diff options
Diffstat (limited to 'src/gallium/auxiliary/util')
| -rw-r--r-- | src/gallium/auxiliary/util/Makefile | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/SConscript | 5 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/p_debug.c | 14 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/p_debug_mem.c | 31 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_blit.c | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_gen_mipmap.c | 1 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_keymap.c | 309 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_keymap.h | 68 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_math.c | 21 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_math.h | 113 | ||||
| -rw-r--r-- | src/gallium/auxiliary/util/u_sse.h | 77 |
11 files changed, 567 insertions, 74 deletions
diff --git a/src/gallium/auxiliary/util/Makefile b/src/gallium/auxiliary/util/Makefile index d3951e4e7d..b3d1045a8f 100644 --- a/src/gallium/auxiliary/util/Makefile +++ b/src/gallium/auxiliary/util/Makefile @@ -10,6 +10,7 @@ C_SOURCES = \ u_gen_mipmap.c \ u_handle_table.c \ u_hash_table.c \ + u_keymap.c \ u_math.c \ u_mm.c \ u_rect.c \ diff --git a/src/gallium/auxiliary/util/SConscript b/src/gallium/auxiliary/util/SConscript index e65c17b1cc..8a04955a16 100644 --- a/src/gallium/auxiliary/util/SConscript +++ b/src/gallium/auxiliary/util/SConscript @@ -11,13 +11,14 @@ util = env.ConvenienceLibrary( 'u_gen_mipmap.c', 'u_handle_table.c', 'u_hash_table.c', + 'u_keymap.c', 'u_math.c', 'u_mm.c', 'u_rect.c', 'u_simple_shaders.c', 'u_snprintf.c', - 'u_stream_stdc.c', - 'u_stream_wd.c', + 'u_stream_stdc.c', + 'u_stream_wd.c', 'u_tile.c', 'u_time.c', ]) diff --git a/src/gallium/auxiliary/util/p_debug.c b/src/gallium/auxiliary/util/p_debug.c index b6cff281e6..3ed8bdfdf3 100644 --- a/src/gallium/auxiliary/util/p_debug.c +++ b/src/gallium/auxiliary/util/p_debug.c @@ -306,6 +306,13 @@ debug_get_flags_option(const char *name, str = _debug_get_option(name); if(!str) result = dfault; + else if (!util_strcmp(str, "help")) { + result = dfault; + while (flags->name) { + debug_printf("%s: help for %s: %s [0x%lx]\n", __FUNCTION__, name, flags->name, flags->value); + flags++; + } + } else { result = 0; while( flags->name ) { @@ -315,7 +322,12 @@ debug_get_flags_option(const char *name, } } - debug_printf("%s: %s = 0x%lx\n", __FUNCTION__, name, result); + if (str) { + debug_printf("%s: %s = 0x%lx (%s)\n", __FUNCTION__, name, result, str); + } + else { + debug_printf("%s: %s = 0x%lx\n", __FUNCTION__, name, result); + } return result; } diff --git a/src/gallium/auxiliary/util/p_debug_mem.c b/src/gallium/auxiliary/util/p_debug_mem.c index ed18c6540e..9511479cbb 100644 --- a/src/gallium/auxiliary/util/p_debug_mem.c +++ b/src/gallium/auxiliary/util/p_debug_mem.c @@ -122,8 +122,12 @@ debug_malloc(const char *file, unsigned line, const char *function, struct debug_memory_footer *ftr; hdr = real_malloc(sizeof(*hdr) + size + sizeof(*ftr)); - if(!hdr) + if(!hdr) { + debug_printf("%s:%u:%s: out of memory when trying to allocate %lu bytes\n", + file, line, function, + (long unsigned)size); return NULL; + } hdr->no = last_no++; hdr->file = file; @@ -219,8 +223,12 @@ debug_realloc(const char *file, unsigned line, const char *function, /* alloc