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xserver-multidpi/glamor/glamor_copyarea.c

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/*
* Copyright © 2008 Intel Corporation
* Copyright © 1998 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 Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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.
*
* Authors:
* Eric Anholt <eric@anholt.net>
* Zhigang Gong <zhigang.gong@linux.intel.com>
*/
#include "glamor_priv.h"
/** @file glamor_copyarea.c
*
* GC CopyArea implementation
*/
static Bool
glamor_copy_n_to_n_fbo_blit(DrawablePtr src,
DrawablePtr dst,
GCPtr gc, BoxPtr box, int nbox, int dx, int dy)
{
ScreenPtr screen = dst->pScreen;
PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
glamor_pixmap_private *src_pixmap_priv, *dst_pixmap_priv;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
int dst_x_off, dst_y_off, src_x_off, src_y_off, i;
int fbo_x_off, fbo_y_off;
int src_fbo_x_off, src_fbo_y_off;
if (!glamor_priv->has_fbo_blit) {
glamor_delayed_fallback(screen, "no EXT_framebuffer_blit\n");
return FALSE;
}
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
if (gc) {
if (gc->alu != GXcopy) {
glamor_delayed_fallback(screen, "non-copy ALU\n");
return FALSE;
}
}
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(src_pixmap_priv)) {
glamor_delayed_fallback(screen, "no src fbo\n");
return FALSE;
}
if (glamor_set_destination_pixmap(dst_pixmap))
return FALSE;
pixmap_priv_get_fbo_off(dst_pixmap_priv, &fbo_x_off, &fbo_y_off);
pixmap_priv_get_fbo_off(src_pixmap_priv, &src_fbo_x_off, &src_fbo_y_off);
glamor_make_current(glamor_priv);
glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT, src_pixmap_priv->base.fbo->fb);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off, &dst_y_off);
glamor_get_drawable_deltas(src, src_pixmap, &src_x_off, &src_y_off);
dst_x_off += fbo_x_off;
dst_y_off += fbo_y_off;
src_y_off += dy + src_fbo_y_off;
src_x_off += src_fbo_x_off;
for (i = 0; i < nbox; i++) {
if (glamor_priv->yInverted) {
glBlitFramebuffer(box[i].x1 + dx + src_x_off,
box[i].y1 + src_y_off,
box[i].x2 + dx + src_x_off,
box[i].y2 + src_y_off,
box[i].x1 + dst_x_off,
box[i].y1 + dst_y_off,
box[i].x2 + dst_x_off,
box[i].y2 + dst_y_off,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
else {
int flip_dst_y1 =
dst_pixmap->drawable.height - (box[i].y2 + dst_y_off);
int flip_dst_y2 =
dst_pixmap->drawable.height - (box[i].y1 + dst_y_off);
int flip_src_y1 =
src_pixmap->drawable.height - (box[i].y2 + src_y_off);
int flip_src_y2 =
src_pixmap->drawable.height - (box[i].y1 + src_y_off);
glBlitFramebuffer(box[i].x1 + dx + src_x_off,
flip_src_y1,
box[i].x2 + dx + src_x_off,
flip_src_y2,
box[i].x1 + dst_x_off,
flip_dst_y1,
box[i].x2 + dst_x_off,
flip_dst_y2,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
}
}
glamor_priv->state = BLIT_STATE;
return TRUE;
}
static Bool
glamor_copy_n_to_n_textured(DrawablePtr src,
DrawablePtr dst,
GCPtr gc, BoxPtr box, int nbox, int dx, int dy)
{
glamor_screen_private *glamor_priv =
glamor_get_screen_private(dst->pScreen);
PixmapPtr src_pixmap = glamor_get_drawable_pixmap(src);
PixmapPtr dst_pixmap = glamor_get_drawable_pixmap(dst);
int i;
float vertices[8], texcoords[8];
glamor_pixmap_private *src_pixmap_priv;
glamor_pixmap_private *dst_pixmap_priv;
int src_x_off, src_y_off, dst_x_off, dst_y_off;
enum glamor_pixmap_status src_status = GLAMOR_NONE;
GLfloat dst_xscale, dst_yscale, src_xscale, src_yscale;
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
if (src_pixmap_priv->base.gl_fbo == GLAMOR_FBO_UNATTACHED) {
#ifndef GLAMOR_PIXMAP_DYNAMIC_UPLOAD
glamor_delayed_fallback(dst->pScreen, "src has no fbo.\n");
return FALSE;
#else
src_status = glamor_upload_pixmap_to_texture(src_pixmap);
if (src_status != GLAMOR_UPLOAD_DONE)
return FALSE;
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
#endif
}
pixmap_priv_get_dest_scale(dst_pixmap_priv, &dst_xscale, &dst_yscale);
