st/egl: improve error logging

This helps diagnose problems in EGL initialization.

diff --git a/src/gallium/state_trackers/egl/android/native_android.cpp b/src/gallium/state_trackers/egl/android/native_android.cpp
index 2d7ae8b..9d2d51f 100644 (file)
--- a/src/gallium/state_trackers/egl/android/native_android.cpp
+++ b/src/gallium/state_trackers/egl/android/native_android.cpp
@@ -24,7 +24,7 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
-#define LOG_TAG "MESA-EGL"
+#define LOG_TAG "EGL-GALLIUM"
 #include <cutils/log.h>
 #include <cutils/properties.h>
 #include <hardware/gralloc.h>
@@ -599,7 +599,8 @@ android_display_init_drm(struct native_display *ndpy)
       return TRUE;
    }
    else {
-      LOGE("failed to create DRM screen");
+      LOGW("failed to create DRM screen");
+      LOGW("will fall back to other EGL drivers if any");
       return FALSE;
    }
 }

diff --git a/src/gallium/targets/egl-static/egl.c b/src/gallium/targets/egl-static/egl.c
index 6e5f6f3..a7aee27 100644 (file)
--- a/src/gallium/targets/egl-static/egl.c
+++ b/src/gallium/targets/egl-static/egl.c
@@ -221,13 +221,21 @@ drm_fd_get_screen_name(int fd)
 static struct pipe_screen *
 create_drm_screen(const char *name, int fd)
 {
+   struct pipe_screen *screen;
+
    if (!name) {
       name = drm_fd_get_screen_name(fd);
       if (!name)
          return NULL;
    }
 
-   return egl_pipe_create_drm_screen(name, fd);
+   screen = egl_pipe_create_drm_screen(name, fd);
+   if (screen)
+      _eglLog(_EGL_INFO, "created a pipe screen for %s", name);
+   else
+      _eglLog(_EGL_WARNING, "failed to create a pipe screen for %s", name);
+
+   return screen;
 }
 
 static struct pipe_screen *