new */ new_hdr = real_malloc(sizeof(*new_hdr) + new_size + sizeof(*new_ftr)); - if(!new_hdr) + if(!new_hdr) { + debug_printf("%s:%u:%s: out of memory when trying to allocate %lu bytes\n", + file, line, function, + (long unsigned)new_size); return NULL; + } new_hdr->no = old_hdr->no; new_hdr->file = old_hdr->file; new_hdr->line = old_hdr->line; @@ -261,8 +269,19 @@ debug_memory_end(unsigned long start_no) for (; entry != &list; entry = entry->prev) { struct debug_memory_header *hdr; void *ptr; + struct debug_memory_footer *ftr; + hdr = LIST_ENTRY(struct debug_memory_header, entry, head); ptr = data_from_header(hdr); + ftr = footer_from_header(hdr); + + if(hdr->magic != DEBUG_MEMORY_MAGIC) { + debug_printf("%s:%u:%s: bad or corrupted memory %p\n", + hdr->file, hdr->line, hdr->function, + ptr); + debug_assert(0); + } + if((start_no <= hdr->no && hdr->no < last_no) || (last_no < start_no && (hdr->no < last_no || start_no <= hdr->no))) { debug_printf("%s:%u:%s: %u bytes at %p not freed\n", @@ -270,7 +289,15 @@ debug_memory_end(unsigned long start_no) hdr->size, ptr); total_size += hdr->size; } + + if(ftr->magic != DEBUG_MEMORY_MAGIC) { + debug_printf("%s:%u:%s: buffer overflow %p\n", + hdr->file, hdr->line, hdr->function, + ptr); + debug_assert(0); + } } + if(total_size) { debug_printf("Total of %u KB of system memory apparently leaked\n", (total_size + 1023)/1024); diff --git a/src/gallium/auxiliary/util/u_blit.c b/src/gallium/auxiliary/util/u_blit.c index 9adf72944e..d28201ac8d 100644 --- a/src/gallium/auxiliary/util/u_blit.c +++ b/src/gallium/auxiliary/util/u_blit.c @@ -104,6 +104,7 @@ util_create_blit(struct pipe_context *pipe, struct cso_context *cso) ctx->rasterizer.cull_mode = PIPE_WINDING_NONE; ctx->rasterizer.bypass_clipping = 1; /*ctx->rasterizer.bypass_vs = 1;*/ + ctx->rasterizer.gl_rasterization_rules = 1; /* samplers */ memset(&ctx->sampler, 0, sizeof(ctx->sampler)); diff --git a/src/gallium/auxiliary/util/u_gen_mipmap.c b/src/gallium/auxiliary/util/u_gen_mipmap.c index b19a649bbc..9d305ad763 100644 --- a/src/gallium/auxiliary/util/u_gen_mipmap.c +++ b/src/gallium/auxiliary/util/u_gen_mipmap.c @@ -725,6 +725,7 @@ util_create_gen_mipmap(struct pipe_context *pipe, ctx->rasterizer.cull_mode = PIPE_WINDING_NONE; ctx->rasterizer.bypass_clipping = 1; /*ctx->rasterizer.bypass_vs = 1;*/ + ctx->rasterizer.gl_rasterization_rules = 1; /* sampler state */ memset(&ctx->sampler, 0, sizeof(ctx->sampler)); diff --git a/src/gallium/auxiliary/util/u_keymap.c b/src/gallium/auxiliary/util/u_keymap.c new file mode 100644 index 0000000000..01b17ddb1b --- /dev/null +++ b/src/gallium/auxiliary/util/u_keymap.c @@ -0,0 +1,309 @@ +/************************************************************************** + * + * Copyright 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. + * + **************************************************************************/ + +/** + * Key lookup/associative container. + * + * Like Jose's u_hash_table, based on CSO cache code for now. + * + * Author: Brian Paul + */ + + +#include "pipe/p_compiler.h" +#include "pipe/p_debug.h" +#include "pipe/p_error.h" + +#include "cso_cache/cso_hash.h" + +#include "util/u_memory.h" +#include "util/u_keymap.h" + + +struct keymap +{ + struct cso_hash *cso; + unsigned