Merge branch 'master' into lp-surface-tilinglp-surface-tiling

This brings in the gallium-resources branch changes.  Things seem to be
working but there's probabaly bugs to be found.

Conflicts:

	src/gallium/drivers/llvmpipe/lp_rast.c
	src/gallium/drivers/llvmpipe/lp_scene.c
	src/gallium/drivers/llvmpipe/lp_texture.c
	src/gallium/drivers/llvmpipe/lp_texture.h

6 files changed, 710 insertions, 545 deletions

diff --git a/progs/egl/opengles1/.gitignore b/progs/egl/opengles1/.gitignore
index 2caf094edb..135e3deb35 100644
--- a/progs/egl/opengles1/.gitignore
+++ b/progs/egl/opengles1/.gitignore
@@ -1,12 +1,15 @@
 bindtex
-drawtex
+drawtex_x11
+drawtex_screen
 es1_info
 gears_x11
 gears_screen
 msaa
 pbuffer
 render_tex
-torus
+texture_from_pixmap
+torus_x11
+torus_screen
 tri_x11
 tri_screen
 two_win
diff --git a/progs/egl/opengles1/Makefile b/progs/egl/opengles1/Makefile
index c575a9703e..554cff9e6b 100644
--- a/progs/egl/opengles1/Makefile
+++ b/progs/egl/opengles1/Makefile
@@ -22,7 +22,9 @@ ES1_LIBS = \
 EGLUT_DIR = $(TOP)/progs/egl/eglut
 
 EGLUT_DEMOS = \
+	drawtex \
 	gears \
+	torus \
 	tri
 
 EGLUT_X11_DEMOS := $(addsuffix _x11,$(EGLUT_DEMOS))
@@ -30,12 +32,11 @@ EGLUT_SCREEN_DEMOS := $(addsuffix _screen,$(EGLUT_DEMOS))
 
 PROGRAMS = \
 	bindtex \
-	drawtex \
 	es1_info \
 	msaa \
 	pbuffer \
 	render_tex \
-	torus \
+	texture_from_pixmap \
 	two_win
 
 
@@ -52,10 +53,6 @@ bindtex: bindtex.o $(ES1_LIB_DEPS)
 	$(CC) $(CFLAGS) bindtex.o $(ES1_LIBS) -o $@
 
 
-drawtex: drawtex.o $(ES1_LIB_DEPS)
-	$(CC) $(CFLAGS) drawtex.o $(ES1_LIBS) -o $@
-
-
 es1_info: es1_info.o $(ES1_LIB_DEPS)
 	$(CC) $(CFLAGS) es1_info.o $(ES1_LIBS) -o $@
 
@@ -72,6 +69,9 @@ render_tex: render_tex.o $(ES1_LIB_DEPS)
 	$(CC) $(CFLAGS) render_tex.o $(ES1_LIBS) -o $@
 
 
+texture_from_pixmap: texture_from_pixmap.o $(ES1_LIB_DEPS)
+	$(CC) $(CFLAGS) texture_from_pixmap.o $(ES1_LIBS) -o $@
+
 torus: torus.o $(ES1_LIB_DEPS)
 	$(CC) $(CFLAGS) torus.o $(ES1_LIBS) -o $@
 
diff --git a/progs/egl/opengles1/drawtex.c b/progs/egl/opengles1/drawtex.c
index ca0615e267..e9ac015340 100644
--- a/progs/egl/opengles1/drawtex.c
+++ b/progs/egl/opengles1/drawtex.c
@@ -10,22 +10,20 @@
 
 #define GL_GLEXT_PROTOTYPES
 
-#include <assert.h>
 #include <math.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
 #include <GLES/gl.h>
 #include <GLES/glext.h>
-#include <EGL/egl.h>
 
+#include "eglut.h"
 
 
 static GLfloat view_posx = 10.0, view_posy = 20.0;
 static GLfloat width = 200, height = 200;
+static GLboolean animate = GL_FALSE;
+static int win;
 
