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path: root/linux-core/i915_buffer.c
AgeCommit message (Expand)Author
2008-04-06[I915] Fix VRAM eviction.Thomas Hellstrom
2008-01-17i915: fix invalid opcode exception on cpus without clflushKyle McMartin
2007-12-21Rename inappropriately named 'mask' fields to 'proposed_flags' instead.Keith Packard
2007-11-29drm: more cleanupsDave Airlie
2007-11-06i915: cleanup most of the whitespaceDave Airlie
2007-11-05drm: remove lots of spurious whitespace.Dave Airlie
2007-10-30drm/i915: add driver cache flush entry pointDave Airlie
2007-10-21Disable i915 accelerated blit copy moves for now until we canThomas Hellstrom
2007-10-12i915: check mask instead of flags for buffer fence typesDave Airlie
2007-09-22Add fence error member.Thomas Hellstrom
2007-07-16drm: detypedef ttm/bo/fence codeDave Airlie
2007-07-16drm: remove drmP.h internal typedefsDave Airlie
2007-06-12Try to make buffer object / fence object ioctl args 64-bit safe.Thomas Hellstrom
2007-04-18Simplify the ttm backend interface and the agp ttm backend.Thomas Hellstrom
2007-02-16Simple fence object sample driver for via, based on idling the GPU.Thomas Hellstrom
2007-02-15Initial support for fence object classes.Thomas Hellstrom
2007-02-14Set the drm bus map type for each buffer object memory type.Thomas Hellstrom
2007-02-13More bugfixes.Thomas Hellstrom
2007-02-12Lindent.Thomas Hellstrom
2007-02-12Cleanup and fix support for pinned buffers.Thomas Hellstrom
2007-02-10Various bugfixes.Thomas Hellstrom
2007-02-09I915 accelerated blit copy functional.Thomas Hellstrom
2007-02-08Add an accelerated buffer copy cleanup helper.Thomas Hellstrom
2007-02-07Checkpoint commit.Thomas Hellstrom
2007-02-06Simplify pci map vs no pci map choice.Thomas Hellstrom
2007-02-06Implement a policy for selecting memory types.Thomas Hellstrom
2007-02-05i915: Add copy-blit operation.Thomas Hellstrom
2007-02-02Make vm handle buffer objects instead of ttm objects.Thomas Hellstrom
2007-01-31memory manager: Make device driver aware of different memory types.Thomas Hellstrom
2006-10-18Avoid driver-specific AGP user-populated types, since we don't know what AGPThomas Hellstrom
2006-10-17Lindent.Thomas Hellstrom
2006-10-16Change Intel AGP memory type numbers.Thomas Hellstrom
2006-10-12Simplify the AGP backend interface somewhat.Thomas Hellstrom
2006-09-26Allow for a driver to overload the ttm backend object methods.Thomas Hellstrom
2006-09-12Use lazy fence wait when possible even for RW fences. Saves some CPU.Thomas Hellstrom
2006-09-01Various bugfixes.Thomas Hellstrom
2006-08-31Validation and fencing.Thomas Hellstrom
2006-08-22Initial i915 buffer object driverThomas Hellstrom
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-03 01:01:01 +0000
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/* $XFree86: xc/lib/GL/dri/XF86dri.c,v 1.13 2002/10/30 12:51:25 alanh Exp $ */
/**************************************************************************

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>
 *
 */

/* THIS IS NOT AN X CONSORTIUM STANDARD */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <X11/Xlibint.h>
#include <X11/extensions/Xext.h>
#include <X11/extensions/extutil.h>
#include <stdint.h>
#include "xf86dristr.h"

static XExtensionInfo _xf86dri_info_data;
static XExtensionInfo *xf86dri_info = &_xf86dri_info_data;
static char xf86dri_extension_name[] = XF86DRINAME;

#define uniDRICheckExtension(dpy,i,val) \
  XextCheckExtension (dpy, i, xf86dri_extension_name, val)

/*****************************************************************************
 *                                                                           *
 *			   private utility routines                          *
 *                                                                           *
 *****************************************************************************/

static int close_display(Display * dpy, XExtCodes * extCodes);
static /* const */ XExtensionHooks xf86dri_extension_hooks = {
    NULL,			       /* create_gc */
    NULL,			       /* copy_gc */
    NULL,			       /* flush_gc */
    NULL,			       /* free_gc */
    NULL,			       /* create_font */
    NULL,			       /* free_font */
    close_display,		       /* close_display */
    NULL,			       /* wire_to_event */
    NULL,			       /* event_to_wire */
    NULL,			       /* error */
    NULL,			       /* error_string */
};

static
XEXT_GENERATE_FIND_DISPLAY(find_display, xf86dri_info,
    xf86dri_extension_name, &xf86dri_extension_hooks, 0, NULL)

    static XEXT_GENERATE_CLOSE_DISPLAY(close_display, xf86dri_info)

