svn merge -r524:HEAD "^/branches/released" .

1 files changed, 66 insertions, 380 deletions

diff --git a/mesalib/src/mesa/glapi/glapi.c b/mesalib/src/mesa/glapi/glapi.c
index 216dede90..b913dc254 100644
--- a/mesalib/src/mesa/glapi/glapi.c
+++ b/mesalib/src/mesa/glapi/glapi.c
@@ -51,104 +51,17 @@
 
 
 #ifdef HAVE_DIX_CONFIG_H
-
 #include <dix-config.h>
-#define PUBLIC
-
+#include "glapi/mesa.h"
 #else
-
 #include "main/glheader.h"
-
-#endif
-
 #include "main/compiler.h"
-
-#include <stdlib.h>
-#include <string.h>
-#ifdef DEBUG
-#include <assert.h>
-#endif
-
-#include "glapi.h"
-#include "glapioffsets.h"
-#include "glapitable.h"
-
-
-/***** BEGIN NO-OP DISPATCH *****/
-
-static GLboolean WarnFlag = GL_FALSE;
-static _glapi_warning_func warning_func;
-
-/*
- * Enable/disable printing of warning messages.
- */
-PUBLIC void
-_glapi_noop_enable_warnings(GLboolean enable)
-{
-   WarnFlag = enable;
-}
-
-/*
- * Register a callback function for reporting errors.
- */
-PUBLIC void
-_glapi_set_warning_func( _glapi_warning_func func )
-{
-   warning_func = func;
-}
-
-static GLboolean
-warn(void)
-{
-#if !defined(_WIN32_WCE)
-   if ((WarnFlag || getenv("MESA_DEBUG") || getenv("LIBGL_DEBUG"))
-       && warning_func) {
-      return GL_TRUE;
-   }
-   else {
-      return GL_FALSE;
-   }
-#else
-   return GL_FALSE;
 #endif
-}
-
-
-#define KEYWORD1 static
-#define KEYWORD1_ALT static
-#define KEYWORD2 GLAPIENTRY
-#define NAME(func)  NoOp##func
-
-#define F NULL
-
-#define DISPATCH(func, args, msg)					      \
-   if (warn()) {							      \
-      warning_func(NULL, "GL User Error: called without context: %s", #func); \
-   }
-
-#define RETURN_DISPATCH(func, args, msg)				      \
-   if (warn()) {							      \
-      warning_func(NULL, "GL User Error: called without context: %s", #func); \
-   }									      \
-   return 0
 
-#define DISPATCH_TABLE_NAME __glapi_noop_table
-#define UNUSED_TABLE_NAME __unused_noop_functions
-
-#define TABLE_ENTRY(name) (_glapi_proc) NoOp##name
-
-static GLint NoOpUnused(void)
-{
-   if (warn()) {
-      warning_func(NULL, "GL User Error: calling extension function without a current context\n");
-   }
-   return 0;
-}
-
-#include "glapitemp.h"
-
-/***** END NO-OP DISPATCH *****/
+#include "glapi/glapi.h"
+#include "glapi/glapitable.h"
 
+extern _glapi_proc __glapi_noop_table[];
 
 
 /**
@@ -192,40 +105,24 @@ PUBLIC __thread void * _glapi_tls_Context
     __attribute__((tls_model("initial-exec")));
 
 PUBLIC const struct _glapi_table *_glapi_Dispatch = NULL;
+
 PUBLIC const void *_glapi_Context = NULL;
 
 #else
 
 #if defined(THREADS)
 