 
 static void
@@ -137,291 +135,83 @@ init(void)
 }
 
 
-/*
- * Create an RGB, double-buffered X window.
- * Return the window and context handles.
- */
 static void
-make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
-              const char *name,
-              int x, int y, int width, int height,
-              Window *winRet,
-              EGLContext *ctxRet,
-              EGLSurface *surfRet)
+idle(void)
 {
-   static const EGLint attribs[] = {
-      EGL_RED_SIZE, 1,
-      EGL_GREEN_SIZE, 1,
-      EGL_BLUE_SIZE, 1,
-      EGL_NONE
-   };
-
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-   XVisualInfo *visInfo, visTemplate;
-   int num_visuals;
-   EGLContext ctx;
-   EGLConfig config;
-   EGLint num_configs;
-   EGLint vid;
-
-   scrnum = DefaultScreen( x_dpy );
-   root = RootWindow( x_dpy, scrnum );
-
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
-      printf("Error: couldn't get an EGL visual config\n");
-      exit(1);
-   }
-
-   assert(config);
-   assert(num_configs > 0);
-
-   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
-      printf("Error: eglGetConfigAttrib() failed\n");
-      exit(1);
-   }
-
-   /* The X window visual must match the EGL config */
-   visTemplate.visualid = vid;
-   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
-   if (!visInfo) {
-      printf("Error: couldn't get X visual\n");
-      exit(1);
-   }
-
-   /* window attributes */
-   attr.background_pixel = 0;
-   attr.border_pixel = 0;
-   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
-   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
-
-   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
-		        0, visInfo->depth, InputOutput,
-		        visInfo->visual, mask, &attr );
-
-   /* set hints and properties */
-   {
-      XSizeHints sizehints;
-      sizehints.x = x;
-      sizehints.y = y;
-      sizehints.width  = width;
-      sizehints.height = height;
-      sizehints.flags = USSize | USPosition;
-      XSetNormalHints(x_dpy, win, &sizehints);
-      XSetStandardProperties(x_dpy, win, name, name,
-                              None, (char **)NULL, 0, &sizehints);
-   }
-
-   eglBindAPI(EGL_OPENGL_ES_API);
-
-   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
-   if (!ctx) {
-      printf("Error: eglCreateContext failed\n");
-      exit(1);
-   }
-
-   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
-
-   if (!*surfRet) {
-      printf("Error: eglCreateWindowSurface failed\n");
-      exit(1);
+   if (animate) {
+      view_posx += 1.0;
+      view_posy += 2.0;
+      eglutPostRedisplay();
    }
-
-   XFree(visInfo);
-
-   *winRet = win;
-   *ctxRet = ctx;
 }
 
-
 static void
-event_loop(Display *dpy, Window win,
-           EGLDisplay egl_dpy, EGLSurface egl_surf)
+key(unsigned char key)
 {
-   int anim = 0;
-
-   while (1) {
-      int redraw = 0;
-
-      if (!anim || XPending(dpy)) {
-         XEvent event;
-         XNextEvent(dpy, &event);
-
-         switch (event.type) {
-         case Expose:
-            redraw = 1;
-            break;
-         case ConfigureNotify:
-            reshape(event.xconfigure.width, event.xconfigure.height);
-            break;
-         case KeyPress:
-            {
-               char buffer[10];
-               int r, code;
-               code = XLookupKeysym(&event.xkey, 0);
-               if (code == XK_Left) {
-               view_posx -= 1.0;
-               }
-               else if (code == XK_Right) {
-                  view_posx += 1.0;
-               }
-               else if (code == XK_Up) {
-                  view_posy += 1.0;
-               }
-               else if (code == XK_Down) {
-                  view_posy -= 1.0;
-               }
-               else {
-                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-                                    NULL, NULL);
-                  if (buffer[0] == ' ') {
-                     anim = !anim;
-                  }
-                  else if (buffer[0] == 'w') {
-                     width -= 1.0f;
-                  }
-                  else if (buffer[0] == 'W') {
-                     width += 1.0f;
-                  }
-                  else if (buffer[0] == 'h') {
-                     height -= 1.0f;
-                  }
-                  else if (buffer[0] == 'H') {
-                     height += 1.0f;
-                  }
-                  else if (buffer[0] == 27) {
-                     /* escape */
-                     return;
-                  }
-               }
-            }
-            redraw = 1;
-            break;
-         default:
-            ; /*no-op*/
-         }
-      }
-
-      if (anim) {
-         view_posx += 1.0;
-         view_posy += 2.0;
-         redraw = 1;
-      }
-
-      if (redraw) {
-         draw();
-         eglSwapBuffers(egl_dpy, egl_surf);
-      }
+   switch (key) {
+   case ' ':
+      animate = !animate;
+      break;
+   case 'w':
+      width -= 1.0f;
+      break;
+   case 'W':
+      width += 1.0f;
+      break;
+   case 'h':
+      height -= 1.0f;
+      break;
+   case 'H':
+      height += 1.0f;
+      break;
+   case 27:
+      eglutDestroyWindow(win);
+      exit(0);
+      break;
+   default:
+      break;
    }
 }
 
-
 static void
-usage(void)
+special_key(int key)
 {
-   printf("Usage:\n");
-   printf("  -display <displayname>  set the display to run on\n");
-   printf("  -info                   display OpenGL renderer info\n");
+   switch (key) {
+   case EGLUT_KEY_LEFT:
+      view_posx -= 1.0;
+      break;
+   case EGLUT_KEY_RIGHT:
+      view_posx += 1.0;
+      break;
+   case EGLUT_KEY_UP:
+      view_posy += 1.0;
+      break;
+   case EGLUT_KEY_DOWN:
+      view_posy -= 1.0;
+      break;
+   default:
+      break;
+   }
 }
- 
 
 int
 main(int argc, char *argv[])
 {
-   const int winWidth = 400, winHeight = 300;
-   Display *x_dpy;
-   Window win;
-   EGLSurface egl_surf;
-   EGLContext egl_ctx;
-   EGLDisplay egl_dpy;
-   char *dpyName = NULL;
-   GLboolean printInfo = GL_FALSE;
-   EGLint egl_major, egl_minor;
-   int i;
-   const char *s;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-display") == 0) {
-         dpyName = argv[i+1];
-         i++;
-      }
-      else if (strcmp(argv[i], "-info") == 0) {
-         printInfo = GL_TRUE;
-      }
-      else {
-         usage();
-         return -1;
-      }
-   }
-
-   x_dpy = XOpenDisplay(dpyName);
-   if (!x_dpy) {
-      printf("Error: couldn't open display %s\n",
-	     dpyName ? dpyName : getenv("DISPLAY"));
-      return -1;
-   }
-
-   egl_dpy = eglGetDisplay(x_dpy);
-   if (!egl_dpy) {
-      printf("Error: eglGetDisplay() failed\n");
-      return -1;
-   }
+   eglutInitWindowSize(400, 300);
+   eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+   eglutInit(argc, argv);
 
