diff options
Diffstat (limited to 'exa/exa_mixed.c')
| -rw-r--r-- | exa/exa_mixed.c | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/exa/exa_mixed.c b/exa/exa_mixed.c new file mode 100644 index 0000000..fd1afb2 --- /dev/null +++ b/exa/exa_mixed.c @@ -0,0 +1,290 @@ +/* + * 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 <dix-config.h> +#endif + +#include <string.h> + +#include "exa_priv.h" +#include "exa.h" + +/* This file holds the driver allocated pixmaps + better initial placement code. + */ + +static _X_INLINE void* +ExaGetPixmapAddress(PixmapPtr p) +{ + ExaPixmapPriv(p); + + return pExaPixmap->sys_ptr; +} + +/** + * exaCreatePixmap() creates a new pixmap. + */ +PixmapPtr +exaCreatePixmap_mixed(ScreenPtr pScreen, int w, int h, int depth, + unsigned usage_hint) +{ + PixmapPtr pPixmap; + ExaPixmapPrivPtr pExaPixmap; + int bpp; + size_t paddedWidth; + ExaScreenPriv(pScreen); + + if (w > 32767 || h > 32767) + return NullPixmap; + + swap(pExaScr, pScreen, CreatePixmap); + pPixmap = pScreen->CreatePixmap(pScreen, 0, 0, depth, usage_hint); + swap(pExaScr, pScreen, CreatePixmap); + + if (!pPixmap) + return NULL; + + pExaPixmap = ExaGetPixmapPriv(pPixmap); + pExaPixmap->driverPriv = NULL; + + bpp = pPixmap->drawable.bitsPerPixel; + + paddedWidth = ((w * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits); + if (paddedWidth / 4 > 32767 || h > 32767) + return NullPixmap; + + /* We will allocate the system pixmap later if needed. */ + pPixmap->devPrivate.ptr = NULL; + pExaPixmap->sys_ptr = NULL; + pExaPixmap->sys_pitch = paddedWidth; + + pExaPixmap->area = NULL; + pExaPixmap->fb_ptr = NULL; + pExaPixmap->pDamage = NULL; + + exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp); + exaSetAccelBlock(pExaScr, pExaPixmap, + w, h, bpp); + + (*pScreen->ModifyPixmapHeader)(pPixmap, w, h, 0, 0, + paddedWidth, NULL); + + /* A scratch pixmap will become a driver pixmap right away. */ + if (!w || !h) { + exaCreateDriverPixmap_mixed(pPixmap); + pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap); + } else { + pExaPixmap->use_gpu_copy = FALSE; + + if (w == 1 && h == 1) { + pExaPixmap->sys_ptr = malloc(paddedWidth); + + /* Set up damage tracking */ + pExaPixmap->pDamage = DamageCreate(exaDamageReport_mixed, NULL, + DamageReportNonEmpty, TRUE, + pPixmap->drawable.pScreen, + pPixmap); + + 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); + } + } + + /* During a fallback we must prepare access. */ + if (pExaScr->fallback_counter) + exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST); + + return pPixmap; +} + +Bool +exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth, + int bitsPerPixel, int devKind, pointer pPixData) +{ + ScreenPtr pScreen; + ExaScreenPrivPtr pExaScr; + ExaPixmapPrivPtr pExaPixmap; + Bool ret, has_gpu_copy; + + if (!pPixmap) + return FALSE; + + pScreen = pPixmap->drawable.pScreen; + pExaScr = ExaGetScreenPriv(pScreen); + pExaPixmap = ExaGetPixmapPriv(pPixmap); + + if (pPixData) { + if (pExaPixmap->driverPriv) { + if (pExaPixmap->pDamage) { + DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage); + DamageDestroy(pExaPixmap->pDamage); + pExaPixmap->pDamage = NULL; + } + + pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv); + pExaPixmap->driverPriv = NULL; + } + + pExaPixmap->use_gpu_copy = FALSE; + pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED; + } + + has_gpu_copy = exaPixmapHasGpuCopy(pPixmap); + + if (width <= 0) + width = pPixmap->drawable.width; + + if (height <= 0) + height = pPixmap->drawable.height; + + if (bitsPerPixel <= 0) { + if (depth <= 0) + bitsPerPixel = pPixmap->drawable.bitsPerPixel; + else + bitsPerPixel = BitsPerPixel(depth); + } + + if (depth <= 0) + depth = pPixmap->drawable.depth; + + if (width != pPixmap->drawable.width || + height != pPixmap->drawable.height || + depth != pPixmap->drawable.depth || + bitsPerPixel != pPixmap->drawable.bitsPerPixel) { + if (pExaPixmap->driverPriv) { + if (devKind > 0) + pExaPixmap->fb_pitch = devKind; + else + exaSetFbPitch(pExaScr, pExaPixmap, width, height, bitsPerPixel); + + exaSetAccelBlock(pExaScr, pExaPixmap, + width, height, bitsPerPixel); + RegionEmpty(&pExaPixmap->validFB); + } + + /* Need to re-create system copy if there's also a GPU copy */ + if (has_gpu_copy && pExaPixmap->sys_ptr) { + free(pExaPixmap->sys_ptr); + pExaPixmap->sys_ptr = NULL; + pExaPixmap->sys_pitch = PixmapBytePad(width, depth); + DamageUnregister(&pPixmap->drawable, pExaPixmap->pDamage); + DamageDestroy(pExaPixmap->pDamage); + pExaPixmap->pDamage = NULL; + RegionEmpty(&pExaPixmap->validSys); + + if (pExaScr->deferred_mixed_pixmap == pPixmap) + pExaScr->deferred_mixed_pixmap = NULL; + } + } + + if (has_gpu_copy) { + pPixmap->devPrivate.ptr = pExaPixmap->fb_ptr; + pPixmap->devKind = pExaPixmap->fb_pitch; + } else { + pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr; + pPixmap->devKind = pExaPixmap->sys_pitch; + } + + /* Only pass driver pixmaps to the driver. */ + if (pExaScr->info->ModifyPixmapHeader && pExaPixmap->driverPriv) { + ret = pExaScr->info->ModifyPixmapHeader(pPixmap, width, height, depth, + bitsPerPixel, devKind, pPixData); + if (ret == TRUE) + goto out; + } + + swap(pExaScr, pScreen, ModifyPixmapHeader); + ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth, + bitsPerPixel, devKind, pPixData); + swap(pExaScr, pScreen, ModifyPixmapHeader); + +out: + if (has_gpu_copy) { + pExaPixmap->fb_ptr = pPixmap->devPrivate.ptr; + pExaPixmap->fb_pitch = pPixmap->devKind; + } else { + pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr; + pExaPixmap->sys_pitch = pPixmap->devKind; + } + /* Always NULL this, we don't want lingering pointers. */ + pPixmap->devPrivate.ptr = NULL; + + return ret; +} + +Bool +exaDestroyPixmap_mixed(PixmapPtr pPixmap) +{ + ScreenPtr pScreen = pPixmap->drawable.pScreen; + ExaScreenPriv(pScreen); + Bool ret; + + if (pPixmap->refcnt == 1) + { + ExaPixmapPriv (pPixmap); + + exaDestroyPixmap(pPixmap); + + if (pExaScr->deferred_mixed_pixmap == pPixmap) + pExaScr->deferred_mixed_pixmap = NULL; + + if (pExaPixmap->driverPriv) + pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv); + pExaPixmap->driverPriv = NULL; + + if (pExaPixmap->pDamage) { + free(pExaPixmap->sys_ptr); + pExaPixmap->sys_ptr = NULL; + pExaPixmap->pDamage = NULL; + } + } + + swap(pExaScr, pScreen, DestroyPixmap); + ret = pScreen->DestroyPixmap (pPixmap); + swap(pExaScr, pScreen, DestroyPixmap); + + return ret; +} + +Bool +exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap) +{ + ScreenPtr pScreen = pPixmap->drawable.pScreen; + ExaScreenPriv(pScreen); + ExaPixmapPriv(pPixmap); + pointer saved_ptr; + Bool ret; + + if (!pExaPixmap->driverPriv) + return FALSE; + + saved_ptr = pPixmap->devPrivate.ptr; + pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap); + ret = pExaScr->info->PixmapIsOffscreen(pPixmap); + pPixmap->devPrivate.ptr = saved_ptr; + + return ret; +} |