#if FEATURE_GL
-#ifdef _GLAPI_USE_REMAP_TABLE
-
-#define need_MESA_remap_table
-#include "main/remap.h"
-#include "main/remap_helper.h"
-
-/* This is shared across all APIs but We define this here since
- * desktop GL has the biggest remap table. */
-int driDispatchRemapTable[driDispatchRemapTable_size];
-
-/**
- * Map the functions which are already static.
- *
- * When a extension function are incorporated into the ABI, the
- * extension suffix is usually stripped. Mapping such functions
- * makes sure the alternative names are available.
- *
- * Note that functions mapped by _mesa_init_remap_table() are
- * excluded.
- */
-void
-_mesa_map_static_functions(void)
-{
- /* Remap static functions which have alternative names and are in the ABI.
- * This is to be on the safe side. glapi should have defined those names.
- */
- _mesa_map_function_array(MESA_alt_functions);
-}
-
-void
-_mesa_init_remap_table(void)
-{
- _mesa_do_init_remap_table(_mesa_function_pool,
- driDispatchRemapTable_size,
- MESA_remap_table_functions);
-}
-
-#endif /* _GLAPI_USE_REMAP_TABLE */
-
-
/**
* Initialize a dispatch table with pointers to Mesa's immediate-mode
* commands.
#if _HAVE_FULL_GL
#include "math/m_matrix.h"
#endif
+#include "main/dispatch.h" /* for _gloffset_COUNT */
#ifdef USE_SPARC_ASM
#include "sparc/sparc.h"
static void
one_time_init( struct gl_context *ctx )
{
- static GLboolean alreadyCalled = GL_FALSE;
- (void) ctx;
+ static GLbitfield api_init_mask = 0x0;
+
_glthread_LOCK_MUTEX(OneTimeLock);
- if (!alreadyCalled) {
+
+ /* truly one-time init */
+ if (!api_init_mask) {
GLuint i;
/* do some implementation tests */
_mesa_get_cpu_features();
- switch (ctx->API) {
-#if FEATURE_GL
- case API_OPENGL:
- _mesa_init_remap_table();
- break;
-#endif
-#if FEATURE_ES1
- case API_OPENGLES:
- _mesa_init_remap_table_es1();
- break;
-#endif
-#if FEATURE_ES2
- case API_OPENGLES2:
- _mesa_init_remap_table_es2();
- break;
-#endif
- default:
- break;
- }
-
_mesa_init_sqrt_table();
+
+ /* context dependence is never a one-time thing... */
_mesa_init_get_hash(ctx);
for (i = 0; i < 256; i++) {
_mesa_debug(ctx, "Mesa %s DEBUG build %s %s\n",
MESA_VERSION_STRING, __DATE__, __TIME__);
#endif
+ }
- alreadyCalled = GL_TRUE;
+ /* per-API one-time init */
+ if (!(api_init_mask & (1 << ctx->API))) {
+ /*
+ * This is fine as ES does not use the remap table, but it may not be
+ * future-proof. We cannot always initialize the remap table because
+ * when an app is linked to libGLES*, there are not enough dynamic
+ * entries.
+ */
+ if (ctx->API == API_OPENGL)
+ _mesa_init_remap_table();
}
+
+ api_init_mask |= 1 << ctx->API;
+
_glthread_UNLOCK_MUTEX(OneTimeLock);
/* Hopefully atexit() is widely available. If not, we may need some
* Mesa we do this to accomodate different versions of libGL and various
* DRI drivers.
*/
- GLint numEntries = MAX2(_glapi_get_dispatch_table_size(), size);
- struct _glapi_table *table =
- (struct _glapi_table *) malloc(numEntries * sizeof(_glapi_proc));
+ GLint numEntries = MAX2(_glapi_get_dispatch_table_size(), _gloffset_COUNT);
+ struct _glapi_table *table;
+
+ /* should never happen, but just in case */
+ numEntries = MAX2(numEntries, size);
+
+ table = (struct _glapi_table *) malloc(numEntries * sizeof(_glapi_proc));
if (table) {
_glapi_proc *entry = (_glapi_proc *) table;
GLint i;
#include "%s"
#include "%s"
#include "main/mfeatures.h"
+#include "main/compiler.h"
+#include "main/api_exec.h"
#if FEATURE_%s
""" % (versionHeader, versionExtHeader, shortname.upper())
/* Mesa error handling requires these */
extern void *_mesa_get_current_context(void);
extern void _mesa_error(void *ctx, GLenum error, const char *fmtString, ... );
-
-#include "main/compiler.h"
-#include "main/api_exec.h"
-#include "main/remap.h"
-
-/* cannot include main/dispatch.h here */
-#if FEATURE_remap_table
-#define _GLAPI_USE_REMAP_TABLE
-#endif
-/* glapi uses GLAPIENTRY while GLES headers define GL_APIENTRY */
-#ifndef GLAPIENTRY
-#define GLAPIENTRY GL_APIENTRY
-#endif
-#include "%sapi/main/glapidispatch.h"
-
-#if FEATURE_remap_table
-
-#if !FEATURE_GL
-int driDispatchRemapTable[driDispatchRemapTable_size];
-#endif
-
-#define need_MESA_remap_table
-
-#include "%sapi/main/remap_helper.h"
-
-void
-_mesa_init_remap_table_%s(void)
-{
- _mesa_do_init_remap_table(_mesa_function_pool,
- driDispatchRemapTable_size,
- MESA_remap_table_functions);
-}
-
-void
-_mesa_map_static_functions_%s(void)
-{
-}
-
-#endif
-
-typedef void (*_glapi_proc)(void); /* generic function pointer */
-""" % (shortname, shortname, shortname, shortname);
+"""
