diff options
author | Keith Whitwell <keithw@vmware.com> | 2009-07-29 07:40:50 +0100 |
---|---|---|
committer | Keith Whitwell <keithw@vmware.com> | 2009-08-18 16:55:10 +0100 |
commit | 80c78472ad43f4288c9ef5076074ba9d31a39885 (patch) | |
tree | 9059164cd806a1ed09f7a2ab1a7281d42e891bd3 /src/gallium/drivers/softpipe/sp_tile_cache.c | |
parent | 99ec78d9462d2a553982d0ea15d538b36b1c123b (diff) |
softpipe: split texture and surface tile caches
These do similar jobs but with largely disjoint code. Will want
to evolve them separately going forward.
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_tile_cache.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_tile_cache.c | 171 |
1 files changed, 2 insertions, 169 deletions
diff --git a/src/gallium/drivers/softpipe/sp_tile_cache.c b/src/gallium/drivers/softpipe/sp_tile_cache.c index 77d02fa3e7a..2d82badcec3 100644 --- a/src/gallium/drivers/softpipe/sp_tile_cache.c +++ b/src/gallium/drivers/softpipe/sp_tile_cache.c @@ -26,7 +26,7 @@ **************************************************************************/ /** - * Texture tile caching. + * Render target tile caching. * * Author: * Brian Paul @@ -37,7 +37,6 @@ #include "util/u_tile.h" #include "sp_context.h" #include "sp_surface.h" -#include "sp_texture.h" #include "sp_tile_cache.h" @@ -111,10 +110,6 @@ sp_destroy_tile_cache(struct softpipe_tile_cache *tc) screen = tc->transfer->texture->screen; screen->tex_transfer_destroy(tc->transfer); } - if (tc->tex_trans) { - screen = tc->tex_trans->texture->screen; - screen->tex_transfer_destroy(tc->tex_trans); - } FREE( tc ); } @@ -127,8 +122,6 @@ void sp_tile_cache_set_surface(struct softpipe_tile_cache *tc, struct pipe_surface *ps) { - assert(!tc->texture); - if (tc->transfer) { struct pipe_screen *screen = tc->transfer->texture->screen; @@ -180,9 +173,6 @@ sp_tile_cache_map_transfers(struct softpipe_tile_cache *tc) { if (tc->transfer && !tc->transfer_map) tc->transfer_map = tc->screen->transfer_map(tc->screen, tc->transfer); - - if (tc->tex_trans && !tc->tex_trans_map) - tc->tex_trans_map = tc->screen->transfer_map(tc->screen, tc->tex_trans); } @@ -193,68 +183,8 @@ sp_tile_cache_unmap_transfers(struct softpipe_tile_cache *tc) tc->screen->transfer_unmap(tc->screen, tc->transfer); tc->transfer_map = NULL; } - - if (tc->tex_trans_map) { - tc->screen->transfer_unmap(tc->screen, tc->tex_trans); - tc->tex_trans_map = NULL; - } -} - -void -sp_tile_cache_validate_texture(struct softpipe_tile_cache *tc) -{ - if (tc->texture) { - struct softpipe_texture *spt = softpipe_texture(tc->texture); - if (spt->timestamp != tc->timestamp) { - /* texture was modified, invalidate all cached tiles */ - uint i; - _debug_printf("INV %d %d\n", tc->timestamp, spt->timestamp); - for (i = 0; i < NUM_ENTRIES; i++) { - tc->entries[i].addr.bits.invalid = 1; - } - - tc->timestamp = spt->timestamp; - } - } -} - -/** - * Specify the texture to cache. - */ -void -sp_tile_cache_set_texture(struct softpipe_tile_cache *tc, - struct pipe_texture *texture) -{ - uint i; - - assert(!tc->transfer); - - if (tc->texture != texture) { - pipe_texture_reference(&tc->texture, texture); - - if (tc->tex_trans) { - struct pipe_screen *screen = tc->tex_trans->texture->screen; - - if (tc->tex_trans_map) { - screen->transfer_unmap(screen, tc->tex_trans); - tc->tex_trans_map = NULL; - } - - screen->tex_transfer_destroy(tc->tex_trans); - tc->tex_trans = NULL; - } - - /* mark as entries as invalid/empty */ - /* XXX we should try to avoid this when the teximage hasn't