Merge branch 'mesa_7_5_branch'

Conflicts:

	src/mesa/drivers/dri/i915/i915_tex_layout.c
	src/mesa/drivers/dri/i965/brw_wm_glsl.c
	src/mesa/drivers/dri/intel/intel_buffer_objects.c
	src/mesa/drivers/dri/intel/intel_pixel_bitmap.c
	src/mesa/drivers/dri/intel/intel_pixel_draw.c
	src/mesa/main/enums.c
	src/mesa/main/texstate.c
	src/mesa/vbo/vbo_exec_array.c

3 files changed, 94 insertions, 127 deletions

diff --git a/progs/wgl/sharedtex_mt/sharedtex_mt.c b/progs/wgl/sharedtex_mt/sharedtex_mt.c
index 010eb873b85..779e15001db 100644
--- a/progs/wgl/sharedtex_mt/sharedtex_mt.c
+++ b/progs/wgl/sharedtex_mt/sharedtex_mt.c
@@ -50,6 +50,7 @@ struct window {
    float Angle;
    int Id;
    HGLRC sharedContext;
+   HANDLE hEventInitialised;
 };
 
 
@@ -414,6 +415,10 @@ threadRunner (void *arg)
       Error("Couldn't obtain HDC");
    }
 
+   /* Wait for the previous thread */
+   if(tia->id > 0)
+      WaitForSingleObject(Windows[tia->id - 1].hEventInitialised, INFINITE);
+
    pfd.cColorBits = 24;
    pfd.cDepthBits = 24;
    pfd.dwFlags = PFD_DOUBLEBUFFER | PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
@@ -434,9 +439,16 @@ threadRunner (void *arg)
    }
 
    if (win->sharedContext) {
-      wglShareLists(win->sharedContext, win->Context);
+      if(!wglShareLists(win->sharedContext, win->Context))
+         Error("Couldn't share WGL context lists");
    }
 
+   SetEvent(win->hEventInitialised);
+
+   /* Wait for all threads to initialize otherwise wglShareLists will fail */
+   if(tia->id < NumWindows - 1)
+      WaitForSingleObject(Windows[NumWindows - 1].hEventInitialised, INFINITE);
+
    SendMessage(win->Win, WM_SIZE, 0, 0);
 
    while (1) {
@@ -511,20 +523,26 @@ main(int argc, char *argv[])
    h[2] = AddWindow( 10, 350, gCtx);
    h[3] = AddWindow(330, 350, gCtx);
 
-   if (!wglMakeCurrent(gHDC, gCtx)) {
-      Error("wglMakeCurrent failed for init thread.");
-      return -1;
+   for (i = 0; i < NumWindows; i++) {
+      Windows[i].hEventInitialised = CreateEvent(NULL, TRUE, FALSE, NULL);
    }
 
-   InitGLstuff();
-
    for (i = 0; i < NumWindows; i++) {
       DWORD id;
 
       tia[i].id = i;
       threads[i] = CreateThread(NULL, 0, threadRunner, &tia[i], 0, &id);
+
+      WaitForSingleObject(Windows[i].hEventInitialised, INFINITE);
+   }
+
+   if (!wglMakeCurrent(gHDC, gCtx)) {
+      Error("wglMakeCurrent failed for init thread.");
+      return -1;
    }
 
+   InitGLstuff();
+
    while (1) {
       MSG msg;
 
diff --git a/progs/wgl/wglthreads/wglthreads.c b/progs/wgl/wglthreads/wglthreads.c
index 1a8219ccc94..27dca10f2a0 100644
--- a/progs/wgl/wglthreads/wglthreads.c
+++ b/progs/wgl/wglthreads/wglthreads.c
@@ -331,7 +331,9 @@ draw_loop(struct winthread *wt)
 
       if (Locking)
          EnterCriticalSection(&Mutex);
+
       SwapBuffers(wt->hDC);
+
       if (Locking)
          LeaveCriticalSection(&Mutex);
 