pixmap_priv_get_scale(src_pixmap_priv, &src_xscale, &src_yscale);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off, &dst_y_off);
glamor_make_current(glamor_priv);
glamor_set_destination_pixmap_priv_nc(dst_pixmap_priv);
glVertexAttribPointer(GLAMOR_VERTEX_POS, 2, GL_FLOAT,
GL_FALSE, 2 * sizeof(float), vertices);
glEnableVertexAttribArray(GLAMOR_VERTEX_POS);
glamor_get_drawable_deltas(src, src_pixmap, &src_x_off, &src_y_off);
dx += src_x_off;
dy += src_y_off;
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, src_pixmap_priv->base.fbo->tex);
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP) {
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_BORDER);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_BORDER);
}
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glVertexAttribPointer(GLAMOR_VERTEX_SOURCE, 2, GL_FLOAT, GL_FALSE,
2 * sizeof(float), texcoords);
glEnableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
glUseProgram(glamor_priv->finish_access_prog[0]);
glUniform1i(glamor_priv->finish_access_revert[0], REVERT_NONE);
glUniform1i(glamor_priv->finish_access_swap_rb[0], SWAP_NONE_UPLOADING);
for (i = 0; i < nbox; i++) {
glamor_set_normalize_vcoords(dst_pixmap_priv,
dst_xscale, dst_yscale,
box[i].x1 + dst_x_off,
box[i].y1 + dst_y_off,
box[i].x2 + dst_x_off,
box[i].y2 + dst_y_off,
glamor_priv->yInverted, vertices);
glamor_set_normalize_tcoords(src_pixmap_priv,
src_xscale,
src_yscale,
box[i].x1 + dx,
box[i].y1 + dy,
box[i].x2 + dx,
box[i].y2 + dy,
glamor_priv->yInverted, texcoords);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
}
glDisableVertexAttribArray(GLAMOR_VERTEX_POS);
glDisableVertexAttribArray(GLAMOR_VERTEX_SOURCE);
/* The source texture is bound to a fbo, we have to flush it here. */
glamor_priv->state = RENDER_STATE;
glamor_priv->render_idle_cnt = 0;
return TRUE;
}
static Bool
__glamor_copy_n_to_n(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown, Pixel bitplane, void *closure)
{
PixmapPtr dst_pixmap, src_pixmap, temp_pixmap = NULL;
DrawablePtr temp_src = src;
glamor_pixmap_private *dst_pixmap_priv, *src_pixmap_priv;
glamor_screen_private *glamor_priv;
BoxRec bound;
ScreenPtr screen;
int temp_dx = dx;
int temp_dy = dy;
int src_x_off, src_y_off, dst_x_off, dst_y_off;
int i;
int overlaped = 0;
Bool ret = FALSE;
dst_pixmap = glamor_get_drawable_pixmap(dst);
dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
src_pixmap = glamor_get_drawable_pixmap(src);
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
screen = dst_pixmap->drawable.pScreen;
glamor_priv = glamor_get_screen_private(dst->pScreen);
glamor_get_drawable_deltas(src, src_pixmap, &src_x_off, &src_y_off);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off, &dst_y_off);
if (src_pixmap_priv->base.fbo
&& src_pixmap_priv->base.fbo->fb == dst_pixmap_priv->base.fbo->fb) {
int x_shift = abs(src_x_off - dx - dst_x_off);
int y_shift = abs(src_y_off - dy - dst_y_off);
for (i = 0; i < nbox; i++) {
if (x_shift < abs(box[i].x2 - box[i].x1)
&& y_shift < abs(box[i].y2 - box[i].y1)) {
overlaped = 1;
break;
}
}
}
DEBUGF("Copy %d %d %dx%d dx %d dy %d from %p to %p \n",
box[0].x1, box[0].y1,
box[0].x2 - box[0].x1, box[0].y2 - box[0].y1,
dx, dy, src_pixmap, dst_pixmap);
if (glamor_priv->gl_flavor == GLAMOR_GL_DESKTOP &&
!overlaped &&
(glamor_priv->state != RENDER_STATE
|| !src_pixmap_priv->base.gl_tex || !dst_pixmap_priv->base.gl_tex)
&& glamor_copy_n_to_n_fbo_blit(src, dst, gc, box, nbox, dx, dy)) {
ret = TRUE;
goto done;
}
glamor_calculate_boxes_bound(&bound, box, nbox);
/* Overlaped indicate the src and dst are the same pixmap. */
if (overlaped || (!GLAMOR_PIXMAP_PRIV_HAS_FBO(src_pixmap_priv)
&& (((bound.x2 - bound.x1) * (bound.y2 - bound.y1)
* 4 >
src_pixmap->drawable.width *
src_pixmap->drawable.height)
|| !(glamor_check_fbo_size(glamor_priv,
src_pixmap->drawable.width,
src_pixmap->drawable.
