1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
35 * Get tile of color or Z values from main memory, put into SPU memory.
38 get_tile(uint tx, uint ty, tile_t *tile, int tag, int zBuf)
40 const uint offset = ty * spu.fb.width_tiles + tx;
41 const uint bytesPerTile = TILE_SIZE * TILE_SIZE * (zBuf ? spu.fb.zsize : 4);
42 const ubyte *src = zBuf ? spu.fb.depth_start : spu.fb.color_start;
44 src += offset * bytesPerTile;
46 ASSERT(tx < spu.fb.width_tiles);
47 ASSERT(ty < spu.fb.height_tiles);
50 printf("get_tile: dest: %p src: 0x%x size: %d\n",
51 tile, (unsigned int) src, bytesPerTile);
53 mfc_get(tile->ui, /* dest in local memory */
54 (unsigned int) src, /* src in main memory */
63 * Move tile of color or Z values from SPU memory to main memory.
66 put_tile(uint tx, uint ty, const tile_t *tile, int tag, int zBuf)
68 const uint offset = ty * spu.fb.width_tiles + tx;
69 const uint bytesPerTile = TILE_SIZE * TILE_SIZE * (zBuf ? spu.fb.zsize : 4);
70 ubyte *dst = zBuf ? spu.fb.depth_start : spu.fb.color_start;
72 dst += offset * bytesPerTile;
74 ASSERT(tx < spu.fb.width_tiles);
75 ASSERT(ty < spu.fb.height_tiles);
78 printf("SPU %u: put_tile: src: %p dst: 0x%x size: %d\n",
80 tile, (unsigned int) dst, bytesPerTile);
82 mfc_put((void *) tile->ui, /* src in local memory */
83 (unsigned int) dst, /* dst in main memory */
92 * For tiles whose status is TILE_STATUS_CLEAR, write solid-filled
93 * tiles back to the main framebuffer.
96 really_clear_tiles(uint surfaceIndex)
98 const uint num_tiles = spu.fb.width_tiles * spu.fb.height_tiles;
101 if (surfaceIndex == 0) {
102 clear_c_tile(&spu.ctile);
104 for (i = spu.init.id; i < num_tiles; i += spu.init.num_spus) {
105 uint tx = i % spu.fb.width_tiles;
106 uint ty = i / spu.fb.width_tiles;
107 if (spu.ctile_status[ty][tx] == TILE_STATUS_CLEAR) {
108 put_tile(tx, ty, &spu.ctile, TAG_SURFACE_CLEAR, 0);
113 clear_z_tile(&spu.ztile);
115 for (i = spu.init.id; i < num_tiles; i += spu.init.num_spus) {
116 uint tx = i % spu.fb.width_tiles;
117 uint ty = i / spu.fb.width_tiles;
118 if (spu.ztile_status[ty][tx] == TILE_STATUS_CLEAR)
119 put_tile(tx, ty, &spu.ctile, TAG_SURFACE_CLEAR, 1);
124 wait_on_mask(1 << TAG_SURFACE_CLEAR);