diff options
Diffstat (limited to 'src/gallium/auxiliary/cso_cache')
| -rw-r--r-- | src/gallium/auxiliary/cso_cache/Makefile | 14 | ||||
| -rw-r--r-- | src/gallium/auxiliary/cso_cache/SConscript | 11 | ||||
| -rw-r--r-- | src/gallium/auxiliary/cso_cache/cso_cache.c | 406 | ||||
| -rw-r--r-- | src/gallium/auxiliary/cso_cache/cso_cache.h | 176 | ||||
| -rw-r--r-- | src/gallium/auxiliary/cso_cache/cso_context.c | 828 | ||||
| -rw-r--r-- | src/gallium/auxiliary/cso_cache/cso_context.h | 145 | ||||
| -rw-r--r-- | src/gallium/auxiliary/cso_cache/cso_hash.c | 433 | ||||
| -rw-r--r-- | src/gallium/auxiliary/cso_cache/cso_hash.h | 123 |
8 files changed, 2136 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/cso_cache/Makefile b/src/gallium/auxiliary/cso_cache/Makefile new file mode 100644 index 0000000000..6bd6602088 --- /dev/null +++ b/src/gallium/auxiliary/cso_cache/Makefile @@ -0,0 +1,14 @@ +TOP = ../../../.. +include $(TOP)/configs/current + +LIBNAME = cso_cache + +C_SOURCES = \ + cso_context.c \ + cso_cache.c \ + cso_hash.c + +include ../../Makefile.template + +symlinks: + diff --git a/src/gallium/auxiliary/cso_cache/SConscript b/src/gallium/auxiliary/cso_cache/SConscript new file mode 100644 index 0000000000..651e68a191 --- /dev/null +++ b/src/gallium/auxiliary/cso_cache/SConscript @@ -0,0 +1,11 @@ +Import('*') + +cso_cache = env.ConvenienceLibrary( + target = 'cso_cache', + source = [ + 'cso_context.c', + 'cso_cache.c', + 'cso_hash.c', + ]) + +auxiliaries.insert(0, cso_cache) diff --git a/src/gallium/auxiliary/cso_cache/cso_cache.c b/src/gallium/auxiliary/cso_cache/cso_cache.c new file mode 100644 index 0000000000..6b1754ea00 --- /dev/null +++ b/src/gallium/auxiliary/cso_cache/cso_cache.c @@ -0,0 +1,406 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/* Authors: Zack Rusin <zack@tungstengraphics.com> + */ + +#include "pipe/p_debug.h" + +#include "util/u_memory.h" + +#include "cso_cache.h" +#include "cso_hash.h" + + +struct cso_cache { + struct cso_hash *blend_hash; + struct cso_hash *depth_stencil_hash; + struct cso_hash *fs_hash; + struct cso_hash *vs_hash; + struct cso_hash *rasterizer_hash; + struct cso_hash *sampler_hash; + int max_size; + + cso_sanitize_callback sanitize_cb; + void *sanitize_data; +}; + +#if 1 +static unsigned hash_key(const void *key, unsigned key_size) +{ + unsigned *ikey = (unsigned *)key; + unsigned hash = 0, i; + + assert(key_size % 4 == 0); + + /* I'm sure this can be improved on: + */ + for (i = 0; i < key_size/4; i++) + hash ^= ikey[i]; + + return hash; +} +#else +static unsigned hash_key(const unsigned char *p, int n) +{ + unsigned h = 0; + unsigned g; + + while (n--) { + h = (h << 4) + *p++; + if ((g = (h & 0xf0000000)) != 0) + h ^= g >> 23; + h &= ~g; + } + return h; +} +#endif + +unsigned cso_construct_key(void *item, int item_size) +{ + return hash_key((item), item_size); +} + +static struct cso_hash *_cso_hash_for_type(struct cso_cache *sc, enum cso_cache_type type) +{ + struct cso_hash *hash = 0; + + switch(type) { + case CSO_BLEND: + hash = sc->blend_hash; + break; + case CSO_SAMPLER: + hash = sc->sampler_hash; + break; + case CSO_DEPTH_STENCIL_ALPHA: + hash = sc->depth_stencil_hash; + break; + case CSO_RASTERIZER: + hash = sc->rasterizer_hash; + break; + case CSO_FRAGMENT_SHADER: + hash = sc->fs_hash; + break; + case CSO_VERTEX_SHADER: + hash = sc->vs_hash; + break; + } + + return hash; +} + +static int _cso_size_for_type(enum cso_cache_type type) +{ + switch(type) { + case CSO_BLEND: + return sizeof(struct pipe_blend_state); + case CSO_SAMPLER: + return sizeof(struct pipe_sampler_state); + case CSO_DEPTH_STENCIL_ALPHA: + return sizeof(struct pipe_depth_stencil_alpha_state); + case CSO_RASTERIZER: + return sizeof(struct pipe_rasterizer_state); + case CSO_FRAGMENT_SHADER: + return sizeof(struct pipe_shader_state); + case CSO_VERTEX_SHADER: + return sizeof(struct pipe_shader_state); + } + return 0; +} + + +static void delete_blend_state(void *state, void *data) +{ + struct cso_blend *cso = (struct cso_blend *)state; + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); +} + +static void delete_depth_stencil_state(void *state, void *data) +{ + struct cso_depth_stencil_alpha *cso = (struct cso_depth_stencil_alpha *)state; + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); +} + +static void delete_sampler_state(void *state, void *data) +{ + struct cso_sampler *cso = (struct cso_sampler *)state; + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); +} + +static void delete_rasterizer_state(void *state, void *data) +{ + struct cso_rasterizer *cso = (struct cso_rasterizer *)state; + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); +} + +static void delete_fs_state(void *state, void *data) +{ + struct cso_fragment_shader *cso = (struct cso_fragment_shader *)state; + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); +} + +static void delete_vs_state(void *state, void *data) +{ + struct cso_vertex_shader *cso = (struct cso_vertex_shader *)state; + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); +} + + +static INLINE void delete_cso(void *state, enum cso_cache_type type) +{ + switch (type) { + case CSO_BLEND: + delete_blend_state(state, 0); + break; + case CSO_SAMPLER: + delete_sampler_state(state, 0); + break; + case CSO_DEPTH_STENCIL_ALPHA: + delete_depth_stencil_state(state, 0); + break; + case CSO_RASTERIZER: + delete_rasterizer_state(state, 0); + break; + case CSO_FRAGMENT_SHADER: + delete_fs_state(state, 0); + break; + case CSO_VERTEX_SHADER: + delete_vs_state(state, 0); + break; + default: + assert(0); + FREE(state); + } +} + + +static INLINE void sanitize_hash(struct cso_cache *sc, + struct cso_hash *hash, + enum cso_cache_type type, + int max_size) +{ + if (sc->sanitize_cb) + sc->sanitize_cb(hash, type, max_size, sc->sanitize_data); +} + + +static INLINE void sanitize_cb(struct cso_hash *hash, enum cso_cache_type type, + int max_size, void *user_data) +{ + /* if we're approach the maximum size, remove fourth of the entries + * otherwise every subsequent call will go through the same */ + int hash_size = cso_hash_size(hash); + int max_entries = (max_size > hash_size) ? max_size : hash_size; + int to_remove = (max_size < max_entries) * max_entries/4; + if (hash_size > max_size) + to_remove += hash_size - max_size; + while (to_remove) { + /*remove elements until we're good */ + /*fixme: currently we pick the nodes to remove at random*/ + struct cso_hash_iter iter = cso_hash_first_node(hash); + void *cso = cso_hash_take(hash, cso_hash_iter_key(iter)); + delete_cso(cso, type); + --to_remove; + } +} + +struct cso_hash_iter +cso_insert_state(struct cso_cache *sc, + unsigned hash_key, enum cso_cache_type type, + void *state) +{ + struct cso_hash *hash = _cso_hash_for_type(sc, type); + sanitize_hash(sc, hash, type, sc->max_size); + + return cso_hash_insert(hash, hash_key, state); +} + +struct cso_hash_iter +cso_find_state(struct cso_cache *sc, + unsigned hash_key, enum cso_cache_type type) +{ + struct cso_hash *hash = _cso_hash_for_type(sc, type); + + return cso_hash_find(hash, hash_key); +} + + +void *cso_hash_find_data_from_template( struct cso_hash *hash, + unsigned hash_key, + void *templ, + int size ) +{ + struct cso_hash_iter iter = cso_hash_find(hash, hash_key); + while (!cso_hash_iter_is_null(iter)) { + void *iter_data = cso_hash_iter_data(iter); + if (!memcmp(iter_data, templ, size)) { + /* We found a match + */ + return iter_data; + } + iter = cso_hash_iter_next(iter); + } + return NULL; +} + + +struct cso_hash_iter cso_find_state_template(struct cso_cache *sc, + unsigned hash_key, enum cso_cache_type type, + void *templ) +{ + struct cso_hash_iter iter = cso_find_state(sc, hash_key, type); + int size = _cso_size_for_type(type); + while (!cso_hash_iter_is_null(iter)) { + void *iter_data = cso_hash_iter_data(iter); + if (!memcmp(iter_data, templ, size)) + return iter; + iter = cso_hash_iter_next(iter); + } + return iter; +} + +void * cso_take_state(struct cso_cache *sc, + unsigned hash_key, enum cso_cache_type type) +{ + struct cso_hash *hash = _cso_hash_for_type(sc, type); + return cso_hash_take(hash, hash_key); +} + +struct cso_cache *cso_cache_create(void) +{ + struct cso_cache *sc = MALLOC_STRUCT(cso_cache); + if (sc == NULL) + return NULL; + + sc->max_size = 4096; + sc->blend_hash = cso_hash_create(); + sc->sampler_hash = cso_hash_create(); + sc->depth_stencil_hash = cso_hash_create(); + sc->rasterizer_hash = cso_hash_create(); + sc->fs_hash = cso_hash_create(); + sc->vs_hash = cso_hash_create(); + sc->sanitize_cb = sanitize_cb; + sc->sanitize_data = 0; + + return sc; +} + +void cso_for_each_state(struct cso_cache *sc, enum cso_cache_type type, + cso_state_callback func, void *user_data) +{ + struct cso_hash *hash = 0; + struct cso_hash_iter iter; + + switch (type) { + case CSO_BLEND: + hash = sc->blend_hash; + break; + case CSO_SAMPLER: + hash = sc->sampler_hash; + break; + case CSO_DEPTH_STENCIL_ALPHA: + hash = sc->depth_stencil_hash; + break; + case CSO_RASTERIZER: + hash = sc->rasterizer_hash; + break; + case CSO_FRAGMENT_SHADER: + hash = sc->fs_hash; + break; + case CSO_VERTEX_SHADER: + hash = sc->vs_hash; + break; + } + + iter = cso_hash_first_node(hash); + while (!cso_hash_iter_is_null(iter)) { + void *state = cso_hash_iter_data(iter); + iter = cso_hash_iter_next(iter); + if (state) { + func(state, user_data); + } + } +} + +void cso_cache_delete(struct cso_cache *sc) +{ + assert(sc); + /* delete driver data */ + cso_for_each_state(sc, CSO_BLEND, delete_blend_state, 0); + cso_for_each_state(sc, CSO_DEPTH_STENCIL_ALPHA, delete_depth_stencil_state, 0); + cso_for_each_state(sc, CSO_FRAGMENT_SHADER, delete_fs_state, 0); + cso_for_each_state(sc, CSO_VERTEX_SHADER, delete_vs_state, 0); + cso_for_each_state(sc, CSO_RASTERIZER, delete_rasterizer_state, 0); + cso_for_each_state(sc, CSO_SAMPLER, delete_sampler_state, 0); + + cso_hash_delete(sc->blend_hash); + cso_hash_delete(sc->sampler_hash); + cso_hash_delete(sc->depth_stencil_hash); + cso_hash_delete(sc->rasterizer_hash); + cso_hash_delete(sc->fs_hash); + cso_hash_delete(sc->vs_hash); + FREE(sc); +} + +void cso_set_maximum_cache_size(struct cso_cache *sc, int number) +{ + sc->max_size = number; + + sanitize_hash(sc, sc->blend_hash, CSO_BLEND, sc->max_size); + sanitize_hash(sc, sc->depth_stencil_hash, CSO_DEPTH_STENCIL_ALPHA, + sc->max_size); + sanitize_hash(sc, sc->fs_hash, CSO_FRAGMENT_SHADER, sc->max_size); + sanitize_hash(sc, sc->vs_hash, CSO_VERTEX_SHADER, sc->max_size); + sanitize_hash(sc, sc->rasterizer_hash, CSO_RASTERIZER, sc->max_size); + sanitize_hash(sc, sc->sampler_hash, CSO_SAMPLER, sc->max_size); +} + +int cso_maximum_cache_size(const struct cso_cache *sc) +{ + return sc->max_size; +} + +void cso_cache_set_sanitize_callback(struct cso_cache *sc, + cso_sanitize_callback cb, + void *user_data) +{ + sc->sanitize_cb = cb; + sc->sanitize_data = user_data; +} + diff --git a/src/gallium/auxiliary/cso_cache/cso_cache.h b/src/gallium/auxiliary/cso_cache/cso_cache.h new file mode 100644 index 0000000000..6b5c230e8f --- /dev/null +++ b/src/gallium/auxiliary/cso_cache/cso_cache.h @@ -0,0 +1,176 @@ +/************************************************************************** + * + * Copyright 2007-2008 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. + * + **************************************************************************/ + + /** + * @file + * Constant State Object (CSO) cache. + * + * The basic idea is that the states are created via the + * create_state/bind_state/delete_state semantics. The driver is expected to + * perform as much of the Gallium state translation to whatever its internal + * representation is during the create call. Gallium then has a caching + * mechanism where it stores the created states. When the pipeline needs an + * actual state change, a bind call is issued. In the bind call the driver + * gets its already translated representation. + * + * Those semantics mean that the driver doesn't do the repeated translations + * of states on every frame, but only once, when a new state is actually + * created. + * + * Even on hardware that doesn't do any kind of state cache, it makes the + * driver look a lot neater, plus it avoids all the redundant state + * translations on every frame. + * + * Currently our constant state objects are: + * - alpha test + * - blend + * - depth stencil + * - fragment shader + * - rasterizer (old setup) + * - sampler + * - vertex shader + * + * Things that are not constant state objects include: + * - blend_color + * - clip_state + * - clear_color_state + * - constant_buffer + * - feedback_state + * - framebuffer_state + * - polygon_stipple + * - scissor_state + * - texture_state + * - viewport_state + * + * @author Zack Rusin <zack@tungstengraphics.com> + */ + +#ifndef CSO_CACHE_H +#define CSO_CACHE_H + +#include "pipe/p_context.h" +#include "pipe/p_state.h" + +/* cso_hash.h is necessary for cso_hash_iter, as MSVC requires structures + * returned by value to be fully defined */ +#include "cso_hash.h" + + +#ifdef __cplusplus +extern "C" { +#endif + +enum cso_cache_type { + CSO_BLEND, + CSO_SAMPLER, + CSO_DEPTH_STENCIL_ALPHA, + CSO_RASTERIZER, + CSO_FRAGMENT_SHADER, + CSO_VERTEX_SHADER +}; + +typedef void (*cso_state_callback)(void *ctx, void *obj); + +typedef void (*cso_sanitize_callback)(struct cso_hash *hash, + enum cso_cache_type type, + int max_size, + void *user_data); + +struct cso_cache; + +struct cso_blend { + struct pipe_blend_state state; + void *data; + cso_state_callback delete_state; + struct pipe_context *context; +}; + +struct cso_depth_stencil_alpha { + struct pipe_depth_stencil_alpha_state state; + void *data; + cso_state_callback delete_state; + struct pipe_context *context; +}; + +struct cso_rasterizer { + struct pipe_rasterizer_state state; + void *data; + cso_state_callback delete_state; + struct pipe_context *context; +}; + +struct cso_fragment_shader { + struct pipe_shader_state state; + void *data; + cso_state_callback delete_state; + struct pipe_context *context; +}; + +struct cso_vertex_shader { + struct pipe_shader_state state; + void *data; + cso_state_callback delete_state; + struct pipe_context *context; +}; + +struct cso_sampler { + struct pipe_sampler_state state; + void *data; + cso_state_callback delete_state; + struct pipe_context *context; +}; + +unsigned cso_construct_key(void *item, int item_size); + +struct cso_cache *cso_cache_create(void); +void cso_cache_delete(struct cso_cache *sc); + +void cso_cache_set_sanitize_callback(struct cso_cache *sc, + cso_sanitize_callback cb, + void *user_data); + +struct cso_hash_iter cso_insert_state(struct cso_cache *sc, + unsigned hash_key, enum cso_cache_type type, + void *state); +struct cso_hash_iter cso_find_state(struct cso_cache *sc, + unsigned hash_key, enum cso_cache_type type); +struct cso_hash_iter cso_find_state_template(struct cso_cache *sc, + unsigned hash_key, enum cso_cache_type type, + void *templ); +void cso_for_each_state(struct cso_cache *sc, enum cso_cache_type type, + cso_state_callback func, void *user_data); +void * cso_take_state(struct cso_cache *sc, unsigned hash_key, + enum cso_cache_type type); + +void cso_set_maximum_cache_size(struct cso_cache *sc, int number); +int cso_maximum_cache_size(const struct cso_cache *sc); + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/gallium/auxiliary/cso_cache/cso_context.c b/src/gallium/auxiliary/cso_cache/cso_context.c new file mode 100644 index 0000000000..f22ba40824 --- /dev/null +++ b/src/gallium/auxiliary/cso_cache/cso_context.c @@ -0,0 +1,828 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + + /** + * @file + * + * Wrap the cso cache & hash mechanisms in a simplified + * pipe-driver-specific interface. + * + * @author Zack Rusin <zack@tungstengraphics.com> + * @author Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "pipe/p_state.h" +#include "util/u_memory.h" +#include "pipe/p_inlines.h" +#include "tgsi/tgsi_parse.h" + +#include "cso_cache/cso_context.h" +#include "cso_cache/cso_cache.h" +#include "cso_cache/cso_hash.h" + +struct cso_context { + struct pipe_context *pipe; + struct cso_cache *cache; + + struct { + void *samplers[PIPE_MAX_SAMPLERS]; + unsigned nr_samplers; + } hw; + + void *samplers[PIPE_MAX_SAMPLERS]; + unsigned nr_samplers; + + void *samplers_saved[PIPE_MAX_SAMPLERS]; + unsigned nr_samplers_saved; + + struct pipe_texture *textures[PIPE_MAX_SAMPLERS]; + uint nr_textures; + + struct pipe_texture *textures_saved[PIPE_MAX_SAMPLERS]; + uint nr_textures_saved; + + /** Current and saved state. + * The saved state is used as a 1-deep stack. + */ + void *blend, *blend_saved; + void *depth_stencil, *depth_stencil_saved; + void *rasterizer, *rasterizer_saved; + void *fragment_shader, *fragment_shader_saved; + void *vertex_shader, *vertex_shader_saved; + + struct pipe_framebuffer_state fb, fb_saved; + struct pipe_viewport_state vp, vp_saved; + struct pipe_blend_color blend_color; +}; + + +static boolean delete_blend_state(struct cso_context *ctx, void *state) +{ + struct cso_blend *cso = (struct cso_blend *)state; + + if (ctx->blend == cso->data) + return FALSE; + + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); + return TRUE; +} + +static boolean delete_depth_stencil_state(struct cso_context *ctx, void *state) +{ + struct cso_depth_stencil_alpha *cso = (struct cso_depth_stencil_alpha *)state; + + if (ctx->depth_stencil == cso->data) + return FALSE; + + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); + + return TRUE; +} + +static boolean delete_sampler_state(struct cso_context *ctx, void *state) +{ + struct cso_sampler *cso = (struct cso_sampler *)state; + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); + return TRUE; +} + +static boolean delete_rasterizer_state(struct cso_context *ctx, void *state) +{ + struct cso_rasterizer *cso = (struct cso_rasterizer *)state; + + if (ctx->rasterizer == cso->data) + return FALSE; + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); + return TRUE; +} + +static boolean delete_fs_state(struct cso_context *ctx, void *state) +{ + struct cso_fragment_shader *cso = (struct cso_fragment_shader *)state; + if (ctx->fragment_shader == cso->data) + return FALSE; + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); + return TRUE; +} + +static boolean delete_vs_state(struct cso_context *ctx, void *state) +{ + struct cso_vertex_shader *cso = (struct cso_vertex_shader *)state; + if (ctx->vertex_shader == cso->data) + return TRUE; + if (cso->delete_state) + cso->delete_state(cso->context, cso->data); + FREE(state); + return FALSE; +} + + +static INLINE boolean delete_cso(struct cso_context *ctx, + void *state, enum cso_cache_type type) +{ + switch (type) { + case CSO_BLEND: + return delete_blend_state(ctx, state); + break; + case CSO_SAMPLER: + return delete_sampler_state(ctx, state); + break; + case CSO_DEPTH_STENCIL_ALPHA: + return delete_depth_stencil_state(ctx, state); + break; + case CSO_RASTERIZER: + return delete_rasterizer_state(ctx, state); + break; + case CSO_FRAGMENT_SHADER: + return delete_fs_state(ctx, state); + break; + case CSO_VERTEX_SHADER: + return delete_vs_state(ctx, state); + break; + default: + assert(0); + FREE(state); + } + return FALSE; +} + +static INLINE void sanitize_hash(struct cso_hash *hash, enum cso_cache_type type, + int max_size, void *user_data) +{ + struct cso_context *ctx = (struct cso_context *)user_data; + /* if we're approach the maximum size, remove fourth of the entries + * otherwise every subsequent