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https://github.com/X11Libre/xf86-video-vmware.git
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1e443c4717
If screen targets are enabled and there is a reasonable chance that the vmwgfx drm driver can use the surface backing a pixmap as a screen target surface, then make that surface a modesetting framebuffer rather than the corresponding DMA buffer. In practice this applies when we start scanning out from the origin (0,0) of the pixmap. However, we would also like to apply the constraint that the scanout area is the entire pixmap, since that is the constraint used by the drm driver, but that would currently require drm framebuffer reallocations and possible flicker, so disable that for now. The drm driver will correctly handle the possibly oversized surface handed to it anyway, and the cost we pay for this is an extra hardware copy of the dirtied area when doing a software update of the scanout. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com>
204 lines
5.0 KiB
C
204 lines
5.0 KiB
C
/*
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* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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* Copyright 2011 VMWare, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright n<otice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*
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* Author: Alan Hourihane <alanh@tungstengraphics.com>
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* Author: Jakob Bornecrantz <wallbraker@gmail.com>
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* Author: Thomas Hellstrom <thellstrom@vmware.com>
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*/
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#ifndef _VMWGFX_DRIVER_H_
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#define _VMWGFX_DRIVER_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <errno.h>
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#include <drm.h>
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#include <xf86drm.h>
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#include <xf86drmMode.h>
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#include <xorg-server.h>
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#include <xf86.h>
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#include <xf86Crtc.h>
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#include <xf86xv.h>
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#include <xa_tracker.h>
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#include <xf86Module.h>
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#include "../src/compat-api.h"
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#ifdef DRI2
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#include <dri2.h>
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#if (!defined(DRI2INFOREC_VERSION) || (DRI2INFOREC_VERSION < 3))
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#undef DRI2
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#endif
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#endif
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#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) < 12
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#define _swapl(x, n) swapl(x,n)
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#define _swaps(x, n) swaps(x,n)
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#else
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#define _swapl(x, n) (void) n; swapl(x)
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#define _swaps(x, n) (void) n; swaps(x)
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#endif
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#define DRV_ERROR(msg) xf86DrvMsg(pScrn->scrnIndex, X_ERROR, msg);
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#define debug_printf(...)
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#define VMWGFX_DRI_DEVICE_LEN 80
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typedef struct
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{
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int lastInstance;
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int refCount;
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ScrnInfoPtr pScrn_1;
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ScrnInfoPtr pScrn_2;
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} EntRec, *EntPtr;
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#define XORG_NR_FENCES 3
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enum xorg_throttling_reason {
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THROTTLE_RENDER,
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THROTTLE_SWAP
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};
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struct vmwgfx_hosted;
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struct xf86_platform_device;
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typedef struct _modesettingRec
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{
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/* drm */
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int fd;
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int drm_major;
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int drm_minor;
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int drm_patch;
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/* X */
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EntPtr entityPrivate;
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int Chipset;
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EntityInfoPtr pEnt;
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struct pci_device *PciInfo;
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struct xf86_platform_device *platform_dev;
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/* Accel */
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Bool accelerate_render;
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MessageType from_render;
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Bool rendercheck;
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MessageType from_rendercheck;
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Bool SWCursor;
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CursorPtr cursor;
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Bool enable_dri;
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MessageType from_dri;
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Bool direct_presents;
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MessageType from_dp;
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Bool only_hw_presents;
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MessageType from_hwp;
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Bool isMaster;
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Bool has_screen_targets;
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/* Broken-out options. */
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OptionInfoPtr Options;
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ScreenBlockHandlerProcPtr saved_BlockHandler;
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CreateScreenResourcesProcPtr saved_CreateScreenResources;
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CloseScreenProcPtr saved_CloseScreen;
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Bool (*saved_EnterVT)(VT_FUNC_ARGS_DECL);
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void (*saved_LeaveVT)(VT_FUNC_ARGS_DECL);
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void (*saved_AdjustFrame)(ADJUST_FRAME_ARGS_DECL);
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Bool (*saved_UseHWCursor)(ScreenPtr, CursorPtr);
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Bool (*saved_UseHWCursorARGB)(ScreenPtr, CursorPtr);
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uint16_t lut_r[256], lut_g[256], lut_b[256];
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Bool check_fb_size;
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size_t max_fb_size;
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struct xa_tracker *xat;
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const struct vmwgfx_hosted_driver *hdriver;
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struct vmwgfx_hosted *hosted;
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#ifdef DRI2
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Bool dri2_available;
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char dri2_device_name[VMWGFX_DRI_DEVICE_LEN];
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#endif
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} modesettingRec, *modesettingPtr;
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#define modesettingPTR(p) ((modesettingPtr)((p)->driverPrivate))
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void xorg_flush(ScreenPtr pScreen);
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/***********************************************************************
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* xorg_dri2.c
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*/
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Bool
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xorg_dri2_init(ScreenPtr pScreen);
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void
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xorg_dri2_close(ScreenPtr pScreen);
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/***********************************************************************
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* xorg_crtc.c
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*/
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void
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xorg_crtc_init(ScrnInfoPtr pScrn);
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void
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xorg_crtc_cursor_destroy(xf86CrtcPtr crtc);
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void
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vmwgfx_disable_scanout(ScrnInfoPtr pScrn);
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PixmapPtr
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crtc_get_scanout(xf86CrtcPtr crtc);
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/***********************************************************************
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* xorg_output.c
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*/
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void
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xorg_output_init(ScrnInfoPtr pScrn);
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unsigned
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xorg_output_get_id(xf86OutputPtr output);
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Bool
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vmwgfx_output_explicit_overlap(ScrnInfoPtr pScrn);
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/***********************************************************************
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* xorg_xv.c
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*/
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void
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xorg_xv_init(ScreenPtr pScreen);
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XF86VideoAdaptorPtr
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vmw_video_init_adaptor(ScrnInfoPtr pScrn);
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void
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vmw_video_free_adaptor(XF86VideoAdaptorPtr adaptor, Bool free_ports);
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void
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vmw_ctrl_ext_init(ScrnInfoPtr pScrn);
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#endif /* _XORG_TRACKER_H_ */
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