331 lines
9.5 KiB
C
331 lines
9.5 KiB
C
/*
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* Copyright © 2009 Maarten Maathuis
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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 "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <string.h>
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#include "exa_priv.h"
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#include "exa.h"
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/* This file holds the driver allocated pixmaps + better initial placement code.
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*/
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static _X_INLINE void *
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ExaGetPixmapAddress(PixmapPtr p)
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{
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ExaPixmapPriv(p);
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return pExaPixmap->sys_ptr;
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}
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/**
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* exaCreatePixmap() creates a new pixmap.
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*/
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PixmapPtr
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exaCreatePixmap_mixed(ScreenPtr pScreen, int w, int h, int depth,
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unsigned usage_hint)
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{
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PixmapPtr pPixmap;
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ExaPixmapPrivPtr pExaPixmap;
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int bpp;
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size_t paddedWidth;
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ExaScreenPriv(pScreen);
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if (w > 32767 || h > 32767)
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return NullPixmap;
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swap(pExaScr, pScreen, CreatePixmap);
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pPixmap = pScreen->CreatePixmap(pScreen, 0, 0, depth, usage_hint);
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swap(pExaScr, pScreen, CreatePixmap);
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if (!pPixmap)
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return NULL;
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pExaPixmap = ExaGetPixmapPriv(pPixmap);
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pExaPixmap->driverPriv = NULL;
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bpp = pPixmap->drawable.bitsPerPixel;
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paddedWidth = ((w * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits);
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if (paddedWidth / 4 > 32767 || h > 32767)
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return NullPixmap;
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/* We will allocate the system pixmap later if needed. */
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pPixmap->devPrivate.ptr = NULL;
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pExaPixmap->sys_ptr = NULL;
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pExaPixmap->sys_pitch = paddedWidth;
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pExaPixmap->area = NULL;
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pExaPixmap->fb_ptr = NULL;
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pExaPixmap->pDamage = NULL;
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exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp);
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exaSetAccelBlock(pExaScr, pExaPixmap, w, h, bpp);
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(*pScreen->ModifyPixmapHeader) (pPixmap, w, h, 0, 0, paddedWidth, NULL);
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/* A scratch pixmap will become a driver pixmap right away. */
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if (!w || !h) {
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exaCreateDriverPixmap_mixed(pPixmap);
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pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
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}
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else {
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pExaPixmap->use_gpu_copy = FALSE;
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if (w == 1 && h == 1) {
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pExaPixmap->sys_ptr = malloc(paddedWidth);
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/* Set up damage tracking */
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pExaPixmap->pDamage = DamageCreate(exaDamageReport_mixed, NULL,
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DamageReportNonEmpty, TRUE,
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pPixmap->drawable.pScreen,
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pPixmap);
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if (pExaPixmap->pDamage) {
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DamageRegister(&pPixmap->drawable, pExaPixmap->pDamage);
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/* This ensures that pending damage reflects the current
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* operation. This is used by exa to optimize migration.
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*/
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DamageSetReportAfterOp(pExaPixmap->pDamage, TRUE);
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}
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}
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}
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/* During a fallback we must prepare access. */
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if (pExaScr->fallback_counter)
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exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST);
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return pPixmap;
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}
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Bool
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exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth,
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int bitsPerPixel, int devKind, void *pPixData)
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{
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ScreenPtr pScreen;
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ExaScreenPrivPtr pExaScr;
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ExaPixmapPrivPtr pExaPixmap;
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Bool ret, has_gpu_copy;
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if (!pPixmap)
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return FALSE;
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pScreen = pPixmap->drawable.pScreen;
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pExaScr = ExaGetScreenPriv(pScreen);
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pExaPixmap = ExaGetPixmapPriv(pPixmap);
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if (pPixData) {
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if (pExaPixmap->driverPriv) {
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if (pExaPixmap->pDamage) {
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DamageDestroy(pExaPixmap->pDamage);
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pExaPixmap->pDamage = NULL;
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}
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pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv);
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pExaPixmap->driverPriv = NULL;
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}
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pExaPixmap->use_gpu_copy = FALSE;
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pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED;
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}
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has_gpu_copy = exaPixmapHasGpuCopy(pPixmap);
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if (width <= 0)
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width = pPixmap->drawable.width;
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if (height <= 0)
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height = pPixmap->drawable.height;
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if (bitsPerPixel <= 0) {
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if (depth <= 0)
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bitsPerPixel = pPixmap->drawable.bitsPerPixel;
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else
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bitsPerPixel = BitsPerPixel(depth);
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}
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if (depth <= 0)
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depth = pPixmap->drawable.depth;
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if (width != pPixmap->drawable.width ||
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height != pPixmap->drawable.height ||
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depth != pPixmap->drawable.depth ||
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bitsPerPixel != pPixmap->drawable.bitsPerPixel) {
