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/*
* 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 classic exa specific implementation. */
static _X_INLINE void*
ExaGetPixmapAddress(PixmapPtr p)
{
ExaPixmapPriv(p);
if (pExaPixmap->use_gpu_copy && 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->use_gpu_copy = 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);
/* During a fallback we must prepare access. */
if (pExaScr->fallback_counter)
exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST);
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 gpu 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->use_gpu_copy = 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
* gpu 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);
/* During a fallback we must finish access, but we don't know the index. */
if (pExaScr->fallback_counter)
exaFinishAccess(&pPixmap->drawable, -1);
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
exaPixmapHasGpuCopy_classic(PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
ExaScreenPriv(pScreen);
ExaPixmapPriv(pPixmap);
Bool ret;
if (pExaScr->info->PixmapIsOffscreen) {
void* old_ptr = pPixmap->devPrivate.ptr;
pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap);
ret = pExaScr->info->PixmapIsOffscreen(pPixmap);
pPixmap->devPrivate.ptr = old_ptr;
} else
ret = (pExaPixmap->use_gpu_copy && pExaPixmap->fb_ptr);
return ret;
}
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