Merge branch 'master' of git+ssh://agd5f@git.freedesktop.org/git/mesa/mesa into r6xx-rewrite

43 files changed, 1903 insertions, 846 deletions

diff --git a/configs/default b/configs/default
index a8996702d7..60638d739d 100644
--- a/configs/default
+++ b/configs/default
@@ -105,7 +105,7 @@ GALLIUM_STATE_TRACKERS_DIRS = glx
 # Library dependencies
 #EXTRA_LIB_PATH ?=
 GL_LIB_DEPS     = $(EXTRA_LIB_PATH) -lX11 -lXext -lm -lpthread
-EGL_LIB_DEPS    = $(EXTRA_LIB_PATH) -lX11 -ldl
+EGL_LIB_DEPS    = $(EXTRA_LIB_PATH) -lX11 -ldl -lpthread
 OSMESA_LIB_DEPS = $(EXTRA_LIB_PATH) -L$(TOP)/$(LIB_DIR) -l$(GL_LIB)
 GLU_LIB_DEPS    = $(EXTRA_LIB_PATH) -L$(TOP)/$(LIB_DIR) -l$(GL_LIB) -lm
 GLUT_LIB_DEPS   = $(EXTRA_LIB_PATH) -L$(TOP)/$(LIB_DIR) -l$(GLU_LIB) -l$(GL_LIB) -lX11 -lXmu -lXi -lm
diff --git a/progs/egl/.gitignore b/progs/egl/.gitignore
index 793c6c0f61..f417aefb93 100644
--- a/progs/egl/.gitignore
+++ b/progs/egl/.gitignore
@@ -7,4 +7,5 @@ eglscreen
 egltri
 peglgears
 xeglgears
+xeglthreads
 xegl_tri
diff --git a/progs/egl/Makefile b/progs/egl/Makefile
index e1fdb1ce63..d3c32d46f7 100644
--- a/progs/egl/Makefile
+++ b/progs/egl/Makefile
@@ -18,6 +18,7 @@ PROGRAMS = \
 	eglscreen \
 	peglgears \
 	xeglgears \
+	xeglthreads \
 	xegl_tri
 
 
@@ -90,6 +91,13 @@ xeglgears.o: xeglgears.c $(HEADERS)
 	$(CC) -c $(CFLAGS) -I$(TOP)/include xeglgears.c
 
 
+xeglthreads: xeglthreads.o $(TOP)/$(LIB_DIR)/libEGL.so
+	$(CC) $(CFLAGS) xeglthreads.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
+
+xeglthreads.o: xeglthreads.c $(HEADERS)
+	$(CC) -c $(CFLAGS) -I$(TOP)/include xeglthreads.c
+
+
 xegl_tri: xegl_tri.o $(TOP)/$(LIB_DIR)/libEGL.so
 	$(CC) $(CFLAGS) xegl_tri.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@
 
diff --git a/progs/egl/xeglthreads.c b/progs/egl/xeglthreads.c
new file mode 100644
index 0000000000..508dbc0943
--- /dev/null
+++ b/progs/egl/xeglthreads.c
@@ -0,0 +1,773 @@
+/*
+ * Copyright (C) 2000  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.
+ *
+ * Ported to EGL by Chia-I Wu <olvaffe@gmail.com>
+ */
+
+
+/*
+ * This program tests EGL thread safety.
+ * Command line options:
+ *  -p                       Open a display connection for each thread
+ *  -l                       Enable application-side locking
+ *  -n <num threads>         Number of threads to create (default is 2)
+ *  -display <display name>  Specify X display (default is $DISPLAY)
+ *  -t                       Use texture mapping
+ *
+ * Brian Paul  20 July 2000
+ */
+
+
+/*
+ * Notes:
+ * - Each thread gets its own EGL context.
+ *
+ * - The EGL contexts share texture objects.
+ *
+ * - When 't' is pressed to update the texture image, the window/thread which
+ *   has input focus is signalled to change the texture.  The other threads
+ *   should see the updated texture the next time they call glBindTexture.
+ */
+
+
+#if defined(PTHREADS)   /* defined by Mesa on Linux and other platforms */
+
+#include <assert.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <GL/gl.h>
+#include <EGL/egl.h>
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <pthread.h>
+
+
+/*
+ * Each window/thread/context:
+ */
+struct winthread {
+   Display *Dpy;
+   int Index;
+   pthread_t Thread;
+   Window Win;
+   EGLDisplay Display;
+   EGLContext Context;
+   EGLSurface Surface;
+   float Angle;
+   int WinWidth, WinHeight;
+   GLboolean NewSize;
+   GLboolean Initialized;
+   GLboolean MakeNewTexture;
+};
+
+
+#define MAX_WINTHREADS 100
+static struct winthread WinThreads[MAX_WINTHREADS];
+static int NumWinThreads = 0;
+static volatile GLboolean ExitFlag = GL_FALSE;
+
+static GLboolean MultiDisplays = 0;
+static GLboolean Locking = 0;
+static GLboolean Texture = GL_FALSE;
+static GLuint TexObj = 12;
+static GLboolean Animate = GL_TRUE;
+
+static pthread_mutex_t Mutex;
+static pthread_cond_t CondVar;
+static pthread_mutex_t CondMutex;
+
+
+static void
+Error(const char *msg)
+{
+   fprintf(stderr, "Error: %s\n", msg);
+   exit(1);
+}
+
+
+static void
+signal_redraw(void)
+{
+   pthread_mutex_lock(&CondMutex);
+   pthread_cond_broadcast(&CondVar);
+   pthread_mutex_unlock(&CondMutex);
+}
+
+
+static void
+MakeNewTexture(struct winthread *wt)
+{
+#define TEX_SIZE 128
+   static float step = 0.0;
+   GLfloat image[TEX_SIZE][TEX_SIZE][4];
+   GLint width;
+   int i, j;
+
+   for (j = 0; j < TEX_SIZE; j++) {
+      for (i = 0; i < TEX_SIZE; i++) {
+         float dt = 5.0 * (j - 0.5 * TEX_SIZE) / TEX_SIZE;
+         float ds = 5.0 * (i - 0.5 * TEX_SIZE) / TEX_SIZE;
+         float r = dt * dt + ds * ds + step;
+         image[j][i][0] =
+         image[j][i][1] =
+         image[j][i][2] = 0.75 + 0.25 * cos(r);
+         image[j][i][3] = 1.0;
+      }
+   }
+
+   step += 0.5;
+
+   glBindTexture(GL_TEXTURE_2D, TexObj);
+
+   glGetTexLevelParameteriv(GL_TEXTURE_2D, 0, GL_TEXTURE_WIDTH, &width);
+   if (width) {
+      assert(width == TEX_SIZE);
+      /* sub-tex replace */
+      glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, TEX_SIZE, TEX_SIZE,
+                   GL_RGBA, GL_FLOAT, image);
+   }
+   else {
+      /* create new */
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+      glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+      glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEX_SIZE, TEX_SIZE, 0,
+                   GL_RGBA, GL_FLOAT, image);
+   }
+}
+
+
+
+/* draw a colored cube */
+static void
+draw_object(void)
+{
+   glPushMatrix();
+   glScalef(0.75, 0.75, 0.75);
+
+   glColor3f(1, 0, 0);
+
+   if (Texture) {
+      glBindTexture(GL_TEXTURE_2D, TexObj);
+      glEnable(GL_TEXTURE_2D);
+   }
+   else {
+      glDisable(GL_TEXTURE_2D);
+   }
+
+   glBegin(GL_QUADS);
+
+   /* -X */
+   glColor3f(0, 1, 1);
+   glTexCoord2f(0, 0);  glVertex3f(-1, -1, -1);
+   glTexCoord2f(1, 0);  glVertex3f(-1,  1, -1);
+   glTexCoord2f(1, 1);  glVertex3f(-1,  1,  1);
+   glTexCoord2f(0, 1);  glVertex3f(-1, -1,  1);
+
+   /* +X */
+   glColor3f(1, 0, 0);
+   glTexCoord2f(0, 0);  glVertex3f(1, -1, -1);
+   glTexCoord2f(1, 0);  glVertex3f(1,  1, -1);
+   glTexCoord2f(1, 1);  glVertex3f(1,  1,  1);
+   glTexCoord2f(0, 1);  glVertex3f(1, -1,  1);
+
+   /* -Y */
+   glColor3f(1, 0, 1);
+   glTexCoord2f(0, 0);  glVertex3f(-1, -1, -1);
+   glTexCoord2f(1, 0);  glVertex3f( 1, -1, -1);
+   glTexCoord2f(1, 1);  glVertex3f( 1, -1,  1);
+   glTexCoord2f(0, 1);  glVertex3f(-1, -1,  1);
+
+   /* +Y */
+   glColor3f(0, 1, 0);
+   glTexCoord2f(0, 0);  glVertex3f(-1, 1, -1);
+   glTexCoord2f(1, 0);  glVertex3f( 1, 1, -1);
+   glTexCoord2f(1, 1);  glVertex3f( 1, 1,  1);
+   glTexCoord2f(0, 1);  glVertex3f(-1, 1,  1);
+
+   /* -Z */
+   glColor3f(1, 1, 0);
+   glTexCoord2f(0, 0);  glVertex3f(-1, -1, -1);
+   glTexCoord2f(1, 0);  glVertex3f( 1, -1, -1);
+   glTexCoord2f(1, 1);  glVertex3f( 1,  1, -1);
+   glTexCoord2f(0, 1);  glVertex3f(-1,  1, -1);
+
+   /* +Y */
+   glColor3f(0, 0, 1);
+   glTexCoord2f(0, 0);  glVertex3f(-1, -1, 1);
+   glTexCoord2f(1, 0);  glVertex3f( 1, -1, 1);
+   glTexCoord2f(1, 1);  glVertex3f( 1,  1, 1);
+   glTexCoord2f(0, 1);  glVertex3f(-1,  1, 1);
+
+   glEnd();
+
+   glPopMatrix();
+}
+
+
+/* signal resize of given window */
+static void
+resize(struct winthread *wt, int w, int h)
+{
+   wt->NewSize = GL_TRUE;
+   wt->WinWidth = w;
+   wt->WinHeight = h;
+   if (!Animate)
+      signal_redraw();
+}
+
+
+/*
+ * We have an instance of this for each thread.
+ */
+static void
+draw_loop(struct winthread *wt)
+{
+   while (!ExitFlag) {
+
+      if (Locking)
+         pthread_mutex_lock(&Mutex);
+
+      if (!wt->Initialized) {
+         eglMakeCurrent(wt->Display, wt->Surface, wt->Surface, wt->Context);
+         printf("xeglthreads: %d: GL_RENDERER = %s\n", wt->Index,
+                (char *) glGetString(GL_RENDERER));
+         if (Texture /*&& wt->Index == 0*/) {
+            MakeNewTexture(wt);
+         }
+         wt->Initialized = GL_TRUE;
+      }
+
+      if (Locking)
+         pthread_mutex_unlock(&Mutex);
+
+      eglBindAPI(EGL_OPENGL_API);
+      if (eglGetCurrentContext() != wt->Context) {
+         printf("xeglthreads: current context %p != %p\n",
+               eglGetCurrentContext(), wt->Context);
+      }
+
+      glEnable(GL_DEPTH_TEST);
+
+      if (wt->NewSize) {
+         GLfloat w = (float) wt->WinWidth / (float) wt->WinHeight;
+         glViewport(0, 0, wt->WinWidth, wt->WinHeight);
+         glMatrixMode(GL_PROJECTION);
+         glLoadIdentity();
+         glFrustum(-w, w, -1.0, 1.0, 1.5, 10);
+         glMatrixMode(GL_MODELVIEW);
+         glLoadIdentity();
+         glTranslatef(0, 0, -2.5);
+         wt->NewSize = GL_FALSE;
+      }
+
+      if (wt->MakeNewTexture) {
+         MakeNewTexture(wt);
+         wt->MakeNewTexture = GL_FALSE;
+      }
+
+      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+      glPushMatrix();
+         glRotatef(wt->Angle, 0, 1, 0);
+         glRotatef(wt->Angle, 1, 0, 0);
+         glScalef(0.7, 0.7, 0.7);
+         draw_object();
+      glPopMatrix();
+
+      if (Locking)
+         pthread_mutex_lock(&Mutex);
+
+      eglSwapBuffers(wt->Display, wt->Surface);
+
+      if (Locking)
+         pthread_mutex_unlock(&Mutex);
+
+      if (Animate) {
+         usleep(5000);
+      }
+      else {
+         /* wait for signal to draw */
+         pthread_mutex_lock(&CondMutex);
+         pthread_cond_wait(&CondVar, &CondMutex);
+         pthread_mutex_unlock(&CondMutex);
+      }
+      wt->Angle += 1.0;
+   }
+   eglMakeCurrent(wt->Display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+}
+
+
+static void
+keypress(XEvent *event, struct winthread *wt)
+{
+   char buf[100];
+   KeySym keySym;
+   XComposeStatus stat;
+
+   XLookupString(&event->xkey, buf, sizeof(buf), &keySym, &stat);
+
+   switch (keySym) {
+   case XK_Escape:
+      /* tell all threads to exit */
+      if (!Animate) {
+         signal_redraw();
+      }
+      ExitFlag = GL_TRUE;
+      /*printf("exit draw_loop %d\n", wt->Index);*/
+      return;
+   case XK_t:
+   case XK_T:
+      if (Texture) {
+         wt->MakeNewTexture = GL_TRUE;
+         if (!Animate)
+            signal_redraw();
+      }
+      break;
+   case XK_a:
+   case XK_A:
+      Animate = !Animate;
+      if (Animate)  /* yes, prev Animate state! */
+         signal_redraw();
+      break;
+   case XK_s:
+   case XK_S:
+      if (!Animate)
+         signal_redraw();
+      break;
+   default:
+      ; /* nop */
+   }
+}
+
+
+/*
+ * The main process thread runs this loop.
+ * Single display connection for all threads.
+ */
+static void
+event_loop(Display *dpy)
+{
+   XEvent event;
+   int i;
+
+   assert(!MultiDisplays);
+
+   while (!ExitFlag) {
+
+      if (Locking) {
+         while (1) {
+            int k;
+            pthread_mutex_lock(&Mutex);
+            k = XPending(dpy);
+            if (k) {
+               XNextEvent(dpy, &event);
+               pthread_mutex_unlock(&Mutex);
+               break;
+            }
+            pthread_mutex_unlock(&Mutex);
+            usleep(5000);
+         }
+      }
+      else {
+         XNextEvent(dpy, &event);
+      }
+
+      switch (event.type) {
+         case ConfigureNotify:
+            /* Find winthread for this event's window */
+            for (i = 0; i < NumWinThreads; i++) {
+               struct winthread *wt = &WinThreads[i];
+               if (event.xconfigure.window == wt->Win) {
+                  resize(wt, event.xconfigure.width,
+                         event.xconfigure.height);
+                  break;
+               }
+            }
+            break;
+         case KeyPress:
+            for (i = 0; i < NumWinThreads; i++) {
+               struct winthread *wt = &WinThreads[i];
+               if (event.xkey.window == wt->Win) {
+                  keypress(&event, wt);
+                  break;
+               }
+            }
+            break;
+         default:
+            /*no-op*/ ;
+      }
+   }
+}
+
+
+/*
+ * Separate display connection for each thread.
+ */
+static void
+event_loop_multi(void)
+{
+   XEvent event;
+   int w = 0;
+
+   assert(MultiDisplays);
+
+   while (!ExitFlag) {
+      struct winthread *wt = &WinThreads[w];
+      if (XPending(wt->Dpy)) {
+         XNextEvent(wt->Dpy, &event);
+         switch (event.type) {
+         case ConfigureNotify:
+            resize(wt, event.xconfigure.width, event.xconfigure.height);
+            break;
+         case KeyPress:
+            keypress(&event, wt);
+            break;
+         default:
+            ; /* nop */
+         }
+      }
+      w = (w + 1) % NumWinThreads;
+      usleep(5000);
+   }
+}
+
+
+
+/*
+ * we'll call this once for each thread, before the threads are created.
+ */
+static void
+create_window(struct winthread *wt, EGLContext shareCtx)
+{
+   Window win;
+   EGLContext ctx;
+   EGLSurface surf;
+   EGLint attribs[] = { EGL_RED_SIZE, 1,
+                        EGL_GREEN_SIZE, 1,
+                        EGL_BLUE_SIZE, 1,
+                        EGL_DEPTH_SIZE, 1,
+                        EGL_NONE };
+   EGLConfig config;
+   EGLint num_configs;
+   EGLint vid;
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   XVisualInfo *visinfo, visTemplate;
+   int num_visuals;
+   int width = 160, height = 160;
+   int xpos = (wt->Index % 8) * (width + 10);
+   int ypos = (wt->Index / 8) * (width + 20);
+
+   scrnum = DefaultScreen(wt->Dpy);
+   root = RootWindow(wt->Dpy, scrnum);
+
+   if (!eglChooseConfig(wt->Display, attribs, &config, 1, &num_configs)) {
+      Error("Unable to choose an EGL config");
+   }
+
+   assert(config);
+   assert(num_configs > 0);
+
+   if (!eglGetConfigAttrib(wt->Display, config, EGL_NATIVE_VISUAL_ID, &vid)) {
+      Error("Unable to get visual id of EGL config\n");
+   }
+
+   visTemplate.visualid = vid;
+   visinfo = XGetVisualInfo(wt->Dpy, VisualIDMask,
+                        &visTemplate, &num_visuals);
+   if (!visinfo) {
+      Error("Unable to find RGB, Z, double-buffered visual");
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap(wt->Dpy, root, visinfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow(wt->Dpy, root, xpos, ypos, width, height,
+                        0, visinfo->depth, InputOutput,
+                        visinfo->visual, mask, &attr);
+   if (!win) {
+      Error("Couldn't create window");
+   }
+
+   XFree(visinfo);
+
+   {
+      XSizeHints sizehints;
+      sizehints.x = xpos;
+      sizehints.y = ypos;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(wt->Dpy, win, &sizehints);
+      XSetStandardProperties(wt->Dpy, win, "xeglthreads", "xeglthreads",
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   eglBindAPI(EGL_OPENGL_API);
+
+   ctx = eglCreateContext(wt->Display, config, shareCtx, NULL);
+   if (!ctx) {
+      Error("Couldn't create EGL context");
+   }
+   surf = eglCreateWindowSurface(wt->Display, config, win, NULL);
+   if (!surf) {
+      Error("Couldn't create EGL surface");
+   }
+
+   XMapWindow(wt->Dpy, win);
+   XSync(wt->Dpy, 0);
+
+   /* save the info for this window/context */
+   wt->Win = win;
+   wt->Context = ctx;
+   wt->Surface = surf;
+   wt->Angle = 0.0;
+   wt->WinWidth = width;
+   wt->WinHeight = height;
+   wt->NewSize = GL_TRUE;
+}
+
+
+/*
+ * Called by pthread_create()
+ */
+static void *
+thread_function(void *p)
+{
+   struct winthread *wt = (struct winthread *) p;
+   draw_loop(wt);
+   return NULL;
+}
+
+
+/*
+ * called before exit to wait for all threads to finish
+ */
+static void
+clean_up(void)
+{
+   int i;
+
+   /* wait for threads to finish */
+   for (i = 0; i < NumWinThreads; i++) {
+      pthread_join(WinThreads[i].Thread, NULL);
+   }
+
+   for (i = 0; i < NumWinThreads; i++) {
+      eglDestroyContext(WinThreads[i].Display, WinThreads[i].Context);
+      XDestroyWindow(WinThreads[i].Dpy, WinThreads[i].Win);
+   }
+}
+
+
+static void
+usage(void)
+{
+   printf("xeglthreads: test of EGL/GL thread safety (any key = exit)\n");
+   printf("Usage:\n");
+   printf("  xeglthreads [options]\n");
+   printf("Options:\n");
+   printf("   -display DISPLAYNAME  Specify display string\n");
+   printf("   -n NUMTHREADS  Number of threads to create\n");
+   printf("   -p  Use a separate display connection for each thread\n");
+   printf("   -l  Use application-side locking\n");
+   printf("   -t  Enable texturing\n");
+   printf("Keyboard:\n");
+   printf("   Esc  Exit\n");
+   printf("   t    Change texture image (requires -t option)\n");
+   printf("   a    Toggle animation\n");
+   printf("   s    Step rotation (when not animating)\n");
+}
+
+
+int
+main(int argc, char *argv[])
+{
+   char *displayName = NULL;
+   int numThreads = 2;
+   Display *dpy = NULL;
+   EGLDisplay *egl_dpy = NULL;
+   int i;
+   Status threadStat;
+
+   if (argc == 1) {
+      usage();
+   }
+   else {
+      int i;
+      for (i = 1; i < argc; i++) {
+         if (strcmp(argv[i], "-display") == 0 && i + 1 < argc) {
+            displayName = argv[i + 1];
+            i++;
+         }
+         else if (strcmp(argv[i], "-p") == 0) {
+            MultiDisplays = 1;
+         }
+         else if (strcmp(argv[i], "-l") == 0) {
+            Locking = 1;
+         }
+         else if (strcmp(argv[i], "-t") == 0) {
+            Texture = 1;
+         }
+         else if (strcmp(argv[i], "-n") == 0 && i + 1 < argc) {
+            numThreads = atoi(argv[i + 1]);
+            if (numThreads < 1)
+               numThreads = 1;
+            else if (numThreads > MAX_WINTHREADS)
+               numThreads = MAX_WINTHREADS;
+            i++;
+         }
+         else {
+            usage();
+            exit(1);
+         }
+      }
+   }
+
+   if (Locking)
+      printf("xeglthreads: Using explicit locks around Xlib calls.\n");
+   else
+      printf("xeglthreads: No explict locking.\n");
+
+   if (MultiDisplays)
+      printf("xeglthreads: Per-thread display connections.\n");
+   else
+      printf("xeglthreads: Single display connection.\n");
+
+   /*
+    * VERY IMPORTANT: call XInitThreads() before any other Xlib functions.
+    */
+   if (!MultiDisplays) {
+       if (!Locking) {
+           threadStat = XInitThreads();
+           if (threadStat) {
+               printf("XInitThreads() returned %d (success)\n",
+                      (int) threadStat);
+           }
+           else {
+               printf("XInitThreads() returned 0 "
+                      "(failure- this program may fail)\n");
+           }
+       }
+
+      dpy = XOpenDisplay(displayName);
+      if (!dpy) {
+         fprintf(stderr, "Unable to open display %s\n",
+                 XDisplayName(displayName));
+         return -1;
+      }
+      egl_dpy = eglGetDisplay(dpy);
+      if (!egl_dpy) {
+         fprintf(stderr, "Unable to get EGL display\n");
+         XCloseDisplay(dpy);
+         return -1;
+      }
+      if (!eglInitialize(egl_dpy, NULL, NULL)) {
+          fprintf(stderr, "Unable to initialize EGL display\n");
+          return -1;
+      }
+   }
+
+   pthread_mutex_init(&Mutex, NULL);
+   pthread_mutex_init(&CondMutex, NULL);
+   pthread_cond_init(&CondVar, NULL);
+
+   printf("xeglthreads: creating windows\n");
+
+   NumWinThreads = numThreads;
+
+   /* Create the EGL windows and contexts */
+   for (i = 0; i < numThreads; i++) {
+      EGLContext share;
+
+      if (MultiDisplays) {
+         WinThreads[i].Dpy = XOpenDisplay(displayName);
+         assert(WinThreads[i].Dpy);
+         WinThreads[i].Display = eglGetDisplay(WinThreads[i].Dpy);
+         assert(eglInitialize(WinThreads[i].Display, NULL, NULL));
+      }
+      else {
+         WinThreads[i].Dpy = dpy;
+         WinThreads[i].Display = egl_dpy;
+      }
+      WinThreads[i].Index = i;
+      WinThreads[i].Initialized = GL_FALSE;
+
+      share = (Texture && i > 0) ? WinThreads[0].Context : 0;
+
+      create_window(&WinThreads[i], share);
+   }
+
+   printf("xeglthreads: creating threads\n");
+
+   /* Create the threads */
+   for (i = 0; i < numThreads; i++) {
+      pthread_create(&WinThreads[i].Thread, NULL, thread_function,
+                     (void*) &WinThreads[i]);
+      printf("xeglthreads: Created thread %p\n",
+              (void *) WinThreads[i].Thread);
+   }
+
+   if (MultiDisplays)
+      event_loop_multi();
+   else
+      event_loop(dpy);
+
+   clean_up();
+
+   if (MultiDisplays) {
+      for (i = 0; i < numThreads; i++) {
+          eglTerminate(WinThreads[i].Display);
+          XCloseDisplay(WinThreads[i].Dpy);
+      }
+   }
+   else {
+      eglTerminate(egl_dpy);
+      XCloseDisplay(dpy);
+   }
+
+   return 0;
+}
+
+
+#else /* PTHREADS */
+
+
+#include <stdio.h>
+
+int
+main(int argc, char *argv[])
+{
+   printf("Sorry, this program wasn't compiled with PTHREADS defined.\n");
+   return 0;
+}
+
+
+#endif /* PTHREADS */
diff --git a/src/egl/drivers/demo/demo.c b/src/egl/drivers/demo/demo.c
index 1750e976b8..f316974d83 100644
--- a/src/egl/drivers/demo/demo.c
+++ b/src/egl/drivers/demo/demo.c
@@ -146,12 +146,12 @@ demoCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext
    if (!c)
       return EGL_NO_CONTEXT;
 
