From 2333a32697cda8f5f73861856889001839f38f25 Mon Sep 17 00:00:00 2001
From: dhewg
Date: Sun, 27 Feb 2011 20:13:48 +0100
Subject: ANDROID: Untangle JNI interweaving

- make the startup sequence more linear
- use SurfaceHolder events
- get rid of the surface lock
- remove unnecessary JNI calls
- make the ScummVM class implement Runnable
- cleanup
---
 backends/platform/android/gfx.cpp | 23 ++++++++++++++++++-----
 1 file changed, 18 insertions(+), 5 deletions(-)

(limited to 'backends/platform/android/gfx.cpp')

diff --git a/backends/platform/android/gfx.cpp b/backends/platform/android/gfx.cpp
index 8601a3bfca..49f3d40e39 100644
--- a/backends/platform/android/gfx.cpp
+++ b/backends/platform/android/gfx.cpp
@@ -65,8 +65,13 @@ int OSystem_Android::getGraphicsMode() const {
 void OSystem_Android::setupSurface() {
 	ENTER();
 
-	if (!JNI::setupSurface())
-		return;
+	_screen_changeid = JNI::surface_changeid;
+	JNI::initSurface();
+
+	_egl_surface_width = JNI::egl_surface_width;
+	_egl_surface_height = JNI::egl_surface_height;
+
+	assert(_egl_surface_width > 0 && _egl_surface_height > 0);
 
 	// EGL set up with a new surface.  Initialise OpenGLES context.
 	GLESTexture::initGLExtensions();
@@ -148,6 +153,10 @@ void OSystem_Android::initSize(uint width, uint height,
 	_mouse_texture->allocBuffer(20, 20);
 }
 
+int OSystem_Android::getScreenChangeID() const {
+	return _screen_changeid;
+}
+
 int16 OSystem_Android::getHeight() {
 	return _game_texture->height();
 }
@@ -279,10 +288,14 @@ void OSystem_Android::updateScreen() {
 
 	GLCALL(glPopMatrix());
 
-	if (!JNI::swapBuffers()) {
-		// Context lost -> need to reinit GL
-		JNI::destroySurface();
+	int res = JNI::swapBuffers();
+
+	if (res) {
+		warning("swapBuffers returned 0x%x", res);
+#if 0
+		JNI::initSurface();
 		setupSurface();
+#endif
 	}
 }
 
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