drawableHeight = H; + rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) - + SIZEOF(xGenericReply)); + + rep.backX = backX; + rep.backY = backY; + + if (rep.numBackClipRects) + rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects; + + pClippedRects = pClipRects; + + if (rep.numClipRects) { + /* Clip cliprects to screen dimensions (redirected windows) */ + pClippedRects = xalloc(rep.numClipRects * sizeof(drm_clip_rect_t)); + + if (pClippedRects) { + ScreenPtr pScreen = screenInfo.screens[stuff->screen]; + int i, j; + + for (i = 0, j = 0; i < rep.numClipRects; i++) { + pClippedRects[j].x1 = max(pClipRects[i].x1, 0); + pClippedRects[j].y1 = max(pClipRects[i].y1, 0); + pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width); + pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height); + + if (pClippedRects[j].x1 < pClippedRects[j].x2 && + pClippedRects[j].y1 < pClippedRects[j].y2) { + j++; + } + } + + rep.numClipRects = j; + } else { + rep.numClipRects = 0; + } + + rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects; + } + + rep.length = ((rep.length + 3) & ~3) >> 2; + + WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep); + + if (rep.numClipRects) { + WriteToClient(client, + sizeof(drm_clip_rect_t) * rep.numClipRects, + (char *)pClippedRects); + xfree(pClippedRects); + } + + if (rep.numBackClipRects) { + WriteToClient(client, + sizeof(drm_clip_rect_t) * rep.numBackClipRects, + (char *)pBackClipRects); + } + + return (client->noClientException); +} + +static int +ProcXF86DRIGetDeviceInfo( + register ClientPtr client +) +{ + xXF86DRIGetDeviceInfoReply rep; + drm_handle_t hFrameBuffer; + void *pDevPrivate; + + REQUEST(xXF86DRIGetDeviceInfoReq); + REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq); + if (stuff->screen >= screenInfo.numScreens) { + client->errorValue = stuff->screen; + return BadValue; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + + if (!DRIGetDeviceInfo( screenInfo.screens[stuff->screen], + &hFrameBuffer, + (int*)&rep.framebufferOrigin, + (int*)&rep.framebufferSize, + (int*)&rep.framebufferStride, + (int*)&rep.devPrivateSize, + &pDevPrivate)) { + return BadValue; + } + + rep.hFrameBufferLow = (CARD32)(hFrameBuffer & 0xffffffff); +#if defined(LONG64) && !defined(__linux__) + rep.hFrameBufferHigh = (CARD32)(hFrameBuffer >> 32); +#else + rep.hFrameBufferHigh = 0; +#endif + + rep.length = 0; + if (rep.devPrivateSize) { + rep.length = (SIZEOF(xXF86DRIGetDeviceInfoReply) - + SIZEOF(xGenericReply) + + ((rep.devPrivateSize + 3) & ~3)) >> 2; + } + + WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep); + if (rep.length) { + WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate); + } + return (client->noClientException); +} + +static int +ProcXF86DRIDispatch ( + register ClientPtr client +) +{ + REQUEST(xReq); + + switch (stuff->data) + { + case X_XF86DRIQueryVersion: + return ProcXF86DRIQueryVersion(client); + case X_XF86DRIQueryDirectRenderingCapable: + return ProcXF86DRIQueryDirectRenderingCapable(client); + } + + if (!LocalClient(client)) + return DRIErrorBase + XF86DRIClientNotLocal; + + switch (stuff->data) + { + case X_XF86DRIOpenConnection: + return ProcXF86DRIOpenConnection(client); + case X_XF86DRICloseConnection: + return ProcXF86DRICloseConnection(client); + case X_XF86DRIGetClientDriverName: + return ProcXF86DRIGetClientDriverName(client); + case X_XF86DRICreateContext: + return ProcXF86DRICreateContext(client); + case X_XF86DRIDestroyContext: + return ProcXF86DRIDestroyContext(client); + case X_XF86DRICreateDrawable: + return ProcXF86DRICreateDrawable(client); + case X_XF86DRIDestroyDrawable: + return ProcXF86DRIDestroyDrawable(client); + case X_XF86DRIGetDrawableInfo: + return ProcXF86DRIGetDrawableInfo(client); + case X_XF86DRIGetDeviceInfo: + return ProcXF86DRIGetDeviceInfo(client); + case X_XF86DRIAuthConnection: + return ProcXF86DRIAuthConnection(client); + /* {Open,Close}FullScreen are deprecated now */ + default: + return BadRequest; + } +} + +static int +SProcXF86DRIQueryVersion( + register ClientPtr client +) +{ + register int n; + REQUEST(xXF86DRIQueryVersionReq); + swaps(&stuff->length, n); + return ProcXF86DRIQueryVersion(client); +} + +static int +SProcXF86DRIQueryDirectRenderingCapable( + register ClientPtr client +) +{ + register int n; + REQUEST(xXF86DRIQueryDirectRenderingCapableReq); + swaps(&stuff->length, n); + swapl(&stuff->screen, n); + return ProcXF86DRIQueryDirectRenderingCapable(client); +} + +static int +SProcXF86DRIDispatch ( + register ClientPtr client +) +{ + REQUEST(xReq); + + /* + * Only local clients are allowed DRI access, but remote clients still need + * these requests to find out cleanly. + */ + switch (stuff->data) + { + case X_XF86DRIQueryVersion: + return SProcXF86DRIQueryVersion(client); + case X_XF86DRIQueryDirectRenderingCapable: + return SProcXF86DRIQueryDirectRenderingCapable(client); + default: + return DRIErrorBase + XF86DRIClientNotLocal; + } +} |