/*****************************************************************************
 *                                                                           *
 *		    public XFree86-DRI Extension routines                    *
 *                                                                           *
 *****************************************************************************/
#if 0
#include <stdio.h>
#define TRACE(msg)  fprintf(stderr,"uniDRI%s\n", msg);
#else
#define TRACE(msg)
#endif
    Bool uniDRIQueryExtension(dpy, event_basep, error_basep)
    Display *dpy;
    int *event_basep, *error_basep;
{
    XExtDisplayInfo *info = find_display(dpy);

    TRACE("QueryExtension...");
    if (XextHasExtension(info)) {
	*event_basep = info->codes->first_event;
	*error_basep = info->codes->first_error;
	TRACE("QueryExtension... return True");
	return True;
    } else {
	TRACE("QueryExtension... return False");
	return False;
    }
}

Bool
uniDRIQueryVersion(dpy, majorVersion, minorVersion, patchVersion)
    Display *dpy;
    int *majorVersion;
    int *minorVersion;
    int *patchVersion;
{
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRIQueryVersionReply rep;
    xXF86DRIQueryVersionReq *req;

    TRACE("QueryVersion...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRIQueryVersion, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRIQueryVersion;
    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
	UnlockDisplay(dpy);
	SyncHandle();
	TRACE("QueryVersion... return False");
	return False;
    }
    *majorVersion = rep.majorVersion;
    *minorVersion = rep.minorVersion;
    *patchVersion = rep.patchVersion;
    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("QueryVersion... return True");
    return True;
}

Bool
uniDRIQueryDirectRenderingCapable(dpy, screen, isCapable)
    Display *dpy;
    int screen;
    Bool *isCapable;
{
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRIQueryDirectRenderingCapableReply rep;
    xXF86DRIQueryDirectRenderingCapableReq *req;

    TRACE("QueryDirectRenderingCapable...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRIQueryDirectRenderingCapable, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRIQueryDirectRenderingCapable;
    req->screen = screen;
    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
	UnlockDisplay(dpy);
	SyncHandle();
	TRACE("QueryDirectRenderingCapable... return False");
	return False;
    }
    *isCapable = rep.isCapable;
    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("QueryDirectRenderingCapable... return True");
    return True;
}

Bool
uniDRIOpenConnection(dpy, screen, hSAREA, busIdString)
    Display *dpy;
    int screen;
    drm_handle_t *hSAREA;
    char **busIdString;
{
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRIOpenConnectionReply rep;
    xXF86DRIOpenConnectionReq *req;

    TRACE("OpenConnection...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRIOpenConnection, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRIOpenConnection;
    req->screen = screen;
    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
	UnlockDisplay(dpy);
	SyncHandle();
	TRACE("OpenConnection... return False");
	return False;
    }

    *hSAREA = rep.hSAREALow;
#ifdef LONG64
    if (sizeof(drm_handle_t) == 8) {
	*hSAREA |= ((unsigned long)rep.hSAREAHigh) << 32;
    }
#endif
    if (rep.length) {
	if (!(*busIdString = (char *)Xcalloc(rep.busIdStringLength + 1, 1))) {
	    _XEatData(dpy, ((rep.busIdStringLength + 3) & ~3));
	    UnlockDisplay(dpy);
	    SyncHandle();
	    TRACE("OpenConnection... return False");
	    return False;
	}
	_XReadPad(dpy, *busIdString, rep.busIdStringLength);
    } else {
	*busIdString = NULL;
    }
    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("OpenConnection... return True");
    return True;
}

Bool
uniDRIAuthConnection(dpy, screen, magic)
    Display *dpy;
    int screen;
    drm_magic_t magic;
{
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRIAuthConnectionReq *req;
    xXF86DRIAuthConnectionReply rep;

    TRACE("AuthConnection...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRIAuthConnection, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRIAuthConnection;
    req->screen = screen;
    req->magic = magic;
    rep.authenticated = 0;
    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse) || !rep.authenticated) {
	UnlockDisplay(dpy);
	SyncHandle();
	TRACE("AuthConnection... return False");
	return False;
    }
    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("AuthConnection... return True");
    return True;
}

Bool
uniDRICloseConnection(dpy, screen)
    Display *dpy;
    int screen;
{
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRICloseConnectionReq *req;

    TRACE("CloseConnection...");

