Fallback to software rendering when eglMakeCurrent fails. (9745fae7) · Commits · e / os / android_frameworks_base

core/java/android/view/HardwareRenderer.java

+15 −11

Original line number	Diff line number	Diff line
		@@ -184,7 +184,7 @@ public abstract class HardwareRenderer {
		}

		/**
		* Indicates whether hardware acceleration is currently request but not
		* Indicates whether hardware acceleration is currently requested but not
		* necessarily enabled yet.
		*
		* @return True to request hardware acceleration, false otherwise.
		@@ -275,17 +275,20 @@ public abstract class HardwareRenderer {
		if (error != EGL10.EGL_SUCCESS) {
		// something bad has happened revert to
		// normal rendering.
		fallback(error != EGL11.EGL_CONTEXT_LOST);
		Log.w(LOG_TAG, "EGL error: " + getEGLErrorString(error));
		}
		}
		}

		private void fallback(boolean fallback) {
		destroy(true);
		if (error != EGL11.EGL_CONTEXT_LOST) {
		if (fallback) {
		// we'll try again if it was context lost
		setRequested(false);
		} else {
		Log.w(LOG_TAG, "Mountain View, we've had a problem here. "
		+ "Switching back to software rendering.");
		}
		Log.w(LOG_TAG, "EGL error: " + getEGLErrorString(error));
		}
		}
		}

		@Override
		@@ -509,8 +512,9 @@ public abstract class HardwareRenderer {
		if (sEgl.eglGetCurrentContext() != sEglContext \|\|
		sEgl.eglGetCurrentSurface(EGL10.EGL_DRAW) != mEglSurface) {
		if (!sEgl.eglMakeCurrent(sEglDisplay, mEglSurface, mEglSurface, sEglContext)) {
		throw new RuntimeException("eglMakeCurrent failed "
		+ getEGLErrorString(sEgl.eglGetError()));
		fallback(true);
		Log.e(LOG_TAG, "eglMakeCurrent failed " +
		getEGLErrorString(sEgl.eglGetError()));
		}
		}
		}