@@ -443,7 +445,7 @@ create_window(struct winthread *wt, HGLRC shareCtx)
    win = CreateWindowEx(0,
                         wc.lpszClassName,
                         "wglthreads",
-                        WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
+                        WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN | WS_TILEDWINDOW,
                         xpos,
                         ypos,
                         width,
@@ -481,7 +483,8 @@ create_window(struct winthread *wt, HGLRC shareCtx)
    }
 
    if (shareCtx) {
-      wglShareLists(shareCtx, ctx);
+      if(!wglShareLists(shareCtx, ctx))
+         Error("Couldn't share WGL context lists");
    }
 
    /* save the info for this window/context */
@@ -504,10 +507,22 @@ ThreadProc(void *p)
    struct winthread *wt = (struct winthread *) p;
    HGLRC share;
 
+   /* Wait for the previous thread */
+   if(Texture && wt->Index > 0) {
+      WaitForSingleObject(WinThreads[wt->Index - 1].hEventInitialised, INFINITE);
+      share = WinThreads[0].Context;
+   }
+   else
+      share = 0;
+
    share = (Texture && wt->Index > 0) ? WinThreads[0].Context : 0;
    create_window(wt, share);
    SetEvent(wt->hEventInitialised);
 
+   /* Wait for all threads to initialize otherwise wglShareLists will fail */
+   if(wt->Index < NumWinThreads - 1)
+      WaitForSingleObject(WinThreads[NumWinThreads - 1].hEventInitialised, INFINITE);
+
    draw_loop(wt);
    return 0;
 }
@@ -591,13 +606,17 @@ main(int argc, char *argv[])
 
       printf("wglthreads: creating threads\n");
 
-      /* Create the threads */
+      /* Create the events */
       for (i = 0; i < NumWinThreads; i++) {
-         DWORD id;
-
          WinThreads[i].Index = i;
          WinThreads[i].hEventInitialised = CreateEvent(NULL, TRUE, FALSE, NULL);
          WinThreads[i].hEventRedraw = CreateEvent(NULL, FALSE, FALSE, NULL);
+      }
+
+      /* Create the threads */
+      for (i = 0; i < NumWinThreads; i++) {
+         DWORD id;
+
          WinThreads[i].Thread = CreateThread(NULL,
                                              0,
                                              ThreadProc,
@@ -606,8 +625,6 @@ main(int argc, char *argv[])
                                              &id);
          printf("wglthreads: Created thread %p\n", (void *) WinThreads[i].Thread);
 
-         WaitForSingleObject(WinThreads[i].hEventInitialised, INFINITE);
-
          threads[i] = WinThreads[i].Thread;
       }
 
diff --git a/progs/xdemos/glxcontexts.c b/progs/xdemos/glxcontexts.c
index a97b62a9081..481749be3d8 100644
--- a/progs/xdemos/glxcontexts.c
+++ b/progs/xdemos/glxcontexts.c
@@ -20,16 +20,17 @@
  */
 
 /*
- * This is a port of the infamous "gears" demo to straight GLX (i.e. no GLUT)
- * Port by Brian Paul  23 March 2001
+ * Version of glxgears that creates/destroys the rendering context for each
+ * frame.  Also periodically destroy/recreate the window.
+ * Good for finding memory leaks, etc.
  *
  * Command line options:
  *    -info      print GL implementation information
- *    -stereo    use stereo enabled GLX visual
  *
  */
 
 
+#include <assert.h>
 #include <math.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -92,13 +93,8 @@ static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0;
 static GLint gear1, gear2, gear3;
 static GLfloat angle = 0.0;
 
-static GLboolean fullscreen = GL_FALSE;	/* Create a single fullscreen window */
-static GLboolean stereo = GL_FALSE;	/* Enable stereo.  */
-static GLfloat eyesep = 5.0;		/* Eye separation. */
-static GLfloat fix_point = 40.0;	/* Fixation point distance.  */
-static GLfloat left, right, asp;	/* Stereo frustum params.  */
-
-   XVisualInfo *visinfo;
+static XVisualInfo *visinfo = NULL;
+static int WinWidth = 300, WinHeight = 300;
 
