diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
commit | 080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch) | |
tree | e173767ebc5a82d81b9fc086449d915e29348976 /src/gallium/drivers/svga/svga_screen_cache.h | |
parent | 9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff) | |
parent | a1de400e8de06a80ab140bb0fa950e990607572d (diff) |
Merge remote branch 'origin/master' into lp-binning
Conflicts:
src/gallium/auxiliary/util/u_surface.c
src/gallium/drivers/llvmpipe/Makefile
src/gallium/drivers/llvmpipe/SConscript
src/gallium/drivers/llvmpipe/lp_bld_arit.c
src/gallium/drivers/llvmpipe/lp_bld_flow.c
src/gallium/drivers/llvmpipe/lp_bld_interp.c
src/gallium/drivers/llvmpipe/lp_clear.c
src/gallium/drivers/llvmpipe/lp_context.c
src/gallium/drivers/llvmpipe/lp_context.h
src/gallium/drivers/llvmpipe/lp_draw_arrays.c
src/gallium/drivers/llvmpipe/lp_jit.c
src/gallium/drivers/llvmpipe/lp_jit.h
src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/llvmpipe/lp_setup_point.c
src/gallium/drivers/llvmpipe/lp_state.h
src/gallium/drivers/llvmpipe/lp_state_blend.c
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_fs.c
src/gallium/drivers/llvmpipe/lp_state_sampler.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_tex_cache.h
src/gallium/drivers/llvmpipe/lp_tex_sample.h
src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/gallium/drivers/svga/svga_screen_cache.h')
-rw-r--r-- | src/gallium/drivers/svga/svga_screen_cache.h | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_screen_cache.h b/src/gallium/drivers/svga/svga_screen_cache.h new file mode 100644 index 0000000000..f5aa740d40 --- /dev/null +++ b/src/gallium/drivers/svga/svga_screen_cache.h @@ -0,0 +1,144 @@ +/********************************************************** + * Copyright 2008-2009 VMware, Inc. 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, sublicense, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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. + * + **********************************************************/ + +#ifndef SVGA_SCREEN_CACHE_H_ +#define SVGA_SCREEN_CACHE_H_ + + +#include "svga_types.h" +#include "svga_reg.h" +#include "svga3d_reg.h" + +#include "pipe/p_thread.h" + +#include "util/u_double_list.h" + + +/* Guess the storage size of cached surfaces and try and keep it under + * this amount: + */ +#define SVGA_HOST_SURFACE_CACHE_BYTES 16*1024*1024 + +/* Maximum number of discrete surfaces in the cache: + */ +#define SVGA_HOST_SURFACE_CACHE_SIZE 1024 + +/* Number of hash buckets: + */ +#define SVGA_HOST_SURFACE_CACHE_BUCKETS 256 + + +struct svga_winsys_surface; +struct svga_screen; + +/** + * Same as svga_winsys_screen::surface_create. + */ +struct svga_host_surface_cache_key +{ + SVGA3dSurfaceFlags flags; + SVGA3dSurfaceFormat format; + SVGA3dSize size; + uint32_t numFaces:24; + uint32_t numMipLevels:7; + uint32_t cachable:1; /* False if this is a shared surface */ +}; + + +struct svga_host_surface_cache_entry +{ + /** + * Head for the LRU list, svga_host_surface_cache::unused, and + * svga_host_surface_cache::empty + */ + struct list_head head; + + /** Head for the bucket lists. */ + struct list_head bucket_head; + + struct svga_host_surface_cache_key key; + struct svga_winsys_surface *handle; + + struct pipe_fence_handle *fence; +}; + + +/** + * Cache of the host surfaces. + * + * A cache entry can be in the following stages: + * 1. empty + * 2. holding a buffer in a validate list + * 3. holding a flushed buffer (not in any validate list) with an active fence + * 4. holding a flushed buffer with an expired fence + * + * An entry progresses from 1 -> 2 -> 3 -> 4. When we need an entry to put a + * buffer into we preferencial take from 1, or from the least recentely used + * buffer from 3/4. + */ +struct svga_host_surface_cache +{ + pipe_mutex mutex; + + /* Unused buffers are put in buckets to speed up lookups */ + struct list_head bucket[SVGA_HOST_SURFACE_CACHE_BUCKETS]; + + /* Entries with unused buffers, ordered from most to least recently used + * (3 and 4) */ + struct list_head unused; + + /* Entries with buffers still in validate lists (2) */ + struct list_head validated; + + /** Empty entries (1) */ + struct list_head empty; + + /** The actual storage for the entries */ + struct svga_host_surface_cache_entry entries[SVGA_HOST_SURFACE_CACHE_SIZE]; +}; + + +void +svga_screen_cache_cleanup(struct svga_screen *svgascreen); + +void +svga_screen_cache_flush(struct svga_screen *svgascreen, + struct pipe_fence_handle *fence); + +enum pipe_error +svga_screen_cache_init(struct svga_screen *svgascreen); + + +struct svga_winsys_surface * +svga_screen_surface_create(struct svga_screen *svgascreen, + struct svga_host_surface_cache_key *key); + +void +svga_screen_surface_destroy(struct svga_screen *svgascreen, + const struct svga_host_surface_cache_key *key, + struct svga_winsys_surface **handle); + + +#endif /* SVGA_SCREEN_CACHE_H_ */ |