-   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
-      printf("Error: eglInitialize() failed\n");
-      return -1;
-   }
-
-   s = eglQueryString(egl_dpy, EGL_VERSION);
-   printf("EGL_VERSION = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_VENDOR);
-   printf("EGL_VENDOR = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
-   printf("EGL_EXTENSIONS = %s\n", s);
+   win = eglutCreateWindow("drawtex");
 
-   s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
-   printf("EGL_CLIENT_APIS = %s\n", s);
-
-   make_x_window(x_dpy, egl_dpy,
-                 "drawtex", 0, 0, winWidth, winHeight,
-                 &win, &egl_ctx, &egl_surf);
-
-   XMapWindow(x_dpy, win);
-   if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
-      printf("Error: eglMakeCurrent() failed\n");
-      return -1;
-   }
-
-   if (printInfo) {
-      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
-   }
+   eglutIdleFunc(idle);
+   eglutReshapeFunc(reshape);
+   eglutDisplayFunc(draw);
+   eglutKeyboardFunc(key);
+   eglutSpecialFunc(special_key);
 
    init();
 
-   /* Set initial projection/viewing transformation.
-    * We can't be sure we'll get a ConfigureNotify event when the window
-    * first appears.
-    */
-   reshape(winWidth, winHeight);
-
-   event_loop(x_dpy, win, egl_dpy, egl_surf);
-
-   eglDestroyContext(egl_dpy, egl_ctx);
-   eglDestroySurface(egl_dpy, egl_surf);
-   eglTerminate(egl_dpy);
-
-
-   XDestroyWindow(x_dpy, win);
-   XCloseDisplay(x_dpy);
+   eglutMainLoop();
 
    return 0;
 }
diff --git a/progs/egl/opengles1/pbuffer.c b/progs/egl/opengles1/pbuffer.c
index 011c2af58f..60f864445a 100644
--- a/progs/egl/opengles1/pbuffer.c
+++ b/progs/egl/opengles1/pbuffer.c
@@ -168,6 +168,8 @@ draw_both(EGLDisplay egl_dpy, EGLSurface egl_surf, EGLSurface egl_pbuf,
    glReadPixels(0, 0, WinWidth, WinHeight, GL_RGBA, GL_UNSIGNED_BYTE, wbuf);
    printf("Window[%d,%d] = 0x%08x\n", x, y, wbuf[y*WinWidth+x]);
 
+   eglSwapBuffers(egl_dpy, egl_surf);
+
    /* then draw to pbuffer */
    if (!eglMakeCurrent(egl_dpy, egl_pbuf, egl_pbuf, egl_ctx)) {
       printf("Error: eglMakeCurrent(pbuffer) failed\n");
@@ -177,7 +179,6 @@ draw_both(EGLDisplay egl_dpy, EGLSurface egl_surf, EGLSurface egl_pbuf,
    glReadPixels(0, 0, WinWidth, WinHeight, GL_RGBA, GL_UNSIGNED_BYTE, pbuf);
    printf("Pbuffer[%d,%d] = 0x%08x\n", x, y, pbuf[y*WinWidth+x]);
 
-   eglSwapBuffers(egl_dpy, egl_surf);
 