key_size; + unsigned max_entries; /* XXX not obeyed net */ + unsigned num_entries; + keymap_delete_func delete_func; +}; + + +struct keymap_item +{ + void *key, *value; +}; + + +/** + * This the default key-delete function used when the client doesn't + * provide one. + */ +static void +default_delete_func(const struct keymap *map, + const void *key, void *data, void *user) +{ + FREE((void*) data); +} + + +static INLINE struct keymap_item * +hash_table_item(struct cso_hash_iter iter) +{ + return (struct keymap_item *) cso_hash_iter_data(iter); +} + + +/** + * Return 4-byte hash key for a block of bytes. + */ +static unsigned +hash(const void *key, unsigned keySize) +{ + unsigned i, hash; + + keySize /= 4; /* convert from bytes to uints */ + + hash = 0; + for (i = 0; i < keySize; i++) { + hash ^= (i + 1) * ((const unsigned *) key)[i]; + } + + /*hash = hash ^ (hash >> 11) ^ (hash >> 22);*/ + + return hash; +} + + +/** + * Create a new map. + * \param keySize size of the keys in bytes + * \param maxEntries max number of entries to allow (~0 = infinity) + * \param deleteFunc optional callback to call when entries + * are deleted/replaced + */ +struct keymap * +util_new_keymap(unsigned keySize, unsigned maxEntries, + keymap_delete_func deleteFunc) +{ + struct keymap *map = MALLOC_STRUCT(keymap); + if (!map) + return NULL; + + map->cso = cso_hash_create(); + if (!map->cso) { + FREE(map); + return NULL; + } + + map->max_entries = maxEntries; + map->num_entries = 0; + map->key_size = keySize; + map->delete_func = deleteFunc ? deleteFunc : default_delete_func; + + return map; +} + + +/** + * Delete/free a keymap and all entries. The deleteFunc that was given at + * create time will be called for each entry. + * \param user user-provided pointer passed through to the delete callback + */ +void +util_delete_keymap(struct keymap *map, void *user) +{ + util_keymap_remove_all(map, user); + cso_hash_delete(map->cso); + FREE(map); +} + + +static INLINE struct cso_hash_iter +hash_table_find_iter(const struct keymap *map, const void *key, + unsigned key_hash) +{ + struct cso_hash_iter iter; + struct keymap_item *item; + + iter = cso_hash_find(map->cso, key_hash); + while (!cso_hash_iter_is_null(iter)) { + item = (struct keymap_item *) cso_hash_iter_data(iter); + if (!memcmp(item->key, key, map->key_size)) + break; + iter = cso_hash_iter_next(iter); + } + + return iter; +} + + +static INLINE struct keymap_item * +hash_table_find_item(const struct keymap *map, const void *key, + unsigned key_hash) +{ + struct cso_hash_iter iter = hash_table_find_iter(map, key, key_hash); + if (cso_hash_iter_is_null(iter)) { + return NULL; + } + else { + return hash_table_item(iter); + } +} + + +/** + * Insert a new key + data pointer into the table. + * Note: we create a copy of the key, but not the data! + * If the key is already present in the table, replace the existing + * entry (calling the delete callback on the previous entry). + * If the maximum capacity of the map is reached an old entry + * will be deleted (the delete callback will be called). + */ +boolean +util_keymap_insert(struct keymap *map, const void *key, + const void *data, void *user) +{ + unsigned key_hash; + struct keymap_item *item; + struct cso_hash_iter iter; + + assert(map); + + key_hash = hash(key, map->key_size); + + item = hash_table_find_item(map, key, key_hash); + if (item) { + /* call delete callback for old entry/item */ + map->delete_func(map, item->key, item->value, user); + item->value = (void *) data; + return TRUE; + } + + item = MALLOC_STRUCT(keymap_item); + if (!item) + return FALSE; + + item->key = mem_dup(key, map->key_size); + item->value = (void *) data; + + iter = cso_hash_insert(map->cso, key_hash, item); + if (cso_hash_iter_is_null(iter)) { + FREE(item); + return FALSE; + } + + map->num_entries++; + + return TRUE; +} + + +/** + * Look up a key in the map and return the associated data pointer. + */ +const void * +util_keymap_lookup(const struct keymap *map, const void *key) +{ + unsigned key_hash; + struct keymap_item *item; + + assert(map); + + key_hash = hash(key, map->key_size); + + item = hash_table_find_item(map, key, key_hash); + if (!item) + return NULL; + + return item->value; +} + + +/** + * Remove an entry from the map. + * The delete callback will be called if the given key/entry is found. + * \param user passed to the delete callback as the last param. + */ +void +util_keymap_remove(struct keymap *map, const void *key, void *user) +{ + unsigned key_hash; + struct cso_hash_iter iter; + struct keymap_item *item; + + assert(map); + + key_hash = hash(key, map->key_size); + + iter = hash_table_find_iter(map, key, key_hash); + if (cso_hash_iter_is_null(iter)) + return; + + item = hash_table_item(iter); + assert(item); + map->delete_func(map, item->key, item->value, user); + FREE(item->key); + FREE(item); + + map->num_entries--; + + cso_hash_erase(map->cso, iter); +} + + +/** + * Remove all entries from the map, calling the delete callback for each. + * \param user passed to the delete callback as the last param. + */ +void +util_keymap_remove_all(struct keymap *map, void *user) +{ + struct cso_hash_iter iter; + struct keymap_item *item; + + assert(map); + + iter = cso_hash_first_node(map->cso); + while (!cso_hash_iter_is_null(iter)) { + item = (struct keymap_item *) + cso_hash_take(map->cso, cso_hash_iter_key(iter)); + map->delete_func(map, item->key, item->value, user); + FREE(item->key); + FREE(item); + iter = cso_hash_first_node(map->cso); + } +} + + +extern void +util_keymap_info(const struct keymap *map) +{ + debug_printf("Keymap %p: %u of max %u entries\n", + (void *) map, map->num_entries, map->max_entries); +} diff --git a/src/gallium/auxiliary/util/u_keymap.h b/src/gallium/auxiliary/util/u_keymap.h new file mode 100644 index 0000000000..8d60a76fc3 --- /dev/null +++ b/src/gallium/auxiliary/util/u_keymap.h @@ -0,0 +1,68 @@ +/************************************************************************** + * + * Copyright 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 U_KEYMAP_H +#define U_KEYMAP_H + +#include "pipe/p_compiler.h" + + +/** opaque keymap type */ +struct keymap; + + +/** Delete/callback function type */ +typedef void (*keymap_delete_func)(const struct keymap *map, + const void *key, void *data, + void *user); + + +extern struct keymap * +util_new_keymap(unsigned keySize, unsigned maxEntries, + keymap_delete_func deleteFunc); + +extern void +util_delete_keymap(struct keymap *map, void *user); + +extern boolean +util_keymap_insert(struct keymap *map, const