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Diffstat (limited to 'src/mapi/glapi/glapi_priv.h')
-rw-r--r-- | src/mapi/glapi/glapi_priv.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/mapi/glapi/glapi_priv.h b/src/mapi/glapi/glapi_priv.h new file mode 100644 index 00000000000..da6fee63fe7 --- /dev/null +++ b/src/mapi/glapi/glapi_priv.h @@ -0,0 +1,99 @@ +/* + * Mesa 3-D graphics library + * Version: 7.1 + * + * Copyright (C) 1999-2008 Brian Paul 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 + * BRIAN PAUL 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 _GLAPI_PRIV_H +#define _GLAPI_PRIV_H + +#include "glthread.h" +#include "glapi.h" + + + +/* getproc */ + +extern void +_glapi_check_table_not_null(const struct _glapi_table *table); + + +extern void +_glapi_check_table(const struct _glapi_table *table); + + +/* execmem */ + +extern void * +_glapi_exec_malloc(unsigned int size); + + +/* entrypoint */ + +extern void +init_glapi_relocs_once(void); + + +extern _glapi_proc +generate_entrypoint(unsigned int functionOffset); + + +extern void +fill_in_entrypoint_offset(_glapi_proc entrypoint, unsigned int offset); + + +extern _glapi_proc +get_entrypoint_address(unsigned int functionOffset); + + +/** + * Size (in bytes) of dispatch function (entrypoint). + */ +#if defined(USE_X86_ASM) +# if defined(GLX_USE_TLS) +# define DISPATCH_FUNCTION_SIZE 16 +# elif defined(THREADS) +# define DISPATCH_FUNCTION_SIZE 32 +# else +# define DISPATCH_FUNCTION_SIZE 16 +# endif +#endif + +#if defined(USE_X64_64_ASM) +# if defined(GLX_USE_TLS) +# define DISPATCH_FUNCTION_SIZE 16 +# endif +#endif + + +/** + * Number of extension functions which we can dynamically add at runtime. + * + * Number of extension functions is also subject to the size of backing exec + * mem we allocate. For the common case of dispatch stubs with size 16 bytes, + * the two limits will be hit simultaneously. For larger dispatch function + * sizes, MAX_EXTENSION_FUNCS is effectively reduced. + */ +#define MAX_EXTENSION_FUNCS 256 + + +#endif |