-#ifdef WIN32_THREADS
-/* _glthread_DECLARE_STATIC_MUTEX is broken on windows.  There will be race! */
-#define CHECK_MULTITHREAD_LOCK()
-#define CHECK_MULTITHREAD_UNLOCK()
-#else
-_glthread_DECLARE_STATIC_MUTEX(ThreadCheckMutex);
-#define CHECK_MULTITHREAD_LOCK() _glthread_LOCK_MUTEX(ThreadCheckMutex)
-#define CHECK_MULTITHREAD_UNLOCK() _glthread_UNLOCK_MUTEX(ThreadCheckMutex)
-#endif
-
 static GLboolean ThreadSafe = GL_FALSE;  /**< In thread-safe mode? */
+
 _glthread_TSD _gl_DispatchTSD;           /**< Per-thread dispatch pointer */
-static _glthread_TSD ContextTSD;         /**< Per-thread context pointer */
 
-#if defined(WIN32_THREADS)
-void FreeTSD(_glthread_TSD *p);
-void FreeAllTSD(void)
-{
-   FreeTSD(&_gl_DispatchTSD);
-   FreeTSD(&ContextTSD);
-}
-#endif /* defined(WIN32_THREADS) */
+static _glthread_TSD ContextTSD;         /**< Per-thread context pointer */
 
 #endif /* defined(THREADS) */
 
 #ifndef INSERVER
-PUBLIC struct _glapi_table *_glapi_Dispatch = 
-  (struct _glapi_table *) __glapi_noop_table;
+PUBLIC struct _glapi_table *_glapi_Dispatch = (struct _glapi_table *) __glapi_noop_table;
+
 PUBLIC void *_glapi_Context = NULL;
 #endif
 
@@ -235,14 +132,43 @@ PUBLIC void *_glapi_Context = NULL;
 
 
 #ifndef INSERVER
+#if defined(THREADS) && !defined(GLX_USE_TLS)
+
+void
+_glapi_init_multithread(void)
+{
+   _glthread_InitTSD(&_gl_DispatchTSD);
+   _glthread_InitTSD(&ContextTSD);
+}
+
+void
+_glapi_destroy_multithread(void)
+{
+#ifdef WIN32_THREADS
+   _glthread_DestroyTSD(&_gl_DispatchTSD);
+   _glthread_DestroyTSD(&ContextTSD);
+#endif
+}
+
+/**
+ * Mutex for multithread check.
+ */
+#ifdef WIN32_THREADS
+/* _glthread_DECLARE_STATIC_MUTEX is broken on windows.  There will be race! */
+#define CHECK_MULTITHREAD_LOCK()
+#define CHECK_MULTITHREAD_UNLOCK()
+#else
+_glthread_DECLARE_STATIC_MUTEX(ThreadCheckMutex);
+#define CHECK_MULTITHREAD_LOCK() _glthread_LOCK_MUTEX(ThreadCheckMutex)
+#define CHECK_MULTITHREAD_UNLOCK() _glthread_UNLOCK_MUTEX(ThreadCheckMutex)
+#endif
 /**
  * We should call this periodically from a function such as glXMakeCurrent
  * in order to test if multiple threads are being used.
  */
-void
+PUBLIC void
 _glapi_check_multithread(void)
 {
-#if defined(THREADS) && !defined(GLX_USE_TLS)
    static unsigned long knownID;
    static GLboolean firstCall = GL_TRUE;
 
@@ -251,9 +177,7 @@ _glapi_check_multithread(void)
 
    CHECK_MULTITHREAD_LOCK();
    if (firstCall) {
-      /* initialize TSDs */
-      (void) _glthread_GetTSD(&ContextTSD);
-      (void) _glthread_GetTSD(&_gl_DispatchTSD);
+      _glapi_init_multithread();
 
       knownID = _glthread_GetID();
       firstCall = GL_FALSE;
@@ -264,10 +188,23 @@ _glapi_check_multithread(void)
       _glapi_set_context(NULL);
    }
    CHECK_MULTITHREAD_UNLOCK();
-#endif
 }
+#else
+
+void
+_glapi_init_multithread(void) { }
+
+void
+_glapi_destroy_multithread(void) { }
+
+PUBLIC void
+_glapi_check_multithread(void) { }
+
 #endif
 