void *key, + const void *data, void *user); + +extern const void * +util_keymap_lookup(const struct keymap *map, const void *key); + +extern void +util_keymap_remove(struct keymap *map, const void *key, void *user); + +extern void +util_keymap_remove_all(struct keymap *map, void *user); + +extern void +util_keymap_info(const struct keymap *map); + + +#endif /* U_KEYMAP_H */ diff --git a/src/gallium/auxiliary/util/u_math.c b/src/gallium/auxiliary/util/u_math.c index 0729114d6a..5b3cab4642 100644 --- a/src/gallium/auxiliary/util/u_math.c +++ b/src/gallium/auxiliary/util/u_math.c @@ -30,7 +30,7 @@ #include "util/u_math.h" - +/** 2^x, for x in [-1.0, 1.0[ */ float pow2_table[POW2_TABLE_SIZE]; @@ -38,9 +38,21 @@ static void init_pow2_table(void) { int i; - for (i = 0; i < POW2_TABLE_SIZE; i++) { - pow2_table[i] = (float) pow(2.0, i / POW2_TABLE_SCALE); - } + for (i = 0; i < POW2_TABLE_SIZE; i++) + pow2_table[i] = (float) pow(2.0, (i - POW2_TABLE_OFFSET) / POW2_TABLE_SCALE); +} + + +/** log2(x), for x in [1.0, 2.0[ */ +float log2_table[LOG2_TABLE_SIZE]; + + +static void +init_log2_table(void) +{ + unsigned i; + for (i = 0; i < LOG2_TABLE_SIZE; i++) + log2_table[i] = (float) log2(1.0 + i * (1.0 / LOG2_TABLE_SIZE)); } @@ -53,6 +65,7 @@ util_init_math(void) static boolean initialized = FALSE; if (!initialized) { init_pow2_table(); + init_log2_table(); initialized = TRUE; } } diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index 0b10622ee7..be7303e550 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -40,6 +40,7 @@ #include "pipe/p_compiler.h" +#include "pipe/p_debug.h" #ifdef __cplusplus @@ -173,8 +174,10 @@ static INLINE float logf( float f ) -#define POW2_TABLE_SIZE 256 -#define POW2_TABLE_SCALE ((float) (POW2_TABLE_SIZE-1)) +#define POW2_TABLE_SIZE_LOG2 9 +#define POW2_TABLE_SIZE (1 << POW2_TABLE_SIZE_LOG2) +#define POW2_TABLE_OFFSET (POW2_TABLE_SIZE/2) +#define POW2_TABLE_SCALE ((float)(POW2_TABLE_SIZE/2)) extern float pow2_table[POW2_TABLE_SIZE]; @@ -185,98 +188,78 @@ util_init_math(void); union fi { float f; - int i; - unsigned ui; + int32_t i; + uint32_t ui; }; /** - * Fast approximation to exp(x). - * Compute with base 2 exponents: exp(x) = exp2(log2(e) * x) - * Note: log2(e) is a constant, k = 1.44269 - * So, exp(x) = exp2(k * x); + * Fast version of 2^x * Identity: exp2(a + b) = exp2(a) * exp2(b) - * Let ipart = int(k*x) - * Let fpart = k*x - ipart; - * So, exp2(k*x) = exp2(ipart) * exp2(fpart) + * Let ipart = int(x) + * Let fpart = x - ipart; + * So, exp2(x) = exp2(ipart) * exp2(fpart) * Compute exp2(ipart) with i << ipart * Compute exp2(fpart) with lookup table. */ static INLINE float -util_fast_exp(float x) +util_fast_exp2(float x) { - if (x >= 0.0f) { - float k = 1.44269f; /* = log2(e) */ - float kx = k * x; - int ipart = (int) kx; - float fpart = kx - (float) ipart; - float y = (float) (1 << ipart) - * pow2_table[(int) (fpart * POW2_TABLE_SCALE)]; - return y; - } - else { - /* exp(-x) = 1.0 / exp(x) */ - float k = -1.44269f; - float kx = k * x; - int ipart = (int) kx; - float fpart = kx - (float) ipart; - float y = (float) (1 << ipart) - * pow2_table[(int) (fpart * POW2_TABLE_SCALE)]; - return 1.0f / y; - } + int32_t ipart; + float fpart, mpart; + union fi epart; + + if(x > 129.00000f) + return 