# Finally we get to the all-important functions
print """/*************************************************************
# end for each function
print """
+#include "glapi/glapi.h"
+
+#if FEATURE_remap_table
+
+/* cannot include main/dispatch.h here */
+#define _GLAPI_USE_REMAP_TABLE
+#include "%sapi/main/glapidispatch.h"
+
+#define need_MESA_remap_table
+#include "%sapi/main/remap_helper.h"
+
+/* force SET_* macros to use the local remap table */
+#define driDispatchRemapTable remap_table
+static int remap_table[driDispatchRemapTable_size];
+
+static void
+init_remap_table(void)
+{
+ _glthread_DECLARE_STATIC_MUTEX(mutex);
+ static GLboolean initialized = GL_FALSE;
+ const struct gl_function_pool_remap *remap = MESA_remap_table_functions;
+ int i;
+
+ _glthread_LOCK_MUTEX(mutex);
+ if (initialized) {
+ _glthread_UNLOCK_MUTEX(mutex);
+ return;
+ }
+
+ for (i = 0; i < driDispatchRemapTable_size; i++) {
+ GLint offset;
+ const char *spec;
+
+ /* sanity check */
+ ASSERT(i == remap[i].remap_index);
+ spec = _mesa_function_pool + remap[i].pool_index;
+
+ offset = _mesa_map_function_spec(spec);
+ remap_table[i] = offset;
+ }
+ initialized = GL_TRUE;
+ _glthread_UNLOCK_MUTEX(mutex);
+}
+
+#else /* FEATURE_remap_table */
+
+/* cannot include main/dispatch.h here */
+#include "%sapi/main/glapidispatch.h"
+
+static INLINE void
+init_remap_table(void)
+{
+}
+
+#endif /* FEATURE_remap_table */
+
struct _glapi_table *
_mesa_create_exec_table_%s(void)
{
struct _glapi_table *exec;
+
exec = _mesa_alloc_dispatch_table(_gloffset_COUNT);
if (exec == NULL)
return NULL;
-""" % shortname
+ init_remap_table();
+""" % (shortname, shortname, shortname, shortname)
for func in keys:
prefix = "_es_" if func not in allSpecials else "_check_"
#include "imports.h"
#include "glapi/glapi.h"
-#define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
#define MAX_ENTRY_POINTS 16
-static const char *_mesa_function_pool;
+#define need_MESA_remap_table
+#include "main/remap_helper.h"
+
+
+/* this is global for quick access */
+int driDispatchRemapTable[driDispatchRemapTable_size];
+
/**
* Return the spec string associated with the given function index.
const char *
_mesa_get_function_spec(GLint func_index)
{
- return _mesa_function_pool + func_index;
+ if (func_index < Elements(_mesa_function_pool))
+ return _mesa_function_pool + func_index;
+ else
+ return NULL;
}
}
+/**
+ * Map the functions which are already static.
+ *
+ * When a extension function are incorporated into the ABI, the
+ * extension suffix is usually stripped. Mapping such functions
+ * makes sure the alternative names are available.
+ *
+ * Note that functions mapped by _mesa_init_remap_table() are
+ * excluded.
+ */
+void
+_mesa_map_static_functions(void)
+{
+ /* Remap static functions which have alternative names and are in the ABI.
+ * This is to be on the safe side. glapi should have defined those names.
+ */
+ _mesa_map_function_array(MESA_alt_functions);
+}
+
+
/**
* Initialize the remap table. This is called in one_time_init().
* The remap table needs to be initialized before calling the
* CALL/GET/SET macros defined in main/dispatch.h.
*/
-void
+static void
_mesa_do_init_remap_table(const char *pool,
int size,
const struct gl_function_pool_remap *remap)
if (initialized)
return;
initialized = GL_TRUE;
- _mesa_function_pool = pool;
/* initialize the remap table */
for (i = 0; i < size; i++) {
}
+void
+_mesa_init_remap_table(void)
+{
+ _mesa_do_init_remap_table(_mesa_function_pool,
+ driDispatchRemapTable_size,
+ MESA_remap_table_functions);
+}
+
+
#endif /* FEATURE_remap_table */
extern void
_mesa_map_static_functions(void);
-extern void
-_mesa_map_static_functions_es1(void);
-
-extern void
-_mesa_map_static_functions_es2(void);
-
-extern void
-_mesa_do_init_remap_table(const char *pool,
- int size,
- const struct gl_function_pool_remap *remap);
-
extern void
_mesa_init_remap_table(void);
-extern void
-_mesa_init_remap_table_es1(void);
-
-extern void
-_mesa_init_remap_table_es2(void);
-
#else /* FEATURE_remap_table */
static INLINE const char *
}
-static INLINE void
-_mesa_map_static_functions_es1(void)
-{
-}
-
-static INLINE void
-_mesa_map_static_functions_es2(void)
-{
-}
-
-static INLINE void
-_mesa_do_init_remap_table(const char *pool,
- int size,
- const struct gl_function_pool_remap *remap)
-{
-}
-
static INLINE void
_mesa_init_remap_table(void)
{
}
-static INLINE void
-_mesa_init_remap_table_es1(void)
-{
-}
-
-static INLINE void
-_mesa_init_remap_table_es2(void)
-{
-}
-
#endif /* FEATURE_remap_table */
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