updates from trunk

progs/tests/fbotest1.c

@@ -71,7 +71,9 @@ Display( void )
 static void
 Reshape( int width, int height )
 {
+#if 0
    float ar = (float) width / (float) height;
+#endif
    glViewport( 0, 0, width, height );
    glMatrixMode( GL_PROJECTION );
    glLoadIdentity();
@@ -117,14 +119,14 @@ Init( void )
 
    glGenFramebuffersEXT(1, &MyFB);
    assert(MyFB);
-   assert(glIsFramebufferEXT(MyFB));
+   assert(!glIsFramebufferEXT(MyFB));
    glDeleteFramebuffersEXT(1, &MyFB);
    assert(!glIsFramebufferEXT(MyFB));
    /* Note, continue to use MyFB below */
 
    glGenRenderbuffersEXT(1, &rb);
    assert(rb);
-   assert(glIsRenderbufferEXT(rb));
+   assert(!glIsRenderbufferEXT(rb));
    glDeleteRenderbuffersEXT(1, &rb);
    assert(!glIsRenderbufferEXT(rb));
    rb = 42; /* an arbitrary ID */
@@ -156,6 +158,12 @@ Init( void )
       glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
                                       GL_RENDERBUFFER_ALPHA_SIZE_EXT, &a);
       printf("renderbuffer RGBA sizes = %d %d %d %d\n", r, g, b, a);
+
+      glGetIntegerv(GL_RED_BITS, &r);
+      glGetIntegerv(GL_GREEN_BITS, &g);
+      glGetIntegerv(GL_BLUE_BITS, &b);
+      glGetIntegerv(GL_ALPHA_BITS, &a);
+      printf("Visual RGBA sizes = %d %d %d %d\n", r, g, b, a);
    }
 
    CheckError(__LINE__);

progs/tests/fbotexture.c

@@ -56,7 +56,8 @@ RenderTexture(void)
    glLoadIdentity();
    glTranslatef(0.0, 0.0, -15.0);
 
-   /* draw to texture */
+   /* draw to texture image */
+   glBindTexture(GL_TEXTURE_2D, 0);
    glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, MyFB);
    glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT,
                              GL_TEXTURE_2D, TexObj, level);
@@ -142,6 +143,7 @@ Display(void)
    glPushMatrix();
    glRotatef(Rot, 0, 1, 0);
    glEnable(GL_TEXTURE_2D);
+   glBindTexture(GL_TEXTURE_2D, TexObj);
    glBegin(GL_POLYGON);
    glColor3f(0.25, 0.25, 0.25);
    glTexCoord2f(0, 0);
@@ -203,10 +205,10 @@ Init(void)
    }
    printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
 
-   /* make framebuffer */
+   /* gen framebuffer id, delete it, do some assertions, just for testing */
    glGenFramebuffersEXT(1, &MyFB);
    assert(MyFB);
-   assert(glIsFramebufferEXT(MyFB));
+   assert(!glIsFramebufferEXT(MyFB));
    glDeleteFramebuffersEXT(1, &MyFB);
    assert(!glIsFramebufferEXT(MyFB));
    /* Note, continue to use MyFB below */
@@ -219,8 +221,9 @@ Init(void)
    /* make depth renderbuffer */
    glGenRenderbuffersEXT(1, &DepthRB);
    assert(DepthRB);
-   assert(glIsRenderbufferEXT(DepthRB));
+   assert(!glIsRenderbufferEXT(DepthRB));
    glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, DepthRB);
+   assert(glIsRenderbufferEXT(DepthRB));
    glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT,
                             TexWidth, TexHeight);
    glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,
@@ -231,8 +234,9 @@ Init(void)
    /* make stencil renderbuffer */
    glGenRenderbuffersEXT(1, &StencilRB);
    assert(StencilRB);
-   assert(glIsRenderbufferEXT(StencilRB));
+   assert(!glIsRenderbufferEXT(StencilRB));
    glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, StencilRB);
+   assert(glIsRenderbufferEXT(StencilRB));
    glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_STENCIL_INDEX,
                             TexWidth, TexHeight);
    glGetRenderbufferParameterivEXT(GL_RENDERBUFFER_EXT,