3.402823466e+38f; + + if(x < -126.99999f) + return 0.0f; + + ipart = (int32_t) x; + fpart = x - (float) ipart; + + /* same as + * epart.f = (float) (1 << ipart) + * but faster and without integer overflow for ipart > 31 */ + epart.i = (ipart + 127 ) << 23; + + mpart = pow2_table[POW2_TABLE_OFFSET + (int)(fpart * POW2_TABLE_SCALE)]; + + return epart.f * mpart; } /** - * Fast version of 2^x - * XXX the above function could be implemented in terms of this one. + * Fast approximation to exp(x). */ static INLINE float -util_fast_exp2(float x) +util_fast_exp(float x) { - if (x >= 0.0f) { - int ipart = (int) x; - float fpart = x - (float) ipart; - float y = (float) (1 << ipart) - * pow2_table[(int) (fpart * POW2_TABLE_SCALE)]; - return y; - } - else { - /* exp(-x) = 1.0 / exp(x) */ - int ipart = (int) -x; - float fpart = -x - (float) ipart; - float y = (float) (1 << ipart) - * pow2_table[(int) (fpart * POW2_TABLE_SCALE)]; - return 1.0f / y; - } + const float k = 1.44269f; /* = log2(e) */ + return util_fast_exp2(k * x); } -/** - * Based on code from http://www.flipcode.com/totd/ - */ +#define LOG2_TABLE_SIZE_LOG2 8 +#define LOG2_TABLE_SIZE (1 << LOG2_TABLE_SIZE_LOG2) +extern float log2_table[LOG2_TABLE_SIZE]; + + static INLINE float -util_fast_log2(float val) +util_fast_log2(float x) { union fi num; - int log_2; - num.f = val; - log_2 = ((num.i >> 23) & 255) - 128; - num.i &= ~(255 << 23); - num.i += 127 << 23; - num.f = ((-1.0f/3) * num.f + 2) * num.f - 2.0f/3; - return num.f + log_2; + float epart, mpart; + num.f = x; + epart = (float)(((num.i & 0x7f800000) >> 23) - 127); + mpart = log2_table[(num.i & 0x007fffff) >> (23 - LOG2_TABLE_SIZE_LOG2)]; + return epart + mpart; } static INLINE float util_fast_pow(float x, float y) { - /* XXX these tests may need adjustment */ - if (y >= 3.0f && (-0.02f <= x && x <= 0.02f)) - return 0.0f; - if (y >= 50.0f && (-0.9f <= x && x <= 0.9f)) - return 0.0f; return util_fast_exp2(util_fast_log2(x) * y); } diff --git a/src/gallium/auxiliary/util/u_sse.h b/src/gallium/auxiliary/util/u_sse.h new file mode 100644 index 0000000000..e2a8491e62 --- /dev/null +++ b/src/gallium/auxiliary/util/u_sse.h @@ -0,0 +1,77 @@ +/************************************************************************** + * + * Copyright 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 + * SSE intrinsics portability header. + * + * Although the SSE intrinsics are support by all modern x86 and x86-64 + * compilers, there are some intrisincs missing in some implementations + * (especially older MSVC versions). This header abstracts that away. + */ + +#ifndef U_SSE_H_ +#define U_SSE_H_ + +#include "pipe/p_config.h" + +#if defined(PIPE_ARCH_SSE) + +#include <xmmintrin.h> +#include <emmintrin.h> + + +/* MSVC before VC8 does not support the _mm_castxxx_yyy */ +#if defined(_MSC_VER) && _MSC_VER < 1500 + +union __declspec(align(16)) m128_types { + __m128 m128; + __m128i m128i; + __m128d m128d; +}; + +static __inline __m128 +_mm_castsi128_ps(__m128i a) +{ + union m128_types u; + u.m128i = a; + return u.m128; +} + +static __inline __m128i +_mm_castps_si128(__m128 a) +{ + union m128_types u; + u.m128 = a; + return u.m128i; +} + +#endif /* defined(_MSC_VER) && _MSC_VER < 1500 */ + +#endif /* PIPE_ARCH_X86 || PIPE_ARCH_X86_64 */ + +#endif /* U_SSE_H_ */ |