    /* compare renderings */
    for (dif = i = 0; i < WinWidth * WinHeight; i++) {
diff --git a/progs/egl/opengles1/texture_from_pixmap.c b/progs/egl/opengles1/texture_from_pixmap.c
new file mode 100644
index 0000000000..8e7e803d78
--- /dev/null
+++ b/progs/egl/opengles1/texture_from_pixmap.c
@@ -0,0 +1,579 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Chia-I Wu <olv@lunarg.com>
+ */
+
+/*
+ * This demo uses EGL_KHR_image_pixmap and GL_OES_EGL_image to demonstrate
+ * texture-from-pixmap.
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h> /* for usleep */
+#include <sys/time.h> /* for gettimeofday */
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/keysym.h>
+#include <GLES/gl.h>
+#include <GLES/glext.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+struct app_data {
+   /* native */
+   Display *xdpy;
+   Window canvas, cube;
+   Pixmap pix;
+   unsigned int width, height, depth;
+   GC fg, bg;
+
+   /* EGL */
+   EGLDisplay dpy;
+   EGLContext ctx;
+   EGLSurface surf;
+   EGLImageKHR img;
+
+   /* OpenGL ES */
+   GLuint texture;
+
+   PFNEGLCREATEIMAGEKHRPROC eglCreateImageKHR;
+   PFNEGLDESTROYIMAGEKHRPROC eglDestroyImageKHR;
+   PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES;
+
+   /* app state */
+   Bool loop;
+   Bool redraw, reshape;
+
+   struct {
+      Bool active;
+      unsigned long next_frame; /* in ms */
+      float view_rotx;
+      float view_roty;
+      float view_rotz;
+
+   } animate;
+
+   struct {
+      Bool active;
+      int x1, y1;
+      int x2, y2;
+   } paint;
+};
+
+static void
+gl_redraw(void)
+{
+   const GLfloat verts[4][2] = {
+      { -1, -1 },
+      {  1, -1 },
+      {  1,  1 },
+      { -1,  1 }
+   };
+   const GLfloat texcoords[4][2] = {
+      { 0, 1 },
+      { 1, 1 },
+      { 1, 0 },
+      { 0, 0 }
+   };
+   const GLfloat faces[6][4] = {
+      {   0, 0, 1, 0 },
+      {  90, 0, 1, 0 },
+      { 180, 0, 1, 0 },
+      { 270, 0, 1, 0 },
+      {  90, 1, 0, 0 },
+      { -90, 1, 0, 0 }
+   };
+   GLint i;
+
+   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+   glVertexPointer(2, GL_FLOAT, 0, verts);
+   glTexCoordPointer(2, GL_FLOAT, 0, texcoords);
+
+   glEnableClientState(GL_VERTEX_ARRAY);
+   glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
+   for (i = 0; i < 6; i++) {
+      glPushMatrix();
+      glRotatef(faces[i][0], faces[i][1], faces[i][2], faces[i][3]);
+      glTranslatef(0, 0, 1.0);
+      glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
+      glPopMatrix();
+   }
+
+   glDisableClientState(GL_VERTEX_ARRAY);
+   glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+static void
+gl_reshape(int width, int height)
+{
+   GLfloat ar = (GLfloat) width / (GLfloat) height;
+
+   glViewport(0, 0, width, height);
+
+   glMatrixMode(GL_PROJECTION);
+   glLoadIdentity();
+   glFrustumf(-ar, ar, -1, 1, 5.0, 60.0);
+   
+   glMatrixMode(GL_MODELVIEW);
+   glLoadIdentity();
+   glTranslatef(0.0, 0.0, -10.0);
+}
+
+static void
+app_redraw(struct app_data *data)
+{
+   /* pixmap has changed */
+   if (data->reshape || data->paint.active) {
+      eglWaitNative(EGL_CORE_NATIVE_ENGINE);
+
+      if (data->reshape) {
+         data->glEGLImageTargetTexture2DOES(GL_TEXTURE_2D,
+               (GLeglImageOES) data->img);
+      }
+   }
+
+   XCopyArea(data->xdpy, data->pix, data->canvas, data->fg,
+         0, 0, data->width, data->height, 0, 0);
+
+   glPushMatrix();
+   glRotatef(data->animate.view_rotx, 1, 0, 0);
+   glRotatef(data->animate.view_roty, 0, 1, 0);
+   glRotatef(data->animate.view_rotz, 0, 0, 1);
+   gl_redraw();
+   glPopMatrix();
+
+   eglSwapBuffers(data->dpy, data->surf);
+}
+
+static void
+app_reshape(struct app_data *data)
+{
+   const EGLint img_attribs[] = {
+      EGL_IMAGE_PRESERVED_KHR, EGL_TRUE,
+      EGL_NONE
+   };
+
+   XResizeWindow(data->xdpy, data->cube, data->width, data->height);
+   XMoveWindow(data->xdpy, data->cube, data->width, 0);
+
+   if (data->img)
+      data->eglDestroyImageKHR(data->dpy, data->img);
+   if (data->pix)
+      XFreePixmap(data->xdpy, data->pix);
+
+   data->pix = XCreatePixmap(data->xdpy, data->canvas, data->width, data->height, data->depth);
+   XFillRectangle(data->xdpy, data->pix, data->bg, 0, 0, data->width, data->height);
+
+   data->img = data->eglCreateImageKHR(data->dpy, EGL_NO_CONTEXT,
+         EGL_NATIVE_PIXMAP_KHR, (EGLClientBuffer) data->pix, img_attribs);
+
+   gl_reshape(data->width, data->height);
+}
+
+static void
+app_toggle_animate(struct app_data *data)
+{
+   data->animate.active = !data->animate.active;
+
+   if (data->animate.active) {
+      struct timeval tv;
+
+      gettimeofday(&tv, NULL);
+      data->animate.next_frame = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+   }
+}
+
+static void
+app_next_event(struct app_data *data)
+{
+   XEvent event;
+
+   data->reshape = False;
+   data->redraw = False;
+   data->paint.active = False;
+
+   if (data->animate.active) {
+      struct timeval tv;