-   _eglInitContext(drv, dpy, &c->Base, config, attrib_list);
+   _eglInitContext(drv, &c->Base, conf, attrib_list);
    c->DemoStuff = 1;
    printf("demoCreateContext\n");
 
-   /* generate handle and insert into hash table */
-   _eglSaveContext(&c->Base);
+   /* link to display */
+   _eglLinkContext(&c->Base, _eglLookupDisplay(dpy));
    assert(_eglGetContextHandle(&c->Base));
 
    return _eglGetContextHandle(&c->Base);
@@ -213,11 +213,14 @@ demoCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
                          const EGLint *attrib_list)
 {
    DemoSurface *surf = (DemoSurface *) calloc(1, sizeof(DemoSurface));
+   _EGLConfig *conf;
+
    if (!surf)
       return EGL_NO_SURFACE;
 
-   if (!_eglInitSurface(drv, dpy, &surf->Base, EGL_PBUFFER_BIT,
-                        config, attrib_list)) {
+   conf = _eglLookupConfig(drv, dpy, config);
+   if (!_eglInitSurface(drv, &surf->Base, EGL_PBUFFER_BIT,
+                        conf, attrib_list)) {
       free(surf);
       return EGL_NO_SURFACE;
    }
@@ -232,13 +235,9 @@ static EGLBoolean
 demoDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
 {
    DemoSurface *fs = LookupDemoSurface(surface);
-   _eglRemoveSurface(&fs->Base);
-   if (fs->Base.IsBound) {
-      fs->Base.DeletePending = EGL_TRUE;
-   }
-   else {
+   _eglUnlinkSurface(&fs->Base);
+   if (!fs->Base.IsBound)
       free(fs);
-   }
    return EGL_TRUE;
 }
 
@@ -247,13 +246,9 @@ static EGLBoolean
 demoDestroyContext(_EGLDriver *drv, EGLDisplay dpy, EGLContext context)
 {
    DemoContext *fc = LookupDemoContext(context);
-   _eglRemoveContext(&fc->Base);
-   if (fc->Base.IsBound) {
-      fc->Base.DeletePending = EGL_TRUE;
-   }
-   else {
+   _eglUnlinkContext(&fc->Base);
+   if (!fc->Base.IsBound)
       free(fc);
-   }
    return EGL_TRUE;
 }
 
diff --git a/src/egl/drivers/dri/egldri.c b/src/egl/drivers/dri/egldri.c
index 57661cc3ab..3f9617a8f9 100644
--- a/src/egl/drivers/dri/egldri.c
+++ b/src/egl/drivers/dri/egldri.c
@@ -171,7 +171,10 @@ _eglDRICreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
    if (!c)
       return EGL_NO_CONTEXT;
 
-   if (!_eglInitContext(drv, dpy, &c->Base, config, attrib_list)) {
+   conf = _eglLookupConfig(drv, dpy, config);
+   assert(conf);
+
+   if (!_eglInitContext(drv, &c->Base, conf, attrib_list)) {
       free(c);
       return EGL_NO_CONTEXT;
    }
@@ -189,8 +192,6 @@ _eglDRICreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
    else
       sharePriv = NULL;
 
-   conf = _eglLookupConfig(drv, dpy, config);
-   assert(conf);
    _eglConfigToContextModesRec(conf, &visMode);
 
    c->driContext.private = disp->driScreen.createNewContext(disp, &visMode,
@@ -200,8 +201,8 @@ _eglDRICreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
       return EGL_FALSE;
    }
 
-   /* generate handle and insert into hash table */
-   _eglSaveContext(&c->Base);
+   /* link to display */
+   _eglLinkContext(&c->Base, &disp->Base);
 
    return _eglGetContextHandle(&c->Base);
 }
@@ -237,14 +238,18 @@ _eglDRICreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
                             const EGLint *attrib_list)
 {
    driSurface *surf;
+   _EGLConfig *conf;
+
+   conf = _eglLookupConfig(drv, dpy, config);
+   assert(conf);
 
    surf = (driSurface *) calloc(1, sizeof(*surf));
    if (!surf) {
       return EGL_NO_SURFACE;
    }
 
-   if (!_eglInitSurface(drv, dpy, &surf->Base, EGL_PBUFFER_BIT,
-                        config, attrib_list)) {
+   if (!_eglInitSurface(drv, &surf->Base, EGL_PBUFFER_BIT,
+                        conf, attrib_list)) {
       free(surf);
       return EGL_NO_SURFACE;
    }
@@ -275,7 +280,7 @@ _eglDRICreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 #endif
    }
 
-   _eglSaveSurface(&surf->Base);
+   _eglLinkSurface(&surf->Base, _eglLookupDisplay(dpy));
 
    return surf->Base.Handle;
 }
@@ -287,16 +292,12 @@ _eglDRIDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
    driDisplay *disp = Lookup_driDisplay(dpy);
    driSurface *fs = Lookup_driSurface(surface);
 
-   _eglRemoveSurface(&fs->Base);
+   _eglUnlinkSurface(&fs->Base);
 
    fs->drawable.destroyDrawable(disp, fs->drawable.private);
 
-   if (fs->Base.IsBound) {
-      fs->Base.DeletePending = EGL_TRUE;
-   }
-   else {
+   if (!fs->Base.IsBound)
       free(fs);
-   }
    return EGL_TRUE;
 }
 
@@ -307,16 +308,12 @@ _eglDRIDestroyContext(_EGLDriver *drv, EGLDisplay dpy, EGLContext context)
    driDisplay *disp = Lookup_driDisplay(dpy);
    driContext *fc = Lookup_driContext(context);
 
-   _eglRemoveContext(&fc->Base);
+   _eglUnlinkContext(&fc->Base);
 
    fc->driContext.destroyContext(disp, 0, fc->driContext.private);
 
-   if (fc->Base.IsBound) {
-      fc->Base.DeletePending = EGL_TRUE;
-   }
-   else {
+   if (!fc->Base.IsBound)
       free(fc);
-   }
    return EGL_TRUE;
 }
 
@@ -340,13 +337,13 @@ _eglDRICreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg,
    }
 
    /* init base class, do error checking, etc. */
-   if (!_eglInitSurface(drv, dpy, &surface->Base, EGL_SCREEN_BIT_MESA,
-                        cfg, attrib_list)) {
+   if (!_eglInitSurface(drv, &surface->Base, EGL_SCREEN_BIT_MESA,
+                        config, attrib_list)) {
       free(surface);
       return EGL_NO_SURFACE;
    }
 
-   _eglSaveSurface(&surface->Base);
+   _eglLinkSurface(&surface->Base &disp->Base);
 
 
    /*
@@ -363,7 +360,7 @@ _eglDRICreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg,
    if (!disp->driScreen.createNewDrawable(disp, &visMode, drawBuf,
                                           &surface->drawable, GLX_WINDOW_BIT,
                                           empty_attribute_list)) {
-      _eglRemoveSurface(&surface->Base);
+      _eglUnlinkSurface(&surface->Base);
       free(surface);
       return EGL_NO_SURFACE;
    }
diff --git a/src/egl/drivers/glx/egl_glx.c b/src/egl/drivers/glx/egl_glx.c
index 155caa413c..207b1ea779 100644
--- a/src/egl/drivers/glx/egl_glx.c
+++ b/src/egl/drivers/glx/egl_glx.c
@@ -532,7 +532,10 @@ GLX_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
    if (!GLX_ctx)
       return EGL_NO_CONTEXT;
 
-   if (!_eglInitContext(drv, dpy, &GLX_ctx->Base, config, attrib_list)) {
+   conf = _eglLookupConfig(drv, dpy, config);
+   assert(conf);
+
+   if (!_eglInitContext(drv, &GLX_ctx->Base, conf, attrib_list)) {
       free(GLX_ctx);
       return EGL_NO_CONTEXT;
    }
@@ -546,9 +549,6 @@ GLX_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
       GLX_ctx_shared = GLX_egl_context(shareCtx);
    }
 
-   conf = _eglLookupConfig(drv, dpy, config);
-   assert(conf);
-
 #ifdef GLX_VERSION_1_3
    if (GLX_drv->fbconfigs)
       GLX_ctx->context = glXCreateNewContext(disp->Xdpy, GLX_drv->fbconfigs[(int)config-1], GLX_RGBA_TYPE, GLX_ctx_shared ? GLX_ctx_shared->context : NULL, GL_TRUE);
@@ -564,7 +564,7 @@ GLX_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
       return EGL_FALSE;
 #endif
 
-   return _eglGetContextHandle(&GLX_ctx->Base);
+   return _eglLinkContext(&GLX_ctx->Base, disp);
 }
 
 
@@ -619,18 +619,22 @@ GLX_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
    _EGLDisplay *disp = _eglLookupDisplay(dpy);
    struct GLX_egl_surface *GLX_surf;
    uint width, height;
+   _EGLConfig *conf;
+
+   conf = _eglLookupConfig(drv, dpy, config);
+   assert(conf);
 
    GLX_surf = CALLOC_STRUCT(GLX_egl_surface);
    if (!GLX_surf)
       return EGL_NO_SURFACE;
 
-   if (!_eglInitSurface(drv, dpy, &GLX_surf->Base, EGL_WINDOW_BIT,
-                        config, attrib_list)) {
+   if (!_eglInitSurface(drv, &GLX_surf->Base, EGL_WINDOW_BIT,
+                        conf, attrib_list)) {
       free(GLX_surf);
       return EGL_FALSE;
    }
 
-   _eglSaveSurface(&GLX_surf->Base);
+   _eglLinkSurface(&GLX_surf->Base, disp);
 
    GLX_surf->drawable = window;
    get_drawable_size(disp->Xdpy, window, &width, &height);
@@ -648,19 +652,23 @@ GLX_eglCreatePixmapSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
    struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
    _EGLDisplay *disp = _eglLookupDisplay(dpy);
    struct GLX_egl_surface *GLX_surf;
+   _EGLConfig *conf;
    int i;
 
+   conf = _eglLookupConfig(drv, dpy, config);
+   assert(conf);
+
    GLX_surf = CALLOC_STRUCT(GLX_egl_surface);
    if (!GLX_surf)
       return EGL_NO_SURFACE;
 
-   if (!_eglInitSurface(drv, dpy, &GLX_surf->Base, EGL_PIXMAP_BIT,
-                        config, attrib_list)) {
+   if (!_eglInitSurface(drv, &GLX_surf->Base, EGL_PIXMAP_BIT,
+                        conf, attrib_list)) {
       free(GLX_surf);
       return EGL_FALSE;
    }
 
-   _eglSaveSurface(&GLX_surf->Base);
+   _eglLinkSurface(&GLX_surf->Base, disp);
 
    for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) {
       switch (attrib_list[i]) {
@@ -683,20 +691,24 @@ GLX_eglCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
    struct GLX_egl_driver *GLX_drv = GLX_egl_driver(drv);
    _EGLDisplay *disp = _eglLookupDisplay(dpy);
    struct GLX_egl_surface *GLX_surf;
+   _EGLConfig *conf;
    int attribs[5];
    int i = 0, j = 0;
 
+   conf = _eglLookupConfig(drv, dpy, config);
+   assert(conf);
+
    GLX_surf = CALLOC_STRUCT(GLX_egl_surface);
    if (!GLX_surf)
       return EGL_NO_SURFACE;
 
-   if (!_eglInitSurface(drv, dpy, &GLX_surf->Base, EGL_PBUFFER_BIT,
-                        config, attrib_list)) {
+   if (!_eglInitSurface(drv, &GLX_surf->Base, EGL_PBUFFER_BIT,
+                        conf, attrib_list)) {
       free(GLX_surf);
       return EGL_NO_SURFACE;
    }
 