call will go through the same */ + int hash_size = cso_hash_size(hash); + int max_entries = (max_size > hash_size) ? max_size : hash_size; + int to_remove = (max_size < max_entries) * max_entries/4; + struct cso_hash_iter iter = cso_hash_first_node(hash); + if (hash_size > max_size) + to_remove += hash_size - max_size; + while (to_remove) { + /*remove elements until we're good */ + /*fixme: currently we pick the nodes to remove at random*/ + void *cso = cso_hash_iter_data(iter); + if (delete_cso(ctx, cso, type)) { + iter = cso_hash_erase(hash, iter); + --to_remove; + } else + iter = cso_hash_iter_next(iter); + } +} + + +struct cso_context *cso_create_context( struct pipe_context *pipe ) +{ + struct cso_context *ctx = CALLOC_STRUCT(cso_context); + if (ctx == NULL) + goto out; + + ctx->cache = cso_cache_create(); + if (ctx->cache == NULL) + goto out; + cso_cache_set_sanitize_callback(ctx->cache, + sanitize_hash, + ctx); + + ctx->pipe = pipe; + + /* Enable for testing: */ + if (0) cso_set_maximum_cache_size( ctx->cache, 4 ); + + return ctx; + +out: + cso_destroy_context( ctx ); + return NULL; +} + + +/** + * Prior to context destruction, this function unbinds all state objects. + */ +void cso_release_all( struct cso_context *ctx ) +{ + unsigned i; + + if (ctx->pipe) { + ctx->pipe->bind_blend_state( ctx->pipe, NULL ); + ctx->pipe->bind_rasterizer_state( ctx->pipe, NULL ); + ctx->pipe->bind_sampler_states( ctx->pipe, 0, NULL ); + ctx->pipe->bind_depth_stencil_alpha_state( ctx->pipe, NULL ); + ctx->pipe->bind_fs_state( ctx->pipe, NULL ); + ctx->pipe->bind_vs_state( ctx->pipe, NULL ); + } + + for (i = 0; i < PIPE_MAX_SAMPLERS; i++) { + pipe_texture_reference(&ctx->textures[i], NULL); + pipe_texture_reference(&ctx->textures_saved[i], NULL); + } + + if (ctx->cache) { + cso_cache_delete( ctx->cache ); + ctx->cache = NULL; + } +} + + +void cso_destroy_context( struct cso_context *ctx ) +{ + if (ctx) { + //cso_release_all( ctx ); + FREE( ctx ); + } +} + + +/* Those function will either find the state of the given template + * in the cache or they will create a new state from the given + * template, insert it in the cache and return it. + */ + +/* + * If the driver returns 0 from the create method then they will assign + * the data member of the cso to be the template itself. + */ + +enum pipe_error cso_set_blend(struct cso_context *ctx, + const struct pipe_blend_state *templ) +{ + unsigned hash_key = cso_construct_key((void*)templ, sizeof(struct pipe_blend_state)); + struct cso_hash_iter iter = cso_find_state_template(ctx->cache, + hash_key, CSO_BLEND, + (void*)templ); + void *handle; + + if (cso_hash_iter_is_null(iter)) { + struct cso_blend *cso = MALLOC(sizeof(struct cso_blend)); + if (!cso) + return PIPE_ERROR_OUT_OF_MEMORY; + + memcpy(&cso->state, templ, sizeof(*templ)); + cso->data = ctx->pipe->create_blend_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_blend_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_BLEND, cso); + if (cso_hash_iter_is_null(iter)) { + FREE(cso); + return PIPE_ERROR_OUT_OF_MEMORY; + } + + handle = cso->data; + } + else { + handle = ((struct cso_blend *)cso_hash_iter_data(iter))->data; + } + + if (ctx->blend != handle) { + ctx->blend = handle; + ctx->pipe->bind_blend_state(ctx->pipe, handle); + } + return PIPE_OK; +} + +void cso_save_blend(struct cso_context *ctx) +{ + assert(!ctx->blend_saved); + ctx->blend_saved = ctx->blend; +} + +void cso_restore_blend(struct cso_context *ctx) +{ + if (ctx->blend != ctx->blend_saved) { + ctx->blend = ctx->blend_saved; + ctx->pipe->bind_blend_state(ctx->pipe, ctx->blend_saved); + } + ctx->blend_saved = NULL; +} + + + +enum pipe_error cso_single_sampler(struct cso_context *ctx, + unsigned idx, + const struct pipe_sampler_state *templ) +{ + void *handle = NULL; + + if (templ != NULL) { + unsigned hash_key = cso_construct_key((void*)templ, sizeof(struct pipe_sampler_state)); + struct cso_hash_iter iter = cso_find_state_template(ctx->cache, + hash_key, CSO_SAMPLER, + (void*)templ); + + if (cso_hash_iter_is_null(iter)) { + struct cso_sampler *cso = MALLOC(sizeof(struct cso_sampler)); + if (!cso) + return PIPE_ERROR_OUT_OF_MEMORY; + + memcpy(&cso->state, templ, sizeof(*templ)); + cso->data = ctx->pipe->create_sampler_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_sampler_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_SAMPLER, cso); + if (cso_hash_iter_is_null(iter)) { + FREE(cso); + return PIPE_ERROR_OUT_OF_MEMORY; + } + + handle = cso->data; + } + else { + handle = ((struct cso_sampler *)cso_hash_iter_data(iter))->data; + } + } + + ctx->samplers[idx] = handle; + return PIPE_OK; +} + +void cso_single_sampler_done( struct cso_context *ctx ) +{ + unsigned i; + + /* find highest non-null sampler */ + for (i = PIPE_MAX_SAMPLERS; i > 0; i--) { + if (ctx->samplers[i - 1] != NULL) + break; + } + + ctx->nr_samplers = i; + + if (ctx->hw.nr_samplers != ctx->nr_samplers || + memcmp(ctx->hw.samplers, + ctx->samplers, + ctx->nr_samplers * sizeof(void *)) != 0) + { + memcpy(ctx->hw.samplers, ctx->samplers, ctx->nr_samplers * sizeof(void *)); + ctx->hw.nr_samplers = ctx->nr_samplers; + + ctx->pipe->bind_sampler_states(ctx->pipe, ctx->nr_samplers, ctx->samplers); + } +} + +/* + * If the function encouters any errors it will return the + * last one. Done to always try to set as many samplers + * as possible. + */ +enum pipe_error cso_set_samplers( struct cso_context *ctx, + unsigned nr, + const struct pipe_sampler_state **templates ) +{ + unsigned i; + enum pipe_error temp, error = PIPE_OK; + + /* TODO: fastpath + */ + + for (i = 0; i < nr; i++) { + temp = cso_single_sampler( ctx, i, templates[i] ); + if (temp != PIPE_OK) + error = temp; + } + + for ( ; i < ctx->nr_samplers; i++) { + temp = cso_single_sampler( ctx, i, NULL ); + if (temp != PIPE_OK) + error = temp; + } + + cso_single_sampler_done( ctx ); + + return error; +} + +void cso_save_samplers(struct cso_context *ctx) +{ + ctx->nr_samplers_saved = ctx->nr_samplers; + memcpy(ctx->samplers_saved, ctx->samplers, sizeof(ctx->samplers)); +} + +void cso_restore_samplers(struct cso_context *ctx) +{ + ctx->nr_samplers = ctx->nr_samplers_saved; + memcpy(ctx->samplers, ctx->samplers_saved, sizeof(ctx->samplers)); + cso_single_sampler_done( ctx ); +} + + +enum pipe_error cso_set_sampler_textures( struct cso_context *ctx, + uint count, + struct pipe_texture **textures ) +{ + uint i; + + ctx->nr_textures = count; + + for (i = 0; i < count; i++) + pipe_texture_reference(&ctx->textures[i], textures[i]); + for ( ; i < PIPE_MAX_SAMPLERS; i++) + pipe_texture_reference(&ctx->textures[i], NULL); + + ctx->pipe->set_sampler_textures(ctx->pipe, count, textures); + + return PIPE_OK; +} + +void cso_save_sampler_textures( struct cso_context *ctx ) +{ + uint i; + + ctx->nr_textures_saved = ctx->nr_textures; + for (i = 0; i < ctx->nr_textures; i++) { + assert(!ctx->textures_saved[i]); + pipe_texture_reference(&ctx->textures_saved[i], ctx->textures[i]); + } +} + +void cso_restore_sampler_textures( struct cso_context *ctx ) +{ + uint i; + + ctx->nr_textures = ctx->nr_textures_saved; + + for (i = 0; i < ctx->nr_textures; i++) { + pipe_texture_reference(&ctx->textures[i], NULL); + ctx->textures[i] = ctx->textures_saved[i]; + ctx->textures_saved[i] = NULL; + } + for ( ; i < PIPE_MAX_SAMPLERS; i++) + pipe_texture_reference(&ctx->textures[i], NULL); + + ctx->pipe->set_sampler_textures(ctx->pipe, ctx->nr_textures, ctx->textures); + + ctx->nr_textures_saved = 0; +} + + + +enum pipe_error cso_set_depth_stencil_alpha(struct cso_context *ctx, + const struct pipe_depth_stencil_alpha_state *templ) +{ + unsigned hash_key = cso_construct_key((void*)templ, + sizeof(struct pipe_depth_stencil_alpha_state)); + struct cso_hash_iter iter = cso_find_state_template(ctx->cache, + hash_key, + CSO_DEPTH_STENCIL_ALPHA, + (void*)templ); + void *handle; + + if (cso_hash_iter_is_null(iter)) { + struct cso_depth_stencil_alpha *cso = MALLOC(sizeof(struct cso_depth_stencil_alpha)); + if (!cso) + return PIPE_ERROR_OUT_OF_MEMORY; + + memcpy(&cso->state, templ, sizeof(*templ)); + cso->data = ctx->pipe->create_depth_stencil_alpha_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_depth_stencil_alpha_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_DEPTH_STENCIL_ALPHA, cso); + if (cso_hash_iter_is_null(iter)) { + FREE(cso); + return PIPE_ERROR_OUT_OF_MEMORY; + } + + handle = cso->data; + } + else { + handle = ((struct cso_depth_stencil_alpha *)cso_hash_iter_data(iter))->data; + } + + if (ctx->depth_stencil != handle) { + ctx->depth_stencil = handle; + ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, handle); + } + return PIPE_OK; +} + +void cso_save_depth_stencil_alpha(struct cso_context *ctx) +{ + assert(!ctx->depth_stencil_saved); + ctx->depth_stencil_saved = ctx->depth_stencil; +} + +void cso_restore_depth_stencil_alpha(struct cso_context *ctx) +{ + if (ctx->depth_stencil != ctx->depth_stencil_saved) { + ctx->depth_stencil = ctx->depth_stencil_saved; + ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, ctx->depth_stencil_saved); + } + ctx->depth_stencil_saved = NULL; +} + + + +enum pipe_error cso_set_rasterizer(struct cso_context *ctx, + const struct pipe_rasterizer_state *templ) +{ + unsigned hash_key = cso_construct_key((void*)templ, + sizeof(struct pipe_rasterizer_state)); + struct cso_hash_iter iter = cso_find_state_template(ctx->cache, + hash_key, CSO_RASTERIZER, + (void*)templ); + void *handle = NULL; + + if (cso_hash_iter_is_null(iter)) { + struct cso_rasterizer *cso = MALLOC(sizeof(struct cso_rasterizer)); + if (!cso) + return PIPE_ERROR_OUT_OF_MEMORY; + + memcpy(&cso->state, templ, sizeof(*templ)); + cso->data = ctx->pipe->create_rasterizer_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_rasterizer_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_RASTERIZER, cso); + if (cso_hash_iter_is_null(iter)) { + FREE(cso); + return PIPE_ERROR_OUT_OF_MEMORY; + } + + handle = cso->data; + } + else { + handle = ((struct cso_rasterizer *)cso_hash_iter_data(iter))->data; + } + + if (ctx->rasterizer != handle) { + ctx->rasterizer = handle; + ctx->pipe->bind_rasterizer_state(ctx->pipe, handle); + } + return PIPE_OK; +} + +void cso_save_rasterizer(struct cso_context *ctx) +{ + assert(!ctx->rasterizer_saved); + ctx->rasterizer_saved = ctx->rasterizer; +} + +void cso_restore_rasterizer(struct cso_context *ctx) +{ + if (ctx->rasterizer != ctx->rasterizer_saved) { + ctx->rasterizer = ctx->rasterizer_saved; + ctx->pipe->bind_rasterizer_state(ctx->pipe, ctx->rasterizer_saved); + } + ctx->rasterizer_saved = NULL; +} + + + +enum pipe_error cso_set_fragment_shader_handle(struct cso_context *ctx, + void *handle ) +{ + if (ctx->fragment_shader != handle) { + ctx->fragment_shader = handle; + ctx->pipe->bind_fs_state(ctx->pipe, handle); + } + return PIPE_OK; +} + +void cso_delete_fragment_shader(struct cso_context *ctx, void *handle ) +{ + if (handle == ctx->fragment_shader) { + /* unbind before deleting */ + ctx->pipe->bind_fs_state(ctx->pipe, NULL); + ctx->fragment_shader = NULL; + } + ctx->pipe->delete_fs_state(ctx->pipe, handle); +} + +/* Not really working: + */ +#if 0 +enum pipe_error cso_set_fragment_shader(struct cso_context *ctx, + const struct pipe_shader_state *templ) +{ + const struct tgsi_token *tokens = templ->tokens; + unsigned num_tokens = tgsi_num_tokens(tokens); + size_t tokens_size = num_tokens*sizeof(struct tgsi_token); + unsigned hash_key = cso_construct_key((void*)tokens, tokens_size); + struct cso_hash_iter iter = cso_find_state_template(ctx->cache, + hash_key, + CSO_FRAGMENT_SHADER, + (void*)tokens); + void *handle = NULL; + + if (cso_hash_iter_is_null(iter)) { + struct cso_fragment_shader *cso = MALLOC(sizeof(struct cso_fragment_shader) + tokens_size); + struct tgsi_token *cso_tokens = (struct tgsi_token *)((char *)cso + sizeof(*cso)); + + if (!cso) + return PIPE_ERROR_OUT_OF_MEMORY; + + memcpy(cso_tokens, tokens, tokens_size); + cso->state.tokens = cso_tokens; + cso->data = ctx->pipe->create_fs_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_fs_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_FRAGMENT_SHADER, cso); + if (cso_hash_iter_is_null(iter)) { + FREE(cso); + return PIPE_ERROR_OUT_OF_MEMORY; + } + + handle = cso->data; + } + else { + handle = ((struct cso_fragment_shader *)cso_hash_iter_data(iter))->data; + } + + return cso_set_fragment_shader_handle( ctx, handle ); +} +#endif + +void cso_save_fragment_shader(struct cso_context *ctx) +{ + assert(!ctx->fragment_shader_saved); + ctx->fragment_shader_saved = ctx->fragment_shader; +} + +void cso_restore_fragment_shader(struct cso_context *ctx) +{ + if (ctx->fragment_shader_saved != ctx->fragment_shader) { + ctx->pipe->bind_fs_state(ctx->pipe, ctx->fragment_shader_saved); + ctx->fragment_shader = ctx->fragment_shader_saved; + } + ctx->fragment_shader_saved = NULL; +} + + +enum pipe_error cso_set_vertex_shader_handle(struct cso_context *ctx, + void *handle ) +{ + if (ctx->vertex_shader != handle) { + ctx->vertex_shader = handle; + ctx->pipe->bind_vs_state(ctx->pipe, handle); + } + return PIPE_OK; +} + +void cso_delete_vertex_shader(struct cso_context *ctx, void *handle ) +{ + if (handle == ctx->vertex_shader) { + /* unbind before deleting */ + ctx->pipe->bind_vs_state(ctx->pipe, NULL); + ctx->vertex_shader = NULL; + } + ctx->pipe->delete_vs_state(ctx->pipe, handle); +} + + +/* Not really working: + */ +#if 0 +enum pipe_error cso_set_vertex_shader(struct cso_context *ctx, + const struct pipe_shader_state *templ) +{ + unsigned hash_key = cso_construct_key((void*)templ, + sizeof(struct pipe_shader_state)); + struct cso_hash_iter iter = cso_find_state_template(ctx->cache, + hash_key, CSO_VERTEX_SHADER, + (void*)templ); + void *handle = NULL; + + if (cso_hash_iter_is_null(iter)) { + struct cso_vertex_shader *cso = MALLOC(sizeof(struct cso_vertex_shader)); + + if (!cso) + return PIPE_ERROR_OUT_OF_MEMORY; + + memcpy(cso->state, templ, sizeof(*templ)); + cso->data = ctx->pipe->create_vs_state(ctx->pipe, &cso->state); + cso->delete_state = (cso_state_callback)ctx->pipe->delete_vs_state; + cso->context = ctx->pipe; + + iter = cso_insert_state(ctx->cache, hash_key, CSO_VERTEX_SHADER, cso); + if (cso_hash_iter_is_null(iter)) { + FREE(cso); + return PIPE_ERROR_OUT_OF_MEMORY; + } + + handle = cso->data; + } + else { + handle = ((struct cso_vertex_shader *)cso_hash_iter_data(iter))->data; + } + + return cso_set_vertex_shader_handle( ctx, handle ); +} +#endif + + + +void cso_save_vertex_shader(struct cso_context *ctx) +{ + assert(!ctx->vertex_shader_saved); + ctx->vertex_shader_saved = ctx->vertex_shader; +} + +void cso_restore_vertex_shader(struct cso_context *ctx) +{ + if (ctx->vertex_shader_saved != ctx->vertex_shader) { + ctx->pipe->bind_vs_state(ctx->pipe, ctx->vertex_shader_saved); + ctx->vertex_shader = ctx->vertex_shader_saved; + } + ctx->vertex_shader_saved = NULL; +} + + + +enum pipe_error cso_set_framebuffer(struct cso_context *ctx, + const struct pipe_framebuffer_state *fb) +{ + if (memcmp(&ctx->fb, fb, sizeof(*fb)) != 0) { + ctx->fb = *fb; + ctx->pipe->set_framebuffer_state(ctx->pipe, fb); + } + return PIPE_OK; +} + +void cso_save_framebuffer(struct cso_context *ctx) +{ + ctx->fb_saved = ctx->fb; +} + +void cso_restore_framebuffer(struct cso_context *ctx) +{ + if (memcmp(&ctx->fb, &ctx->fb_saved, sizeof(ctx->fb))) { + ctx->fb = ctx->fb_saved; + ctx->pipe->set_framebuffer_state(ctx->pipe, &ctx->fb); + } +} + + +enum pipe_error cso_set_viewport(struct cso_context *ctx, + const struct pipe_viewport_state *vp) +{ + if (memcmp(&ctx->vp, vp, sizeof(*vp))) { + ctx->vp = *vp; + ctx->pipe->set_viewport_state(ctx->pipe, vp); + } + return PIPE_OK; +} + +void cso_save_viewport(struct cso_context *ctx) +{ + ctx->vp_saved = ctx->vp; +} + + +void cso_restore_viewport(struct cso_context *ctx) +{ + if (memcmp(&ctx->vp, &ctx->vp_saved, sizeof(ctx->vp))) { + ctx->vp = ctx->vp_saved; + ctx->pipe->set_viewport_state(ctx->pipe, &ctx->vp); + } +} + + + + +enum pipe_error cso_set_blend_color(struct cso_context *ctx, + const struct pipe_blend_color *bc) +{ + if (memcmp(&ctx->blend_color, bc, sizeof(ctx->blend_color))) { + ctx->blend_color = *bc; + ctx->pipe->set_blend_color(ctx->pipe, bc); + } + return PIPE_OK; +} diff --git a/src/gallium/auxiliary/cso_cache/cso_context.h b/src/gallium/auxiliary/cso_cache/cso_context.h new file mode 100644 index 0000000000..b04e98bfa1 --- /dev/null +++ b/src/gallium/auxiliary/cso_cache/cso_context.h @@ -0,0 +1,145 @@ +/************************************************************************** + * + * Copyright 2007-2008 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. + * + **************************************************************************/ + + +#ifndef CSO_CONTEXT_H +#define CSO_CONTEXT_H + +#include "pipe/p_context.h" +#include "pipe/p_state.h" +#include "pipe/p_error.h" + + +#ifdef __cplusplus +extern "C" { +#endif + +struct cso_context; + +struct cso_context *cso_create_context( struct pipe_context *pipe ); + +void cso_release_all( struct cso_context *ctx ); + +void cso_destroy_context( struct cso_context *cso ); + + + +enum pipe_error cso_set_blend( struct cso_context *cso, + const struct pipe_blend_state *blend ); +void cso_save_blend(struct cso_context *cso); +void cso_restore_blend(struct cso_context *cso); + + + +enum pipe_error cso_set_depth_stencil_alpha( struct cso_context *cso, + const struct pipe_depth_stencil_alpha_state *dsa ); +void cso_save_depth_stencil_alpha(struct cso_context *cso); +void cso_restore_depth_stencil_alpha(struct cso_context *cso); + + + +enum pipe_error cso_set_rasterizer( struct cso_context *cso, + const struct pipe_rasterizer_state *rasterizer ); +void cso_save_rasterizer(struct cso_context *cso); +void cso_restore_rasterizer(struct cso_context *cso); + + + +enum pipe_error cso_set_samplers( struct cso_context *cso, + unsigned count, + const struct pipe_sampler_state **states ); +void cso_save_samplers(struct cso_context *cso); +void cso_restore_samplers(struct cso_context *cso); + +/* Alternate interface to support state trackers that like to modify + * samplers one at a time: + */ +enum pipe_error cso_single_sampler( struct cso_context *cso, + unsigned nr, + const struct pipe_sampler_state *states ); + +void cso_single_sampler_done( struct cso_context *cso ); + + + +enum pipe_error cso_set_sampler_textures( struct cso_context *cso, + uint count, + struct pipe_texture **textures ); +void cso_save_sampler_textures( struct cso_context *cso ); +void cso_restore_sampler_textures( struct cso_context *cso ); + + + +/* These aren't really sensible -- most of the time the api provides + * object semantics for shaders anyway, and the cases where it doesn't + * (eg mesa's internall-generated texenv programs), it will be up to + * the state tracker to implement their own specialized caching. + */ +enum pipe_error cso_set_fragment_shader_handle(struct cso_context *ctx, + void *handle ); +void cso_delete_fragment_shader(struct cso_context *ctx, void *handle ); +/* +enum pipe_error cso_set_fragment_shader( struct cso_context *cso, + const struct pipe_shader_state *shader ); +*/ +void cso_save_fragment_shader(struct cso_context *cso); +void cso_restore_fragment_shader(struct cso_context *cso); + + +enum pipe_error cso_set_vertex_shader_handle(struct cso_context *ctx, + void *handle ); +void cso_delete_vertex_shader(struct cso_context *ctx, void *handle ); +/* +enum pipe_error cso_set_vertex_shader( struct cso_context *cso, + const struct pipe_shader_state *shader ); +*/ +void cso_save_vertex_shader(struct cso_context *cso); +void cso_restore_vertex_shader(struct cso_context *cso); + + + +enum pipe_error cso_set_framebuffer(struct cso_context *cso, + const struct pipe_framebuffer_state *fb); +void cso_save_framebuffer(struct cso_context *cso); +void cso_restore_framebuffer(struct cso_context *cso); + + +enum pipe_error cso_set_viewport(struct cso_context *cso, + const struct pipe_viewport_state *vp); +void cso_save_viewport(struct cso_context *cso); +void cso_restore_viewport(struct cso_context *cso); + + +enum pipe_error cso_set_blend_color(struct cso_context *cso, + const struct pipe_blend_color *bc); + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/src/gallium/auxiliary/cso_cache/cso_hash.c b/src/gallium/auxiliary/cso_cache/cso_hash.c new file mode 100644 index 0000000000..7f0044c5a7 --- /dev/null +++ b/src/gallium/auxiliary/cso_cache/cso_hash.c @@ -0,0 +1,433 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + + /* + * Authors: + * Zack Rusin <zack@tungstengraphics.com> + */ + +#include "pipe/p_debug.h" +#include "util/u_memory.h" + +#include "cso_hash.h" + +#define MAX(a, b) ((a > b) ? (a) : (b)) + +static const int MinNumBits = 4; + +static const unsigned char prime_deltas[] = { + 0, 0, 1, 3, 1, 5, 3, 3, 1, 9, 7, 5, 3, 9, 25, 3, + 1, 21, 3, 21, 7, 15, 9, 5, 3, 29, 15, 0, 0, 0, 0, 0 +}; + +static int primeForNumBits(int numBits) +{ + return (1 << numBits) + prime_deltas[numBits]; +} + +/* + Returns the smallest integer n such that + primeForNumBits(n) >= hint. +*/ +static int countBits(int hint) +{ + int numBits = 0; + int bits = hint; + + while (bits > 1) { + bits >>= 1; + numBits++; + } + + if (numBits >= (int)sizeof(prime_deltas)) { + numBits = sizeof(prime_deltas) - 1; + } else if (primeForNumBits(numBits) < hint) { + ++numBits; + } + return numBits; +} + +struct cso_node { + struct cso_node *next; + unsigned key; + void *value; +}; + +struct cso_hash_data { + struct cso_node *fakeNext; + struct cso_node **buckets; + int size; + int nodeSize; + short userNumBits; + short numBits; + int numBuckets; +}; + +struct cso_hash { + union { + struct cso_hash_data *d; + struct cso_node *e; + } data; +}; + +static void *cso_data_allocate_node(struct cso_hash_data *hash) +{ + return MALLOC(hash->nodeSize); +} + +static void cso_free_node(struct cso_node *node) +{ + FREE(node); +} + +static struct cso_node * +cso_hash_create_node(struct cso_hash *hash, + unsigned akey, void *avalue, + struct cso_node **anextNode) +{ + struct cso_node *node = cso_data_allocate_node(hash->data.d); + + if (!node) + return NULL; + + node->key = akey; + node->value = avalue; + + node->next = (struct cso_node*)(*anextNode); + *anextNode = node; + ++hash->data.d->size; + return node; +} + +static void cso_data_rehash(struct cso_hash_data *hash, int hint) +{ + if (hint < 0) { + hint = countBits(-hint); + if (hint < MinNumBits) + hint = MinNumBits; + hash->userNumBits = (short)hint; + while (primeForNumBits(hint) < (hash->size >> 1)) + ++hint; + } else if (hint < MinNumBits) { + hint = MinNumBits; + } + + if (hash->numBits != hint) { + struct cso_node *e = (struct cso_node *)(hash); + struct cso_node **oldBuckets = hash->buckets; + int oldNumBuckets = hash->numBuckets; + int i = 0; + + hash->numBits = (short)hint; + hash->numBuckets = primeForNumBits(hint); + hash->buckets = MALLOC(sizeof(struct cso_node*) * hash->numBuckets); + for (i = 0; i < hash->numBuckets; ++i) + hash->buckets[i] = e; + + for (i = 0; i < oldNumBuckets; ++i) { + struct cso_node *firstNode = oldBuckets[i]; + while (firstNode != e) { + unsigned h = firstNode->key; + struct cso_node *lastNode = firstNode; + struct cso_node *afterLastNode; + struct cso_node **beforeFirstNode; + + while (lastNode->next != e && lastNode->next->key == h) + lastNode = lastNode->next; + + afterLastNode = lastNode->next; + beforeFirstNode = &hash->buckets[h % hash->numBuckets]; + while (*beforeFirstNode != e) + beforeFirstNode = &(*beforeFirstNode)->next; + lastNode->next = *beforeFirstNode; + *beforeFirstNode = firstNode; + firstNode = afterLastNode; + } + } + FREE(oldBuckets); + } +} + +static void cso_data_might_grow(struct cso_hash_data *hash) +{ + if (hash->size >= hash->numBuckets) + cso_data_rehash(hash, hash->numBits + 1); +} + +static void cso_data_has_shrunk(struct cso_hash_data *hash) +{ + if (hash->size <= (hash->numBuckets >> 3) && + hash->numBits > hash->userNumBits) { + int max = MAX(hash->numBits-2, hash->userNumBits); + cso_data_rehash(hash, max); + } +} + +static struct cso_node *cso_data_first_node(struct cso_hash_data *hash) +{ + struct cso_node *e = (struct cso_node *)(hash); + struct cso_node **bucket = hash->buckets; + int n = hash->numBuckets; + while (n--) { + if (*bucket != e) + return *bucket; + ++bucket; + } + return e; +} + +static struct cso_node **cso_hash_find_node(struct cso_hash *hash, unsigned akey) +{ + struct cso_node **node; + + if (hash->data.d->numBuckets) { + node = (struct cso_node **)(&hash->data.d->buckets[akey % hash->data.d->numBuckets]); + assert(*node == hash->data.e || (*node)->next); + while (*node != hash->data.e && (*node)->key != akey) + node = &(*node)->next; + } else { + node = (struct cso_node **)((const struct cso_node * const *)(&hash->data.e)); + } + return node; +} + +struct cso_hash_iter cso_hash_insert(struct cso_hash *hash, + unsigned key, void *data) +{ + cso_data_might_grow(hash->data.d); + + { + struct cso_node **nextNode = cso_hash_find_node(hash, key); + struct cso_node *node = cso_hash_create_node(hash, key, data, nextNode); + if (!node) { + struct cso_hash_iter null_iter = {hash, 0}; + return null_iter; + } + + { + struct cso_hash_iter iter = {hash, node}; + return iter; + } + } +} + +struct cso_hash * cso_hash_create(void) +{ + struct cso_hash *hash = MALLOC_STRUCT(cso_hash); + if (!hash) + return NULL; + + hash->data.d = MALLOC_STRUCT(cso_hash_data); + if (!hash->data.d) { + FREE(hash); + return NULL; + } + + hash->data.d->fakeNext = 0; + hash->data.d->buckets = 0; + hash->data.d->size = 0; + hash->data.d->nodeSize = sizeof(struct cso_node); + hash->data.d->userNumBits = (short)MinNumBits; + hash->data.d->numBits = 0; + hash->data.d->numBuckets = 0; + + return hash; +} + +void cso_hash_delete(struct cso_hash *hash) +{ + struct cso_node *e_for_x = (struct cso_node *)(hash->data.d); + struct cso_node **bucket = (struct cso_node **)(hash->data.d->buckets); + int n = hash->data.d->numBuckets; + while (n--) { + struct cso_node *cur = *bucket++; + while (cur != e_for_x) { + struct cso_node *next = cur->next; + cso_free_node(cur); + cur = next; + } + } + FREE(hash->data.d->buckets); + FREE(hash->data.d); + FREE(hash); +} + +struct cso_hash_iter cso_hash_find(struct cso_hash *hash, + unsigned key) +{ + struct cso_node **nextNode = cso_hash_find_node(hash, key); + struct cso_hash_iter iter = {hash, *nextNode}; + return iter; +} + +unsigned cso_hash_iter_key(struct cso_hash_iter iter) +{ + if (!iter.node || iter.hash->data.e == iter.node) + return 0; + return iter.node->key; +} + +void * cso_hash_iter_data(struct cso_hash_iter iter) +{ + if (!iter.node || iter.hash->data.e == iter.node) + return 0; + return iter.node->value; +} + +static struct cso_node *cso_hash_data_next(struct cso_node *node) +{ + union { + struct cso_node *next; + struct cso_node *e; + struct cso_hash_data *d; + } a; + int start; + struct cso_node **bucket; + int n; + + a.next = node->next; + if (!a.next) { + debug_printf("iterating beyond the last element\n"); + return 0; + } + if (a.next->next) + return a.next; + + start = (node->key % a.d->numBuckets) + 1; + bucket = a.d->buckets + start; + n = a.d->numBuckets - start; + while (n--) { + if (*bucket != a.e) + return *bucket; + ++bucket; + } + return a.e; +} + + +static struct cso_node *cso_hash_data_prev(struct cso_node *node) +{ + union { + struct cso_node *e; + struct cso_hash_data *d; + } a; + int start; + struct cso_node *sentinel; + struct cso_node **bucket; + + a.e = node; + while (a.e->next) + a.e = a.e->next; + + if (node == a.e) + start = a.d->numBuckets - 1; + else + start = node->key % a.d->numBuckets; + + sentinel = node; + bucket = a.d->buckets + start; + while (start >= 0) { + if (*bucket != sentinel) { + struct cso_node *prev = *bucket; + while (prev->next != sentinel) + prev = prev->next; + return prev; + } + + sentinel = a.e; + --bucket; + --start; + } + debug_printf("iterating backward beyond first element\n"); + return a.e; +} + +struct cso_hash_iter cso_hash_iter_next(struct cso_hash_iter iter) +{ + struct cso_hash_iter next = {iter.hash, cso_hash_data_next(iter.node)}; + return next; +} + +int cso_hash_iter_is_null(struct cso_hash_iter iter) +{ + if (!iter.node || iter.node == iter.hash->data.e) + return 1; + return 0; +} + +void * cso_hash_take(struct cso_hash *hash, + unsigned akey) +{ + struct cso_node **node = cso_hash_find_node(hash, akey); + if (*node != hash->data.e) { + void *t = (*node)->value; + struct cso_node *next = (*node)->next; + cso_free_node(*node); + *node = next; + --hash->data.d->size; + cso_data_has_shrunk(hash->data.d); + return t; + } + return 0; +} + +struct cso_hash_iter cso_hash_iter_prev(struct cso_hash_iter iter) +{ + struct cso_hash_iter prev = {iter.hash, + cso_hash_data_prev(iter.node)}; + return prev; +} + +struct cso_hash_iter cso_hash_first_node(struct cso_hash *hash) +{ + struct cso_hash_iter iter = {hash, cso_data_first_node(hash->data.d)}; + return iter; +} + +int cso_hash_size(struct cso_hash *hash) +{ + return hash->data.d->size; +} + +struct cso_hash_iter cso_hash_erase(struct cso_hash *hash, struct cso_hash_iter iter) +{ + struct cso_hash_iter ret = iter; + struct cso_node *node = iter.node; + struct cso_node **node_ptr; + + if (node == hash->data.e) + return iter; + + ret = cso_hash_iter_next(ret); + node_ptr = (struct cso_node**)(&hash->data.d->buckets[node->key % hash->data.d->numBuckets]); + while (*node_ptr != node) + node_ptr = &(*node_ptr)->next; + *node_ptr = node->next; + cso_free_node(node); + --hash->data.d->size; + return ret; +} diff --git a/src/gallium/auxiliary/cso_cache/cso_hash.h b/src/gallium/auxiliary/cso_cache/cso_hash.h new file mode 100644 index 0000000000..85f3e276c6 --- /dev/null +++ b/src/gallium/auxiliary/cso_cache/cso_hash.h @@ -0,0 +1,123 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/** + * @file + * Hash table implementation. + * + * This file provides a hash implementation that is capable of dealing + * with collisions. It stores colliding entries in linked list. All + * functions operating on the hash return an iterator. The iterator + * itself points to the collision list. If there wasn't any collision + * the list will have just one entry, otherwise client code should + * iterate over the entries to find the exact entry among ones that + * had the same key (e.g. memcmp could be used on the data to check + * that) + * + * @author Zack Rusin <zack@tungstengraphics.com> + */ + +#ifndef CSO_HASH_H +#define CSO_HASH_H + + +#ifdef __cplusplus +extern "C" { +#endif + + +struct cso_hash; +struct cso_node; + + +struct cso_hash_iter { + struct cso_hash *hash; + struct cso_node *node; +}; + + +struct cso_hash *cso_hash_create(void); +void cso_hash_delete(struct cso_hash *hash); + + +int cso_hash_size(struct cso_hash *hash); + + +/** + * Adds a data with the given key to the hash. If entry with the given + * key is already in the hash, this current entry is instered before it + * in the collision list. + * Function returns iterator pointing to the inserted item in the hash. + */ +struct cso_hash_iter cso_hash_insert(struct cso_hash *hash, unsigned key, + void *data); +/** + * Removes the item pointed to by the current iterator from the hash. + * Note that the data itself is not erased and if it was a malloc'ed pointer + * it will have to be freed after calling this function by the callee. + * Function returns iterator pointing to the item after the removed one in + * the hash. + */ +struct cso_hash_iter cso_hash_erase(struct cso_hash *hash, struct cso_hash_iter iter); + +void *cso_hash_take(struct cso_hash *hash, unsigned key); + + + +struct cso_hash_iter cso_hash_first_node(struct cso_hash *hash); + +/** + * Return an iterator pointing to the first entry in the collision list. + */ +struct cso_hash_iter cso_hash_find(struct cso_hash *hash, unsigned key); + + +int cso_hash_iter_is_null(struct cso_hash_iter iter); +unsigned cso_hash_iter_key(struct cso_hash_iter iter); +void *cso_hash_iter_data(struct cso_hash_iter iter); + + +struct cso_hash_iter cso_hash_iter_next(struct cso_hash_iter iter); +struct cso_hash_iter cso_hash_iter_prev(struct cso_hash_iter iter); + + +/** + * Convenience routine to iterate over the collision list while doing a memory + * comparison to see which entry in the list is a direct copy of our template + * and returns that entry. + */ +void *cso_hash_find_data_from_template( struct cso_hash *hash, + unsigned hash_key, + void *templ, + int size ); + + +#ifdef __cplusplus +} +#endif + +#endif |