height))))) {
temp_pixmap = glamor_create_pixmap(screen,
bound.x2 - bound.x1,
bound.y2 - bound.y1,
src_pixmap->drawable.depth,
overlaped ? 0 :
GLAMOR_CREATE_PIXMAP_CPU);
assert(bound.x2 - bound.x1 <= glamor_priv->max_fbo_size);
assert(bound.y2 - bound.y1 <= glamor_priv->max_fbo_size);
if (!temp_pixmap)
goto done;
glamor_translate_boxes(box, nbox, -bound.x1, -bound.y1);
temp_src = &temp_pixmap->drawable;
if (overlaped)
glamor_copy_n_to_n_textured(src, temp_src, gc, box,
nbox,
temp_dx + bound.x1, temp_dy + bound.y1);
else
fbCopyNtoN(src, temp_src, gc, box, nbox,
temp_dx + bound.x1, temp_dy + bound.y1,
reverse, upsidedown, bitplane, closure);
glamor_translate_boxes(box, nbox, bound.x1, bound.y1);
temp_dx = -bound.x1;
temp_dy = -bound.y1;
}
else {
temp_dx = dx;
temp_dy = dy;
temp_src = src;
}
if (glamor_copy_n_to_n_textured
(temp_src, dst, gc, box, nbox, temp_dx, temp_dy)) {
ret = TRUE;
}
done:
if (temp_src != src)
glamor_destroy_pixmap(temp_pixmap);
return ret;
}
static Bool
_glamor_copy_n_to_n(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown, Pixel bitplane,
void *closure, Bool fallback)
{
ScreenPtr screen = dst->pScreen;
PixmapPtr dst_pixmap, src_pixmap;
glamor_pixmap_private *dst_pixmap_priv, *src_pixmap_priv;
glamor_screen_private *glamor_priv;
BoxPtr extent;
RegionRec region;
int src_x_off, src_y_off, dst_x_off, dst_y_off;
Bool ok = FALSE;
int force_clip = 0;
if (nbox == 0)
return TRUE;
dst_pixmap = glamor_get_drawable_pixmap(dst);
dst_pixmap_priv = glamor_get_pixmap_private(dst_pixmap);
src_pixmap = glamor_get_drawable_pixmap(src);
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
glamor_priv = glamor_get_screen_private(screen);
DEBUGF("Copy %d %d %dx%d dx %d dy %d from %p to %p \n",
box[0].x1, box[0].y1,
box[0].x2 - box[0].x1, box[0].y2 - box[0].y1,
dx, dy, src_pixmap, dst_pixmap);
if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dst_pixmap_priv))
goto fall_back;
if (gc) {
if (!glamor_set_planemask(dst_pixmap, gc->planemask))
goto fall_back;
glamor_make_current(glamor_priv);
if (!glamor_set_alu(screen, gc->alu)) {
goto fail;
}
}
if (!src_pixmap_priv) {
glamor_set_pixmap_type(src_pixmap, GLAMOR_MEMORY);
src_pixmap_priv = glamor_get_pixmap_private(src_pixmap);
}
glamor_get_drawable_deltas(src, src_pixmap, &src_x_off, &src_y_off);
glamor_get_drawable_deltas(dst, dst_pixmap, &dst_x_off, &dst_y_off);
RegionInitBoxes(&region, box, nbox);
extent = RegionExtents(&region);