-   _eglSaveSurface(&GLX_surf->Base);
+   _eglLinkSurface(&GLX_surf->Base, disp);
 
    while(attrib_list[i] != EGL_NONE) {
       switch (attrib_list[i]) {
@@ -726,13 +738,9 @@ GLX_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
    _EGLSurface *surf = _eglLookupSurface(surface);
    return EGL_TRUE;
    if (surf) {
-      _eglHashRemove(_eglGlobal.Surfaces, (EGLuint) surface);
-      if (surf->IsBound) {
-         surf->DeletePending = EGL_TRUE;
-      }
-      else {
+      _eglUnlinkSurface(surf);
+      if (!surf->IsBound)
          free(surf);
-      }
 
       return EGL_TRUE;
    }
diff --git a/src/egl/drivers/xdri/egl_xdri.c b/src/egl/drivers/xdri/egl_xdri.c
index 3b3e312746..e040efdd43 100644
--- a/src/egl/drivers/xdri/egl_xdri.c
+++ b/src/egl/drivers/xdri/egl_xdri.c
@@ -770,7 +770,7 @@ xdri_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
    if (!xdri_ctx)
       return EGL_NO_CONTEXT;
 
-   if (!_eglInitContext(drv, dpy, &xdri_ctx->Base, config, attrib_list)) {
+   if (!_eglInitContext(drv, &xdri_ctx->Base, &xdri_config->Base, attrib_list)) {
       free(xdri_ctx);
       return EGL_NO_CONTEXT;
    }
@@ -794,7 +794,7 @@ xdri_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 
    xdri_ctx->driContext.mode = xdri_config->mode;
 
-   return _eglGetContextHandle(&xdri_ctx->Base);
+   return _eglLinkContext(&xdri_ctx->Base, &disp);
 }
 
 
@@ -835,6 +835,7 @@ xdri_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
                             NativeWindowType window, const EGLint *attrib_list)
 {
    _EGLDisplay *disp = _eglLookupDisplay(dpy);
+   struct xdri_egl_config *xdri_config = lookup_config(drv, dpy, config);
    struct xdri_egl_surface *xdri_surf;
    int scrn = DefaultScreen(disp->Xdpy);
    uint width, height;
@@ -843,8 +844,8 @@ xdri_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
    if (!xdri_surf)
       return EGL_NO_SURFACE;
 
-   if (!_eglInitSurface(drv, dpy, &xdri_surf->Base, EGL_WINDOW_BIT,
-                        config, attrib_list)) {
+   if (!_eglInitSurface(drv, &xdri_surf->Base, EGL_WINDOW_BIT,
+                        &xdri_config->Base, attrib_list)) {
       free(xdri_surf);
       return EGL_FALSE;
    }
@@ -856,7 +857,7 @@ xdri_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 
    xdri_surf->driDrawable = window;
 
-   _eglSaveSurface(&xdri_surf->Base);
+   _eglLinkSurface(&xdri_surf->Base, disp);
 
    get_drawable_size(disp->Xdpy, window, &width, &height);
    xdri_surf->Base.Width = width;
@@ -888,8 +889,8 @@ xdri_eglCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
    if (!xdri_surf)
       return EGL_NO_SURFACE;
 
-   if (!_eglInitSurface(drv, dpy, &xdri_surf->Base, EGL_PBUFFER_BIT,
-                        config, attrib_list)) {
+   if (!_eglInitSurface(drv, &xdri_surf->Base, EGL_PBUFFER_BIT,
+                        &xdri_config->Base, attrib_list)) {
       free(xdri_surf);
       return EGL_FALSE;
    }
@@ -939,7 +940,7 @@ xdri_eglCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 
    xdri_surf->driDrawable = window;
 
-   _eglSaveSurface(&xdri_surf->Base);
+   _eglLinkSurface(&xdri_surf->Base, disp);
 
    _eglLog(_EGL_DEBUG,
            "XDRI: CreatePbufferSurface handle %d  hDrawable %d",
@@ -956,11 +957,8 @@ xdri_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
 {
    struct xdri_egl_surface *xdri_surf = lookup_surface(surface);
    if (xdri_surf) {
-      _eglHashRemove(_eglGlobal.Surfaces, (EGLuint) surface);
-      if (xdri_surf->Base.IsBound) {
-         xdri_surf->Base.DeletePending = EGL_TRUE;
-      }
-      else {
+      _eglUnlinkSurface(&xdri_surf->Base);
+      if (!xdri_surf->Base.IsBound) {
          /*
          st_unreference_framebuffer(surf->Framebuffer);
          */
diff --git a/src/egl/main/Makefile b/src/egl/main/Makefile
index cddba9f088..e1ff8794b3 100644
--- a/src/egl/main/Makefile
+++ b/src/egl/main/Makefile
@@ -7,9 +7,11 @@ include $(TOP)/configs/current
 INCLUDE_DIRS = -I$(TOP)/include -I$(TOP)/src/mesa/glapi
 
 HEADERS = \
+	eglcompiler.h \
 	eglconfig.h \
 	eglconfigutil.h \
 	eglcontext.h \
+	eglcurrent.h \
 	egldefines.h \
 	egldisplay.h \
 	egldriver.h \
@@ -28,6 +30,7 @@ SOURCES = \
 	eglconfig.c \
 	eglconfigutil.c \
 	eglcontext.c \
+	eglcurrent.c \
 	egldisplay.c \
 	egldriver.c \
 	eglglobals.c \
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 9df938e188..f0a6f7f935 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -51,7 +51,12 @@ eglGetDisplay(NativeDisplayType nativeDisplay)
 {
    _EGLDisplay *dpy;
    _eglInitGlobals();
-   dpy = _eglNewDisplay(nativeDisplay);
+   dpy = _eglFindDisplay(nativeDisplay);
+   if (!dpy) {
+      dpy = _eglNewDisplay(nativeDisplay);
+      if (dpy)
+         _eglLinkDisplay(dpy);
+   }
    return _eglGetDisplayHandle(dpy);
 }
 
@@ -321,7 +326,8 @@ eglGetError(void)
 {
    _EGLThreadInfo *t = _eglGetCurrentThread();
    EGLint e = t->LastError;
-   t->LastError = EGL_SUCCESS;
+   if (!_eglIsCurrentThreadDummy())
+      t->LastError = EGL_SUCCESS;
    return e;
 }
 
@@ -546,11 +552,17 @@ eglBindAPI(EGLenum api)
 {
    _EGLThreadInfo *t = _eglGetCurrentThread();
 
+   if (_eglIsCurrentThreadDummy())
+      return _eglError(EGL_BAD_ALLOC, "eglBindAPI");
+
+   if (!_eglIsApiValid(api))
+      return _eglError(EGL_BAD_PARAMETER, "eglBindAPI");
+
    switch (api) {
 #ifdef EGL_VERSION_1_4
    case EGL_OPENGL_API:
       if (_eglGlobal.ClientAPIsMask & EGL_OPENGL_BIT) {
-         t->CurrentAPI = api;
+         t->CurrentAPIIndex = _eglConvertApiToIndex(api);
          return EGL_TRUE;
       }
       _eglError(EGL_BAD_PARAMETER, "eglBindAPI");
@@ -558,14 +570,14 @@ eglBindAPI(EGLenum api)
 #endif
    case EGL_OPENGL_ES_API:
       if (_eglGlobal.ClientAPIsMask & (EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT)) {
-         t->CurrentAPI = api;
+         t->CurrentAPIIndex = _eglConvertApiToIndex(api);
          return EGL_TRUE;
       }
       _eglError(EGL_BAD_PARAMETER, "eglBindAPI");
       return EGL_FALSE;
    case EGL_OPENVG_API:
       if (_eglGlobal.ClientAPIsMask & EGL_OPENVG_BIT) {
-         t->CurrentAPI = api;
+         t->CurrentAPIIndex = _eglConvertApiToIndex(api);
          return EGL_TRUE;
       }
       _eglError(EGL_BAD_PARAMETER, "eglBindAPI");
@@ -585,7 +597,7 @@ eglQueryAPI(void)
 {
    /* returns one of EGL_OPENGL_API, EGL_OPENGL_ES_API or EGL_OPENVG_API */
    _EGLThreadInfo *t = _eglGetCurrentThread();
-   return t->CurrentAPI;
+   return _eglConvertApiFromIndex(t->CurrentAPIIndex);
 }
 
 
@@ -603,15 +615,19 @@ eglCreatePbufferFromClientBuffer(EGLDisplay dpy, EGLenum buftype,
 EGLBoolean
 eglReleaseThread(void)
 {
-   _EGLThreadInfo *t = _eglGetCurrentThread();
-   EGLDisplay dpy = eglGetCurrentDisplay();
+   EGLDisplay dpy;
+
+   if (_eglIsCurrentThreadDummy())
+      return EGL_TRUE;
+
+   dpy = eglGetCurrentDisplay();
    if (dpy) {
       _EGLDriver *drv = _eglLookupDriver(dpy);
       /* unbind context */
       (void) drv->API.MakeCurrent(drv, dpy, EGL_NO_SURFACE,
                                   EGL_NO_SURFACE, EGL_NO_CONTEXT);
    }
-   _eglDeleteThreadData(t);
+   _eglDestroyCurrentThread();
    return EGL_TRUE;
 }
 
diff --git a/src/egl/main/eglcompiler.h b/src/egl/main/eglcompiler.h
new file mode 100644
index 0000000000..0b19afedfd
--- /dev/null
+++ b/src/egl/main/eglcompiler.h
@@ -0,0 +1,31 @@
+#ifndef EGLCOMPILER_INCLUDED
+#define EGLCOMPILER_INCLUDED
+
+
+/**
+ * Function inlining
+ */
+#if defined(__GNUC__)
+#  define INLINE __inline__
+#elif defined(__MSC__)
+#  define INLINE __inline
+#elif defined(_MSC_VER)
+#  define INLINE __inline
+#elif defined(__ICL)
+#  define INLINE __inline
+#elif defined(__INTEL_COMPILER)
+#  define INLINE inline
+#elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100)
+#  define INLINE __inline
+#elif defined(__SUNPRO_C) && defined(__C99FEATURES__)
+#  define INLINE inline
+#  define __inline inline
+#  define __inline__ inline
+#elif (__STDC_VERSION__ >= 199901L) /* C99 */
+#  define INLINE inline
+#else
+#  define INLINE
+#endif
+
+
+#endif /* EGLCOMPILER_INCLUDED */
diff --git a/src/egl/main/eglcontext.c b/src/egl/main/eglcontext.c
index 461679db09..9ab4286d3a 100644
--- a/src/egl/main/eglcontext.c
+++ b/src/egl/main/eglcontext.c
@@ -14,11 +14,9 @@
  * in the attrib_list.
  */
 EGLBoolean
-_eglInitContext(_EGLDriver *drv, EGLDisplay dpy, _EGLContext *ctx,
-                EGLConfig config, const EGLint *attrib_list)
+_eglInitContext(_EGLDriver *drv, _EGLContext *ctx,
+                _EGLConfig *conf, const EGLint *attrib_list)
 {
-   _EGLConfig *conf;
-   _EGLDisplay *display = _eglLookupDisplay(dpy);
    EGLint i;
    const EGLenum api = eglQueryAPI();
 
@@ -27,7 +25,6 @@ _eglInitContext(_EGLDriver *drv, EGLDisplay dpy, _EGLContext *ctx,
       return EGL_FALSE;
    }
 
-   conf = _eglLookupConfig(drv, dpy, config);
    if (!conf) {
       _eglError(EGL_BAD_CONFIG, "_eglInitContext");
       return EGL_FALSE;
@@ -49,7 +46,6 @@ _eglInitContext(_EGLDriver *drv, EGLDisplay dpy, _EGLContext *ctx,
       }
    }
 
-   ctx->Display = display;
    ctx->Config = conf;
    ctx->DrawSurface = EGL_NO_SURFACE;
    ctx->ReadSurface = EGL_NO_SURFACE;
@@ -60,66 +56,6 @@ _eglInitContext(_EGLDriver *drv, EGLDisplay dpy, _EGLContext *ctx,
 
 
 /**
- * Save a new _EGLContext into the hash table.
- */
-void
-_eglSaveContext(_EGLContext *ctx)
-{
-   /* no-op.
-    * Public EGLContext handle and private _EGLContext are the same.
-    */
-}
-
-
-/**
- * Remove the given _EGLContext object from the hash table.
- */
-void
-_eglRemoveContext(_EGLContext *ctx)
-{
-   /* no-op.
-    * Public EGLContext handle and private _EGLContext are the same.
-    */
-}
-
-
-/**
- * Return the public handle for the given private context ptr.
- * This is the inverse of _eglLookupContext().
- */
-EGLContext
-_eglGetContextHandle(_EGLContext *ctx)
-{
-   /* just a cast! */
-   return (EGLContext) ctx;
-}
-
-
-/**
- * Return the _EGLContext object that corresponds to the given
- * EGLContext handle.
- * This is the inverse of _eglGetContextHandle().
- */
-_EGLContext *
-_eglLookupContext(EGLContext ctx)
-{
-   /* just a cast since EGLContext is just a void ptr */
-   return (_EGLContext *) ctx;
-}
-
-
-/**
- * Return the currently bound _EGLContext object, or NULL.
- */
-_EGLContext *
-_eglGetCurrentContext(void)
-{
-   _EGLThreadInfo *t = _eglGetCurrentThread();
-   return t->CurrentContext;
-}
-
-
-/**
  * Just a placeholder/demo function.  Real driver will never use this!
  */
 EGLContext
@@ -128,18 +64,24 @@ _eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 {
 #if 0 /* example code */
    _EGLContext *context;
+   _EGLConfig *conf;
+
+   conf = _eglLookupConfig(drv, dpy, config);
+   if (!conf) {
+      _eglError(EGL_BAD_CONFIG, "eglCreateContext");
+      return EGL_NO_CONTEXT;
+   }
 
    context = (_EGLContext *) calloc(1, sizeof(_EGLContext));
    if (!context)
       return EGL_NO_CONTEXT;
 
-   if (!_eglInitContext(drv, dpy, context, config, attrib_list)) {
+   if (!_eglInitContext(drv, context, conf, attrib_list)) {
       free(context);
       return EGL_NO_CONTEXT;
    }
 
-   _eglSaveContext(context);
-   return (EGLContext) context;
+   return _eglLinkContext(context, _eglLookupDisplay(dpy));
 #endif
    return EGL_NO_CONTEXT;
 }
@@ -153,12 +95,9 @@ _eglDestroyContext(_EGLDriver *drv, EGLDisplay dpy, EGLContext ctx)
 {
    _EGLContext *context = _eglLookupContext(ctx);
    if (context) {
-      if (context->IsBound) {
-         context->DeletePending = EGL_TRUE;
-      }
-      else {
+      _eglUnlinkContext(context);
+      if (!context->IsBound)
          free(context);
-      }
       return EGL_TRUE;
    }
    else {
@@ -203,7 +142,7 @@ _eglQueryContext(_EGLDriver *drv, EGLDisplay dpy, EGLContext ctx,
 
 /**
  * Drivers will typically call this to do the error checking and
- * update the various IsBound and DeletePending flags.
+ * update the various flags.
  * Then, the driver will do its device-dependent Make-Current stuff.
  */
 EGLBoolean
@@ -214,10 +153,13 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
    _EGLContext *ctx = _eglLookupContext(context);
    _EGLSurface *draw = _eglLookupSurface(d);
    _EGLSurface *read = _eglLookupSurface(r);
+   _EGLContext *oldContext = NULL;
+   _EGLSurface *oldDrawSurface = NULL;
+   _EGLSurface *oldReadSurface = NULL;
+   EGLint apiIndex;
 
-   _EGLContext *oldContext = _eglGetCurrentContext();
-   _EGLSurface *oldDrawSurface = _eglGetCurrentSurface(EGL_DRAW);
-   _EGLSurface *oldReadSurface = _eglGetCurrentSurface(EGL_READ);
+   if (_eglIsCurrentThreadDummy())
+      return _eglError(EGL_BAD_ALLOC, "eglMakeCurrent");
 
    /* error checking */
    if (ctx) {
@@ -233,6 +175,32 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
          _eglError(EGL_BAD_MATCH, "eglMakeCurrent");
          return EGL_FALSE;
       }
+
+#ifdef EGL_VERSION_1_4
+      /* OpenGL and OpenGL ES are conflicting */
+      switch (ctx->ClientAPI) {
+      case EGL_OPENGL_ES_API:
+         if (t->CurrentContexts[_eglConvertApiToIndex(EGL_OPENGL_API)])
+            return _eglError(EGL_BAD_ACCESS, "eglMakeCurrent");
+         break;
+      case EGL_OPENGL_API:
+         if (t->CurrentContexts[_eglConvertApiToIndex(EGL_OPENGL_ES_API)])
+            return _eglError(EGL_BAD_ACCESS, "eglMakeCurrent");
+         break;
+      default:
+         break;
+      }
+#endif
+      apiIndex = _eglConvertApiToIndex(ctx->ClientAPI);
+   }
+   else {
+      apiIndex = t->CurrentAPIIndex;
+   }
+
+   oldContext = t->CurrentContexts[apiIndex];
+   if (oldContext) {
+      oldDrawSurface = oldContext->DrawSurface;
+      oldReadSurface = oldContext->ReadSurface;
    }
 
    /*
@@ -240,7 +208,7 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
     */
    if (oldDrawSurface != NULL) {
       oldDrawSurface->IsBound = EGL_FALSE;
-      if (oldDrawSurface->DeletePending) {
+      if (!_eglIsSurfaceLinked(oldDrawSurface)) {
          /* make sure we don't try to rebind a deleted surface */
          if (draw == oldDrawSurface || draw == oldReadSurface) {
             draw = NULL;
@@ -251,7 +219,7 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
    }
    if (oldReadSurface != NULL && oldReadSurface != oldDrawSurface) {
       oldReadSurface->IsBound = EGL_FALSE;
-      if (oldReadSurface->DeletePending) {
+      if (!_eglIsSurfaceLinked(oldReadSurface)) {
          /* make sure we don't try to rebind a deleted surface */
          if (read == oldDrawSurface || read == oldReadSurface) {
             read = NULL;
@@ -262,7 +230,7 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
    }
    if (oldContext != NULL) {
       oldContext->IsBound = EGL_FALSE;
-      if (oldContext->DeletePending) {
+      if (!_eglIsContextLinked(oldContext)) {
          /* make sure we don't try to rebind a deleted context */
          if (ctx == oldContext) {
             ctx = NULL;
@@ -283,9 +251,11 @@ _eglMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface d,
       ctx->IsBound = EGL_TRUE;
       draw->IsBound = EGL_TRUE;
       read->IsBound = EGL_TRUE;
+      t->CurrentContexts[apiIndex] = ctx;
+   }
+   else {
+      t->CurrentContexts[apiIndex] = NULL;
    }
-
-   t->CurrentContext = ctx;
 
    return EGL_TRUE;
 }
diff --git a/src/egl/main/eglcontext.h b/src/egl/main/eglcontext.h
index 34fee9c637..2fb28d38b9 100644
--- a/src/egl/main/eglcontext.h
+++ b/src/egl/main/eglcontext.h
@@ -11,7 +11,9 @@
  */
 struct _egl_context
 {
-   _EGLDisplay *Display; /* who do I belong to? */
+   /* Managed by EGLDisplay for linking */
+   _EGLDisplay *Display;
+   _EGLContext *Next;
 