+      unsigned long now;
+
+      gettimeofday(&tv, NULL);
+      now = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+
+      /* wait for next frame */
+      if (!XPending(data->xdpy) && now < data->animate.next_frame) {
+         usleep((data->animate.next_frame - now) * 1000);
+         gettimeofday(&tv, NULL);
+         now = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+      }
+
+      while (now >= data->animate.next_frame) {
+         data->animate.view_rotx += 1.0;
+         data->animate.view_roty += 2.0;
+         data->animate.view_rotz += 1.5;
+
+         /* 30fps */
+         data->animate.next_frame += 1000 / 30;
+      }
+
+      /* check again in case there were events when sleeping */
+      if (!XPending(data->xdpy)) {
+         data->redraw = True;
+         return;
+      }
+   }
+
+   XNextEvent(data->xdpy, &event);
+
+   switch (event.type) {
+   case ConfigureNotify:
+      data->width = event.xconfigure.width / 2;
+      data->height = event.xconfigure.height;
+      data->reshape = True;
+      break;
+   case Expose:
+      data->redraw = True;
+      break;
+   case KeyPress:
+      {
+         int code;
+
+         code = XLookupKeysym(&event.xkey, 0);
+         switch (code) {
+         case XK_a:
+            app_toggle_animate(data);
+            break;
+         case XK_Escape:
+            data->loop = False;
+            break;
+         default:
+            break;
+         }
+      }
+      break;
+   case ButtonPress:
+      data->paint.x1 = data->paint.x2 = event.xbutton.x;
+      data->paint.y1 = data->paint.y2 = event.xbutton.y;
+      break;
+   case ButtonRelease:
+      data->paint.active = False;
+      break;
+   case MotionNotify:
+      data->paint.x1 = data->paint.x2;
+      data->paint.y1 = data->paint.y2;
+      data->paint.x2 = event.xmotion.x;
+      data->paint.y2 = event.xmotion.y;
+      data->paint.active = True;
+      break;
+   default:
+      break;
+   }
+
+   if (data->paint.active || data->reshape)
+      data->redraw = True;
+}
+
+static void
+app_init_gl(struct app_data *data)
+{
+   glClearColor(0.1, 0.1, 0.3, 0.0);
+   glColor4f(1.0, 1.0, 1.0, 1.0);
+
+   glGenTextures(1, &data->texture);
+
+   glBindTexture(GL_TEXTURE_2D, data->texture);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+   glEnable(GL_TEXTURE_2D);
+   glEnable(GL_DEPTH_TEST);
+}
+
+static Bool
+app_init_exts(struct app_data *data)
+{
+   const char *exts;
+
+   exts = eglQueryString(data->dpy, EGL_EXTENSIONS);
+   data->eglCreateImageKHR =
+      (PFNEGLCREATEIMAGEKHRPROC) eglGetProcAddress("eglCreateImageKHR");
+   data->eglDestroyImageKHR =
+      (PFNEGLDESTROYIMAGEKHRPROC) eglGetProcAddress("eglDestroyImageKHR");
+   if (!exts || !strstr(exts, "EGL_KHR_image_pixmap") ||
+       !data->eglCreateImageKHR || !data->eglDestroyImageKHR) {
+      printf("EGL does not support EGL_KHR_image_pixmap\n");
+      return False;
+   }
+
+   exts = (const char *) glGetString(GL_EXTENSIONS);
+   data->glEGLImageTargetTexture2DOES = (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)
+      eglGetProcAddress("glEGLImageTargetTexture2DOES");
+   if (!exts || !strstr(exts, "GL_OES_EGL_image") ||
+       !data->glEGLImageTargetTexture2DOES) {
+      printf("OpenGL ES does not support GL_OES_EGL_image\n");
+      return False;
+   }
+
+   return True;
+}
+
+static void
+app_run(struct app_data *data)
+{
+   Window root;
+   int x, y;
+   unsigned int border;
+
+   if (!eglMakeCurrent(data->dpy, data->surf, data->surf, data->ctx))
+      return;
+
+   if (!app_init_exts(data))
+      return;
+
+   printf("Draw something on the left with the mouse!\n");
+
+   app_init_gl(data);
+
+   if (!XGetGeometry(data->xdpy, data->canvas, &root, &x, &y,
+            &data->width, &data->height, &border, &data->depth))
+      return;
+   data->width /= 2;
+
+   app_reshape(data);
+
+   XMapWindow(data->xdpy, data->canvas);
+   XMapWindow(data->xdpy, data->cube);
+
+   app_toggle_animate(data);
+   data->loop = True;
+
+   while (data->loop) {
+      app_next_event(data);
+
+      if (data->reshape)
+         app_reshape(data);
+      if (data->paint.active) {
+         XDrawLine(data->xdpy, data->pix, data->fg,
+               data->paint.x1, data->paint.y1,
+               data->paint.x2, data->paint.y2);
+      }
+
+      if (data->redraw)
+         app_redraw(data);
+   }
+
+   eglMakeCurrent(data->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+}
+
+static Bool
+make_x_window(struct app_data *data, const char *name,
+              int x, int y, int width, int height)
+{
+   static const EGLint attribs[] = {
+      EGL_RED_SIZE, 1,
+      EGL_GREEN_SIZE, 1,
+      EGL_BLUE_SIZE, 1,
+      EGL_DEPTH_SIZE, 1,
+      EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT,
+      EGL_NONE
+   };
+   static const EGLint ctx_attribs[] = {
+      EGL_CONTEXT_CLIENT_VERSION, 1,
+      EGL_NONE
+   };
+   int scrnum;
+   XSetWindowAttributes attr;