if (!glamor_check_fbo_size(glamor_priv,
extent->x2 - extent->x1, extent->y2 - extent->y1)
&& (src_pixmap_priv->type == GLAMOR_MEMORY
|| (src_pixmap_priv == dst_pixmap_priv))) {
force_clip = 1;
}
if (force_clip || dst_pixmap_priv->type == GLAMOR_TEXTURE_LARGE
|| src_pixmap_priv->type == GLAMOR_TEXTURE_LARGE) {
glamor_pixmap_clipped_regions *clipped_dst_regions;
int n_dst_region, i, j;
PixmapPtr temp_source_pixmap;
glamor_pixmap_private *temp_source_priv = NULL;
RegionTranslate(&region, dst_x_off, dst_y_off);
if (!force_clip)
clipped_dst_regions =
glamor_compute_clipped_regions(dst_pixmap_priv, &region,
&n_dst_region, 0, reverse,
upsidedown);
else
clipped_dst_regions =
glamor_compute_clipped_regions_ext(dst_pixmap_priv, &region,
&n_dst_region,
glamor_priv->max_fbo_size,
glamor_priv->max_fbo_size,
reverse, upsidedown);
for (i = 0; i < n_dst_region; i++) {
int n_src_region;
glamor_pixmap_clipped_regions *clipped_src_regions;
BoxPtr current_boxes;
int n_current_boxes;
SET_PIXMAP_FBO_CURRENT(dst_pixmap_priv,
clipped_dst_regions[i].block_idx);
temp_source_pixmap = NULL;
if (src_pixmap_priv->type == GLAMOR_TEXTURE_LARGE) {
RegionTranslate(clipped_dst_regions[i].region,
-dst_x_off + src_x_off + dx,
-dst_y_off + src_y_off + dy);
clipped_src_regions =
glamor_compute_clipped_regions(src_pixmap_priv,
clipped_dst_regions[i].
region, &n_src_region, 0,
reverse, upsidedown);
DEBUGF("Source is large pixmap.\n");
for (j = 0; j < n_src_region; j++) {
if (src_pixmap_priv != dst_pixmap_priv)
SET_PIXMAP_FBO_CURRENT(src_pixmap_priv,
clipped_src_regions[j].
block_idx);
else if (src_pixmap_priv == dst_pixmap_priv &&
clipped_src_regions[j].block_idx !=
clipped_dst_regions[i].block_idx) {
/* source and the dest are the same, but need different block_idx.
* we create a empty pixmap and fill the required source fbo and box to
* it. It's a little hacky, but avoid extra copy. */
temp_source_pixmap =
glamor_create_pixmap(src->pScreen, 0, 0, src->depth,
0);
if (!temp_source_pixmap) {
ok = FALSE;
goto fail;
}
src->pScreen->ModifyPixmapHeader(temp_source_pixmap,
src_pixmap->drawable.
width,
src_pixmap->drawable.
height, 0, 0,
src_pixmap->devKind,
NULL);
temp_source_priv =
glamor_get_pixmap_private(temp_source_pixmap);
*temp_source_priv = *src_pixmap_priv;
temp_source_priv->large.box =
src_pixmap_priv->large.
box_array[clipped_src_regions[j].block_idx];
temp_source_priv->base.fbo =
src_pixmap_priv->large.