    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRICloseConnection, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRICloseConnection;
    req->screen = screen;
    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("CloseConnection... return True");
    return True;
}

Bool
uniDRIGetClientDriverName(dpy, screen, ddxDriverMajorVersion,
    ddxDriverMinorVersion, ddxDriverPatchVersion, clientDriverName)
    Display *dpy;
    int screen;
    int *ddxDriverMajorVersion;
    int *ddxDriverMinorVersion;
    int *ddxDriverPatchVersion;
    char **clientDriverName;
{
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRIGetClientDriverNameReply rep;
    xXF86DRIGetClientDriverNameReq *req;

    TRACE("GetClientDriverName...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRIGetClientDriverName, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRIGetClientDriverName;
    req->screen = screen;
    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
	UnlockDisplay(dpy);
	SyncHandle();
	TRACE("GetClientDriverName... return False");
	return False;
    }

    *ddxDriverMajorVersion = rep.ddxDriverMajorVersion;
    *ddxDriverMinorVersion = rep.ddxDriverMinorVersion;
    *ddxDriverPatchVersion = rep.ddxDriverPatchVersion;

    if (rep.length) {
	if (!(*clientDriverName =
		(char *)Xcalloc(rep.clientDriverNameLength + 1, 1))) {
	    _XEatData(dpy, ((rep.clientDriverNameLength + 3) & ~3));
	    UnlockDisplay(dpy);
	    SyncHandle();
	    TRACE("GetClientDriverName... return False");
	    return False;
	}
	_XReadPad(dpy, *clientDriverName, rep.clientDriverNameLength);
    } else {
	*clientDriverName = NULL;
    }
    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("GetClientDriverName... return True");
    return True;
}

Bool
uniDRICreateContextWithConfig(dpy, screen, configID, context, hHWContext)
    Display *dpy;
    int screen;
    int configID;
    XID *context;
    drm_context_t *hHWContext;
{
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRICreateContextReply rep;
    xXF86DRICreateContextReq *req;

    TRACE("CreateContext...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRICreateContext, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRICreateContext;
    req->visual = configID;
    req->screen = screen;
    *context = XAllocID(dpy);
    req->context = *context;
    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
	UnlockDisplay(dpy);
	SyncHandle();
	TRACE("CreateContext... return False");
	return False;
    }
    *hHWContext = rep.hHWContext;
    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("CreateContext... return True");
    return True;
}

Bool
uniDRICreateContext(dpy, screen, visual, context, hHWContext)
    Display *dpy;
    int screen;
    Visual *visual;
    XID *context;
    drm_context_t *hHWContext;
{
    return uniDRICreateContextWithConfig(dpy, screen, visual->visualid,
	context, hHWContext);
}

Bool
uniDRIDestroyContext(Display * ndpy, int screen, XID context)
{
    Display *const dpy = (Display *) ndpy;
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRIDestroyContextReq *req;

    TRACE("DestroyContext...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRIDestroyContext, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRIDestroyContext;
    req->screen = screen;
    req->context = context;
    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("DestroyContext... return True");
    return True;
}

Bool
uniDRICreateDrawable(Display * ndpy, int screen,
    Drawable drawable, drm_drawable_t * hHWDrawable)
{
    Display *const dpy = (Display *) ndpy;
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRICreateDrawableReply rep;
    xXF86DRICreateDrawableReq *req;

    TRACE("CreateDrawable...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRICreateDrawable, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRICreateDrawable;
    req->screen = screen;
    req->drawable = drawable;
    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
	UnlockDisplay(dpy);
	SyncHandle();
	TRACE("CreateDrawable... return False");
	return False;
    }
    *hHWDrawable = rep.hHWDrawable;
    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("CreateDrawable... return True");
    return True;
}

Bool
uniDRIDestroyDrawable(Display * ndpy, int screen, Drawable drawable)
{
    Display *const dpy = (Display *) ndpy;
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRIDestroyDrawableReq *req;

    TRACE("DestroyDrawable...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRIDestroyDrawable, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRIDestroyDrawable;
    req->screen = screen;
    req->drawable = drawable;
    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("DestroyDrawable... return True");
    return True;
}

Bool
uniDRIGetDrawableInfo(Display * dpy, int screen, Drawable drawable,
    unsigned int *index, unsigned int *stamp,
    int *X, int *Y, int *W, int *H,
    int *numClipRects, drm_clip_rect_t ** pClipRects,
    int *backX, int *backY,
    int *numBackClipRects, drm_clip_rect_t ** pBackClipRects)
{
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRIGetDrawableInfoReply rep;
    xXF86DRIGetDrawableInfoReq *req;
    int total_rects;