+   unsigned long mask;
+   Window root;
+   Window win;
+   XVisualInfo *visInfo, visTemplate;
+   int num_visuals;
+   EGLConfig config;
+   EGLint num_configs;
+   EGLint vid;
+
+   scrnum = DefaultScreen( data->xdpy );
+   root = RootWindow( data->xdpy, scrnum );
+
+   if (!eglChooseConfig( data->dpy, attribs, &config, 1, &num_configs)) {
+      printf("Error: couldn't get an EGL visual config\n");
+      exit(1);
+   }
+
+   assert(config);
+   assert(num_configs > 0);
+
+   if (!eglGetConfigAttrib(data->dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
+      printf("Error: eglGetConfigAttrib() failed\n");
+      exit(1);
+   }
+
+   /* The X window visual must match the EGL config */
+   visTemplate.visualid = vid;
+   visInfo = XGetVisualInfo(data->xdpy, VisualIDMask, &visTemplate, &num_visuals);
+   if (!visInfo) {
+      printf("Error: couldn't get X visual\n");
+      exit(1);
+   }
+
+   /* window attributes */
+   attr.background_pixel = 0;
+   attr.border_pixel = 0;
+   attr.colormap = XCreateColormap( data->xdpy, root, visInfo->visual, AllocNone);
+   attr.event_mask = StructureNotifyMask | ExposureMask |
+                     KeyPressMask | ButtonPressMask | ButtonMotionMask;
+   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
+
+   win = XCreateWindow( data->xdpy, root, 0, 0, width * 2, height,
+		        0, visInfo->depth, InputOutput,
+		        visInfo->visual, mask, &attr );
+
+   /* set hints and properties */
+   {
+      XSizeHints sizehints;
+      sizehints.x = x;
+      sizehints.y = y;
+      sizehints.width  = width;
+      sizehints.height = height;
+      sizehints.flags = USSize | USPosition;
+      XSetNormalHints(data->xdpy, win, &sizehints);
+      XSetStandardProperties(data->xdpy, win, name, name,
+                              None, (char **)NULL, 0, &sizehints);
+   }
+
+   data->canvas = win;
+
+   attr.event_mask = 0x0;
+   win = XCreateWindow( data->xdpy, win, width, 0, width, height,
+		        0, visInfo->depth, InputOutput,
+		        visInfo->visual, mask, &attr );
+   data->cube = win;
+
+   eglBindAPI(EGL_OPENGL_ES_API);
+
+   data->ctx = eglCreateContext(data->dpy, config, EGL_NO_CONTEXT, ctx_attribs );
+   if (!data->ctx) {
+      printf("Error: eglCreateContext failed\n");
+      exit(1);
+   }
+
+   data->surf = eglCreateWindowSurface(data->dpy, config, data->cube, NULL);
+   if (!data->surf) {
+      printf("Error: eglCreateWindowSurface failed\n");
+      exit(1);
+   }
+
+   XFree(visInfo);
+
+   return (data->canvas && data->cube && data->ctx && data->surf);
+}
+
+static void
+app_fini(struct app_data *data)
+{
+   if (data->img)
+      data->eglDestroyImageKHR(data->dpy, data->img);
+   if (data->pix)
+      XFreePixmap(data->xdpy, data->pix);
+
+   if (data->fg)
+      XFreeGC(data->xdpy, data->fg);
+   if (data->bg)
+      XFreeGC(data->xdpy, data->bg);
+
+   if (data->surf)
+      eglDestroySurface(data->dpy, data->surf);
+   if (data->ctx)
+      eglDestroyContext(data->dpy, data->ctx);
+
+   if (data->cube)
+      XDestroyWindow(data->xdpy, data->cube);
+   if (data->canvas)
+      XDestroyWindow(data->xdpy, data->canvas);
+
+   if (data->dpy)
+      eglTerminate(data->dpy);
+   if (data->xdpy)
+      XCloseDisplay(data->xdpy);
+}
+
+static Bool
+app_init(struct app_data *data, int argc, char **argv)
+{
+   XGCValues gc_vals;
+
+   memset(data, 0, sizeof(*data));
+
+   data->xdpy = XOpenDisplay(NULL);
+   if (!data->xdpy)
+      goto fail;
+
+   data->dpy = eglGetDisplay(data->xdpy);
+   if (!data->dpy || !eglInitialize(data->dpy, NULL, NULL))
+      goto fail;
+
+   if (!make_x_window(data, "EGLImage TFP", 0, 0, 300, 300))
+      goto fail;
+
+   gc_vals.function = GXcopy;
+   gc_vals.foreground = WhitePixel(data->xdpy, DefaultScreen(data->xdpy));
+   gc_vals.line_width = 3;
+   gc_vals.line_style = LineSolid;
+   gc_vals.fill_style = FillSolid;
+
+   data->fg = XCreateGC(data->xdpy, data->canvas,
+         GCFunction | GCForeground | GCLineWidth | GCLineStyle | GCFillStyle,
+         &gc_vals);
+   gc_vals.foreground = BlackPixel(data->xdpy, DefaultScreen(data->xdpy));
+   data->bg = XCreateGC(data->xdpy, data->canvas,
+         GCFunction | GCForeground | GCLineWidth | GCLineStyle | GCFillStyle,
+         &gc_vals);
+   if (!data->fg || !data->bg)
+      goto fail;
+
+   return True;
+
+fail:
+   app_fini(data);
+   return False;
+}
+
+int
+main(int argc, char **argv)
+{
+   struct app_data data;
+
+   if (app_init(&data, argc, argv)) {
+      app_run(&data);
+      app_fini(&data);
+   }
+
+   return 0;
+}
diff --git a/progs/egl/opengles1/torus.c b/progs/egl/opengles1/torus.c
index 9438a4fe59..8f262b53d6 100644
--- a/progs/egl/opengles1/torus.c
+++ b/progs/egl/opengles1/torus.c
@@ -13,14 +13,9 @@
 #include <math.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <string.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/keysym.h>
 #include <GLES/gl.h>
-#include <GLES/glext.h>
-#include <EGL/egl.h>
 