 
 /*
@@ -272,22 +268,13 @@ do_draw(void)
 }
 
 
-
 /* new window size or exposure */
 static void
 reshape(int width, int height)
 {
    glViewport(0, 0, (GLint) width, (GLint) height);
 
-   if (stereo) {
-      GLfloat w;
-
-      asp = (GLfloat) height / (GLfloat) width;
-      w = fix_point * (1.0 / 5.0);
-
-      left = -5.0 * ((w - 0.5 * eyesep) / fix_point);
-      right = 5.0 * ((w + 0.5 * eyesep) / fix_point);
-   } else {
+   {
       GLfloat h = (GLfloat) height / (GLfloat) width;
 
       glMatrixMode(GL_PROJECTION);
@@ -299,7 +286,6 @@ reshape(int width, int height)
    glLoadIdentity();
    glTranslatef(0.0, 0.0, -40.0);
 }
-   
 
 
 static void
@@ -337,7 +323,7 @@ init(void)
 
    glEnable(GL_NORMALIZE);
 }
-
+   
 
 static void
 draw( Display *dpy, Window win )
@@ -354,36 +340,9 @@ draw( Display *dpy, Window win )
 
    init();
 
-   if (stereo) {
-      /* First left eye.  */
-      glDrawBuffer(GL_BACK_LEFT);
-
-      glMatrixMode(GL_PROJECTION);
-      glLoadIdentity();
-      glFrustum(left, right, -asp, asp, 5.0, 60.0);
+   reshape(WinWidth, WinHeight);
 
-      glMatrixMode(GL_MODELVIEW);
-
-      glPushMatrix();
-      glTranslated(+0.5 * eyesep, 0.0, 0.0);
-      do_draw();
-      glPopMatrix();
-
-      /* Then right eye.  */
-      glDrawBuffer(GL_BACK_RIGHT);
-
-      glMatrixMode(GL_PROJECTION);
-      glLoadIdentity();
-      glFrustum(-right, -left, -asp, asp, 5.0, 60.0);
-
-      glMatrixMode(GL_MODELVIEW);
-
-      glPushMatrix();
-      glTranslated(-0.5 * eyesep, 0.0, 0.0);
-      do_draw();
-      glPopMatrix();
-   } else
-      do_draw();
+   do_draw();
 
    glDeleteLists(gear1, 1);
    glDeleteLists(gear2, 1);
@@ -410,14 +369,6 @@ make_window( Display *dpy, const char *name,
                      GLX_DOUBLEBUFFER,
                      GLX_DEPTH_SIZE, 1,
                      None };
-   int stereoAttribs[] = { GLX_RGBA,
-                           GLX_RED_SIZE, 1,
-                           GLX_GREEN_SIZE, 1,
-                           GLX_BLUE_SIZE, 1,
-                           GLX_DOUBLEBUFFER,
-                           GLX_DEPTH_SIZE, 1,
-                           GLX_STEREO,
-                           None };
    int scrnum;
    XSetWindowAttributes attr;
    unsigned long mask;
@@ -427,22 +378,9 @@ make_window( Display *dpy, const char *name,
    scrnum = DefaultScreen( dpy );
    root = RootWindow( dpy, scrnum );
 
-   if (fullscreen) {
-      x = 0; y = 0;
-      width = DisplayWidth( dpy, scrnum );
-      height = DisplayHeight( dpy, scrnum );
-   }
-
-   if (stereo)
-      visinfo = glXChooseVisual( dpy, scrnum, stereoAttribs );
-   else
-      visinfo = glXChooseVisual( dpy, scrnum, attribs );
+   visinfo = glXChooseVisual( dpy, scrnum, attribs );
    if (!visinfo) {
-      if (stereo) {
-         printf("Error: couldn't get an RGB, "
-                "Double-buffered, Stereo visual\n");
-      } else
-         printf("Error: couldn't get an RGB, Double-buffered visual\n");
+      printf("Error: couldn't get an RGB, Double-buffered visual\n");
       exit(1);
    }
 