    TRACE("GetDrawableInfo...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRIGetDrawableInfo, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRIGetDrawableInfo;
    req->screen = screen;
    req->drawable = drawable;

    if (!_XReply(dpy, (xReply *) & rep, 1, xFalse)) {
	UnlockDisplay(dpy);
	SyncHandle();
	TRACE("GetDrawableInfo... return False");
	return False;
    }
    *index = rep.drawableTableIndex;
    *stamp = rep.drawableTableStamp;
    *X = (int)rep.drawableX;
    *Y = (int)rep.drawableY;
    *W = (int)rep.drawableWidth;
    *H = (int)rep.drawableHeight;
    *numClipRects = rep.numClipRects;
    total_rects = *numClipRects;

    *backX = rep.backX;
    *backY = rep.backY;
    *numBackClipRects = rep.numBackClipRects;
    total_rects += *numBackClipRects;

#if 0
    /* Because of the fix in Xserver/GL/dri/xf86dri.c, this check breaks
     * backwards compatibility (Because of the >> 2 shift) but the fix
     * enables multi-threaded apps to work.
     */
    if (rep.length != ((((SIZEOF(xXF86DRIGetDrawableInfoReply) -
			SIZEOF(xGenericReply) +
			total_rects * sizeof(drm_clip_rect_t)) +
		    3) & ~3) >> 2)) {
	_XEatData(dpy, rep.length);
	UnlockDisplay(dpy);
	SyncHandle();
	TRACE("GetDrawableInfo... return False");
	return False;
    }
#endif

    if (*numClipRects) {
	int len = sizeof(drm_clip_rect_t) * (*numClipRects);

	*pClipRects = (drm_clip_rect_t *) Xcalloc(len, 1);
	if (*pClipRects)
	    _XRead(dpy, (char *)*pClipRects, len);
    } else {
	*pClipRects = NULL;
    }

    if (*numBackClipRects) {
	int len = sizeof(drm_clip_rect_t) * (*numBackClipRects);

	*pBackClipRects = (drm_clip_rect_t *) Xcalloc(len, 1);
	if (*pBackClipRects)
	    _XRead(dpy, (char *)*pBackClipRects, len);
    } else {
	*pBackClipRects = NULL;
    }

    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("GetDrawableInfo... return True");
    return True;
}

Bool
uniDRIGetDeviceInfo(dpy, screen, hFrameBuffer,
    fbOrigin, fbSize, fbStride, devPrivateSize, pDevPrivate)
    Display *dpy;
    int screen;
    drm_handle_t *hFrameBuffer;
    int *fbOrigin;
    int *fbSize;
    int *fbStride;
    int *devPrivateSize;
    void **pDevPrivate;
{
    XExtDisplayInfo *info = find_display(dpy);
    xXF86DRIGetDeviceInfoReply rep;
    xXF86DRIGetDeviceInfoReq *req;

    TRACE("GetDeviceInfo...");
    uniDRICheckExtension(dpy, info, False);

    LockDisplay(dpy);
    GetReq(XF86DRIGetDeviceInfo, req);
    req->reqType = info->codes->major_opcode;
    req->driReqType = X_XF86DRIGetDeviceInfo;
    req->screen = screen;
    if (!_XReply(dpy, (xReply *) & rep, 0, xFalse)) {
	UnlockDisplay(dpy);
	SyncHandle();
	TRACE("GetDeviceInfo... return False");
	return False;
    }

    *hFrameBuffer = rep.hFrameBufferLow;
#ifdef LONG64
    if (sizeof(drm_handle_t) == 8) {
	*hFrameBuffer |= ((unsigned long)rep.hFrameBufferHigh) << 32;
    }
#endif

    *fbOrigin = rep.framebufferOrigin;
    *fbSize = rep.framebufferSize;
    *fbStride = rep.framebufferStride;
    *devPrivateSize = rep.devPrivateSize;

    if (rep.length) {
	if (!(*pDevPrivate = (void *)Xcalloc(rep.devPrivateSize, 1))) {
	    _XEatData(dpy, ((rep.devPrivateSize + 3) & ~3));
	    UnlockDisplay(dpy);
	    SyncHandle();
	    TRACE("GetDeviceInfo... return False");
	    return False;
	}
	_XRead(dpy, (char *)*pDevPrivate, rep.devPrivateSize);
    } else {
	*pDevPrivate = NULL;
    }

    UnlockDisplay(dpy);
    SyncHandle();
    TRACE("GetDeviceInfo... return True");
    return True;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-03 01:01:01 +0000