+#include "eglut.h"
 
 static const struct {
    GLenum internalFormat;
@@ -43,6 +38,8 @@ static const struct {
 
 static GLfloat view_rotx = 0.0, view_roty = 0.0, view_rotz = 0.0;
 static GLint tex_format = NUM_CPAL_FORMATS;
+static GLboolean animate = GL_TRUE;
+static int win;
 
 
 static void
@@ -364,293 +361,88 @@ init(void)
 }
 
 
-/*
- * Create an RGB, double-buffered X window.
- * Return the window and context handles.
- */
 static void
-make_x_window(Display *x_dpy, EGLDisplay egl_dpy,
-              const char *name,
-              int x, int y, int width, int height,
-              Window *winRet,
-              EGLContext *ctxRet,
-              EGLSurface *surfRet)
+idle(void)
 {
-   static const EGLint attribs[] = {
-      EGL_RED_SIZE, 1,
-      EGL_GREEN_SIZE, 1,
-      EGL_BLUE_SIZE, 1,
-      EGL_DEPTH_SIZE, 1,
-      EGL_NONE
-   };
-
-   int scrnum;
-   XSetWindowAttributes attr;
-   unsigned long mask;
-   Window root;
-   Window win;
-   XVisualInfo *visInfo, visTemplate;
-   int num_visuals;
-   EGLContext ctx;
-   EGLConfig config;
-   EGLint num_configs;
-   EGLint vid;
-
-   scrnum = DefaultScreen( x_dpy );
-   root = RootWindow( x_dpy, scrnum );
-
-   if (!eglChooseConfig( egl_dpy, attribs, &config, 1, &num_configs)) {
-      printf("Error: couldn't get an EGL visual config\n");
-      exit(1);
-   }
-
-   assert(config);
-   assert(num_configs > 0);
-
-   if (!eglGetConfigAttrib(egl_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
-      printf("Error: eglGetConfigAttrib() failed\n");
-      exit(1);
-   }
-
-   /* The X window visual must match the EGL config */
-   visTemplate.visualid = vid;
-   visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
-   if (!visInfo) {
-      printf("Error: couldn't get X visual\n");
-      exit(1);
-   }
-
-   /* window attributes */
-   attr.background_pixel = 0;
-   attr.border_pixel = 0;
-   attr.colormap = XCreateColormap( x_dpy, root, visInfo->visual, AllocNone);
-   attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask;
-   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
-
-   win = XCreateWindow( x_dpy, root, 0, 0, width, height,
-		        0, visInfo->depth, InputOutput,
-		        visInfo->visual, mask, &attr );
-
-   /* set hints and properties */
-   {
-      XSizeHints sizehints;
-      sizehints.x = x;
-      sizehints.y = y;
-      sizehints.width  = width;
-      sizehints.height = height;
-      sizehints.flags = USSize | USPosition;
-      XSetNormalHints(x_dpy, win, &sizehints);
-      XSetStandardProperties(x_dpy, win, name, name,
-                              None, (char **)NULL, 0, &sizehints);
-   }
-
-   eglBindAPI(EGL_OPENGL_ES_API);
-
-   ctx = eglCreateContext(egl_dpy, config, EGL_NO_CONTEXT, NULL );
-   if (!ctx) {
-      printf("Error: eglCreateContext failed\n");
-      exit(1);
-   }
-
-   *surfRet = eglCreateWindowSurface(egl_dpy, config, win, NULL);
-
-   if (!*surfRet) {
-      printf("Error: eglCreateWindowSurface failed\n");
-      exit(1);
+   if (animate) {
+      view_rotx += 1.0;
+      view_roty += 2.0;
+      eglutPostRedisplay();
    }
-
-   XFree(visInfo);
-
-   *winRet = win;
-   *ctxRet = ctx;
 }
 
-
 static void
-event_loop(Display *dpy, Window win,
-           EGLDisplay egl_dpy, EGLSurface egl_surf)
+key(unsigned char key)
 {
-   int anim = 1;
-
-   while (1) {
-      int redraw = 0;
-
-      if (!anim || XPending(dpy)) {
-         XEvent event;
-         XNextEvent(dpy, &event);
-
-         switch (event.type) {
-         case Expose:
-            redraw = 1;
-            break;
-         case ConfigureNotify:
-            reshape(event.xconfigure.width, 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 if (code == XK_t) {
-                  GLint size;
-                  tex_format = (tex_format + 1) % (NUM_CPAL_FORMATS + 1);
-                  if (tex_format < NUM_CPAL_FORMATS) {
-                     size = make_cpal_texture(tex_format);
-                     printf("Using %s (%d bytes)\n",
-                           cpal_formats[tex_format].name, size);
-                  }
-                  else {
-                     size = make_texture();
-                     printf("Using uncompressed texture (%d bytes)\n", size);
-                  }
-               }
-               else {
-                  r = XLookupString(&event.xkey, buffer, sizeof(buffer),
-                                    NULL, NULL);
-                  if (buffer[0] == ' ') {
-                     anim = !anim;
-                  }
-                  else if (buffer[0] == 27) {
-                     /* escape */
-                     return;
-                  }
-               }
-            }
-            redraw = 1;
-            break;
-         default:
-            ; /*no-op*/
+   switch (key) {
+   case ' ':
+      animate = !animate;
+      break;
+   case 't':
+      {
+         GLint size;
+         tex_format = (tex_format + 1) % (NUM_CPAL_FORMATS + 1);
+         if (tex_format < NUM_CPAL_FORMATS) {
+            size = make_cpal_texture(tex_format);
+            printf("Using %s (%d bytes)\n",
+                  cpal_formats[tex_format].name, size);
+         }
+         else {
+            size = make_texture();
+            printf("Using uncompressed texture (%d bytes)\n", size);
          }
-      }
-
-      if (anim) {
-         view_rotx += 1.0;
-         view_roty += 2.0;
-         redraw = 1;
-      }
 