    _EGLConfig *Config;
 
@@ -19,7 +21,6 @@ struct _egl_context
    _EGLSurface *ReadSurface;
 
    EGLBoolean IsBound;
-   EGLBoolean DeletePending;
 
    EGLint ClientAPI; /**< EGL_OPENGL_ES_API, EGL_OPENGL_API, EGL_OPENVG_API */
    EGLint ClientVersion; /**< 1 = OpenGLES 1.x, 2 = OpenGLES 2.x */
@@ -27,28 +28,8 @@ struct _egl_context
 
 
 extern EGLBoolean
-_eglInitContext(_EGLDriver *drv, EGLDisplay dpy, _EGLContext *ctx,
-                EGLConfig config, const EGLint *attrib_list);
-
-
-extern void
-_eglSaveContext(_EGLContext *ctx);
-
-
-extern void
-_eglRemoveContext(_EGLContext *ctx);
-
-
-extern EGLContext
-_eglGetContextHandle(_EGLContext *ctx);
-
-
-extern _EGLContext *
-_eglLookupContext(EGLContext ctx);
- 
-
-extern _EGLContext *
-_eglGetCurrentContext(void);
+_eglInitContext(_EGLDriver *drv, _EGLContext *ctx,
+                _EGLConfig *config, const EGLint *attrib_list);
 
 
 extern EGLContext
diff --git a/src/egl/main/egldisplay.c b/src/egl/main/egldisplay.c
index 47a2323eaf..89de609d0b 100644
--- a/src/egl/main/egldisplay.c
+++ b/src/egl/main/egldisplay.c
@@ -7,6 +7,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include "eglcontext.h"
+#include "eglsurface.h"
 #include "egldisplay.h"
 #include "egldriver.h"
 #include "eglglobals.h"
@@ -25,11 +26,6 @@ _eglNewDisplay(NativeDisplayType nativeDisplay)
 {
    _EGLDisplay *dpy = (_EGLDisplay *) calloc(1, sizeof(_EGLDisplay));
    if (dpy) {
-      EGLuint key = _eglHashGenKey(_eglGlobal.Displays);
-
-      dpy->Handle = (EGLDisplay) key;
-      _eglHashInsert(_eglGlobal.Displays, key, dpy);
-
       dpy->NativeDisplay = nativeDisplay;
 #if defined(_EGL_PLATFORM_X)
       dpy->Xdpy = (Display *) nativeDisplay;
@@ -46,8 +42,37 @@ _eglNewDisplay(NativeDisplayType nativeDisplay)
 
 
 /**
- * Return the public handle for an internal _EGLDisplay.
- * This is the inverse of _eglLookupDisplay().
+ * Link a display to itself and return the handle of the link.
+ * The handle can be passed to client directly.
+ */
+EGLDisplay
+_eglLinkDisplay(_EGLDisplay *dpy)
+{
+   EGLuint key;
+   key = _eglHashGenKey(_eglGlobal.Displays);
+   assert(key);
+   /* "link" the display to the hash table */
+   _eglHashInsert(_eglGlobal.Displays, key, dpy);
+   dpy->Handle = (EGLDisplay) key;
+
+   return dpy->Handle;
+}
+
+
+/**
+ * Unlink a linked display from itself.
+ * Accessing an unlinked display should generate EGL_BAD_DISPLAY error.
+ */
+void
+_eglUnlinkDisplay(_EGLDisplay *dpy)
+{
+   _eglHashRemove(_eglGlobal.Displays, (EGLuint) dpy->Handle);
+   dpy->Handle = EGL_NO_DISPLAY;
+}
+
+
+/**
+ * Return the handle of a linked display, or EGL_NO_DISPLAY.
  */
 EGLDisplay
 _eglGetDisplayHandle(_EGLDisplay *display)
@@ -60,40 +85,70 @@ _eglGetDisplayHandle(_EGLDisplay *display)
 
  
 /**
- * Return the _EGLDisplay object that corresponds to the given public/
- * opaque display handle.
- * This is the inverse of _eglGetDisplayHandle().
+ * Lookup a handle to find the linked display.
+ * Return NULL if the handle has no corresponding linked display.
  */
 _EGLDisplay *
 _eglLookupDisplay(EGLDisplay dpy)
 {
    EGLuint key = (EGLuint) dpy;
-   if (!_eglGlobal.Displays)
-      return NULL;
    return (_EGLDisplay *) _eglHashLookup(_eglGlobal.Displays, key);
 }
 
 
-void
-_eglSaveDisplay(_EGLDisplay *dpy)
+/**
+ * Find the display corresponding to the specified native display id in all
+ * linked displays.
+ */
+_EGLDisplay *
+_eglFindDisplay(NativeDisplayType nativeDisplay)
 {
-   EGLuint key = _eglHashGenKey(_eglGlobal.Displays);
-   assert(dpy);
-   assert(!dpy->Handle);
-   dpy->Handle = (EGLDisplay) key;
-   assert(dpy->Handle);
-   _eglHashInsert(_eglGlobal.Displays, key, dpy);
+   EGLuint key = _eglHashFirstEntry(_eglGlobal.Displays);
+
+   /* Walk the hash table.  Should switch to list if it is a problem. */
+   while (key) {
+      _EGLDisplay *dpy = (_EGLDisplay *)
+            _eglHashLookup(_eglGlobal.Displays, key);
+      assert(dpy);
+
+      if (dpy->NativeDisplay == nativeDisplay)
+         return dpy;
+      key = _eglHashNextEntry(_eglGlobal.Displays, key);
+   }
+
+   return NULL;
 }
 
 
-_EGLDisplay *
-_eglGetCurrentDisplay(void)
+/**
+ * Destroy the contexts and surfaces that are linked to the display.
+ */
+void
+_eglReleaseDisplayResources(_EGLDriver *drv, EGLDisplay dpy)
 {
-   _EGLContext *ctx = _eglGetCurrentContext();
-   if (ctx)
-      return ctx->Display;
-   else
-      return NULL;
+   _EGLDisplay *display;
+   _EGLContext *contexts;
+   _EGLSurface *surfaces;
+
+   display = _eglLookupDisplay(dpy);
+   if (!display)
+      return;
+   contexts = display->ContextList;
+   surfaces = display->SurfaceList;
+
+   while (contexts) {
+      EGLContext handle = _eglGetContextHandle(contexts);
+      contexts = contexts->Next;
+      drv->API.DestroyContext(drv, dpy, handle);
+   }
+   assert(!display->ContextList);
+
+   while (surfaces) {
+      EGLSurface handle = _eglGetSurfaceHandle(surfaces);
+      surfaces = surfaces->Next;
+      drv->API.DestroySurface(drv, dpy, handle);
+   }
+   assert(!display->SurfaceList);
 }
 
 
@@ -119,3 +174,147 @@ _eglCleanupDisplay(_EGLDisplay *disp)
 
    /* driver deletes the _EGLDisplay object */
 }
+
+
+/**
+ * Link a context to a display and return the handle of the link.
+ * The handle can be passed to client directly.
+ */
+EGLContext
+_eglLinkContext(_EGLContext *ctx, _EGLDisplay *dpy)
+{
+   ctx->Display = dpy;
+   ctx->Next = dpy->ContextList;
+   dpy->ContextList = ctx;
+   return (EGLContext) ctx;
+}
+
+
+/**
+ * Unlink a linked context from its display.
+ * Accessing an unlinked context should generate EGL_BAD_CONTEXT error.
+ */
+void
+_eglUnlinkContext(_EGLContext *ctx)
+{
+   _EGLContext *prev;
+
+   prev = ctx->Display->ContextList;
+   if (prev != ctx) {
+      while (prev) {
+         if (prev->Next == ctx)
+            break;
+         prev = prev->Next;
+      }
+      assert(prev);
+      prev->Next = ctx->Next;
+   }
+   else {
+      ctx->Display->ContextList = ctx->Next;
+   }
+
+   ctx->Next = NULL;
+   ctx->Display = NULL;
+}
+
+
+/**
+ * Return the handle of a linked context, or EGL_NO_CONTEXT.
+ */
+EGLContext
+_eglGetContextHandle(_EGLContext *ctx)
+{
+   return (EGLContext) (ctx && ctx->Display) ? ctx : EGL_NO_CONTEXT;
+}
+
+
+/**
+ * Lookup a handle to find the linked context.
+ * Return NULL if the handle has no corresponding linked context.
+ */
+_EGLContext *
+_eglLookupContext(EGLContext ctx)
+{
+   _EGLContext *context = (_EGLContext *) ctx;
+   return (context && context->Display) ? context : NULL;
+}
+
+
+/**
+ * Link a surface to a display and return the handle of the link.
+ * The handle can be passed to client directly.
+ */
+EGLSurface
+_eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy)
+{
+   EGLuint key;
+
+   surf->Display = dpy;
+   surf->Next = dpy->SurfaceList;
+   dpy->SurfaceList = surf;
+
+   key = _eglHashGenKey(_eglGlobal.Surfaces);
+   assert(key);
+   _eglHashInsert(_eglGlobal.Surfaces, key, surf);
+
+   surf->Handle = (EGLSurface) key;
+   return surf->Handle;
+}
+
+
+/**
+ * Unlink a linked surface from its display.
+ * Accessing an unlinked surface should generate EGL_BAD_SURFACE error.
+ */
+void
+_eglUnlinkSurface(_EGLSurface *surf)
+{
+   _EGLSurface *prev;
+
+   _eglHashRemove(_eglGlobal.Surfaces, (EGLuint) surf->Handle);
+   surf->Handle = EGL_NO_SURFACE;
+
+   prev = surf->Display->SurfaceList;
+   if (prev != surf) {
+      while (prev) {
+         if (prev->Next == surf)
+            break;
+         prev = prev->Next;
+      }
+      assert(prev);
+      prev->Next = surf->Next;
+   }
+   else {
+      prev = NULL;
+      surf->Display->SurfaceList = surf->Next;
+   }
+
+   surf->Next = NULL;
+   surf->Display = NULL;
+}
+
+
+/**
+ * Return the handle of a linked surface, or EGL_NO_SURFACE.
+ */
+EGLSurface
+_eglGetSurfaceHandle(_EGLSurface *surface)
+{
+   if (surface)
+      return surface->Handle;
+   else
+      return EGL_NO_SURFACE;
+}
+
+
+/**
+ * Lookup a handle to find the linked surface.
+ * Return NULL if the handle has no corresponding linked surface.
+ */
+_EGLSurface *
+_eglLookupSurface(EGLSurface surf)
+{
+   _EGLSurface *c = (_EGLSurface *) _eglHashLookup(_eglGlobal.Surfaces,
+                                                   (EGLuint) surf);
+   return c;
+}
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index ff623ee1c6..372ed3cd79 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -23,6 +23,9 @@ struct _egl_display
    EGLint NumConfigs;
    _EGLConfig **Configs;  /* array [NumConfigs] of ptr to _EGLConfig */
 
+   /* lists of linked contexts and surface */
+   _EGLContext *ContextList;
+   _EGLSurface *SurfaceList;
 #ifdef _EGL_PLATFORM_X
    Display *Xdpy;
 #endif
@@ -33,7 +36,15 @@ extern _EGLDisplay *
 _eglNewDisplay(NativeDisplayType displayName);
 
 
-EGLDisplay
+extern EGLDisplay
+_eglLinkDisplay(_EGLDisplay *dpy);
+
+
+extern void
+_eglUnlinkDisplay(_EGLDisplay *dpy);
+
+
+extern EGLDisplay
 _eglGetDisplayHandle(_EGLDisplay *display);
 
 
@@ -41,21 +52,77 @@ extern _EGLDisplay *
 _eglLookupDisplay(EGLDisplay dpy);
 
 
-extern void
-_eglSaveDisplay(_EGLDisplay *dpy);
+/**
+ * Return true if the display is linked.
+ */
+static INLINE EGLBoolean
+_eglIsDisplayLinked(_EGLDisplay *dpy)
+{
+   return (EGLBoolean) (_eglGetDisplayHandle(dpy) != EGL_NO_DISPLAY);
+}
 
 
 extern _EGLDisplay *
-_eglGetCurrentDisplay(void);
+_eglFindDisplay(NativeDisplayType nativeDisplay);
+
+
+extern void
+_eglReleaseDisplayResources(_EGLDriver *drv, EGLDisplay dpy);
 
 
 extern void
 _eglCleanupDisplay(_EGLDisplay *disp);
 
 
-extern EGLBoolean 
-_eglQueryDisplayMESA(_EGLDriver *drv, EGLDisplay dpy, EGLint attrib, EGLint *value);
+extern EGLContext
+_eglLinkContext(_EGLContext *ctx, _EGLDisplay *dpy);
+
+
+extern void
+_eglUnlinkContext(_EGLContext *ctx);
+
+
+extern EGLContext
+_eglGetContextHandle(_EGLContext *ctx);
 
 
+extern _EGLContext *
+_eglLookupContext(EGLContext ctx);
+
+
+/**
+ * Return true if the context is linked to a display.
+ */
+static INLINE EGLBoolean
+_eglIsContextLinked(_EGLContext *ctx)
+{
+   return (EGLBoolean) (_eglGetContextHandle(ctx) != EGL_NO_CONTEXT);
+}
+
+extern EGLSurface
+_eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy);
+
+
+extern void
+_eglUnlinkSurface(_EGLSurface *surf);
+
+
+extern EGLSurface
+_eglGetSurfaceHandle(_EGLSurface *);
+
+
+extern _EGLSurface *
+_eglLookupSurface(EGLSurface surf);
+
+
+/**
+ * Return true if the surface is linked to a display.
+ */
+static INLINE EGLBoolean
+_eglIsSurfaceLinked(_EGLSurface *surf)
+{
+   return (EGLBoolean) (_eglGetSurfaceHandle(surf) != EGL_NO_SURFACE);
+}
+
 
 #endif /* EGLDISPLAY_INCLUDED */
diff --git a/src/egl/main/egldriver.c b/src/egl/main/egldriver.c
index 43b1f51903..f2a864cd8a 100644
--- a/src/egl/main/egldriver.c
+++ b/src/egl/main/egldriver.c
@@ -284,9 +284,7 @@ _eglCloseDriver(_EGLDriver *drv, EGLDisplay dpy)
 
    _eglLog(_EGL_DEBUG, "Closing %s", drv->Name);
 
-   /*
-    * XXX check for currently bound context/surfaces and delete them?
-    */
+   _eglReleaseDisplayResources(drv, dpy);
 
    b = drv->API.Terminate(drv, dpy);
 
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);
-   }
-}
diff --git a/src/egl/main/eglglobals.h b/src/egl/main/eglglobals.h
index 14d8ea487a..a9443cfbdd 100644
--- a/src/egl/main/eglglobals.h
+++ b/src/egl/main/eglglobals.h
@@ -3,17 +3,7 @@
 
 #include "egltypedefs.h"
 #include "eglhash.h"
-
-
-/**
- * Per-thread info
- */
-struct _egl_thread_info
-{
-   EGLint LastError;
-   _EGLContext *CurrentContext;
-   EGLenum CurrentAPI;
-};
+#include "eglcurrent.h"
 
 
 /**
@@ -23,6 +13,7 @@ struct _egl_global
 {
    EGLBoolean Initialized;
 
+   /* these are private to egldisplay.c */
    _EGLHashtable *Displays;
    _EGLHashtable *Surfaces;
 
@@ -33,9 +24,6 @@ struct _egl_global
 
    char ClientAPIs[1000];   /**< updated by eglQueryString */
 
-   /* XXX temporary - should be thread-specific data (TSD) */
-   _EGLThreadInfo *ThreadInfo;
-
    EGLint NumDrivers;
    _EGLDriver *Drivers[10];
 };
@@ -52,20 +40,4 @@ extern void
 _eglDestroyGlobals(void);
 
 
-extern _EGLThreadInfo *
-_eglNewThreadInfo(void);
-
-
-extern void
-_eglDeleteThreadData(_EGLThreadInfo *t);
-
-
-extern _EGLThreadInfo *
-_eglGetCurrentThread(void);
-
-
-extern void
-_eglError(EGLint errCode, const char *msg);
-
-
 #endif /* EGLGLOBALS_INCLUDED */
diff --git a/src/egl/main/eglscreen.c b/src/egl/main/eglscreen.c
index 9c9a8377bf..b6bde65e8b 100644
--- a/src/egl/main/eglscreen.c
+++ b/src/egl/main/eglscreen.c
@@ -128,20 +128,25 @@ _eglCreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 {
 #if 0 /* THIS IS JUST EXAMPLE CODE */
    _EGLSurface *surf;
+   _EGLConfig *conf;
+
+   conf = _eglLookupConfig(drv, dpy, config);
+   if (!conf) {
+      _eglError(EGL_BAD_CONFIG, "eglCreateScreenSurfaceMESA");
+      return EGL_NO_SURFACE;
+   }
 
    surf = (_EGLSurface *) calloc(1, sizeof(_EGLSurface));
    if (!surf)
       return EGL_NO_SURFACE;
 
-   if (!_eglInitSurface(drv, dpy, surf, EGL_SCREEN_BIT_MESA,
-                        config, attrib_list)) {
+   if (!_eglInitSurface(drv, surf, EGL_SCREEN_BIT_MESA,
+                        conf, attrib_list)) {
       free(surf);
       return EGL_NO_SURFACE;
    }
 
