| /************************************************************************** |
| * |
| * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * 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. |
| * |
| **************************************************************************/ |
| |
| #include "util/u_rect.h" |
| #include "util/u_surface.h" |
| #include "lp_context.h" |
| #include "lp_flush.h" |
| #include "lp_limits.h" |
| #include "lp_surface.h" |
| #include "lp_texture.h" |
| |
| |
| /** |
| * Adjust x, y, width, height to lie on tile bounds. |
| */ |
| static void |
| adjust_to_tile_bounds(unsigned x, unsigned y, unsigned width, unsigned height, |
| unsigned *x_tile, unsigned *y_tile, |
| unsigned *w_tile, unsigned *h_tile) |
| { |
| *x_tile = x & ~(TILE_SIZE - 1); |
| *y_tile = y & ~(TILE_SIZE - 1); |
| *w_tile = ((x + width + TILE_SIZE - 1) & ~(TILE_SIZE - 1)) - *x_tile; |
| *h_tile = ((y + height + TILE_SIZE - 1) & ~(TILE_SIZE - 1)) - *y_tile; |
| } |
| |
| |
| |
| static void |
| lp_resource_copy(struct pipe_context *pipe, |
| struct pipe_resource *dst, unsigned dst_level, |
| unsigned dstx, unsigned dsty, unsigned dstz, |
| struct pipe_resource *src, unsigned src_level, |
| const struct pipe_box *src_box) |
| { |
| /* XXX this used to ignore srcz/dstz |
| * assume it works the same for cube and 3d |
| */ |
| struct llvmpipe_resource *src_tex = llvmpipe_resource(src); |
| struct llvmpipe_resource *dst_tex = llvmpipe_resource(dst); |
| const enum pipe_format format = src_tex->base.format; |
| unsigned width = src_box->width; |
| unsigned height = src_box->height; |
| assert(src_box->depth == 1); |
| |
| llvmpipe_flush_resource(pipe, |
| dst, dst_level, dstz, |
| FALSE, /* read_only */ |
| TRUE, /* cpu_access */ |
| FALSE, /* do_not_block */ |
| "blit dest"); |
| |
| llvmpipe_flush_resource(pipe, |
| src, src_level, src_box->z, |
| TRUE, /* read_only */ |
| TRUE, /* cpu_access */ |
| FALSE, /* do_not_block */ |
| "blit src"); |
| |
| /* |
| printf("surface copy from %u lvl %u to %u lvl %u: %u,%u,%u to %u,%u,%u %u x %u x %u\n", |
| src_tex->id, src_level, dst_tex->id, dst_level, |
| src_box->x, src_box->y, src_box->z, dstx, dsty, dstz, |
| src_box->width, src_box->height, src_box->depth); |
| */ |
| |
| /* set src tiles to linear layout */ |
| { |
| unsigned tx, ty, tw, th; |
| unsigned x, y; |
| |
| adjust_to_tile_bounds(src_box->x, src_box->y, width, height, |
| &tx, &ty, &tw, &th); |
| |
| for (y = 0; y < th; y += TILE_SIZE) { |
| for (x = 0; x < tw; x += TILE_SIZE) { |
| (void) llvmpipe_get_texture_tile_linear(src_tex, |
| src_box->z, src_level, |
| LP_TEX_USAGE_READ, |
| tx + x, ty + y); |
| } |
| } |
| } |
| |
| /* set dst tiles to linear layout */ |
| { |
| unsigned tx, ty, tw, th; |
| unsigned x, y; |
| enum lp_texture_usage usage; |
| |
| adjust_to_tile_bounds(dstx, dsty, width, height, &tx, &ty, &tw, &th); |
| |
| for (y = 0; y < th; y += TILE_SIZE) { |
| boolean contained_y = ty + y >= dsty && |
| ty + y + TILE_SIZE <= dsty + height ? |
| TRUE : FALSE; |
| |
| for (x = 0; x < tw; x += TILE_SIZE) { |
| boolean contained_x = tx + x >= dstx && |
| tx + x + TILE_SIZE <= dstx + width ? |
| TRUE : FALSE; |
| |
| /* |
| * Set the usage mode to WRITE_ALL for the tiles which are |
| * completely contained by the dest rectangle. |
| */ |
| if (contained_y && contained_x) |
| usage = LP_TEX_USAGE_WRITE_ALL; |
| else |
| usage = LP_TEX_USAGE_READ_WRITE; |
| |
| (void) llvmpipe_get_texture_tile_linear(dst_tex, |
| dstz, dst_level, |
| usage, |
| tx + x, ty + y); |
| } |
| } |
| } |
| |
| /* copy */ |
| { |
| const ubyte *src_linear_ptr |
| = llvmpipe_get_texture_image_address(src_tex, src_box->z, |
| src_level, |
| LP_TEX_LAYOUT_LINEAR); |
| ubyte *dst_linear_ptr |
| = llvmpipe_get_texture_image_address(dst_tex, dstz, |
| dst_level, |
| LP_TEX_LAYOUT_LINEAR); |
| |
| if (dst_linear_ptr && src_linear_ptr) { |
| util_copy_rect(dst_linear_ptr, format, |
| llvmpipe_resource_stride(&dst_tex->base, dst_level), |
| dstx, dsty, |
| width, height, |
| src_linear_ptr, |
| llvmpipe_resource_stride(&src_tex->base, src_level), |
| src_box->x, src_box->y); |
| } |
| } |
| } |
| |
| |
| void |
| llvmpipe_init_surface_functions(struct llvmpipe_context *lp) |
| { |
| lp->pipe.resource_copy_region = lp_resource_copy; |
| lp->pipe.clear_render_target = util_clear_render_target; |
| lp->pipe.clear_depth_stencil = util_clear_depth_stencil; |
| } |