+#endif /* INSERVER */
+
+
 
 /**
  * Set the current context pointer for this thread.
@@ -277,7 +214,6 @@ _glapi_check_multithread(void)
 PUBLIC void
 _glapi_set_context(void *context)
 {
-   (void) __unused_noop_functions; /* silence a warning */
 #if defined(GLX_USE_TLS)
    _glapi_tls_Context = context;
 #elif defined(THREADS)
@@ -301,198 +237,12 @@ _glapi_get_context(void)
 #if defined(GLX_USE_TLS)
    return _glapi_tls_Context;
 #elif defined(THREADS)
-   if (ThreadSafe) {
-      return _glthread_GetTSD(&ContextTSD);
-   }
-   else {
-      return _glapi_Context;
-   }
+   return (ThreadSafe) ? _glthread_GetTSD(&ContextTSD) : _glapi_Context;
 #else
    return _glapi_Context;
 #endif
 }
 
-#ifdef USE_X86_ASM
-
-#if defined( GLX_USE_TLS )
-extern       GLubyte gl_dispatch_functions_start[];
-extern       GLubyte gl_dispatch_functions_end[];
-#else
-extern const GLubyte gl_dispatch_functions_start[];
-#endif
-
-#endif /* USE_X86_ASM */
-
-
-#if defined(USE_X64_64_ASM) && defined(GLX_USE_TLS)
-# define DISPATCH_FUNCTION_SIZE  16
-#elif defined(USE_X86_ASM)
-# if defined(THREADS) && !defined(GLX_USE_TLS)
-#  define DISPATCH_FUNCTION_SIZE  32
-# else
-#  define DISPATCH_FUNCTION_SIZE  16
-# endif
-#endif
-
-#ifdef USE_SPARC_ASM
-#ifdef GLX_USE_TLS
-extern unsigned int __glapi_sparc_tls_stub;
-#else
-extern unsigned int __glapi_sparc_pthread_stub;
-#endif
-#endif
-
-#if !defined(DISPATCH_FUNCTION_SIZE) && !defined(XFree86Server) && !defined(XGLServer)
-# define NEED_FUNCTION_POINTER
-#endif
-
-#if defined(PTHREADS) || defined(GLX_USE_TLS)
-/**
- * Perform platform-specific GL API entry-point fixups.
- */
-static void
-init_glapi_relocs( void )
-{
-#if defined(USE_X86_ASM) && defined(GLX_USE_TLS) && !defined(GLX_X86_READONLY_TEXT)
-    extern unsigned long _x86_get_dispatch(void);
-    char run_time_patch[] = {
-       0x65, 0xa1, 0, 0, 0, 0 /* movl %gs:0,%eax */
-    };
-    GLuint *offset = (GLuint *) &run_time_patch[2]; /* 32-bits for x86/32 */
-    const GLubyte * const get_disp = (const GLubyte *) run_time_patch;
-    GLubyte * curr_func = (GLubyte *) gl_dispatch_functions_start;
-
-    *offset = _x86_get_dispatch();
-    while ( curr_func != (GLubyte *) gl_dispatch_functions_end ) {
-	(void) memcpy( curr_func, get_disp, sizeof(run_time_patch));
-	curr_func += DISPATCH_FUNCTION_SIZE;
-    }
-#endif
-#ifdef USE_SPARC_ASM
-    extern void __glapi_sparc_icache_flush(unsigned int *);
-    static const unsigned int template[] = {
-#ifdef GLX_USE_TLS
-	0x05000000, /* sethi %hi(_glapi_tls_Dispatch), %g2 */
-	0x8730e00a, /* srl %g3, 10, %g3 */
-	0x8410a000, /* or %g2, %lo(_glapi_tls_Dispatch), %g2 */
-#ifdef __arch64__
-	0xc259c002, /* ldx [%g7 + %g2], %g1 */
-	0xc2584003, /* ldx [%g1 + %g3], %g1 */
-#else
-	0xc201c002, /* ld [%g7 + %g2], %g1 */
-	0xc2004003, /* ld [%g1 + %g3], %g1 */
-#endif
-	0x81c04000, /* jmp %g1 */
-	0x01000000, /* nop  */
-#else
-#ifdef __arch64__
-	0x03000000, /* 64-bit 0x00 --> sethi %hh(_glapi_Dispatch), %g1 */
-	0x05000000, /* 64-bit 0x04 --> sethi %lm(_glapi_Dispatch), %g2 */
-	0x82106000, /* 64-bit 0x08 --> or %g1, %hm(_glapi_Dispatch), %g1 */
-	0x8730e00a, /* 64-bit 0x0c --> srl %g3, 10, %g3 */
-	0x83287020, /* 64-bit 0x10 --> sllx %g1, 32, %g1 */
-	0x82004002, /* 64-bit 0x14 --> add %g1, %g2, %g1 */
-	0xc2586000, /* 64-bit 0x18 --> ldx [%g1 + %lo(_glapi_Dispatch)], %g1 */
-#else
-	0x03000000, /* 32-bit 0x00 --> sethi %hi(_glapi_Dispatch), %g1 */
-	0x8730e00a, /* 32-bit 0x04 --> srl %g3, 10, %g3 */
-	0xc2006000, /* 32-bit 0x08 --> ld [%g1 + %lo(_glapi_Dispatch)], %g1 */