fbo_array[clipped_src_regions[j].block_idx];
temp_source_priv->base.pixmap = temp_source_pixmap;
}
assert(temp_source_pixmap ||
!(src_pixmap_priv == dst_pixmap_priv &&
(clipped_src_regions[j].block_idx !=
clipped_dst_regions[i].block_idx)));
RegionTranslate(clipped_src_regions[j].region,
-src_x_off - dx, -src_y_off - dy);
current_boxes = RegionRects(clipped_src_regions[j].region);
n_current_boxes =
RegionNumRects(clipped_src_regions[j].region);
DEBUGF("dst pixmap fbo idx %d src pixmap fbo idx %d \n",
clipped_dst_regions[i].block_idx,
clipped_src_regions[j].block_idx);
DEBUGF("Copy %d %d %d %d dx %d dy %d from %p to %p \n",
current_boxes[0].x1, current_boxes[0].y1,
current_boxes[0].x2, current_boxes[0].y2, dx, dy,
src_pixmap, dst_pixmap);
if (!temp_source_pixmap)
ok = __glamor_copy_n_to_n(src, dst, gc, current_boxes,
n_current_boxes, dx, dy,
reverse, upsidedown, bitplane,
closure);
else {
ok = __glamor_copy_n_to_n(&temp_source_pixmap->drawable,
dst, gc, current_boxes,
n_current_boxes, dx, dy,
reverse, upsidedown, bitplane,
closure);
temp_source_priv->type = GLAMOR_MEMORY;
temp_source_priv->base.fbo = NULL;
glamor_destroy_pixmap(temp_source_pixmap);
temp_source_pixmap = NULL;
}
RegionDestroy(clipped_src_regions[j].region);
if (!ok) {
assert(0);
goto fail;
}
}
if (n_src_region == 0)
ok = TRUE;
free(clipped_src_regions);
}
else {
RegionTranslate(clipped_dst_regions[i].region,
-dst_x_off, -dst_y_off);
current_boxes = RegionRects(clipped_dst_regions[i].region);
n_current_boxes = RegionNumRects(clipped_dst_regions[i].region);
DEBUGF("dest pixmap fbo idx %d \n",
clipped_dst_regions[i].block_idx);
DEBUGF("Copy %d %d %d %d dx %d dy %d from %p to %p \n",
current_boxes[0].x1, current_boxes[0].y1,
current_boxes[0].x2, current_boxes[0].y2,
dx, dy, src_pixmap, dst_pixmap);
ok = __glamor_copy_n_to_n(src, dst, gc, current_boxes,
n_current_boxes, dx, dy, reverse,
upsidedown, bitplane, closure);
}
RegionDestroy(clipped_dst_regions[i].region);
}
if (n_dst_region == 0)
ok = TRUE;
free(clipped_dst_regions);
RegionUninit(&region);
}
else {
ok = __glamor_copy_n_to_n(src, dst, gc, box, nbox, dx, dy,
reverse, upsidedown, bitplane, closure);
}
fail:
glamor_make_current(glamor_priv);
glamor_set_alu(screen, GXcopy);
if (ok)
return TRUE;
fall_back:
if (!fallback && glamor_ddx_fallback_check_pixmap(src)
&& glamor_ddx_fallback_check_pixmap(dst))
goto done;
if (src_pixmap_priv->type == GLAMOR_DRM_ONLY
|| dst_pixmap_priv->type == GLAMOR_DRM_ONLY) {
LogMessage(X_WARNING,
"Access a DRM only pixmap is not allowed within glamor.\n");
return TRUE;
}
glamor_report_delayed_fallbacks(src->pScreen);
glamor_report_delayed_fallbacks(dst->pScreen);
glamor_fallback("from %p to %p (%c,%c)\n", src, dst,
glamor_get_drawable_location(src),
glamor_get_drawable_location(dst));
if (glamor_prepare_access(dst, GLAMOR_ACCESS_RW) &&
glamor_prepare_access(src, GLAMOR_ACCESS_RO) &&
glamor_prepare_access_gc(gc)) {
fbCopyNtoN(src, dst, gc, box, nbox,
dx, dy, reverse, upsidedown, bitplane, closure);
}
glamor_finish_access_gc(gc);
glamor_finish_access(src);
glamor_finish_access(dst);
ok = TRUE;
done:
glamor_clear_delayed_fallbacks(src->pScreen);
glamor_clear_delayed_fallbacks(dst->pScreen);
return ok;
}
RegionPtr
glamor_copy_area(DrawablePtr src, DrawablePtr dst, GCPtr gc,
int srcx, int srcy, int width, int height, int dstx, int dsty)
{
RegionPtr region;
region = miDoCopy(src, dst, gc,
srcx, srcy, width, height,
dstx, dsty, glamor_copy_n_to_n, 0, NULL);
return region;
}
void
glamor_copy_n_to_n(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse, Bool upsidedown, Pixel bitplane, void *closure)
{
_glamor_copy_n_to_n(src, dst, gc, box, nbox, dx,
dy, reverse, upsidedown, bitplane, closure, TRUE);
}
Bool
glamor_copy_n_to_n_nf(DrawablePtr src,
DrawablePtr dst,
GCPtr gc,
BoxPtr box,
int nbox,
int dx,
int dy,
Bool reverse,
Bool upsidedown, Pixel bitplane, void *closure)
{
return _glamor_copy_n_to_n(src, dst, gc, box, nbox, dx,
dy, reverse, upsidedown, bitplane, closure,
FALSE);
}
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