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/*
* Copyright © 2009 Maarten Maathuis
* Copyright 2011 VMWare, Inc. All Rights Reserved.
*
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
*
* Author: Based on "exa_driver.c"
* Author: Thomas Hellstrom <thellstrom@vmware.com>
*/
#include "saa_priv.h"
#include "saa.h"
PixmapPtr
saa_create_pixmap(ScreenPtr pScreen, int w, int h, int depth,
unsigned usage_hint)
{
PixmapPtr pPixmap;
struct saa_pixmap *spix;
int bpp;
size_t paddedWidth;
struct saa_screen_priv *sscreen = saa_screen(pScreen);
int new_pitch = 0;
struct saa_driver *driver = sscreen->driver;
if (w > 32767 || h > 32767)
return NullPixmap;
/*
* Create a scratch pixmap without backing storage (w and h are zero)
*/
saa_swap(sscreen, pScreen, CreatePixmap);
pPixmap = pScreen->CreatePixmap(pScreen, 0, 0, depth, usage_hint);
saa_swap(sscreen, pScreen, CreatePixmap);
if (!pPixmap)
goto out_no_pix;
spix = saa_pixmap(pPixmap);
memset(spix, 0, driver->pixmap_size);
REGION_NULL(pScreen, &spix->dirty_shadow);
REGION_NULL(pScreen, &spix->dirty_hw);
REGION_NULL(pScreen, &spix->shadow_damage);
spix->read_access = 0;
spix->write_access = 0;
spix->mapped_access = 0;
spix->addr = NULL;
spix->auth_loc = saa_loc_override;
spix->override = SAA_INVALID_ADDRESS;
spix->pixmap = pPixmap;
bpp = pPixmap->drawable.bitsPerPixel;
if (!driver->create_pixmap(driver, spix, w, h, depth,
usage_hint, bpp, &new_pitch))
goto out_no_driver_priv;
paddedWidth = new_pitch;
spix->damage = NULL;
/*
* Now set w and h to the correct value. This might allocate
* backing store if w and h are NON-NULL.
*/
if (!(*pScreen->ModifyPixmapHeader) (pPixmap, w, h, 0, 0,
paddedWidth, NULL))
goto out_no_pixmap_header;
/*
* During a fallback we must prepare access. This hack is initially used
* for pixmaps created during ValidateGC.
*/
spix->fallback_created = FALSE;
if (sscreen->fallback_count) {
if (!saa_prepare_access_pixmap(pPixmap, SAA_ACCESS_W, NULL))
goto out_no_access;
spix->fallback_created = TRUE;
}
return pPixmap;
out_no_access:
out_no_pixmap_header:
driver->destroy_pixmap(driver, pPixmap);
out_no_driver_priv:
saa_swap(sscreen, pScreen, DestroyPixmap);
pScreen->DestroyPixmap(pPixmap);
saa_swap(sscreen, pScreen, DestroyPixmap);
out_no_pix:
LogMessage(X_ERROR, "Failing pixmap creation.\n");
return NullPixmap;
}
Bool
saa_destroy_pixmap(PixmapPtr pPixmap)
{
ScreenPtr pScreen = pPixmap->drawable.pScreen;
struct saa_screen_priv *sscreen = saa_screen(pScreen);
Bool ret;
struct saa_driver *driver = sscreen->driver;
if (pPixmap->refcnt == 1) {
struct saa_pixmap *spix = saa_pixmap(pPixmap);
if (spix->fallback_created) {
if (!sscreen->fallback_count)
LogMessage(X_ERROR, "Fallback pixmap destroyed outside "
"fallback.\n");
saa_finish_access_pixmap(pPixmap, SAA_ACCESS_W);
}
driver->destroy_pixmap(driver, pPixmap);
REGION_UNINIT(pScreen, &spix->dirty_hw);
REGION_UNINIT(pScreen, &spix->dirty_shadow);
if (spix->damage)
DamageDestroy(spix->damage);
}
saa_swap(sscreen, pScreen, DestroyPixmap);
ret = pScreen->DestroyPixmap(pPixmap);
saa_swap(sscreen, pScreen, DestroyPixmap);
return ret;
}
Bool
saa_modify_pixmap_header(PixmapPtr pPixmap, int width, int height, int depth,
int bitsPerPixel, int devKind, pointer pPixData)
{
ScreenPtr pScreen;
struct saa_screen_priv *sscreen;
struct saa_pixmap *spix;
struct saa_driver *driver;
Bool ret = TRUE;
if (!pPixmap)
return FALSE;
pScreen = pPixmap->drawable.pScreen;
sscreen = saa_screen(pScreen);
spix = saa_pixmap(pPixmap);
driver = sscreen->driver;
if (spix && driver->modify_pixmap_header &&
driver->modify_pixmap_header(pPixmap, width, height, depth,
bitsPerPixel, devKind, pPixData)) {
spix->auth_loc = saa_loc_driver;
spix->override = SAA_INVALID_ADDRESS;
goto out;
}
saa_swap(sscreen, pScreen, ModifyPixmapHeader);
ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth,
bitsPerPixel, devKind, pPixData);
saa_swap(sscreen, pScreen, ModifyPixmapHeader);
spix->override = pPixmap->devPrivate.ptr;
spix->auth_loc = saa_loc_override;
out:
pPixmap->devPrivate.ptr = NULL;
return ret;
}
struct saa_pixmap *
saa_get_saa_pixmap(PixmapPtr pPixmap)
{
return saa_pixmap(pPixmap);
}
void
saa_pixmap_dirty(PixmapPtr pixmap, Bool hw, RegionPtr reg)
{
struct saa_pixmap *spix = saa_pixmap(pixmap);
struct saa_screen_priv *sscreen = saa_screen(pixmap->drawable.pScreen);
if (hw) {
REGION_UNION(pixmap->drawable.pScreen, &spix->dirty_hw,
&spix->dirty_hw, reg);
REGION_SUBTRACT(pixmap->drawable.pScreen, &spix->dirty_shadow,
&spix->dirty_shadow, reg);
} else {
REGION_UNION(pixmap->drawable.pScreen, &spix->dirty_shadow,
&spix->dirty_shadow, reg);
REGION_SUBTRACT(pixmap->drawable.pScreen, &spix->dirty_hw,
&spix->dirty_hw, reg);
}
sscreen->driver->damage(sscreen->driver, pixmap, hw, reg);
}
void
saa_drawable_dirty(DrawablePtr draw, Bool hw, RegionPtr reg)
{
PixmapPtr pixmap;
int x_offset, y_offset;
pixmap = saa_get_pixmap(draw, &x_offset, &y_offset);
REGION_TRANSLATE(draw->pScreen, reg, x_offset, y_offset);
saa_pixmap_dirty(pixmap, hw, reg);
REGION_TRANSLATE(draw->pScreen, reg, -x_offset, -y_offset);
}
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