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if (pExaPixmap->driverPriv) {
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if (devKind > 0)
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pExaPixmap->fb_pitch = devKind;
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else
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exaSetFbPitch(pExaScr, pExaPixmap, width, height, bitsPerPixel);
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exaSetAccelBlock(pExaScr, pExaPixmap, width, height, bitsPerPixel);
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RegionEmpty(&pExaPixmap->validFB);
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}
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/* Need to re-create system copy if there's also a GPU copy */
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if (has_gpu_copy) {
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if (pExaPixmap->sys_ptr) {
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free(pExaPixmap->sys_ptr);
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pExaPixmap->sys_ptr = NULL;
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DamageDestroy(pExaPixmap->pDamage);
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pExaPixmap->pDamage = NULL;
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RegionEmpty(&pExaPixmap->validSys);
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if (pExaScr->deferred_mixed_pixmap == pPixmap)
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pExaScr->deferred_mixed_pixmap = NULL;
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}
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pExaPixmap->sys_pitch = PixmapBytePad(width, depth);
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}
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}
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if (has_gpu_copy) {
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pPixmap->devPrivate.ptr = pExaPixmap->fb_ptr;
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pPixmap->devKind = pExaPixmap->fb_pitch;
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}
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else {
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pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr;
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pPixmap->devKind = pExaPixmap->sys_pitch;
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}
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/* Only pass driver pixmaps to the driver. */
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if (pExaScr->info->ModifyPixmapHeader && pExaPixmap->driverPriv) {
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ret = pExaScr->info->ModifyPixmapHeader(pPixmap, width, height, depth,
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bitsPerPixel, devKind,
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pPixData);
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if (ret == TRUE)
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goto out;
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}
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swap(pExaScr, pScreen, ModifyPixmapHeader);
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ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth,
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bitsPerPixel, devKind, pPixData);
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swap(pExaScr, pScreen, ModifyPixmapHeader);
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out:
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if (has_gpu_copy) {
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pExaPixmap->fb_ptr = pPixmap->devPrivate.ptr;
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pExaPixmap->fb_pitch = pPixmap->devKind;
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}
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else {
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pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr;
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pExaPixmap->sys_pitch = pPixmap->devKind;
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}
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/* Always NULL this, we don't want lingering pointers. */
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pPixmap->devPrivate.ptr = NULL;
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return ret;
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}
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Bool
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exaDestroyPixmap_mixed(PixmapPtr pPixmap)
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{
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ScreenPtr pScreen = pPixmap->drawable.pScreen;
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ExaScreenPriv(pScreen);
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Bool ret;
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if (pPixmap->refcnt == 1) {
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ExaPixmapPriv(pPixmap);
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exaDestroyPixmap(pPixmap);
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if (pExaScr->deferred_mixed_pixmap == pPixmap)
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pExaScr->deferred_mixed_pixmap = NULL;
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if (pExaPixmap->driverPriv)
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pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv);
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pExaPixmap->driverPriv = NULL;
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if (pExaPixmap->pDamage) {
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free(pExaPixmap->sys_ptr);
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pExaPixmap->sys_ptr = NULL;
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pExaPixmap->pDamage = NULL;
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}
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}
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swap(pExaScr, pScreen, DestroyPixmap);
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ret = pScreen->DestroyPixmap(pPixmap);
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swap(pExaScr, pScreen, DestroyPixmap);
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return ret;
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}
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Bool
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exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap)
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{
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ScreenPtr pScreen = pPixmap->drawable.pScreen;
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ExaScreenPriv(pScreen);
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ExaPixmapPriv(pPixmap);
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void *saved_ptr;
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Bool ret;
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if (!pExaPixmap->driverPriv)
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return FALSE;
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saved_ptr = pPixmap->devPrivate.ptr;
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pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap);
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ret = pExaScr->info->PixmapIsOffscreen(pPixmap);
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pPixmap->devPrivate.ptr = saved_ptr;
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return ret;
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}
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Bool
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exaSharePixmapBacking_mixed(PixmapPtr pPixmap, ScreenPtr slave, void **handle_p)
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{
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ScreenPtr pScreen = pPixmap->drawable.pScreen;
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ExaScreenPriv(pScreen);
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Bool ret = FALSE;
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exaMoveInPixmap(pPixmap);
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/* get the driver to give us a handle */
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if (pExaScr->info->SharePixmapBacking)
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ret = pExaScr->info->SharePixmapBacking(pPixmap, slave, handle_p);
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return ret;
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}
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Bool
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exaSetSharedPixmapBacking_mixed(PixmapPtr pPixmap, void *handle)
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{
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ScreenPtr pScreen = pPixmap->drawable.pScreen;
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ExaScreenPriv(pScreen);
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Bool ret = FALSE;
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if (pExaScr->info->SetSharedPixmapBacking)
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ret = pExaScr->info->SetSharedPixmapBacking(pPixmap, handle);
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if (ret == TRUE)
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exaMoveInPixmap(pPixmap);
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return ret;
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}
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