-#endif
-	0x80a06000, /*             --> cmp %g1, 0 */
-	0x02800005, /*             --> be +4*5 */
-	0x01000000, /*             -->  nop  */
-#ifdef __arch64__
-	0xc2584003, /* 64-bit      --> ldx [%g1 + %g3], %g1 */
-#else
-	0xc2004003, /* 32-bit      --> ld [%g1 + %g3], %g1 */
-#endif
-	0x81c04000, /*             --> jmp %g1 */
-	0x01000000, /*             --> nop  */
-#ifdef __arch64__
-	0x9de3bf80, /* 64-bit      --> save  %sp, -128, %sp */
-#else
-	0x9de3bfc0, /* 32-bit      --> save  %sp, -64, %sp */
-#endif
-	0xa0100003, /*             --> mov  %g3, %l0 */
-	0x40000000, /*             --> call _glapi_get_dispatch */
-	0x01000000, /*             -->  nop */
-	0x82100008, /*             --> mov %o0, %g1 */
-	0x86100010, /*             --> mov %l0, %g3 */
-	0x10bffff7, /*             --> ba -4*9 */
-	0x81e80000, /*             -->  restore  */
-#endif
-    };
-#ifdef GLX_USE_TLS
-    extern unsigned long __glapi_sparc_get_dispatch(void);
-    unsigned int *code = &__glapi_sparc_tls_stub;
-    unsigned long dispatch = __glapi_sparc_get_dispatch();
-#else
-    unsigned int *code = &__glapi_sparc_pthread_stub;
-    unsigned long dispatch = (unsigned long) &_glapi_Dispatch;
-    unsigned long call_dest = (unsigned long ) &_glapi_get_dispatch;
-    int idx;
-#endif
-
-#if defined(GLX_USE_TLS)
-    code[0] = template[0] | (dispatch >> 10);
-    code[1] = template[1];
-    __glapi_sparc_icache_flush(&code[0]);
-    code[2] = template[2] | (dispatch & 0x3ff);
-    code[3] = template[3];
-    __glapi_sparc_icache_flush(&code[2]);
-    code[4] = template[4];
-    code[5] = template[5];
-    __glapi_sparc_icache_flush(&code[4]);
-    code[6] = template[6];
-    __glapi_sparc_icache_flush(&code[6]);
-#else
-#if defined(__arch64__)
-    code[0] = template[0] | (dispatch >> (32 + 10));
-    code[1] = template[1] | ((dispatch & 0xffffffff) >> 10);
-    __glapi_sparc_icache_flush(&code[0]);
-    code[2] = template[2] | ((dispatch >> 32) & 0x3ff);
-    code[3] = template[3];
-    __glapi_sparc_icache_flush(&code[2]);
-    code[4] = template[4];
-    code[5] = template[5];
-    __glapi_sparc_icache_flush(&code[4]);
-    code[6] = template[6] | (dispatch & 0x3ff);
-    idx = 7;
-#else
-    code[0] = template[0] | (dispatch >> 10);
-    code[1] = template[1];
-    __glapi_sparc_icache_flush(&code[0]);
-    code[2] = template[2] | (dispatch & 0x3ff);
-    idx = 3;
-#endif
-    code[idx + 0] = template[idx + 0];
-    __glapi_sparc_icache_flush(&code[idx - 1]);
-    code[idx + 1] = template[idx + 1];
-    code[idx + 2] = template[idx + 2];
-    __glapi_sparc_icache_flush(&code[idx + 1]);
-    code[idx + 3] = template[idx + 3];
-    code[idx + 4] = template[idx + 4];
-    __glapi_sparc_icache_flush(&code[idx + 3]);
-    code[idx + 5] = template[idx + 5];
-    code[idx + 6] = template[idx + 6];
-    __glapi_sparc_icache_flush(&code[idx + 5]);
-    code[idx + 7] = template[idx + 7];
-    code[idx + 8] = template[idx + 8] |
-	    (((call_dest - ((unsigned long) &code[idx + 8]))
-	      >> 2) & 0x3fffffff);
-    __glapi_sparc_icache_flush(&code[idx + 7]);
-    code[idx + 9] = template[idx + 9];
-    code[idx + 10] = template[idx + 10];
-    __glapi_sparc_icache_flush(&code[idx + 9]);
-    code[idx + 11] = template[idx + 11];
-    code[idx + 12] = template[idx + 12];
-    __glapi_sparc_icache_flush(&code[idx + 11]);
-    code[idx + 13] = template[idx + 13];
-    __glapi_sparc_icache_flush(&code[idx + 13]);
-#endif
-#endif
-}
-#endif /* defined(PTHREADS) || defined(GLX_USE_TLS) */
 
