From a915739887477b28d924ecc8417ee107d125bd6c Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 6 Sep 2009 18:48:27 +0000 Subject: Switched to xorg-server-1.6.99.900.tar.gz --- xorg-server/exa/exa_classic.c | 258 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 258 insertions(+) create mode 100644 xorg-server/exa/exa_classic.c (limited to 'xorg-server/exa/exa_classic.c') diff --git a/xorg-server/exa/exa_classic.c b/xorg-server/exa/exa_classic.c new file mode 100644 index 000000000..1eff57091 --- /dev/null +++ b/xorg-server/exa/exa_classic.c @@ -0,0 +1,258 @@ +/* + * Copyright © 2009 Maarten Maathuis + * + * 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, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include + +#include "exa_priv.h" +#include "exa.h" + +/* This file holds the classic exa specific implementation. */ + +static _X_INLINE void* +ExaGetPixmapAddress(PixmapPtr p) +{ + ExaPixmapPriv(p); + + if (pExaPixmap->offscreen && pExaPixmap->fb_ptr) + return pExaPixmap->fb_ptr; + else + return pExaPixmap->sys_ptr; +} + +/** + * exaCreatePixmap() creates a new pixmap. + * + * If width and height are 0, this won't be a full-fledged pixmap and it will + * get ModifyPixmapHeader() called on it later. So, we mark it as pinned, because + * ModifyPixmapHeader() would break migration. These types of pixmaps are used + * for scratch pixmaps, or to represent the visible screen. + */ +PixmapPtr +exaCreatePixmap_classic(ScreenPtr pScreen, int w, int h, int depth, + unsigned usage_hint) +{ + PixmapPtr pPixmap; + ExaPixmapPrivPtr pExaPixmap; + BoxRec box; + int bpp; + ExaScreenPriv(pScreen); + + if (w > 32767 || h > 32767) + return NullPixmap; + + swap(pExaScr, pScreen, CreatePixmap); + pPixmap = pScreen->CreatePixmap (pScreen, w, h, depth, usage_hint); + swap(pExaScr, pScreen, CreatePixmap); + + if (!pPixmap) + return NULL; + + pExaPixmap = ExaGetPixmapPriv(pPixmap); + pExaPixmap->driverPriv = NULL; + + bpp = pPixmap->drawable.bitsPerPixel; + + pExaPixmap->driverPriv = NULL; + /* Scratch pixmaps may have w/h equal to zero, and may not be + * migrated. + */ + if (!w || !h) + pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED; + else + pExaPixmap->score = EXA_PIXMAP_SCORE_INIT; + + pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr; + pExaPixmap->sys_pitch = pPixmap->devKind; + + pPixmap->devPrivate.ptr = NULL; + pExaPixmap->offscreen = FALSE; + + pExaPixmap->fb_ptr = NULL; + exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp); + pExaPixmap->fb_size = pExaPixmap->fb_pitch * h; + + if (pExaPixmap->fb_pitch > 131071) { + swap(pExaScr, pScreen, DestroyPixmap); + pScreen->DestroyPixmap (pPixmap); + swap(pExaScr, pScreen, DestroyPixmap); + return NULL; + } + + /* Set up damage tracking */ + pExaPixmap->pDamage = DamageCreate (NULL, NULL, + DamageReportNone, TRUE, + pScreen, pPixmap); + + if (pExaPixmap->pDamage == NULL) { + swap(pExaScr, pScreen, DestroyPixmap); + pScreen->DestroyPixmap (pPixmap); + swap(pExaScr, pScreen, DestroyPixmap); + return NULL; + } + + DamageRegister (&pPixmap->drawable, pExaPixmap->pDamage); + /* This ensures that pending damage reflects the current operation. */ + /* This is used by exa to optimize migration. */ + DamageSetReportAfterOp (pExaPixmap->pDamage, TRUE); + + pExaPixmap->area = NULL; + + /* We set the initial pixmap as completely valid for a simple reason. + * Imagine a 1000x1000 pixmap, it has 1 million pixels, 250000 of which + * could form single pixel rects as part of a region. Setting the complete region + * as valid is a natural defragmentation of the region. + */ + box.x1 = 0; + box.y1 = 0; + box.x2 = w; + box.y2 = h; + REGION_INIT(pScreen, &pExaPixmap->validSys, &box, 0); + REGION_INIT(pScreen, &pExaPixmap->validFB, &box, 0); + + exaSetAccelBlock(pExaScr, pExaPixmap, + w, h, bpp); + + return pPixmap; +} + +Bool +exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, int height, int depth, + int bitsPerPixel, int devKind, pointer pPixData) +{ + ScreenPtr pScreen = pPixmap->drawable.pScreen; + ExaScreenPrivPtr pExaScr; + ExaPixmapPrivPtr pExaPixmap; + Bool ret; + + if (!pPixmap) + return FALSE; + + pExaScr = ExaGetScreenPriv(pScreen); + pExaPixmap = ExaGetPixmapPriv(pPixmap); + + if (pExaPixmap) { + if (pPixData) + pExaPixmap->sys_ptr = pPixData; + + if (devKind > 0) + pExaPixmap->sys_pitch = devKind; + + /* Classic EXA: + * - Framebuffer. + * - Scratch pixmap with offscreen memory. + */ + if (pExaScr->info->memoryBase && pPixData) { + if ((CARD8 *)pPixData >= pExaScr->info->memoryBase && + ((CARD8 *)pPixData - pExaScr->info->memoryBase) < + pExaScr->info->memorySize) { + pExaPixmap->fb_ptr = pPixData; + pExaPixmap->fb_pitch = devKind; + pExaPixmap->offscreen = TRUE; + } + } + + if (width > 0 && height > 0 && bitsPerPixel > 0) { + exaSetFbPitch(pExaScr, pExaPixmap, + width, height, bitsPerPixel); + + exaSetAccelBlock(pExaScr, pExaPixmap, + width, height, bitsPerPixel); + } + + /* Pixmaps subject to ModifyPixmapHeader will be pinned to system or + * offscreen memory, so there's no need to track damage. + */ + if (pExaPixmap->pDamage) { + DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage); + DamageDestroy(pExaPixmap->pDamage); + pExaPixmap->pDamage = NULL; + } + } + + swap(pExaScr, pScreen, ModifyPixmapHeader); + ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth, + bitsPerPixel, devKind, pPixData); + swap(pExaScr, pScreen, ModifyPixmapHeader); + + /* Always NULL this, we don't want lingering pointers. */ + pPixmap->devPrivate.ptr = NULL; + + return ret; +} + +Bool +exaDestroyPixmap_classic (PixmapPtr pPixmap) +{ + ScreenPtr pScreen = pPixmap->drawable.pScreen; + ExaScreenPriv(pScreen); + Bool ret; + + if (pPixmap->refcnt == 1) + { + ExaPixmapPriv (pPixmap); + + if (pExaPixmap->area) + { + DBG_PIXMAP(("-- 0x%p (0x%x) (%dx%d)\n", + (void*)pPixmap->drawable.id, + ExaGetPixmapPriv(pPixmap)->area->offset, + pPixmap->drawable.width, + pPixmap->drawable.height)); + /* Free the offscreen area */ + exaOffscreenFree (pPixmap->drawable.pScreen, pExaPixmap->area); + pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr; + pPixmap->devKind = pExaPixmap->sys_pitch; + } + REGION_UNINIT(pPixmap->drawable.pScreen, &pExaPixmap->validSys); + REGION_UNINIT(pPixmap->drawable.pScreen, &pExaPixmap->validFB); + } + + swap(pExaScr, pScreen, DestroyPixmap); + ret = pScreen->DestroyPixmap (pPixmap); + swap(pExaScr, pScreen, DestroyPixmap); + + return ret; +} + +Bool +exaPixmapIsOffscreen_classic(PixmapPtr pPixmap) +{ + ScreenPtr pScreen = pPixmap->drawable.pScreen; + ExaScreenPriv(pScreen); + ExaPixmapPriv(pPixmap); + Bool ret; + + if (pExaScr->info->PixmapIsOffscreen) { + pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap); + ret = pExaScr->info->PixmapIsOffscreen(pPixmap); + pPixmap->devPrivate.ptr = NULL; + } else + ret = (pExaPixmap->offscreen && pExaPixmap->fb_ptr); + + return ret; +} -- cgit v1.2.3