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); }