-   _eglSaveSurface(surf);
-
-   return surf->Handle;
+   return _eglLinkSurface(surf, _eglLookupDisplay(dpy));
 #endif
    return EGL_NO_SURFACE;
 }
diff --git a/src/egl/main/eglsurface.c b/src/egl/main/eglsurface.c
index 6905acac50..9821e63628 100644
--- a/src/egl/main/eglsurface.c
+++ b/src/egl/main/eglsurface.c
@@ -6,6 +6,7 @@
 #include <assert.h>
 #include <stdlib.h>
 #include <string.h>
+#include "egldisplay.h"
 #include "eglcontext.h"
 #include "eglconfig.h"
 #include "egldriver.h"
@@ -20,12 +21,10 @@
  * \return EGL_TRUE if no errors, EGL_FALSE otherwise.
  */
 EGLBoolean
-_eglInitSurface(_EGLDriver *drv, EGLDisplay dpy,
-                _EGLSurface *surf, EGLint type, EGLConfig config,
-                const EGLint *attrib_list)
+_eglInitSurface(_EGLDriver *drv, _EGLSurface *surf, EGLint type,
+                _EGLConfig *conf, const EGLint *attrib_list)
 {
    const char *func;
-   _EGLConfig *conf;
    EGLint width = 0, height = 0, largest = 0;
    EGLint texFormat = 0, texTarget = 0, mipmapTex = 0;
    EGLint renderBuffer = EGL_BACK_BUFFER;
@@ -55,7 +54,6 @@ _eglInitSurface(_EGLDriver *drv, EGLDisplay dpy,
       return EGL_FALSE;
    }
 
-   conf = _eglLookupConfig(drv, dpy, config);
    if (!conf) {
       _eglError(EGL_BAD_CONFIG, func);
       return EGL_FALSE;
@@ -211,72 +209,6 @@ _eglInitSurface(_EGLDriver *drv, EGLDisplay dpy,
 }
 
 
-void
-_eglSaveSurface(_EGLSurface *surf)
-{
-   EGLuint key = _eglHashGenKey(_eglGlobal.Surfaces);
-   assert(surf);
-   assert(!surf->Handle);
-   surf->Handle = (EGLSurface) key;
-   assert(surf->Handle);
-   _eglHashInsert(_eglGlobal.Surfaces, key, surf);
-}
-
-
-void
-_eglRemoveSurface(_EGLSurface *surf)
-{
-   _eglHashRemove(_eglGlobal.Surfaces, (EGLuint) surf->Handle);
-}
-
-
-
-/**
- * Return the public handle for an internal _EGLSurface.
- * This is the inverse of _eglLookupSurface().
- */
-EGLSurface
-_eglGetSurfaceHandle(_EGLSurface *surface)
-{
-   if (surface)
-      return surface->Handle;
-   else
-      return EGL_NO_SURFACE;
-}
-
-
-/**
- * Return the private _EGLSurface which corresponds to a public EGLSurface
- * handle.
- * This is the inverse of _eglGetSurfaceHandle().
- */
-_EGLSurface *
-_eglLookupSurface(EGLSurface surf)
-{
-   _EGLSurface *c = (_EGLSurface *) _eglHashLookup(_eglGlobal.Surfaces,
-                                                   (EGLuint) surf);
-   return c;
-}
-
-
-_EGLSurface *
-_eglGetCurrentSurface(EGLint readdraw)
-{
-   _EGLContext *ctx = _eglGetCurrentContext();
-   if (ctx) {
-      switch (readdraw) {
-      case EGL_DRAW:
-         return ctx->DrawSurface;
-      case EGL_READ:
-         return ctx->ReadSurface;
-      default:
-         return NULL;
-      }
-   }
-   return NULL;
-}
-
-
 EGLBoolean
 _eglSwapBuffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw)
 {
@@ -385,19 +317,24 @@ _eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 {
 #if 0 /* THIS IS JUST EXAMPLE CODE */
    _EGLSurface *surf;
+   _EGLConfig *conf;
+
+   conf = _eglLookupConfig(drv, dpy, config);
+   if (!conf) {
+      _eglError(EGL_BAD_CONFIG, "eglCreateWindowSurface");
+      return EGL_NO_SURFACE;
+   }
 
    surf = (_EGLSurface *) calloc(1, sizeof(_EGLSurface));
    if (!surf)
       return EGL_NO_SURFACE;
 
-   if (!_eglInitSurface(drv, dpy, surf, EGL_WINDOW_BIT, config, attrib_list)) {
+   if (!_eglInitSurface(drv, surf, EGL_WINDOW_BIT, conf, attrib_list)) {
       free(surf);
       return EGL_NO_SURFACE;
    }
 
-   _eglSaveSurface(surf);
-
-   return surf->Handle;
+   return _eglLinkSurface(surf, _eglLookupDisplay(dpy));
 #endif
    return EGL_NO_SURFACE;
 }
@@ -412,19 +349,24 @@ _eglCreatePixmapSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 {
 #if 0 /* THIS IS JUST EXAMPLE CODE */
    _EGLSurface *surf;
+   _EGLConfig *conf;
+
+   conf = _eglLookupConfig(drv, dpy, config);
+   if (!conf) {
+      _eglError(EGL_BAD_CONFIG, "eglCreatePixmapSurface");
+      return EGL_NO_SURFACE;
+   }
 
    surf = (_EGLSurface *) calloc(1, sizeof(_EGLSurface));
    if (!surf)
       return EGL_NO_SURFACE;
 
-   if (!_eglInitSurface(drv, dpy, surf, EGL_PIXMAP_BIT, config, attrib_list)) {
+   if (!_eglInitSurface(drv, surf, EGL_PIXMAP_BIT, conf, attrib_list)) {
       free(surf);
       return EGL_NO_SURFACE;
    }
 
-   _eglSaveSurface(surf);
-
-   return surf->Handle;
+   return _eglLinkSurface(surf, _eglLookupDisplay(dpy));
 #endif
    return EGL_NO_SURFACE;
 }
@@ -439,19 +381,24 @@ _eglCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 {
 #if 0 /* THIS IS JUST EXAMPLE CODE */
    _EGLSurface *surf;
+   _EGLConfig *conf;
+
+   conf = _eglLookupConfig(drv, dpy, config);
+   if (!conf) {
+      _eglError(EGL_BAD_CONFIG, "eglCreatePbufferSurface");
+      return EGL_NO_SURFACE;
+   }
 
    surf = (_EGLSurface *) calloc(1, sizeof(_EGLSurface));
    if (!surf)
       return EGL_NO_SURFACE;
 
-   if (!_eglInitSurface(drv, dpy, surf, EGL_PBUFFER_BIT, config, attrib_list)) {
+   if (!_eglInitSurface(drv, surf, EGL_PBUFFER_BIT, conf, attrib_list)) {
       free(surf);
       return EGL_NO_SURFACE;
    }
 
-   _eglSaveSurface(surf);
-
-   return surf->Handle;
+   return _eglLinkSurface(surf, _eglLookupDisplay(dpy));
 #endif
    return EGL_NO_SURFACE;
 }
@@ -465,13 +412,9 @@ _eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
 {
    _EGLSurface *surf = _eglLookupSurface(surface);
    if (surf) {
-      _eglHashRemove(_eglGlobal.Surfaces, (EGLuint) surface);
-      if (surf->IsBound) {
-         surf->DeletePending = EGL_TRUE;
-      }
-      else {
+      _eglUnlinkSurface(surf);
+      if (!surf->IsBound)
          free(surf);
-      }
       return EGL_TRUE;
    }
    else {
diff --git a/src/egl/main/eglsurface.h b/src/egl/main/eglsurface.h
index 50f965b5cb..f9413eb9d7 100644
--- a/src/egl/main/eglsurface.h
+++ b/src/egl/main/eglsurface.h
@@ -10,12 +10,15 @@
  */
 struct _egl_surface
 {
-   EGLSurface Handle;  /* The public/opaque handle which names this object */
+   /* Managed by EGLDisplay for linking */
+   _EGLDisplay *Display;
+   _EGLSurface *Next;
+   EGLSurface Handle;
+
    _EGLConfig *Config;
 
    /* May need reference counting here */
    EGLBoolean IsBound;
-   EGLBoolean DeletePending;
    EGLBoolean BoundToTexture;
 
    EGLint Type; /* one of EGL_WINDOW_BIT, EGL_PIXMAP_BIT or EGL_PBUFFER_BIT */
@@ -39,29 +42,8 @@ struct _egl_surface
 
 
 extern EGLBoolean
-_eglInitSurface(_EGLDriver *drv, EGLDisplay dpy,
-                _EGLSurface *surf, EGLint type, EGLConfig config,
-                const EGLint *attrib_list);
-
-
-extern void
-_eglSaveSurface(_EGLSurface *surf);
-
-
-extern void
-_eglRemoveSurface(_EGLSurface *surf);
-
-
-extern EGLSurface
-_eglGetSurfaceHandle(_EGLSurface *surface);
-
-
-extern _EGLSurface *
-_eglLookupSurface(EGLSurface surf);
- 
-
-extern _EGLSurface *
-_eglGetCurrentSurface(EGLint readdraw);
+_eglInitSurface(_EGLDriver *drv, _EGLSurface *surf, EGLint type,
+                _EGLConfig *config, const EGLint *attrib_list);
 
 
 extern EGLBoolean
diff --git a/src/egl/main/egltypedefs.h b/src/egl/main/egltypedefs.h
index 9fbc55352c..0a770dec0c 100644
--- a/src/egl/main/egltypedefs.h
+++ b/src/egl/main/egltypedefs.h
@@ -6,6 +6,7 @@
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
 
+#include "eglcompiler.h"
 
 typedef struct _egl_api _EGLAPI;
 
diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h
index 81e4eae401..41fcb16a0a 100644
--- a/src/gallium/auxiliary/draw/draw_private.h
+++ b/src/gallium/auxiliary/draw/draw_private.h
@@ -44,7 +44,6 @@
 #include "pipe/p_state.h"
 #include "pipe/p_defines.h"
 
-#include "tgsi/tgsi_exec.h"
 #include "tgsi/tgsi_scan.h"
 
 
@@ -55,6 +54,8 @@ struct draw_vertex_shader;
 struct draw_context;
 struct draw_stage;
 struct vbuf_render;
+struct tgsi_exec_machine;
+struct tgsi_sampler;
 
 
 /**
@@ -185,7 +186,7 @@ struct draw_context
       uint position_output;
 
       /** TGSI program interpreter runtime state */
-      struct tgsi_exec_machine machine;
+      struct tgsi_exec_machine *machine;
 
       uint num_samplers;
       struct tgsi_sampler **samplers;
diff --git a/src/gallium/auxiliary/draw/draw_vs.c b/src/gallium/auxiliary/draw/draw_vs.c
index c057cd67fd..790e89ed82 100644
--- a/src/gallium/auxiliary/draw/draw_vs.c
+++ b/src/gallium/auxiliary/draw/draw_vs.c
@@ -43,6 +43,8 @@
 #include "translate/translate.h"
 #include "translate/translate_cache.h"
 
+#include "tgsi/tgsi_exec.h"
+
 
 
 
@@ -146,16 +148,8 @@ draw_delete_vertex_shader(struct draw_context *draw,
 boolean 
 draw_vs_init( struct draw_context *draw )
 {
-   tgsi_exec_machine_init(&draw->vs.machine);
-
-   /* FIXME: give this machine thing a proper constructor:
-    */
-   draw->vs.machine.Inputs = align_malloc(PIPE_MAX_ATTRIBS * sizeof(struct tgsi_exec_vector), 16);
-   if (!draw->vs.machine.Inputs)
-      return FALSE;
-
-   draw->vs.machine.Outputs = align_malloc(PIPE_MAX_ATTRIBS * sizeof(struct tgsi_exec_vector), 16);
-   if (!draw->vs.machine.Outputs)
+   draw->vs.machine = tgsi_exec_machine_create();
+   if (!draw->vs.machine)
       return FALSE;
 
    draw->vs.emit_cache = translate_cache_create();
@@ -178,12 +172,6 @@ draw_vs_init( struct draw_context *draw )
 void
 draw_vs_destroy( struct draw_context *draw )
 {
-   if (draw->vs.machine.Inputs)
-      align_free(draw->vs.machine.Inputs);
-
-   if (draw->vs.machine.Outputs)
-      align_free(draw->vs.machine.Outputs);
-
    if (draw->vs.fetch_cache)
       translate_cache_destroy(draw->vs.fetch_cache);
 
@@ -196,8 +184,7 @@ draw_vs_destroy( struct draw_context *draw )
    if (draw->vs.aligned_constant_storage)
       align_free((void*)draw->vs.aligned_constant_storage);
 
-   tgsi_exec_machine_free_data(&draw->vs.machine);
-
+   tgsi_exec_machine_destroy(draw->vs.machine);
 }
 
 
diff --git a/src/gallium/auxiliary/draw/draw_vs_exec.c b/src/gallium/auxiliary/draw/draw_vs_exec.c
index f2368dde5c..41cc802613 100644
--- a/src/gallium/auxiliary/draw/draw_vs_exec.c
+++ b/src/gallium/auxiliary/draw/draw_vs_exec.c
@@ -41,6 +41,7 @@
 
 #include "tgsi/tgsi_parse.h"
 #include "tgsi/tgsi_scan.h"
+#include "tgsi/tgsi_exec.h"
 
 
 struct exec_vertex_shader {
@@ -201,7 +202,7 @@ draw_create_vs_exec(struct draw_context *draw,
    vs->base.run_linear = vs_exec_run_linear;
    vs->base.delete = vs_exec_delete;
    vs->base.create_varient = draw_vs_varient_generic;
-   vs->machine = &draw->vs.machine;
+   vs->machine = draw->vs.machine;
 
    return &vs->base;
 }
diff --git a/src/gallium/auxiliary/draw/draw_vs_ppc.c b/src/gallium/auxiliary/draw/draw_vs_ppc.c
index d35db57d57..ad184bd696 100644
--- a/src/gallium/auxiliary/draw/draw_vs_ppc.c
+++ b/src/gallium/auxiliary/draw/draw_vs_ppc.c
@@ -48,6 +48,7 @@
 #include "rtasm/rtasm_ppc.h"
 #include "tgsi/tgsi_ppc.h"
 #include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_exec.h"
 
 
 
diff --git a/src/gallium/auxiliary/draw/draw_vs_sse.c b/src/gallium/auxiliary/draw/draw_vs_sse.c
index 77ba5152f9..fb58983e01 100644
--- a/src/gallium/auxiliary/draw/draw_vs_sse.c
+++ b/src/gallium/auxiliary/draw/draw_vs_sse.c
@@ -48,27 +48,16 @@
 #include "rtasm/rtasm_x86sse.h"
 #include "tgsi/tgsi_sse2.h"
 #include "tgsi/tgsi_parse.h"
+#include "tgsi/tgsi_exec.h"
 
 #define SSE_MAX_VERTICES 4
 
-typedef void (PIPE_CDECL *codegen_function) (
-   const struct tgsi_exec_vector *input, /* 1 */
-   struct tgsi_exec_vector *output, /* 2 */
-   float (*constant)[4],        /* 3 */
-   struct tgsi_exec_vector *temporary, /* 4 */
-   float (*immediates)[4],      /* 5 */
-   const float (*aos_input)[4], /* 6 */
-   uint num_inputs,             /* 7 */
-   uint input_stride,           /* 8 */
-   float (*aos_output)[4],      /* 9 */
-   uint num_outputs,            /* 10 */
-   uint output_stride );        /* 11 */
 
 struct draw_sse_vertex_shader {
    struct draw_vertex_shader base;
    struct x86_function sse2_program;
 
-   codegen_function func;
+   tgsi_sse2_vs_func func;
    
    struct tgsi_exec_machine *machine;
 };
@@ -118,11 +107,9 @@ vs_sse_run_linear( struct draw_vertex_shader *base,
 
       /* run compiled shader
        */
-      shader->func(machine->Inputs,
-		   machine->Outputs,
-		   (float (*)[4])constants,
-		   machine->Temps,
-		   (float (*)[4])shader->base.immediates,
+      shader->func(machine,
+		   constants,
+		   shader->base.immediates,
                    input,
                    base->info.num_inputs,
                    input_stride,
@@ -184,7 +171,7 @@ draw_create_vs_sse(struct draw_context *draw,
    vs->base.immediates = align_malloc(TGSI_EXEC_NUM_IMMEDIATES * 4 *
                                       sizeof(float), 16);
 
-   vs->machine = &draw->vs.machine;
+   vs->machine = draw->vs.machine;
    
    x86_init_func( &vs->sse2_program );
 
@@ -194,7 +181,7 @@ draw_create_vs_sse(struct draw_context *draw,
                         TRUE )) 
       goto fail;
       
-   vs->func = (codegen_function) x86_get_func( &vs->sse2_program );
+   vs->func = (tgsi_sse2_vs_func) x86_get_func( &vs->sse2_program );
    if (!vs->func) {
       goto fail;
    }
diff --git a/src/gallium/auxiliary/rtasm/rtasm_x86sse.c b/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
index 57fcf6de2a..1acf3c373e 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
+++ b/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
@@ -993,6 +993,15 @@ void sse_pmovmskb( struct x86_function *p,
    emit_modrm(p, dst, src);
 }
 
+void sse_movmskps( struct x86_function *p,
+                   struct x86_reg dst,
+                   struct x86_reg src)
+{
+   DUMP_RR( dst, src );
+   emit_2ub(p, X86_TWOB, 0x50);
+   emit_modrm(p, dst, src);
+}
+
 /***********************************************************************
  * SSE2 instructions
  */
diff --git a/src/gallium/auxiliary/rtasm/rtasm_x86sse.h b/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
index 1b5eaaca85..731a651796 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
+++ b/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
@@ -223,6 +223,7 @@ void sse_unpckhps( struct x86_function *p, struct x86_reg dst, struct x86_reg sr
 void sse_unpcklps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
 void sse_pmovmskb( struct x86_function *p, struct x86_reg dest, struct x86_reg src );
 void sse2_punpcklbw( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
+void sse_movmskps( struct x86_function *p, struct x86_reg dst, struct x86_reg src);
 
 void x86_add( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
 void x86_and( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.c b/src/gallium/auxiliary/tgsi/tgsi_exec.c
index 5cb322a5fa..fe571a86bc 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.c
@@ -365,15 +365,26 @@ tgsi_exec_machine_bind_shader(
 }
 
 
-void
-tgsi_exec_machine_init(
-   struct tgsi_exec_machine *mach )
+struct tgsi_exec_machine *
+tgsi_exec_machine_create( void )
 {
+   struct tgsi_exec_machine *mach;
    uint i;
 
-   mach->Temps = (struct tgsi_exec_vector *) tgsi_align_128bit( mach->_Temps);
+   mach = align_malloc( sizeof *mach, 16 );
+   if (!mach)
+      goto fail;
+
    mach->Addrs = &mach->Temps[TGSI_EXEC_TEMP_ADDR];
 
