diff --git a/include/ui/CameraParameters.h b/include/ui/CameraParameters.h
index 9e4e140..a5ea133 100644
--- a/include/ui/CameraParameters.h
+++ b/include/ui/CameraParameters.h
@@ -109,9 +109,10 @@
     // The height (in pixels) of EXIF thumbnail in Jpeg picture.
     // Example value: "384". Read/write.
     static const char KEY_JPEG_THUMBNAIL_HEIGHT[];
-    // Supported EXIF thumbnail sizes (width x height).
-    // Example value: "512x384,320x240". Read only.
-    static const char KEY_SUPPORTED_THUMBNAIL_SIZES[];
+    // Supported EXIF thumbnail sizes (width x height). 0x0 means not thumbnail
+    // in EXIF.
+    // Example value: "512x384,320x240,0x0". Read only.
+    static const char KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES[];
     // The quality of the EXIF thumbnail in Jpeg picture. The range is 1 to 100,
     // with 100 being the best.
     // Example value: "90". Read/write.
diff --git a/libs/ui/CameraParameters.cpp b/libs/ui/CameraParameters.cpp
index 8f1749d..2e0409b 100644
--- a/libs/ui/CameraParameters.cpp
+++ b/libs/ui/CameraParameters.cpp
@@ -36,7 +36,7 @@
 const char CameraParameters::KEY_SUPPORTED_PICTURE_FORMATS[] = "picture-format-values";
 const char CameraParameters::KEY_JPEG_THUMBNAIL_WIDTH[] = "jpeg-thumbnail-width";
 const char CameraParameters::KEY_JPEG_THUMBNAIL_HEIGHT[] = "jpeg-thumbnail-height";
-const char CameraParameters::KEY_SUPPORTED_THUMBNAIL_SIZES[] = "jpeg-thumbnail-size-values";
+const char CameraParameters::KEY_SUPPORTED_JPEG_THUMBNAIL_SIZES[] = "jpeg-thumbnail-size-values";
 const char CameraParameters::KEY_JPEG_THUMBNAIL_QUALITY[] = "jpeg-thumbnail-quality";
 const char CameraParameters::KEY_JPEG_QUALITY[] = "jpeg-quality";
 const char CameraParameters::KEY_ROTATION[] = "rotation";
diff --git a/opengl/libagl/texture.cpp b/opengl/libagl/texture.cpp
index 13d078e..2875c13 100644
--- a/opengl/libagl/texture.cpp
+++ b/opengl/libagl/texture.cpp
@@ -583,7 +583,7 @@
 
 
 static __attribute__((noinline))
-void set_depth_and_fog(ogles_context_t* c, GLint z)
+void set_depth_and_fog(ogles_context_t* c, GGLfixed z)
 {
     const uint32_t enables = c->rasterizer.state.enables;
     // we need to compute Zw
@@ -592,8 +592,8 @@
     GGLfixed Zw;
     GGLfixed n = gglFloatToFixed(c->transforms.vpt.zNear);
     GGLfixed f = gglFloatToFixed(c->transforms.vpt.zFar);
-    if (z<=0)       Zw = n;
-    else if (z>=1)  Zw = f;
+    if (z<=0)               Zw = n;
+    else if (z>=0x10000)    Zw = f;
     else            Zw = gglMulAddx(z, (f-n), n);
     if (enables & GGL_ENABLE_FOG) {
         // set up fog if needed...
@@ -836,7 +836,7 @@
             c->rasterizer.procs.texCoord2i(c, s0, t0);
             const uint32_t enables = c->rasterizer.state.enables;
             if (ggl_unlikely(enables & (GGL_ENABLE_DEPTH_TEST|GGL_ENABLE_FOG)))
-                set_depth_and_fog(c, z);
+                set_depth_and_fog(c, gglIntToFixed(z));
 
             c->rasterizer.procs.color4xv(c, c->currentColorClamped.v);
             c->rasterizer.procs.disable(c, GGL_W_LERP);
diff --git a/opengl/libs/EGL/egl.cpp b/opengl/libs/EGL/egl.cpp
index c22c21b..d2f8ced 100644
--- a/opengl/libs/EGL/egl.cpp
+++ b/opengl/libs/EGL/egl.cpp
@@ -1111,10 +1111,10 @@
         if (cur_c == NULL) {
             // no current context
             if (draw != EGL_NO_SURFACE || read != EGL_NO_SURFACE) {
-                // calling eglMakeCurrent( ..., EGL_NO_CONTEXT, !=0, !=0);
-                return setError(EGL_BAD_PARAMETER, EGL_FALSE);
+                // calling eglMakeCurrent( ..., !=0, !=0, EGL_NO_CONTEXT);
+                return setError(EGL_BAD_MATCH, EGL_FALSE);
             }
-            // not an error, there is just not current context.
+            // not an error, there is just no current context.
             return EGL_TRUE;
         }
     }