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Diffstat (limited to 'src/mapi/mapi.c')
-rw-r--r-- | src/mapi/mapi.c | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/src/mapi/mapi.c b/src/mapi/mapi.c deleted file mode 100644 index c235adc4ab3..00000000000 --- a/src/mapi/mapi.c +++ /dev/null @@ -1,189 +0,0 @@ -/* - * Mesa 3-D graphics library - * - * Copyright (C) 2010 LunarG Inc. - * - * 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. - * - * Authors: - * Chia-I Wu <[email protected]> - */ - -#include <stdlib.h> -#include <string.h> - -#include "u_current.h" -#include "mapi.h" -#include "stub.h" -#include "table.h" - -/* dynamic stubs will run out before this array */ -static const struct mapi_stub *mapi_stub_map[MAPI_TABLE_NUM_SLOTS]; -static int mapi_num_stubs; - -static const struct mapi_stub * -get_stub(const char *name, const struct mapi_stub *alias) -{ - const struct mapi_stub *stub; - - stub = stub_find_public(name); - if (!stub) { - struct mapi_stub *dyn = stub_find_dynamic(name, 1); - if (dyn) { - stub_fix_dynamic(dyn, alias); - stub = dyn; - } - } - - return stub; -} - -/** - * Initialize mapi. spec consists of NULL-separated strings. The first string - * denotes the version. It is followed by variable numbers of entries. Each - * entry can have multiple names. An empty name terminates an entry. An empty - * entry terminates the spec. A spec of two entries, Foo and Bar, is as - * follows - * - * "1\0" - * "Foo\0" - * "FooEXT\0" - * "\0" - * "Bar\0" - * "\0" - */ -void -mapi_init(const char *spec) -{ - static mtx_t mutex = _MTX_INITIALIZER_NP; - const char *p; - int ver, count; - - mtx_lock(&mutex); - - /* already initialized */ - if (mapi_num_stubs) { - mtx_unlock(&mutex); - return; - } - - count = 0; - p = spec; - - /* parse version string */ - ver = atoi(p); - if (ver != 1) { - mtx_unlock(&mutex); - return; - } - p += strlen(p) + 1; - - while (*p) { - const struct mapi_stub *stub; - - stub = get_stub(p, NULL); - /* out of dynamic entries */ - if (!stub) - break; - p += strlen(p) + 1; - - while (*p) { - get_stub(p, stub); - p += strlen(p) + 1; - } - - mapi_stub_map[count++] = stub; - p++; - } - - mapi_num_stubs = count; - - mtx_unlock(&mutex); -} - -/** - * Return the address of an entry. Optionally generate the entry if it does - * not exist. - */ -mapi_proc -mapi_get_proc_address(const char *name) -{ - const struct mapi_stub *stub; - - stub = stub_find_public(name); - if (!stub) - stub = stub_find_dynamic(name, 0); - - return (stub) ? (mapi_proc) stub_get_addr(stub) : NULL; -} - -/** - * Create a dispatch table. - */ -struct mapi_table * -mapi_table_create(void) -{ - const struct mapi_table *noop = table_get_noop(); - struct mapi_table *tbl; - - tbl = malloc(MAPI_TABLE_SIZE); - if (tbl) - memcpy(tbl, noop, MAPI_TABLE_SIZE); - - return tbl; -} - -/** - * Destroy a dispatch table. - */ -void -mapi_table_destroy(struct mapi_table *tbl) -{ - free(tbl); -} - -/** - * Fill a dispatch table. The order of the procs is determined when mapi_init - * is called. - */ -void -mapi_table_fill(struct mapi_table *tbl, const mapi_proc *procs) -{ - const struct mapi_table *noop = table_get_noop(); - int i; - - for (i = 0; i < mapi_num_stubs; i++) { - const struct mapi_stub *stub = mapi_stub_map[i]; - int slot = stub_get_slot(stub); - mapi_func func = (mapi_func) procs[i]; - - if (!func) - func = table_get_func(noop, slot); - table_set_func(tbl, slot, func); - } -} - -/** - * Make a dispatch table current. - */ -void -mapi_table_make_current(const struct mapi_table *tbl) -{ - u_current_set_table(tbl); -} |