+   mach->Samplers = NULL;
+   mach->Consts = NULL;
+   mach->Tokens = NULL;
+   mach->Primitives = NULL;
+   mach->InterpCoefs = NULL;
+   mach->Instructions = NULL;
+   mach->Declarations = NULL;
+
    /* Setup constants. */
    for( i = 0; i < 4; i++ ) {
       mach->Temps[TEMP_0_I].xyzw[TEMP_0_C].u[i] = 0x00000000;
@@ -393,22 +404,24 @@ tgsi_exec_machine_init(
    (void) print_chan;
    (void) print_temp;
 #endif
+
+   return mach;
+
+fail:
+   align_free(mach);
+   return NULL;
 }
 
 
 void
-tgsi_exec_machine_free_data(struct tgsi_exec_machine *mach)
+tgsi_exec_machine_destroy(struct tgsi_exec_machine *mach)
 {
-   if (mach->Instructions) {
+   if (mach) {
       FREE(mach->Instructions);
-      mach->Instructions = NULL;
-      mach->NumInstructions = 0;
-   }
-   if (mach->Declarations) {
       FREE(mach->Declarations);
-      mach->Declarations = NULL;
-      mach->NumDeclarations = 0;
    }
+
+   align_free(mach);
 }
 
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index da22baad3e..8a9100f4c3 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -29,6 +29,7 @@
 #define TGSI_EXEC_H
 
 #include "pipe/p_compiler.h"
+#include "pipe/p_state.h"
 
 #if defined __cplusplus
 extern "C" {
@@ -94,7 +95,6 @@ struct tgsi_exec_labels
 
 
 #define TGSI_EXEC_NUM_TEMPS       128
-#define TGSI_EXEC_NUM_TEMP_EXTRAS   6
 #define TGSI_EXEC_NUM_IMMEDIATES  256
 
 /*
@@ -162,9 +162,14 @@ struct tgsi_exec_labels
 #define TGSI_EXEC_MASK_I            (TGSI_EXEC_NUM_TEMPS + 3)
 #define TGSI_EXEC_MASK_C            2
 
+/* 4 register buffer for various purposes */
 #define TGSI_EXEC_TEMP_R0           (TGSI_EXEC_NUM_TEMPS + 4)
+#define TGSI_EXEC_NUM_TEMP_R        4
+
+#define TGSI_EXEC_TEMP_ADDR         (TGSI_EXEC_NUM_TEMPS + 8)
+#define TGSI_EXEC_NUM_ADDRS         1
+#define TGSI_EXEC_NUM_TEMP_EXTRAS   9
 
-#define TGSI_EXEC_TEMP_ADDR         (TGSI_EXEC_NUM_TEMPS + 5)
 
 
 #define TGSI_EXEC_MAX_COND_NESTING  20
@@ -187,24 +192,21 @@ struct tgsi_exec_labels
 struct tgsi_exec_machine
 {
    /* Total = program temporaries + internal temporaries
-    *         + 1 padding to align to 16 bytes
     */
-   struct tgsi_exec_vector       _Temps[TGSI_EXEC_NUM_TEMPS +
-                                        TGSI_EXEC_NUM_TEMP_EXTRAS + 1];
+   struct tgsi_exec_vector       Temps[TGSI_EXEC_NUM_TEMPS +
+                                       TGSI_EXEC_NUM_TEMP_EXTRAS];
+
+   float                         Imms[TGSI_EXEC_NUM_IMMEDIATES][4];
+
+   struct tgsi_exec_vector       Inputs[PIPE_MAX_ATTRIBS];
+   struct tgsi_exec_vector       Outputs[PIPE_MAX_ATTRIBS];
 
-   /*
-    * This will point to _Temps after aligning to 16B boundary.
-    */
-   struct tgsi_exec_vector       *Temps;
    struct tgsi_exec_vector       *Addrs;
 
    struct tgsi_sampler           **Samplers;
 
-   float                         Imms[TGSI_EXEC_NUM_IMMEDIATES][4];
    unsigned                      ImmLimit;
    const float                   (*Consts)[4];
-   struct tgsi_exec_vector       *Inputs;
-   struct tgsi_exec_vector       *Outputs;
    const struct tgsi_token       *Tokens;   /**< Declarations, instructions */
    unsigned                      Processor; /**< TGSI_PROCESSOR_x */
 
@@ -251,9 +253,11 @@ struct tgsi_exec_machine
    struct tgsi_exec_labels Labels;
 };
 
+struct tgsi_exec_machine *
+tgsi_exec_machine_create( void );
+
 void
-tgsi_exec_machine_init(
-   struct tgsi_exec_machine *mach );
+tgsi_exec_machine_destroy(struct tgsi_exec_machine *mach);
 
 
 void 
@@ -268,10 +272,6 @@ tgsi_exec_machine_run(
    struct tgsi_exec_machine *mach );
 
 
-void
-tgsi_exec_machine_free_data(struct tgsi_exec_machine *mach);
-
-
 static INLINE void
 tgsi_set_kill_mask(struct tgsi_exec_machine *mach, unsigned mask)
 {
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.c b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
index ba2bfdef06..df49638d51 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.c
@@ -32,6 +32,7 @@
 #include "util/u_debug.h"
 #include "pipe/p_shader_tokens.h"
 #include "util/u_math.h"
+#include "util/u_memory.h"
 #if defined(PIPE_ARCH_SSE)
 #include "util/u_sse.h"
 #endif
@@ -100,37 +101,55 @@ get_const_base( void )
 {
    return x86_make_reg(
       file_REG32,
-      reg_CX );
+      reg_AX );
 }
 
 static struct x86_reg
-get_input_base( void )
+get_machine_base( void )
 {
    return x86_make_reg(
       file_REG32,
-      reg_AX );
+      reg_CX );
+}
+
+static struct x86_reg
+get_input_base( void )
+{
+   return x86_make_disp(
+      get_machine_base(),
+      Offset(struct tgsi_exec_machine, Inputs) );
 }
 
 static struct x86_reg
 get_output_base( void )
 {
-   return x86_make_reg(
-      file_REG32,
-      reg_DX );
+   return x86_make_disp(
+      get_machine_base(),
+      Offset(struct tgsi_exec_machine, Outputs) );
 }
 
 static struct x86_reg
 get_temp_base( void )
 {
+   return x86_make_disp(
+      get_machine_base(),
+      Offset(struct tgsi_exec_machine, Temps) );
+}
+
+static struct x86_reg
+get_coef_base( void )
+{
    return x86_make_reg(
       file_REG32,
       reg_BX );
 }
 
 static struct x86_reg
-get_coef_base( void )
+get_sampler_base( void )
 {
-   return get_output_base();
+   return x86_make_reg(
+      file_REG32,
+      reg_DI );
 }
 
 static struct x86_reg
@@ -138,7 +157,7 @@ get_immediate_base( void )
 {
    return x86_make_reg(
       file_REG32,
-      reg_DI );
+      reg_DX );
 }
 
 
@@ -168,6 +187,15 @@ get_const(
 }
 
 static struct x86_reg
+get_sampler_ptr(
+   unsigned unit )
+{
+   return x86_make_disp(
+      get_sampler_base(),
+      unit * sizeof( struct tgsi_sampler * ) );
+}
+
+static struct x86_reg
 get_input(
    unsigned vec,
    unsigned chan )
@@ -520,24 +548,15 @@ emit_coef_dady(
  * that the stack pointer is 16 byte aligned, as expected.
  */
 static void
-emit_func_call_dst(
+emit_func_call(
    struct x86_function *func,
-   unsigned xmm_save,
-   unsigned xmm_dst,
+   unsigned xmm_save_mask,
+   const struct x86_reg *arg,
+   unsigned nr_args,
    void (PIPE_CDECL *code)() )
 {
    struct x86_reg ecx = x86_make_reg( file_REG32, reg_CX );
    unsigned i, n;
-   unsigned xmm_mask;
-   
-   /* Bitmask of the xmm registers to save */
-   xmm_mask = (1 << xmm_save) - 1;
-   xmm_mask &= ~(1 << xmm_dst);
-
-   sse_movaps(
-      func,
-      get_temp( TEMP_R0, 0 ),
-      make_xmm( xmm_dst ) );
 
    x86_push(
       func,
@@ -549,8 +568,10 @@ emit_func_call_dst(
       func,
       x86_make_reg( file_REG32, reg_DX) );
    
+   /* Store XMM regs to the stack
+    */
    for(i = 0, n = 0; i < 8; ++i)
-      if(xmm_mask & (1 << i))
+      if(xmm_save_mask & (1 << i))
          ++n;
    
    x86_sub_imm(
@@ -559,26 +580,42 @@ emit_func_call_dst(
       n*16);
 
    for(i = 0, n = 0; i < 8; ++i)
-      if(xmm_mask & (1 << i)) {
+      if(xmm_save_mask & (1 << i)) {
          sse_movups(
             func,
             x86_make_disp( x86_make_reg( file_REG32, reg_SP ), n*16 ),
             make_xmm( i ) );
          ++n;
       }
+
+   for (i = 0; i < nr_args; i++) {
+      /* Load the address of the buffer we use for passing arguments and
+       * receiving results:
+       */
+      x86_lea(
+	 func,
+	 ecx,
+	 arg[i] );
    
-   x86_lea(
-      func,
-      ecx,
-      get_temp( TEMP_R0, 0 ) );
-   
-   x86_push( func, ecx );
+      /* Push actual function arguments (currently just the pointer to
+       * the buffer above), and call the function:
+       */
+      x86_push( func, ecx );
+   }
+
    x86_mov_reg_imm( func, ecx, (unsigned long) code );
    x86_call( func, ecx );
-   x86_pop(func, ecx );
-   
+
+   /* Pop the arguments (or just add an immediate to esp)
+    */
+   for (i = 0; i < nr_args; i++) {
+      x86_pop(func, ecx );
+   }
+
+   /* Pop the saved XMM regs:
+    */
    for(i = 0, n = 0; i < 8; ++i)
-      if(xmm_mask & (1 << i)) {
+      if(xmm_save_mask & (1 << i)) {
          sse_movups(
             func,
             make_xmm( i ),
@@ -602,34 +639,86 @@ emit_func_call_dst(
    x86_pop(
       func,
       x86_make_reg( file_REG32, reg_AX) );
+}
+
+static void
+emit_func_call_dst_src1(
+   struct x86_function *func,
+   unsigned xmm_save, 
+   unsigned xmm_dst,
+   unsigned xmm_src0,
+   void (PIPE_CDECL *code)() )
+{
+   struct x86_reg store = get_temp( TEMP_R0, 0 );
+   unsigned xmm_mask = ((1 << xmm_save) - 1) & ~(1 << xmm_dst);
+   
+   /* Store our input parameters (in xmm regs) to the buffer we use
+    * for passing arguments.  We will pass a pointer to this buffer as
+    * the actual function argument.
+    */
+   sse_movaps(
+      func,
+      store,
+      make_xmm( xmm_src0 ) );
+
+   emit_func_call( func,
+                   xmm_mask,
+                   &store,
+                   1,
+                   code );
 
    sse_movaps(
       func,
       make_xmm( xmm_dst ),
-      get_temp( TEMP_R0, 0 ) );
+      store );
 }
 
+
 static void
-emit_func_call_dst_src(
+emit_func_call_dst_src2(
    struct x86_function *func,
    unsigned xmm_save, 
    unsigned xmm_dst,
-   unsigned xmm_src,
+   unsigned xmm_src0,
+   unsigned xmm_src1,
    void (PIPE_CDECL *code)() )
 {
+   struct x86_reg store = get_temp( TEMP_R0, 0 );
+   unsigned xmm_mask = ((1 << xmm_save) - 1) & ~(1 << xmm_dst);
+
+   /* Store two inputs to parameter buffer.
+    */
    sse_movaps(
       func,
-      get_temp( TEMP_R0, 1 ),
-      make_xmm( xmm_src ) );
+      store,
+      make_xmm( xmm_src0 ) );
 
-   emit_func_call_dst(
+   sse_movaps(
       func,
-      xmm_save,
-      xmm_dst,
-      code );
+      x86_make_disp( store, 4 * sizeof(float) ),
+      make_xmm( xmm_src1 ) );
+
+
+   /* Emit the call
+    */
+   emit_func_call( func,
+                   xmm_mask,
+                   &store,
+                   1,
+                   code );
+
+   /* Retrieve the results:
+    */
+   sse_movaps(
+      func,
+      make_xmm( xmm_dst ),
+      store );
 }
 
 
+
+
+
 #if defined(PIPE_ARCH_SSE)
 
 /*
@@ -782,10 +871,11 @@ emit_cos(
    unsigned xmm_save, 
    unsigned xmm_dst )
 {
-   emit_func_call_dst(
+   emit_func_call_dst_src1(
       func,
       xmm_save, 
       xmm_dst,
+      xmm_dst,
       cos4f );
 }
 
@@ -812,10 +902,11 @@ emit_ex2(
    unsigned xmm_save, 
    unsigned xmm_dst )
 {
-   emit_func_call_dst(
+   emit_func_call_dst_src1(
       func,
       xmm_save,
       xmm_dst,
+      xmm_dst,
       ex24f );
 }
 
@@ -857,10 +948,11 @@ emit_flr(
    unsigned xmm_save, 
    unsigned xmm_dst )
 {
-   emit_func_call_dst(
+   emit_func_call_dst_src1(
       func,
       xmm_save,
       xmm_dst,
+      xmm_dst,
       flr4f );
 }
 
@@ -880,10 +972,11 @@ emit_frc(
    unsigned xmm_save, 
    unsigned xmm_dst )
 {
-   emit_func_call_dst(
+   emit_func_call_dst_src1(
       func,
       xmm_save,
       xmm_dst,
+      xmm_dst,
       frc4f );
 }
 
@@ -910,10 +1003,11 @@ emit_lg2(
    unsigned xmm_save, 
    unsigned xmm_dst )
 {
-   emit_func_call_dst(
+   emit_func_call_dst_src1(
       func,
       xmm_save,
       xmm_dst,
+      xmm_dst,
       lg24f );
 }
 
@@ -975,13 +1069,15 @@ emit_pow(
    struct x86_function *func,
    unsigned xmm_save, 
    unsigned xmm_dst,
-   unsigned xmm_src )
+   unsigned xmm_src0,
+   unsigned xmm_src1 )
 {
-   emit_func_call_dst_src(
+   emit_func_call_dst_src2(
       func,
       xmm_save,
       xmm_dst,
-      xmm_src,
+      xmm_src0,
+      xmm_src1,
       pow4f );
 }
 
@@ -1017,10 +1113,11 @@ emit_rnd(
    unsigned xmm_save, 
    unsigned xmm_dst )
 {
-   emit_func_call_dst(
+   emit_func_call_dst_src1(
       func,
       xmm_save,
       xmm_dst,
+      xmm_dst,
       rnd4f );
 }
 
@@ -1099,10 +1196,11 @@ emit_sgn(
    unsigned xmm_save, 
    unsigned xmm_dst )
 {
-   emit_func_call_dst(
+   emit_func_call_dst_src1(
       func,
       xmm_save,
       xmm_dst,
+      xmm_dst,
       sgn4f );
 }
 
@@ -1121,10 +1219,11 @@ emit_sin (struct x86_function *func,
           unsigned xmm_save, 
           unsigned xmm_dst)
 {
-   emit_func_call_dst(
+   emit_func_call_dst_src1(
       func,
       xmm_save,
       xmm_dst,
+      xmm_dst,
       sin4f );
 }
 
@@ -1140,6 +1239,12 @@ emit_sub(
       make_xmm( xmm_src ) );
 }
 
+
+
+
+
+
+
 /**
  * Register fetch.
  */
@@ -1298,20 +1403,164 @@ emit_store(
 #define STORE( FUNC, INST, XMM, INDEX, CHAN )\
    emit_store( FUNC, XMM, &(INST).FullDstRegisters[INDEX], &(INST), CHAN )
 
+
+static void PIPE_CDECL
+fetch_texel( struct tgsi_sampler **sampler,
+             float *store )
+{
+#if 0
+   uint j;
+
+   debug_printf("%s sampler: %p (%p) store: %p\n", 
+                __FUNCTION__,
+                sampler, *sampler,
+                store );
+
+   debug_printf("lodbias %f\n", store[12]);
+
+   for (j = 0; j < 4; j++)
+      debug_printf("sample %d texcoord %f %f\n", 
+                   j, 
+                   store[0+j],
+                   store[4+j]);
+#endif
+
+   {
+      float rgba[NUM_CHANNELS][QUAD_SIZE];
+      (*sampler)->get_samples(*sampler, 
+                              &store[0], 
+                              &store[4], 
+                              &store[8], 
+                              0.0f, /*store[12],  lodbias */
+                              rgba);
+
+      memcpy( store, rgba, 16 * sizeof(float));
+   }
+
+#if 0
+   for (j = 0; j < 4; j++)
+      debug_printf("sample %d result %f %f %f %f\n", 
+                   j, 
+                   store[0+j],
+                   store[4+j],
+                   store[8+j],
+                   store[12+j]);
+#endif
+}
+
 /**
  * High-level instruction translators.
  */
 
 static void
+emit_tex( struct x86_function *func,
+          const struct tgsi_full_instruction *inst,
+          boolean lodbias,
+          boolean projected)
+{
+   const uint unit = inst->FullSrcRegisters[1].SrcRegister.Index;
+   struct x86_reg args[2];
+   unsigned count;
+   unsigned i;
+
+   switch (inst->InstructionExtTexture.Texture) {
+   case TGSI_TEXTURE_1D:
+   case TGSI_TEXTURE_SHADOW1D:
+      count = 1;
+      break;
+   case TGSI_TEXTURE_2D:
+   case TGSI_TEXTURE_RECT:
+   case TGSI_TEXTURE_SHADOW2D:
+   case TGSI_TEXTURE_SHADOWRECT:
+      count = 2;
+      break;
+   case TGSI_TEXTURE_3D:
+   case TGSI_TEXTURE_CUBE:
+      count = 3;
+      break;
+   default:
+      assert(0);
+      return;
+   }
+
+   if (lodbias) {
+      FETCH( func, *inst, 3, 0, 3 );
+   }
+   else {
+      emit_tempf(
+         func,
+         3,
+         TGSI_EXEC_TEMP_00000000_I,
+         TGSI_EXEC_TEMP_00000000_C );
+
+   }
+
+   /* store lodbias whether enabled or not -- fetch_texel currently
+    * respects it always.
+    */
+   sse_movaps( func,
+               get_temp( TEMP_R0, 3 ),
+               make_xmm( 3 ) );
+
+   
+   if (projected) {
+      FETCH( func, *inst, 3, 0, 3 );
+
+      emit_rcp( func, 3, 3 );
+   }
+
+   for (i = 0; i < count; i++) {
+      FETCH( func, *inst, i, 0, i );
+
+      if (projected) {
+         sse_mulps(
+            func,
+            make_xmm( i ),
+            make_xmm( 3 ) );
+      }
+      
+      /* Store in the argument buffer:
+       */
+      sse_movaps(
+         func,
+         get_temp( TEMP_R0, i ),
+         make_xmm( i ) );
+   }
+
+   args[0] = get_temp( TEMP_R0, 0 );
+   args[1] = get_sampler_ptr( unit );
+
+
+   emit_func_call( func,
+                   0,
+                   args,
+                   Elements(args),
+                   fetch_texel );
+
+   /* If all four channels are enabled, could use a pointer to
+    * dst[0].x instead of TEMP_R0 for store?
+    */
+   FOR_EACH_DST0_ENABLED_CHANNEL( *inst, i ) {
+
+      sse_movaps(
+         func,
+         make_xmm( 0 ),
+         get_temp( TEMP_R0, i ) );
+
+      STORE( func, *inst, 0, 0, i );
+   }
+}
+
+
+static void
 emit_kil(
    struct x86_function *func,
    const struct tgsi_full_src_register *reg )
 {
    unsigned uniquemask;
-   unsigned registers[4];
-   unsigned nextregister = 0;
-   unsigned firstchan = ~0;
+   unsigned unique_count = 0;
    unsigned chan_index;
+   unsigned i;
 
