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)
{
PixmapPtr dst_pixmap, src_pixmap;
glamor_pixmap_private *dst_pixmap_priv, *src_pixmap_priv;
glamor_screen_private *glamor_priv;
glamor_gl_dispatch *dispatch;
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(dst->pScreen);
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;
dispatch = glamor_get_dispatch(glamor_priv);
if (!glamor_set_alu(dispatch, gc->alu)) {
glamor_put_dispatch(glamor_priv);
goto fail_noregion;
}
glamor_put_dispatch(glamor_priv);
}
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(®ion, box, nbox);
extent = RegionExtents(®ion);
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(®ion, dst_x_off, dst_y_off);
if (!force_clip)
clipped_dst_regions = glamor_compute_clipped_regions(dst_pixmap_priv,
®ion, &n_dst_region, 0,
reverse, upsidedown);
else
clipped_dst_regions = glamor_compute_clipped_regions_ext(dst_pixmap_priv,
®ion, &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);
} else {
ok = __glamor_copy_n_to_n(src, dst, gc, box, nbox, dx, dy,
reverse, upsidedown, bitplane,
closure);
}
fail:
RegionUninit(®ion);
fail_noregion:
dispatch = glamor_get_dispatch(glamor_priv);
glamor_set_alu(dispatch, GXcopy);
glamor_put_dispatch(glamor_priv);
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;
}
static Bool
glamor_upload_sub_pixmap_to_texture(PixmapPtr pixmap, int x, int y, int w,
int h, int stride, void *bits, int pbo,
PictFormatShort pict_format)
{
ScreenPtr screen = pixmap->drawable.pScreen;
glamor_screen_private *glamor_priv = glamor_get_screen_private(screen);
GLenum format, type;
int no_alpha, revert, swap_rb;
glamor_pixmap_private *pixmap_priv;
Bool force_clip;
if (glamor_get_tex_format_type_from_pixmap(pixmap,
pict_format,
&format,
&type,
&no_alpha,
&revert, &swap_rb, 1)) {
glamor_fallback("Unknown pixmap depth %d.\n", pixmap->drawable.depth);
return FALSE;
}
if (glamor_pixmap_upload_prepare(pixmap, format, no_alpha, revert, swap_rb))
return FALSE;
pixmap_priv = glamor_get_pixmap_private(pixmap);
force_clip = glamor_priv->gl_flavor != GLAMOR_GL_DESKTOP
&& !glamor_check_fbo_size(glamor_priv, w, h);
if (glamor_pixmap_priv_is_large(pixmap_priv) || force_clip) {
RegionRec region;
BoxRec box;
int n_region;
glamor_pixmap_clipped_regions *clipped_regions;
void *sub_bits;
int i, j;
sub_bits = xallocarray(h, stride);
if (sub_bits == NULL)
return FALSE;
box.x1 = x;
box.y1 = y;
box.x2 = x + w;
box.y2 = y + h;
RegionInitBoxes(®ion, &box, 1);
if (!force_clip)
clipped_regions =
glamor_compute_clipped_regions(pixmap, ®ion, &n_region,
0, 0, 0);
else
clipped_regions =
glamor_compute_clipped_regions_ext(pixmap, ®ion,
&n_region,
pixmap_priv->block_w,
pixmap_priv->block_h,
0,
0);
DEBUGF("prepare upload %dx%d to a large pixmap %p\n", w, h, pixmap);
for (i = 0; i < n_region; i++) {
BoxPtr boxes;
int nbox;
int temp_stride;
void *temp_bits;
assert(pbo == 0);
glamor_set_pixmap_fbo_current(pixmap_priv, clipped_regions[i].block_idx);
boxes = RegionRects(clipped_regions[i].region);
nbox = RegionNumRects(clipped_regions[i].region);
DEBUGF("split to %d boxes\n", nbox);
for (j = 0; j < nbox; j++) {
temp_stride = PixmapBytePad(boxes[j].x2 - boxes[j].x1,
pixmap->drawable.depth);
if (boxes[j].x1 == x && temp_stride == stride) {
temp_bits = (char *) bits + (boxes[j].y1 - y) * stride;
}
else {
temp_bits = sub_bits;
glamor_put_bits(temp_bits, temp_stride, bits, stride,
pixmap->drawable.bitsPerPixel,
boxes[j].x1 - x, boxes[j].y1 - y,
boxes[j].x2 - boxes[j].x1,
boxes[j].y2 - boxes[j].y1);
}
DEBUGF("upload x %d y %d w %d h %d temp stride %d \n",
boxes[j].x1 - x, boxes[j].y1 - y,
boxes[j].x2 - boxes[j].x1,
boxes[j].y2 - boxes[j].y1, temp_stride);
if (_glamor_upload_bits_to_pixmap_texture
(pixmap, format, type, no_alpha, revert, swap_rb,
boxes[j].x1, boxes[j].y1, boxes[j].x2 - boxes[j].x1,
boxes[j].y2 - boxes[j].y1, temp_stride, temp_bits,
pbo) == FALSE) {
RegionUninit(®ion);
free(sub_bits);
assert(0);
return FALSE;
}
}
RegionDestroy(clipped_regions[i].region);
}
free(sub_bits);
free(clipped_regions);
RegionUninit(®ion);
return TRUE;
}
else
return _glamor_upload_bits_to_pixmap_texture(pixmap, format, type,
no_alpha, revert, swap_rb,
x, y, w, h, stride, bits,
pbo);
}
