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/*
* Copyright © 2014 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include "glamor_priv.h"
#include "glamor_transfer.h"
#include "glamor_transform.h"
/*
* PutImage. Only does ZPixmap right now as other formats are quite a bit harder
*/
static Bool
glamor_put_image_gl(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
int w, int h, int leftPad, int format, char *bits)
{
ScreenPtr screen = drawable->pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv;
uint32_t byte_stride = PixmapBytePad(w, drawable->depth);
RegionRec region;
BoxRec box;
int off_x, off_y;
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
return FALSE;
if (gc->alu != GXcopy)
goto bail;
if (!glamor_pm_is_solid(&pixmap->drawable, gc->planemask))
goto bail;
if (format == XYPixmap && drawable->depth == 1 && leftPad == 0)
format = ZPixmap;
if (format != ZPixmap)
goto bail;
x += drawable->x;
y += drawable->y;
box.x1 = x;
box.y1 = y;
box.x2 = box.x1 + w;
box.y2 = box.y1 + h;
RegionInit(®ion, &box, 1);
RegionIntersect(®ion, ®ion, gc->pCompositeClip);
glamor_get_drawable_deltas(drawable, pixmap, &off_x, &off_y);
if (off_x || off_y) {
x += off_x;
y += off_y;
RegionTranslate(®ion, off_x, off_y);
}
glamor_make_current(glamor_priv);
glamor_upload_region(pixmap, ®ion, x, y, (uint8_t *) bits, byte_stride);
RegionUninit(®ion);
return TRUE;
bail:
return FALSE;
}
static void
glamor_put_image_bail(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
int w, int h, int leftPad, int format, char *bits)
{
if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RW))
fbPutImage(drawable, gc, depth, x, y, w, h, leftPad, format, bits);
glamor_finish_access(drawable);
}
void
glamor_put_image(DrawablePtr drawable, GCPtr gc, int depth, int x, int y,
int w, int h, int leftPad, int format, char *bits)
{
if (glamor_put_image_gl(drawable, gc, depth, x, y, w, h, leftPad, format, bits))
return;
glamor_put_image_bail(drawable, gc, depth, x, y, w, h, leftPad, format, bits);
}
static Bool
glamor_get_image_gl(DrawablePtr drawable, int x, int y, int w, int h,
unsigned int format, unsigned long plane_mask, char *d)
{
PixmapPtr pixmap = glamor_get_drawable_pixmap(drawable);
glamor_pixmap_private *pixmap_priv;
uint32_t byte_stride = PixmapBytePad(w, drawable->depth);
BoxRec box;
int off_x, off_y;
pixmap_priv = glamor_get_pixmap_private(pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(pixmap_priv))
goto bail;
if (format != ZPixmap || !glamor_pm_is_solid(drawable, plane_mask))
goto bail;
glamor_get_drawable_deltas(drawable, pixmap, &off_x, &off_y);
box.x1 = x;
box.x2 = x + w;
box.y1 = y;
box.y2 = y + h;
glamor_download_boxes(pixmap, &box, 1,
drawable->x + off_x, drawable->y + off_y,
-x, -y,
(uint8_t *) d, byte_stride);
return TRUE;
bail:
return FALSE;
}
static void
glamor_get_image_bail(DrawablePtr drawable, int x, int y, int w, int h,
unsigned int format, unsigned long plane_mask, char *d)
{
if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RO))
fbGetImage(drawable, x, y, w, h, format, plane_mask, d);
glamor_finish_access(drawable);
}
void
glamor_get_image(DrawablePtr drawable, int x, int y, int w, int h,
unsigned int format, unsigned long plane_mask, char *d)
{
if (glamor_get_image_gl(drawable, x, y, w, h, format, plane_mask, d))
return;
glamor_get_image_bail(drawable, x, y, w, h, format, plane_mask, d);
}
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