changed */ - for (i = 0; i < NUM_ENTRIES; i++) { - tc->entries[i].addr.bits.invalid = 1; - } - - tc->tex_face = -1; /* any invalid value here */ - } } - /** * Set pixels in a tile to the given clear color/value, float. */ @@ -345,7 +275,7 @@ sp_tile_cache_flush_clear(struct softpipe_tile_cache *tc) /* push the tile to all positions marked as clear */ for (y = 0; y < h; y += TILE_SIZE) { for (x = 0; x < w; x += TILE_SIZE) { - union tile_address addr = tile_address(x, y, 0, 0, 0); + union tile_address addr = tile_address(x, y); if (is_clear_flag_set(tc->clear_flags, addr)) { pipe_put_tile_raw(pt, @@ -403,13 +333,6 @@ sp_flush_tile_cache(struct softpipe_tile_cache *tc) sp_tile_cache_flush_clear(tc); #endif } - else if (tc->texture) { - /* caching a texture, mark all entries as empty */ - for (pos = 0; pos < NUM_ENTRIES; pos++) { - tc->entries[pos].addr.bits.invalid = 1; - } - tc->tex_face = -1; - } #if 0 debug_printf("flushed tiles in use: %d\n", inuse); @@ -488,97 +411,7 @@ sp_find_cached_tile(struct softpipe_tile_cache *tc, } -/** - * Given the texture face, level, zslice, x and y values, compute - * the cache entry position/index where we'd hope to find the - * cached texture tile. - * This is basically a direct-map cache. - * XXX There's probably lots of ways in which we can improve this. - */ -static INLINE uint -tex_cache_pos( union tile_address addr ) -{ - uint entry = (addr.bits.x + - addr.bits.y * 9 + - addr.bits.z * 3 + - addr.bits.face + - addr.bits.level * 7); - - return entry % NUM_ENTRIES; -} - -/** - * Similar to sp_get_cached_tile() but for textures. - * Tiles are read-only and indexed with more params. - */ -const struct softpipe_cached_tile * -sp_find_cached_tile_tex(struct softpipe_tile_cache *tc, - union tile_address addr ) -{ - struct pipe_screen *screen = tc->screen; - struct softpipe_cached_tile *tile; - - tile = tc->entries + tex_cache_pos( addr ); - - if (addr.value != tile->addr.value) { - - /* cache miss. Most misses are because we've invaldiated the - * texture cache previously -- most commonly on binding a new - * texture. Currently we effectively flush the cache on texture - * bind. - */ -#if 0 - _debug_printf("miss at %u: x=%d y=%d z=%d face=%d level=%d\n" - " tile %u: x=%d y=%d z=%d face=%d level=%d\n", - pos, x/TILE_SIZE, y/TILE_SIZE, z, face, level, - pos, tile->addr.bits.x, tile->addr.bits.y, tile->z, tile->face, tile->level); -#endif - - /* check if we need to get a new transfer */ - if (!tc->tex_trans || - tc->tex_face != addr.bits.face || - tc->tex_level != addr.bits.level || - tc->tex_z != addr.bits.z) { - /* get new transfer (view into texture) */ - - if (tc->tex_trans) { - if (tc->tex_trans_map) { - tc->screen->transfer_unmap(tc->screen, tc->tex_trans); - tc->tex_trans_map = NULL; - } - - screen->tex_transfer_destroy(tc->tex_trans); - tc->tex_trans = NULL; - } - - tc->tex_trans = - screen->get_tex_transfer(screen, tc->texture, - addr.bits.face, - addr.bits.level, - addr.bits.z, - PIPE_TRANSFER_READ, 0, 0, - tc->texture->width[addr.bits.level], - tc->texture->height[addr.bits.level]); - - tc->tex_trans_map = screen->transfer_map(screen, tc->tex_trans); - tc->tex_face = addr.bits.face; - tc->tex_level = addr.bits.level; - tc->tex_z = addr.bits.z; - } - - /* get tile from the transfer (view into texture) */ - pipe_get_tile_rgba(tc->tex_trans, - addr.bits.x * TILE_SIZE, - addr.bits.y * TILE_SIZE, - TILE_SIZE, TILE_SIZE, - (float *) tile->data.color); - tile->addr = addr; - } - - tc->last_tile = tile; - return tile; -} /** |