@@ -451,7 +389,7 @@ make_window( Display *dpy, const char *name,
    attr.border_pixel = 0;
    attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
    attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   attr.override_redirect = fullscreen;
+   attr.override_redirect = 0;
    mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask | CWOverrideRedirect;
 
    win = XCreateWindow( dpy, root, x, y, width, height,
@@ -479,10 +417,9 @@ static void
 event_loop(Display *dpy)
 {
    Window win;
-   make_window(dpy, "glxgears", 0, 0, 300, 300, &win);
+   make_window(dpy, "glxgears", 0, 0, WinWidth, WinHeight, &win);
    XMapWindow(dpy, win);
 
-
    while (1) {
       while (XPending(dpy) > 0) {
          XEvent event;
@@ -492,34 +429,35 @@ event_loop(Display *dpy)
             /* we'll redraw below */
 	    break;
 	 case ConfigureNotify:
-	    reshape(event.xconfigure.width, event.xconfigure.height);
+            WinWidth = event.xconfigure.width;
+            WinHeight = event.xconfigure.height;
 	    break;
          case KeyPress:
-	 {
-	    char buffer[10];
-	    int r, code;
-	    code = XLookupKeysym(&event.xkey, 0);
-	    if (code == XK_Left) {
-	       view_roty += 5.0;
-	    }
-	    else if (code == XK_Right) {
-	       view_roty -= 5.0;
-	    }
-	    else if (code == XK_Up) {
-	       view_rotx += 5.0;
-	    }
-	    else if (code == XK_Down) {
-	       view_rotx -= 5.0;
-	    }
-	    else {
-	       r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-				 NULL, NULL);
-	       if (buffer[0] == 27) {
-		  /* escape */
-		  return;
-	       }
-	    }
-	 }
+            {
+               char buffer[10];
+               int r, code;
+               code = XLookupKeysym(&event.xkey, 0);
+               if (code == XK_Left) {
+                  view_roty += 5.0;
+               }
+               else if (code == XK_Right) {
+                  view_roty -= 5.0;
+               }
+               else if (code == XK_Up) {
+                  view_rotx += 5.0;
+               }
+               else if (code == XK_Down) {
+                  view_rotx -= 5.0;
+               }
+               else {
+                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
+                                    NULL, NULL);
+                  if (buffer[0] == 27) {
+                     /* escape */
+                     return;
+                  }
+               }
+            }
          }
       }
 
@@ -550,9 +488,12 @@ event_loop(Display *dpy)
             printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds,
                    fps);
             tRate0 = t;
-	    
+
+            /* Destroy window and create new one */	    
 	    XDestroyWindow(dpy, win);
-	    make_window(dpy, "glxgears", (int)(fps * 100) % 100, (int)(fps * 100) % 100, 300, 300, &win);
+	    make_window(dpy, "glxgears",
+                        (int)(fps * 100) % 100, (int)(fps * 100) % 100, /* x,y */
+                        WinWidth, WinHeight, &win);
 	    XMapWindow(dpy, win);
 
             frames = 0;
@@ -562,7 +503,6 @@ event_loop(Display *dpy)
 }
 
 
-
 int
 main(int argc, char *argv[])
 {
@@ -579,12 +519,6 @@ main(int argc, char *argv[])
       else if (strcmp(argv[i], "-info") == 0) {
          printInfo = GL_TRUE;
       }
-      else if (strcmp(argv[i], "-stereo") == 0) {
-         stereo = GL_TRUE;
-      }
-      else if (strcmp(argv[i], "-fullscreen") == 0) {
-         fullscreen = GL_TRUE;
-      }
       else
 	 printf("Warrning: unknown parameter: %s\n", argv[i]);
    }
@@ -596,7 +530,6 @@ main(int argc, char *argv[])
       return -1;
    }
 
-
    if (printInfo) {
       printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
       printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
@@ -604,7 +537,6 @@ main(int argc, char *argv[])
       printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
    }
 
-
    event_loop(dpy);
 
    XCloseDisplay(dpy);