    /* This mask stores component bits that were already tested. Note that
     * we test if the value is less than zero, so 1.0 and 0.0 need not to be
@@ -1331,18 +1580,11 @@ emit_kil(
          uniquemask |= 1 << swizzle;
 
          /* allocate register */
-         registers[chan_index] = nextregister;
          emit_fetch(
             func,
-            nextregister,
+            unique_count++,
             reg,
             chan_index );
-         nextregister++;
-
-         /* mark the first channel used */
-         if( firstchan == ~0 ) {
-            firstchan = chan_index;
-         }
       }
    }
 
@@ -1353,32 +1595,32 @@ emit_kil(
       func,
       x86_make_reg( file_REG32, reg_DX ) );
 
-   FOR_EACH_CHANNEL( chan_index ) {
-      if( uniquemask & (1 << chan_index) ) {
-         sse_cmpps(
+   for (i = 0 ; i < unique_count; i++ ) {
+      struct x86_reg dataXMM = make_xmm(i);
+
+      sse_cmpps(
+         func,
+         dataXMM,
+         get_temp(
+            TGSI_EXEC_TEMP_00000000_I,
+            TGSI_EXEC_TEMP_00000000_C ),
+         cc_LessThan );
+      
+      if( i == 0 ) {
+         sse_movmskps(
             func,
-            make_xmm( registers[chan_index] ),
-            get_temp(
-               TGSI_EXEC_TEMP_00000000_I,
-               TGSI_EXEC_TEMP_00000000_C ),
-            cc_LessThan );
-
-         if( chan_index == firstchan ) {
-            sse_pmovmskb(
-               func,
-               x86_make_reg( file_REG32, reg_AX ),
-               make_xmm( registers[chan_index] ) );
-         }
-         else {
-            sse_pmovmskb(
-               func,
-               x86_make_reg( file_REG32, reg_DX ),
-               make_xmm( registers[chan_index] ) );
-            x86_or(
-               func,
-               x86_make_reg( file_REG32, reg_AX ),
-               x86_make_reg( file_REG32, reg_DX ) );
-         }
+            x86_make_reg( file_REG32, reg_AX ),
+            dataXMM );
+      }
+      else {
+         sse_movmskps(
+            func,
+            x86_make_reg( file_REG32, reg_DX ),
+            dataXMM );
+         x86_or(
+            func,
+            x86_make_reg( file_REG32, reg_AX ),
+            x86_make_reg( file_REG32, reg_DX ) );
       }
    }
 
@@ -1573,7 +1815,7 @@ emit_instruction(
                get_temp(
                   TGSI_EXEC_TEMP_MINUS_128_I,
                   TGSI_EXEC_TEMP_MINUS_128_C ) );
-            emit_pow( func, 3, 1, 2 );
+            emit_pow( func, 3, 1, 1, 2 );
             FETCH( func, *inst, 0, 0, CHAN_X );
             sse_xorps(
                func,
@@ -1917,7 +2159,7 @@ emit_instruction(
    /* TGSI_OPCODE_POW */
       FETCH( func, *inst, 0, 0, CHAN_X );
       FETCH( func, *inst, 1, 1, CHAN_X );
-      emit_pow( func, 0, 0, 1 );
+      emit_pow( func, 0, 0, 0, 1 );
       FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
          STORE( func, *inst, 0, 0, chan_index );
       }
@@ -2086,21 +2328,7 @@ emit_instruction(
       break;
 
    case TGSI_OPCODE_TEX:
-      if (0) {
-	 /* Disable dummy texture code: 
-	  */
-	 emit_tempf(
-	    func,
-	    0,
-	    TEMP_ONE_I,
-	    TEMP_ONE_C );
-	 FOR_EACH_DST0_ENABLED_CHANNEL( *inst, chan_index ) {
-	    STORE( func, *inst, 0, 0, chan_index );
-	 }
-      }
-      else {
-	 return 0;
-      }
+      emit_tex( func, inst, FALSE, FALSE );
       break;
 
    case TGSI_OPCODE_TXD:
@@ -2198,7 +2426,7 @@ emit_instruction(
       break;
 
    case TGSI_OPCODE_TXB:
-      return 0;
+      emit_tex( func, inst, TRUE, FALSE );
       break;
 
    case TGSI_OPCODE_NRM:
@@ -2306,9 +2534,13 @@ emit_instruction(
       break;
 
    case TGSI_OPCODE_TXL:
-      return 0;
+      emit_tex( func, inst, TRUE, FALSE );
       break;
 
+   case TGSI_OPCODE_TXP:
+      emit_tex( func, inst, FALSE, TRUE );
+      break;
+      
    case TGSI_OPCODE_BRK:
       return 0;
       break;
@@ -2488,7 +2720,7 @@ emit_declaration(
 
 static void aos_to_soa( struct x86_function *func, 
                         uint arg_aos,
-                        uint arg_soa, 
+                        uint arg_machine, 
                         uint arg_num, 
                         uint arg_stride )
 {
@@ -2503,7 +2735,10 @@ static void aos_to_soa( struct x86_function *func,
    x86_push( func, x86_make_reg( file_REG32, reg_BX ) );
 
    x86_mov( func, aos_input,  x86_fn_arg( func, arg_aos ) );
-   x86_mov( func, soa_input,  x86_fn_arg( func, arg_soa ) );
+   x86_mov( func, soa_input,  x86_fn_arg( func, arg_machine ) );
+   x86_lea( func, soa_input,  
+	    x86_make_disp( soa_input, 
+			   Offset(struct tgsi_exec_machine, Inputs) ) );
    x86_mov( func, num_inputs, x86_fn_arg( func, arg_num ) );
    x86_mov( func, stride,     x86_fn_arg( func, arg_stride ) );
 
@@ -2545,28 +2780,30 @@ static void aos_to_soa( struct x86_function *func,
    x86_jcc( func, cc_NE, inner_loop );
 
    /* Restore EBX */
-   x86_pop( func, aos_input );
+   x86_pop( func, x86_make_reg( file_REG32, reg_BX ) );
 }
 
-static void soa_to_aos( struct x86_function *func, uint aos, uint soa, uint num, uint stride )
+static void soa_to_aos( struct x86_function *func, 
+			uint arg_aos, 
+			uint arg_machine, 
+			uint arg_num, 
+			uint arg_stride )
 {
-   struct x86_reg soa_output;
-   struct x86_reg aos_output;
-   struct x86_reg num_outputs;
-   struct x86_reg temp;
+   struct x86_reg soa_output = x86_make_reg( file_REG32, reg_AX );
+   struct x86_reg aos_output = x86_make_reg( file_REG32, reg_BX );
+   struct x86_reg num_outputs = x86_make_reg( file_REG32, reg_CX );
+   struct x86_reg temp = x86_make_reg( file_REG32, reg_DX );
    int inner_loop;
 
-   soa_output = x86_make_reg( file_REG32, reg_AX );
-   aos_output = x86_make_reg( file_REG32, reg_BX );
-   num_outputs = x86_make_reg( file_REG32, reg_CX );
-   temp = x86_make_reg( file_REG32, reg_DX );
-
    /* Save EBX */
-   x86_push( func, aos_output );
+   x86_push( func, x86_make_reg( file_REG32, reg_BX ) );
 
-   x86_mov( func, soa_output, x86_fn_arg( func, soa ) );
-   x86_mov( func, aos_output, x86_fn_arg( func, aos ) );
-   x86_mov( func, num_outputs, x86_fn_arg( func, num ) );
+   x86_mov( func, aos_output, x86_fn_arg( func, arg_aos ) );
+   x86_mov( func, soa_output, x86_fn_arg( func, arg_machine ) );
+   x86_lea( func, soa_output, 
+	    x86_make_disp( soa_output, 
+			   Offset(struct tgsi_exec_machine, Outputs) ) );
+   x86_mov( func, num_outputs, x86_fn_arg( func, arg_num ) );
 
    /* do */
    inner_loop = x86_get_label( func );
@@ -2583,7 +2820,7 @@ static void soa_to_aos( struct x86_function *func, uint aos, uint soa, uint num,
       sse_unpcklps( func, make_xmm( 3 ), make_xmm( 4 ) );
       sse_unpckhps( func, make_xmm( 5 ), make_xmm( 4 ) );
 
-      x86_mov( func, temp, x86_fn_arg( func, stride ) );
+      x86_mov( func, temp, x86_fn_arg( func, arg_stride ) );
       x86_push( func, aos_output );
       sse_movlps( func, x86_make_disp( aos_output, 0 ), make_xmm( 0 ) );
       sse_movlps( func, x86_make_disp( aos_output, 8 ), make_xmm( 3 ) );
@@ -2607,20 +2844,13 @@ static void soa_to_aos( struct x86_function *func, uint aos, uint soa, uint num,
    x86_jcc( func, cc_NE, inner_loop );
 
    /* Restore EBX */
-   x86_pop( func, aos_output );
+   x86_pop( func, x86_make_reg( file_REG32, reg_BX ) );
 }
 
 /**
  * Translate a TGSI vertex/fragment shader to SSE2 code.
  * Slightly different things are done for vertex vs. fragment shaders.
  *
- * Note that fragment shaders are responsible for interpolating shader
- * inputs. Because on x86 we have only 4 GP registers, and here we
- * have 5 shader arguments (input, output, const, temp and coef), the
- * code is split into two phases -- DECLARATION and INSTRUCTION phase.
- * GP register holding the output argument is aliased with the coeff
- * argument, as outputs are not needed in the DECLARATION phase.
- *
  * \param tokens  the TGSI input shader
  * \param func  the output SSE code/function
  * \param immediates  buffer to place immediates, later passed to SSE func
@@ -2634,7 +2864,6 @@ tgsi_emit_sse2(
    boolean do_swizzles )
 {
    struct tgsi_parse_context parse;
-   boolean instruction_phase = FALSE;
    unsigned ok = 1;
    uint num_immediates = 0;
 
@@ -2646,74 +2875,48 @@ tgsi_emit_sse2(
 
    /* Can't just use EDI, EBX without save/restoring them:
     */
-   x86_push(
-      func,
-      get_immediate_base() );
-
-   x86_push(
-      func,
-      get_temp_base() );
-
+   x86_push( func, x86_make_reg( file_REG32, reg_BX ) );
+   x86_push( func, x86_make_reg( file_REG32, reg_DI ) );
 
    /*
     * Different function args for vertex/fragment shaders:
     */
-   if (parse.FullHeader.Processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
-      /* DECLARATION phase, do not load output argument. */
-      x86_mov(
-         func,
-         get_input_base(),
-         x86_fn_arg( func, 1 ) );
-      /* skipping outputs argument here */
-      x86_mov(
-         func,
-         get_const_base(),
-         x86_fn_arg( func, 3 ) );
-      x86_mov(
-         func,
-         get_temp_base(),
-         x86_fn_arg( func, 4 ) );
-      x86_mov(
-         func,
-         get_coef_base(),
-         x86_fn_arg( func, 5 ) );
-      x86_mov(
-         func,
-         get_immediate_base(),
-         x86_fn_arg( func, 6 ) );
-   }
-   else {
-      assert(parse.FullHeader.Processor.Processor == TGSI_PROCESSOR_VERTEX);
-
+   if (parse.FullHeader.Processor.Processor == TGSI_PROCESSOR_VERTEX) {
       if (do_swizzles)
          aos_to_soa( func, 
-                     6,         /* aos_input */
-                     1,         /* machine->input */
-                     7,         /* num_inputs */
-                     8 );       /* input_stride */
+                     4,         /* aos_input */
+                     1,         /* machine */
+                     5,         /* num_inputs */
+                     6 );       /* input_stride */
+   }
 
+   x86_mov(
+      func,
+      get_machine_base(),
+      x86_fn_arg( func, 1 ) );
+   x86_mov(
+      func,
+      get_const_base(),
+      x86_fn_arg( func, 2 ) );
+   x86_mov(
+      func,
+      get_immediate_base(),
+      x86_fn_arg( func, 3 ) );
+
+   if (parse.FullHeader.Processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
       x86_mov(
-         func,
-         get_input_base(),
-         x86_fn_arg( func, 1 ) );
-      x86_mov(
-         func,
-         get_output_base(),
-         x86_fn_arg( func, 2 ) );
-      x86_mov(
-         func,
-         get_const_base(),
-         x86_fn_arg( func, 3 ) );
-      x86_mov(
-         func,
-         get_temp_base(),
-         x86_fn_arg( func, 4 ) );
+	 func,
+	 get_coef_base(),
+	 x86_fn_arg( func, 4 ) );
+
       x86_mov(
-         func,
-         get_immediate_base(),
-         x86_fn_arg( func, 5 ) );
+	 func,
+	 get_sampler_base(),
+	 x86_make_disp( get_machine_base(),
+                        Offset( struct tgsi_exec_machine, Samplers ) ) );
    }
 
+
    while( !tgsi_parse_end_of_tokens( &parse ) && ok ) {
       tgsi_parse_token( &parse );
 
@@ -2727,17 +2930,6 @@ tgsi_emit_sse2(
          break;
 
       case TGSI_TOKEN_TYPE_INSTRUCTION:
-         if (parse.FullHeader.Processor.Processor == TGSI_PROCESSOR_FRAGMENT) {
-            if( !instruction_phase ) {
-               /* INSTRUCTION phase, overwrite coeff with output. */
-               instruction_phase = TRUE;
-               x86_mov(
-                  func,
-                  get_output_base(),
-                  x86_fn_arg( func, 2 ) );
-            }
-         }
-
          ok = emit_instruction(
             func,
             &parse.FullToken.FullInstruction );
@@ -2781,18 +2973,17 @@ tgsi_emit_sse2(
 
    if (parse.FullHeader.Processor.Processor == TGSI_PROCESSOR_VERTEX) {
       if (do_swizzles)
-         soa_to_aos( func, 9, 2, 10, 11 );
+         soa_to_aos( func, 
+		     7, 	/* aos_output */
+		     1, 	/* machine */
+		     8, 	/* num_outputs */
+		     9 );	/* output_stride */
    }
 
    /* Can't just use EBX, EDI without save/restoring them:
     */
-   x86_pop(
-      func,
-      get_temp_base() );
-
-   x86_pop(
-      func,
-      get_immediate_base() );
+   x86_pop( func, x86_make_reg( file_REG32, reg_DI ) );
+   x86_pop( func, x86_make_reg( file_REG32, reg_BX ) );
 
    emit_ret( func );
 
diff --git a/src/gallium/auxiliary/tgsi/tgsi_sse2.h b/src/gallium/auxiliary/tgsi/tgsi_sse2.h
index af838b2a25..d81ee3d00e 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_sse2.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_sse2.h
@@ -34,6 +34,7 @@ extern "C" {
 
 struct tgsi_token;
 struct x86_function;
+struct tgsi_interp_coef;
 
 unsigned
 tgsi_emit_sse2(
@@ -42,6 +43,33 @@ tgsi_emit_sse2(
    float (*immediates)[4],
    boolean do_swizzles );
 
+
+/* This is the function prototype generated when do_swizzles is false
+ * -- effectively for fragment shaders.
+ */
+typedef void (PIPE_CDECL *tgsi_sse2_fs_function) (
+   struct tgsi_exec_machine *machine, /* 1 */
+   const float (*constant)[4],		    /* 2 */
+   const float (*immediate)[4],		    /* 3 */
+   const struct tgsi_interp_coef *coef	    /* 4 */
+   );
+
+
+/* This is the function prototype generated when do_swizzles is true
+ * -- effectively for vertex shaders.
+ */
+typedef void (PIPE_CDECL *tgsi_sse2_vs_func) (
+   struct tgsi_exec_machine *machine, /* 1 */
+   const float (*constant)[4],        /* 2 */
+   const float (*immediate)[4],       /* 3 */
+   const float (*aos_input)[4], /* 4 */
+   uint num_inputs,             /* 5 */
+   uint input_stride,           /* 6 */
+   float (*aos_output)[4],      /* 7 */
+   uint num_outputs,            /* 8 */
+   uint output_stride );        /* 9 */
+
+
 #if defined __cplusplus
 }
 #endif
diff --git a/src/gallium/drivers/softpipe/sp_fs_sse.c b/src/gallium/drivers/softpipe/sp_fs_sse.c
index 31c3ca21c5..f4fa0905d7 100644
--- a/src/gallium/drivers/softpipe/sp_fs_sse.c
+++ b/src/gallium/drivers/softpipe/sp_fs_sse.c
@@ -45,17 +45,6 @@
 
 #include "rtasm/rtasm_x86sse.h"
 
-/* Surely this should be defined somewhere in a tgsi header:
- */
-typedef void (PIPE_CDECL *codegen_function)(
-   const struct tgsi_exec_vector *input,
-   struct tgsi_exec_vector *output,
-   const float (*constant)[4],
-   struct tgsi_exec_vector *temporary,
-   const struct tgsi_interp_coef *coef,
-   float (*immediates)[4]
-   //, const struct tgsi_exec_vector *quadPos
- );
 
 
 /**
@@ -65,7 +54,7 @@ struct sp_sse_fragment_shader
 {
    struct sp_fragment_shader base;
    struct x86_function sse2_program;
-   codegen_function func;
+   tgsi_sse2_fs_function func;
    float immediates[TGSI_EXEC_NUM_IMMEDIATES][4];
 };
 