-      if (redraw) {
-         draw();
-         eglSwapBuffers(egl_dpy, egl_surf);
+         eglutPostRedisplay();
       }
+      break;
+   case 27:
+      eglutDestroyWindow(win);
+      exit(0);
+      break;
+   default:
+      break;
    }
 }
 
-
 static void
-usage(void)
+special_key(int key)
 {
-   printf("Usage:\n");
-   printf("  -display <displayname>  set the display to run on\n");
-   printf("  -info                   display OpenGL renderer info\n");
+   switch (key) {
+   case EGLUT_KEY_LEFT:
+      view_roty += 5.0;
+      break;
+   case EGLUT_KEY_RIGHT:
+      view_roty -= 5.0;
+      break;
+   case EGLUT_KEY_UP:
+      view_rotx += 5.0;
+      break;
+   case EGLUT_KEY_DOWN:
+      view_rotx -= 5.0;
+      break;
+   default:
+      break;
+   }
 }
- 
 
 int
 main(int argc, char *argv[])
 {
-   const int winWidth = 300, winHeight = 300;
-   Display *x_dpy;
-   Window win;
-   EGLSurface egl_surf;
-   EGLContext egl_ctx;
-   EGLDisplay egl_dpy;
-   char *dpyName = NULL;
-   GLboolean printInfo = GL_FALSE;
-   EGLint egl_major, egl_minor;
-   int i;
-   const char *s;
-
-   for (i = 1; i < argc; i++) {
-      if (strcmp(argv[i], "-display") == 0) {
-         dpyName = argv[i+1];
-         i++;
-      }
-      else if (strcmp(argv[i], "-info") == 0) {
-         printInfo = GL_TRUE;
-      }
-      else {
-         usage();
-         return -1;
-      }
-   }
-
-   x_dpy = XOpenDisplay(dpyName);
-   if (!x_dpy) {
-      printf("Error: couldn't open display %s\n",
-	     dpyName ? dpyName : getenv("DISPLAY"));
-      return -1;
-   }
-
-   egl_dpy = eglGetDisplay(x_dpy);
-   if (!egl_dpy) {
-      printf("Error: eglGetDisplay() failed\n");
-      return -1;
-   }
-
-   if (!eglInitialize(egl_dpy, &egl_major, &egl_minor)) {
-      printf("Error: eglInitialize() failed\n");
-      return -1;
-   }
-
-   s = eglQueryString(egl_dpy, EGL_VERSION);
-   printf("EGL_VERSION = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_VENDOR);
-   printf("EGL_VENDOR = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_EXTENSIONS);
-   printf("EGL_EXTENSIONS = %s\n", s);
-
-   s = eglQueryString(egl_dpy, EGL_CLIENT_APIS);
-   printf("EGL_CLIENT_APIS = %s\n", s);
+   eglutInitWindowSize(300, 300);
+   eglutInitAPIMask(EGLUT_OPENGL_ES1_BIT);
+   eglutInit(argc, argv);
 
-   make_x_window(x_dpy, egl_dpy,
-                 "torus", 0, 0, winWidth, winHeight,
-                 &win, &egl_ctx, &egl_surf);
+   win = eglutCreateWindow("torus");
 
-   XMapWindow(x_dpy, win);
-   if (!eglMakeCurrent(egl_dpy, egl_surf, egl_surf, egl_ctx)) {
-      printf("Error: eglMakeCurrent() failed\n");
-      return -1;
-   }
-
-   if (printInfo) {
-      printf("GL_RENDERER   = %s\n", (char *) glGetString(GL_RENDERER));
-      printf("GL_VERSION    = %s\n", (char *) glGetString(GL_VERSION));
-      printf("GL_VENDOR     = %s\n", (char *) glGetString(GL_VENDOR));
-      printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
-   }
+   eglutIdleFunc(idle);
+   eglutReshapeFunc(reshape);
+   eglutDisplayFunc(draw);
+   eglutKeyboardFunc(key);
+   eglutSpecialFunc(special_key);
 
    init();
 
-   /* Set initial projection/viewing transformation.
-    * We can't be sure we'll get a ConfigureNotify event when the window
-    * first appears.
-    */
-   reshape(winWidth, winHeight);
-
-   event_loop(x_dpy, win, egl_dpy, egl_surf);
-
-   eglDestroyContext(egl_dpy, egl_ctx);
-   eglDestroySurface(egl_dpy, egl_surf);
-   eglTerminate(egl_dpy);
-
-
-   XDestroyWindow(x_dpy, win);
-   XCloseDisplay(x_dpy);
+   eglutMainLoop();
 
    return 0;
 }