 
 /**
@@ -503,17 +253,15 @@ init_glapi_relocs( void )
 PUBLIC void
 _glapi_set_dispatch(struct _glapi_table *dispatch)
 {
-#if defined(PTHREADS) || defined(GLX_USE_TLS)
-   static pthread_once_t once_control = PTHREAD_ONCE_INIT;
-   pthread_once( & once_control, init_glapi_relocs );
-#endif
+   init_glapi_relocs_once();
 
-   if (!dispatch) {
+   if (dispatch == NULL) {
       /* use the no-op functions */
       dispatch = (struct _glapi_table *) __glapi_noop_table;
    }
 #ifdef DEBUG
    else {
+      _glapi_check_table_not_null(dispatch);
       _glapi_check_table(dispatch);
    }
 #endif
@@ -523,9 +271,9 @@ _glapi_set_dispatch(struct _glapi_table *dispatch)
 #elif defined(THREADS)
    _glthread_SetTSD(&_gl_DispatchTSD, (void *) dispatch);
    _glapi_Dispatch = (ThreadSafe) ? NULL : dispatch;
-#else /*THREADS*/
+#else
    _glapi_Dispatch = dispatch;
-#endif /*THREADS*/
+#endif
 }
 
 
@@ -536,17 +284,15 @@ _glapi_set_dispatch(struct _glapi_table *dispatch)
 PUBLIC struct _glapi_table *
 _glapi_get_dispatch(void)
 {
-   struct _glapi_table * api;
 #if defined(GLX_USE_TLS)
-   api = _glapi_tls_Dispatch;
+   return _glapi_tls_Dispatch;
 #elif defined(THREADS)
-   api = (ThreadSafe)
+   return (ThreadSafe)
      ? (struct _glapi_table *) _glthread_GetTSD(&_gl_DispatchTSD)
      : _glapi_Dispatch;
 #else
-   api = _glapi_Dispatch;
+   return _glapi_Dispatch;
 #endif
-   return api;
 }
 