@@ -83,6 +72,7 @@ fs_sse_prepare( const struct sp_fragment_shader *base,
 		struct tgsi_exec_machine *machine,
 		struct tgsi_sampler **samplers )
 {
+   machine->Samplers = samplers;
 }
 
 
@@ -107,12 +97,10 @@ fs_sse_run( const struct sp_fragment_shader *base,
    tgsi_set_kill_mask(machine, 0x0);
    tgsi_set_exec_mask(machine, 1, 1, 1, 1);
 
-   shader->func( machine->Inputs,
-		 machine->Outputs,
+   shader->func( machine,
 		 machine->Consts,
-		 machine->Temps,
-		 machine->InterpCoefs,
-                 shader->immediates
+                 (const float (*)[4])shader->immediates,
+		 machine->InterpCoefs
 		 //	 , &machine->QuadPos
       );
 
@@ -151,7 +139,7 @@ softpipe_create_fs_sse(struct softpipe_context *softpipe,
       return NULL;
    }
 
-   shader->func = (codegen_function) x86_get_func( &shader->sse2_program );
+   shader->func = (tgsi_sse2_fs_function) x86_get_func( &shader->sse2_program );
    if (!shader->func) {
       x86_release_func( &shader->sse2_program );
       FREE(shader);
diff --git a/src/gallium/drivers/softpipe/sp_quad_fs.c b/src/gallium/drivers/softpipe/sp_quad_fs.c
index ca637a1d6a..28f8d1a60e 100644
--- a/src/gallium/drivers/softpipe/sp_quad_fs.c
+++ b/src/gallium/drivers/softpipe/sp_quad_fs.c
@@ -52,7 +52,7 @@
 struct quad_shade_stage
 {
    struct quad_stage stage;  /**< base class */
-   struct tgsi_exec_machine machine;
+   struct tgsi_exec_machine *machine;
    struct tgsi_exec_vector *inputs, *outputs;
 };
 
@@ -73,7 +73,7 @@ shade_quad(struct quad_stage *qs, struct quad_header *quad)
 {
    struct quad_shade_stage *qss = quad_shade_stage( qs );
    struct softpipe_context *softpipe = qs->softpipe;
-   struct tgsi_exec_machine *machine = &qss->machine;
+   struct tgsi_exec_machine *machine = qss->machine;
    boolean z_written;
    
    /* Consts do not require 16 byte alignment. */
@@ -146,7 +146,7 @@ shade_begin(struct quad_stage *qs)
    struct softpipe_context *softpipe = qs->softpipe;
 
    softpipe->fs->prepare( softpipe->fs, 
-			  &qss->machine,
+			  qss->machine,
 			  (struct tgsi_sampler **)
                              softpipe->tgsi.frag_samplers_list );
 
@@ -159,9 +159,8 @@ shade_destroy(struct quad_stage *qs)
 {
    struct quad_shade_stage *qss = (struct quad_shade_stage *) qs;
 
-   tgsi_exec_machine_free_data(&qss->machine);
-   FREE( qss->inputs );
-   FREE( qss->outputs );
+   tgsi_exec_machine_destroy(qss->machine);
+
    FREE( qs );
 }
 
@@ -170,19 +169,24 @@ struct quad_stage *
 sp_quad_shade_stage( struct softpipe_context *softpipe )
 {
    struct quad_shade_stage *qss = CALLOC_STRUCT(quad_shade_stage);
-
-   /* allocate storage for program inputs/outputs, aligned to 16 bytes */
-   qss->inputs = MALLOC(PIPE_MAX_ATTRIBS * sizeof(*qss->inputs) + 16);
-   qss->outputs = MALLOC(PIPE_MAX_ATTRIBS * sizeof(*qss->outputs) + 16);
-   qss->machine.Inputs = align16(qss->inputs);
-   qss->machine.Outputs = align16(qss->outputs);
+   if (!qss)
+      goto fail;
 
    qss->stage.softpipe = softpipe;
    qss->stage.begin = shade_begin;
    qss->stage.run = shade_quad;
    qss->stage.destroy = shade_destroy;
 
-   tgsi_exec_machine_init( &qss->machine );
+   qss->machine = tgsi_exec_machine_create();
+   if (!qss->machine)
+      goto fail;
 
    return &qss->stage;
+
+fail:
+   if (qss && qss->machine)
+      tgsi_exec_machine_destroy(qss->machine);
+
+   FREE(qss);
+   return NULL;
 }
diff --git a/src/gallium/state_trackers/egl/egl_context.c b/src/gallium/state_trackers/egl/egl_context.c
index edd49486e5..f03a29582a 100644
--- a/src/gallium/state_trackers/egl/egl_context.c
+++ b/src/gallium/state_trackers/egl/egl_context.c
@@ -113,7 +113,7 @@ drm_create_context(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext
 	if (!ctx)
 		goto err_c;
 
-	_eglInitContext(drv, dpy, &ctx->base, config, attrib_list);
+	_eglInitContext(drv, dpy, &ctx->base, conf, attrib_list);
 
 	ctx->pipe = dev->api->create_context(dev->api, dev->screen);
 	if (!ctx->pipe)
@@ -129,8 +129,8 @@ drm_create_context(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext
 	if (!ctx->st)
 		goto err_gl;
 
-	/* generate handle and insert into hash table */
-	_eglSaveContext(&ctx->base);
+        /* link to display */
+        _eglLinkContext(&ctx->base, _eglLookupDisplay(dpy));
 	assert(_eglGetContextHandle(&ctx->base));
 
 	return _eglGetContextHandle(&ctx->base);
@@ -147,10 +147,8 @@ EGLBoolean
 drm_destroy_context(_EGLDriver *drv, EGLDisplay dpy, EGLContext context)
 {
 	struct drm_context *c = lookup_drm_context(context);
-	_eglRemoveContext(&c->base);
-	if (c->base.IsBound) {
-		c->base.DeletePending = EGL_TRUE;
-	} else {
+        _eglUnlinkContext(&c->base);
+	if (!c->base.IsBound) {
 		st_destroy_context(c->st);
 		c->pipe->destroy(c->pipe);
 		free(c);
diff --git a/src/gallium/state_trackers/egl/egl_surface.c b/src/gallium/state_trackers/egl/egl_surface.c
index de8194a46a..86f2ea97e5 100644
--- a/src/gallium/state_trackers/egl/egl_surface.c
+++ b/src/gallium/state_trackers/egl/egl_surface.c
@@ -232,7 +232,7 @@ drm_create_pbuffer_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 	if (!surf)
 		goto err;
 
-	if (!_eglInitSurface(drv, dpy, &surf->base, EGL_PBUFFER_BIT, config, attrib_list))
+	if (!_eglInitSurface(drv, &surf->base, EGL_PBUFFER_BIT, conf, attrib_list))
 		goto err_surf;
 
 	surf->w = width;
@@ -245,7 +245,7 @@ drm_create_pbuffer_surface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
 	                                    (void*)surf);
 	drm_visual_modes_destroy(visual);
 
-	_eglSaveSurface(&surf->base);
+        _eglLinkSurface(&surf->base, _eglLookupDisplay(dpy));
 	return surf->base.Handle;
 
 err_surf:
@@ -364,10 +364,9 @@ EGLBoolean
 drm_destroy_surface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
 {
 	struct drm_surface *surf = lookup_drm_surface(surface);
-	_eglRemoveSurface(&surf->base);
-	if (surf->base.IsBound) {
-		surf->base.DeletePending = EGL_TRUE;
-	} else {
+	_eglUnlinkSurface(&surf->base);
+
+	if (!surf->base.IsBound) {
 		if (surf->screen)
 			drm_takedown_shown_screen(drv, surf->screen);
 		st_unreference_framebuffer(surf->stfb);
diff --git a/src/gallium/winsys/egl_xlib/egl_xlib.c b/src/gallium/winsys/egl_xlib/egl_xlib.c
index c10e3c00ff..e1ddcae97b 100644
--- a/src/gallium/winsys/egl_xlib/egl_xlib.c
+++ b/src/gallium/winsys/egl_xlib/egl_xlib.c
@@ -345,7 +345,7 @@ xlib_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
       return EGL_NO_CONTEXT;
 
    /* let EGL lib init the common stuff */
-   if (!_eglInitContext(drv, dpy, &ctx->Base, config, attrib_list)) {
+   if (!_eglInitContext(drv, &ctx->Base, conf, attrib_list)) {
       free(ctx);
       return EGL_NO_CONTEXT;
    }
@@ -370,7 +370,7 @@ xlib_eglCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
       return EGL_NO_CONTEXT;
    }
 
-   _eglSaveContext(&ctx->Base);
+   _eglLinkContext(&ctx->Base, _eglLookupDisplay(dpy));
 
    return _eglGetContextHandle(&ctx->Base);
 }
@@ -381,10 +381,8 @@ xlib_eglDestroyContext(_EGLDriver *drv, EGLDisplay dpy, EGLContext ctx)
 {
    struct xlib_egl_context *context = lookup_context(ctx);
    if (context) {
-      if (context->Base.IsBound) {
-         context->Base.DeletePending = EGL_TRUE;
-      }
-      else {
+      _eglUnlinkContext(&context->Base);
+      if (!context->Base.IsBound) {
          /* API-dependent clean-up */
          switch (context->Base.ClientAPI) {
          case EGL_OPENGL_ES_API:
@@ -491,13 +489,13 @@ xlib_eglCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config,
       return EGL_NO_SURFACE;
 
    /* Let EGL lib init the common stuff */
-   if (!_eglInitSurface(drv, dpy, &surf->Base, EGL_WINDOW_BIT,
-                        config, attrib_list)) {
+   if (!_eglInitSurface(drv, &surf->Base, EGL_WINDOW_BIT,
+                        conf, attrib_list)) {
       free(surf);
       return EGL_NO_SURFACE;
    }
 
-   _eglSaveSurface(&surf->Base);
+   _eglLinkSurface(&surf->Base, disp);
 
    /*
     * Now init the Xlib and gallium stuff
@@ -534,11 +532,8 @@ xlib_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
 {
    struct xlib_egl_surface *surf = lookup_surface(surface);
    if (surf) {
-      _eglHashRemove(_eglGlobal.Surfaces, (EGLuint) surface);
-      if (surf->Base.IsBound) {
-         surf->Base.DeletePending = EGL_TRUE;
-      }
-      else {
+      _eglUnlinkSurface(&surf->Base);
+      if (!surf->Base.IsBound) {
          XFreeGC(surf->Dpy, surf->Gc);
          st_unreference_framebuffer(surf->Framebuffer);
          free(surf);
diff --git a/src/mesa/drivers/dri/fb/fb_egl.c b/src/mesa/drivers/dri/fb/fb_egl.c
index 35c268441c..dee67feb5a 100644
--- a/src/mesa/drivers/dri/fb/fb_egl.c
+++ b/src/mesa/drivers/dri/fb/fb_egl.c
@@ -472,8 +472,8 @@ fbCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext sh
    c->Base.DrawSurface = EGL_NO_SURFACE;
    c->Base.ReadSurface = EGL_NO_SURFACE;
 
-   /* generate handle and insert into hash table */
-   _eglSaveContext(&c->Base);
+   /* link to display */
+   _eglLinkContext(&c->Base, disp);
    assert(c->Base.Handle);
 
    /* Init default driver functions then plug in our FBdev-specific functions
@@ -604,13 +604,9 @@ static EGLBoolean
 fbDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
 {
    fbSurface *fs = Lookup_fbSurface(surface);
-   _eglRemoveSurface(&fs->Base);
-   if (fs->Base.IsBound) {
-      fs->Base.DeletePending = EGL_TRUE;
-   }
-   else {
+   _eglUnlinkSurface(&fs->Base);
+   if (!fs->Base.IsBound)
       free(fs);
-   }
    return EGL_TRUE;
 }
 
@@ -619,13 +615,9 @@ static EGLBoolean
 fbDestroyContext(_EGLDriver *drv, EGLDisplay dpy, EGLContext context)
 {
    fbContext *fc = Lookup_fbContext(context);
-   _eglRemoveContext(&fc->Base);
-   if (fc->Base.IsBound) {
-      fc->Base.DeletePending = EGL_TRUE;
-   }
-   else {
+   _eglUnlinkContext(&fc->Base);
+   if (!fc->Base.IsBound)
       free(fc);
-   }
    return EGL_TRUE;
 }
 
@@ -688,7 +680,7 @@ fbCreateScreenSurfaceMESA(_EGLDriver *drv, EGLDisplay dpy, EGLConfig cfg,
    surface->mesa_framebuffer = _mesa_create_framebuffer(&vis);
    if (!surface->mesa_framebuffer) {
       free(surface);
-      _eglRemoveSurface(&surface->Base);
+      _eglUnlinkSurface(&surface->Base);
       return EGL_NO_SURFACE;
    }
 
diff --git a/src/mesa/drivers/dri/i965/brw_sf_state.c b/src/mesa/drivers/dri/i965/brw_sf_state.c
index e73e57a1c8..b5f6371c82 100644
--- a/src/mesa/drivers/dri/i965/brw_sf_state.c
+++ b/src/mesa/drivers/dri/i965/brw_sf_state.c
@@ -246,7 +246,7 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key,
    else if (sf.sf6.line_width <= 0x2)
        sf.sf6.line_width = 0;
 
-   /* _NEW_POINT */
+   /* _NEW_BUFFERS */
    key->render_to_fbo = brw->intel.ctx.DrawBuffer->Name != 0;
    if (!key->render_to_fbo) {
       /* Rendering to an OpenGL window */
@@ -276,6 +276,7 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key,
    }
    /* XXX clamp max depends on AA vs. non-AA */
 
+   /* _NEW_POINT */
    sf.sf7.sprite_point = key->point_sprite;
    sf.sf7.point_size = CLAMP(rint(key->point_size), 1, 255) * (1<<3);
    sf.sf7.use_point_size_state = !key->point_attenuated;
@@ -341,7 +342,8 @@ const struct brw_tracked_state brw_sf_unit = {
       .mesa  = (_NEW_POLYGON | 
 		_NEW_LINE | 
 		_NEW_POINT | 
-		_NEW_SCISSOR),
+		_NEW_SCISSOR |
+		_NEW_BUFFERS),
       .brw   = BRW_NEW_URB_FENCE,
       .cache = (CACHE_NEW_SF_VP |
 		CACHE_NEW_SF_PROG)
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index 9ba131bee5..d8191ab518 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -546,7 +546,7 @@ _mesa_update_state_locked( GLcontext *ctx )
 
    /* Determine which state flags effect vertex/fragment program state */
    if (ctx->FragmentProgram._MaintainTexEnvProgram) {
-      prog_flags |= (_NEW_TEXTURE | _NEW_FOG | _DD_NEW_SEPARATE_SPECULAR |
+      prog_flags |= (_NEW_TEXTURE | _NEW_FOG |
 		     _NEW_ARRAY | _NEW_LIGHT | _NEW_POINT | _NEW_RENDERMODE);
    }
    if (ctx->VertexProgram._MaintainTnlProgram) {
diff --git a/src/mesa/main/texenvprogram.c b/src/mesa/main/texenvprogram.c
index a3f1246c98..6b090ff399 100644
--- a/src/mesa/main/texenvprogram.c
+++ b/src/mesa/main/texenvprogram.c
@@ -62,6 +62,18 @@ struct texenvprog_cache_item
    struct texenvprog_cache_item *next;
 };
 
+static GLboolean
+texenv_doing_secondary_color(GLcontext *ctx)
+{
+   if (ctx->Light.Enabled &&
+       (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR))
+      return GL_TRUE;
+
+   if (ctx->Fog.ColorSumEnabled)
+      return GL_TRUE;
+
+   return GL_FALSE;
+}
 
 /**
  * Up to nine instructions per tex unit, plus fog, specular color.
@@ -298,7 +310,7 @@ static GLbitfield get_fp_input_mask( GLcontext *ctx )
       if (ctx->Light.Enabled) {
          fp_inputs |= FRAG_BIT_COL0;
 
-         if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
+         if (texenv_doing_secondary_color(ctx))
             fp_inputs |= FRAG_BIT_COL1;
       }
 
@@ -416,8 +428,8 @@ static void make_state_key( GLcontext *ctx,  struct state_key *key )
        }
    }
 
-   /* _DD_NEW_SEPARATE_SPECULAR */
-   if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) {
+   /* _NEW_LIGHT | _NEW_FOG */
+   if (texenv_doing_secondary_color(ctx)) {
       key->separate_specular = 1;
       inputs_referenced |= FRAG_BIT_COL1;
    }
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index e4d3bb33c7..806e0ca8f6 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -151,6 +151,7 @@ st_translate_vertex_program(struct st_context *st,
          case VERT_ATTRIB_TEX5:
          case VERT_ATTRIB_TEX6:
          case VERT_ATTRIB_TEX7:
+            assert(slot < Elements(vs_input_semantic_name));
             vs_input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
             vs_input_semantic_index[slot] = num_generic++;
             break;
@@ -171,6 +172,7 @@ st_translate_vertex_program(struct st_context *st,
          case VERT_ATTRIB_GENERIC14:
          case VERT_ATTRIB_GENERIC15:
             assert(attr < VERT_ATTRIB_MAX);
+            assert(slot < Elements(vs_input_semantic_name));
             vs_input_semantic_name[slot] = TGSI_SEMANTIC_GENERIC;
             vs_input_semantic_index[slot] = num_generic++;
             break;
@@ -198,6 +200,7 @@ st_translate_vertex_program(struct st_context *st,
 
    /* initialize output semantics to defaults */
    for (i = 0; i < PIPE_MAX_SHADER_OUTPUTS; i++) {
+      assert(i < Elements(vs_output_semantic_name));
       vs_output_semantic_name[i] = TGSI_SEMANTIC_GENERIC;
       vs_output_semantic_index[i] = 0;
       output_flags[i] = 0x0;
@@ -273,6 +276,7 @@ st_translate_vertex_program(struct st_context *st,
          case VERT_RESULT_VAR0:
             /* fall-through */
          default:
+            assert(slot < Elements(vs_output_semantic_name));
             if (outputSemanticName) {
                /* use provided semantic into */
                assert(outputSemanticName[attr] != TGSI_SEMANTIC_COUNT);
@@ -286,6 +290,7 @@ st_translate_vertex_program(struct st_context *st,
             }
          }
 
+         assert(slot < Elements(output_flags));
          output_flags[slot] = stvp->Base.Base.OutputFlags[attr];
       }
    }