egl: Support per-thread info.

This commit introduces a "current" system to manage per-thread info.  It
uses TLS, if GLX_USE_TLS is defined, or pthread, if PTHREADS is defined.
If none of them are defined, it uses a dummy implementation that is just
like before.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>

1 files changed, 4 insertions, 109 deletions

diff --git a/src/egl/main/eglglobals.c b/src/egl/main/eglglobals.c
index b770e55dbd..55de394ef5 100644
--- a/src/egl/main/eglglobals.c
+++ b/src/egl/main/eglglobals.c
@@ -1,6 +1,6 @@
-#include <stdio.h>
 #include <stdlib.h>
 #include "eglglobals.h"
+#include "egllog.h"
 
 struct _egl_global _eglGlobal = 
 {
@@ -22,8 +22,8 @@ _eglInitGlobals(void)
 
       _eglGlobal.ClientAPIsMask = 0x0;
 
-      /* XXX temporary */
-      _eglGlobal.ThreadInfo = _eglNewThreadInfo();
+      if (!_eglInitCurrent())
+         _eglLog(_EGL_FATAL, "failed to initialize \"current\" system");
    }
 }
 
@@ -34,113 +34,8 @@ _eglInitGlobals(void)
 void
 _eglDestroyGlobals(void)
 {
+   _eglFiniCurrent();
    /* XXX TODO walk over table entries, deleting each */
    _eglDeleteHashTable(_eglGlobal.Displays);
    _eglDeleteHashTable(_eglGlobal.Surfaces);
 }
-
-
-/**
- * Allocate and init a new _EGLThreadInfo object.
- */
-_EGLThreadInfo *
-_eglNewThreadInfo(void)
-{
-   _EGLThreadInfo *t = (_EGLThreadInfo *) calloc(1, sizeof(_EGLThreadInfo));
-   if (t) {
-      t->CurrentContext = EGL_NO_CONTEXT;
-      t->LastError = EGL_SUCCESS;
-      t->CurrentAPI = EGL_OPENGL_ES_API;  /* default, per EGL spec */
-   }
-   return t;
-}
-
-
-/**
- * Delete/free a _EGLThreadInfo object.
- */
-void
-_eglDeleteThreadData(_EGLThreadInfo *t)
-{
-   free(t);
-}
-
-
-
-/**
- * Return pointer to calling thread's _EGLThreadInfo object.
- * Create a new one if needed.
- * Should never return NULL.
- */
-_EGLThreadInfo *
-_eglGetCurrentThread(void)
-{
-   _eglInitGlobals();
-
-   /* XXX temporary */
-   return _eglGlobal.ThreadInfo;
-}
-
-
-/**
- * Record EGL error code.
- */
-void
-_eglError(EGLint errCode, const char *msg)
-{
-   _EGLThreadInfo *t = _eglGetCurrentThread();
-   const char *s;
-
-   if (t->LastError == EGL_SUCCESS) {
-      t->LastError = errCode;
-
-      switch (errCode) {
-      case EGL_BAD_ACCESS:
-         s = "EGL_BAD_ACCESS";
-         break;
-      case EGL_BAD_ALLOC:
-         s = "EGL_BAD_ALLOC";
-         break;
-      case EGL_BAD_ATTRIBUTE:
-         s = "EGL_BAD_ATTRIBUTE";
-         break;
-      case EGL_BAD_CONFIG:
-         s = "EGL_BAD_CONFIG";
-         break;
-      case EGL_BAD_CONTEXT:
-         s = "EGL_BAD_CONTEXT";
-         break;
-      case EGL_BAD_CURRENT_SURFACE:
-         s = "EGL_BAD_CURRENT_SURFACE";
-         break;
-      case EGL_BAD_DISPLAY:
-         s = "EGL_BAD_DISPLAY";
-         break;
-      case EGL_BAD_MATCH:
-         s = "EGL_BAD_MATCH";
-         break;
-      case EGL_BAD_NATIVE_PIXMAP:
-         s = "EGL_BAD_NATIVE_PIXMAP";
-         break;
-      case EGL_BAD_NATIVE_WINDOW:
-         s = "EGL_BAD_NATIVE_WINDOW";
-         break;
-      case EGL_BAD_PARAMETER:
-         s = "EGL_BAD_PARAMETER";
-         break;
-      case EGL_BAD_SURFACE:
-         s = "EGL_BAD_SURFACE";
-         break;
-      case EGL_BAD_SCREEN_MESA:
-         s = "EGL_BAD_SCREEN_MESA";
-         break;
-      case EGL_BAD_MODE_MESA:
-         s = "EGL_BAD_MODE_MESA";
-         break;
-      default:
-         s = "other";
-      }
-      /* XXX temporary */
-      fprintf(stderr, "EGL user error 0x%x (%s) in %s\n", errCode, s, msg);
-   }
-}