 
@@ -577,75 +323,15 @@ _glapi_get_dispatch_table_size(void)
  * Intended for debugging purposes.
  */
 void
-_glapi_check_table(const struct _glapi_table *table)
+_glapi_check_table_not_null(const struct _glapi_table *table)
 {
-#ifdef EXTRA_DEBUG
+#if 0 /* enable this for extra DEBUG */
    const GLuint entries = _glapi_get_dispatch_table_size();
    const void **tab = (const void **) table;
    GLuint i;
    for (i = 1; i < entries; i++) {
       assert(tab[i]);
    }
-
-   /* Do some spot checks to be sure that the dispatch table
-    * slots are assigned correctly.
-    */
-   {
-      GLuint BeginOffset = _glapi_get_proc_offset("glBegin");
-      char *BeginFunc = (char*) &table->Begin;
-      GLuint offset = (BeginFunc - (char *) table) / sizeof(void *);
-      assert(BeginOffset == _gloffset_Begin);
-      assert(BeginOffset == offset);
-   }
-   {
-      GLuint viewportOffset = _glapi_get_proc_offset("glViewport");
-      char *viewportFunc = (char*) &table->Viewport;
-      GLuint offset = (viewportFunc - (char *) table) / sizeof(void *);
-      assert(viewportOffset == _gloffset_Viewport);
-      assert(viewportOffset == offset);
-   }
-   {
-      GLuint VertexPointerOffset = _glapi_get_proc_offset("glVertexPointer");
-      char *VertexPointerFunc = (char*) &table->VertexPointer;
-      GLuint offset = (VertexPointerFunc - (char *) table) / sizeof(void *);
-      assert(VertexPointerOffset == _gloffset_VertexPointer);
-      assert(VertexPointerOffset == offset);
-   }
-   {
-      GLuint ResetMinMaxOffset = _glapi_get_proc_offset("glResetMinmax");
-      char *ResetMinMaxFunc = (char*) &table->ResetMinmax;
-      GLuint offset = (ResetMinMaxFunc - (char *) table) / sizeof(void *);
-      assert(ResetMinMaxOffset == _gloffset_ResetMinmax);
-      assert(ResetMinMaxOffset == offset);
-   }
-   {
-      GLuint blendColorOffset = _glapi_get_proc_offset("glBlendColor");
-      char *blendColorFunc = (char*) &table->BlendColor;
-      GLuint offset = (blendColorFunc - (char *) table) / sizeof(void *);
-      assert(blendColorOffset == _gloffset_BlendColor);
-      assert(blendColorOffset == offset);
-   }
-   {
-      GLuint secondaryColor3fOffset = _glapi_get_proc_offset("glSecondaryColor3fEXT");
-      char *secondaryColor3fFunc = (char*) &table->SecondaryColor3fEXT;
-      GLuint offset = (secondaryColor3fFunc - (char *) table) / sizeof(void *);
-      assert(secondaryColor3fOffset == _gloffset_SecondaryColor3fEXT);
-      assert(secondaryColor3fOffset == offset);
-   }
-   {
-      GLuint pointParameterivOffset = _glapi_get_proc_offset("glPointParameterivNV");
-      char *pointParameterivFunc = (char*) &table->PointParameterivNV;
-      GLuint offset = (pointParameterivFunc - (char *) table) / sizeof(void *);
-      assert(pointParameterivOffset == _gloffset_PointParameterivNV);
-      assert(pointParameterivOffset == offset);
-   }
-   {
-      GLuint setFenceOffset = _glapi_get_proc_offset("glSetFenceNV");
-      char *setFenceFunc = (char*) &table->SetFenceNV;
-      GLuint offset = (setFenceFunc - (char *) table) / sizeof(void *);
-      assert(setFenceOffset == _gloffset_SetFenceNV);
-      assert(setFenceOffset == offset);
-   }
 #else
    (void) table;
 #endif