sdl: correctly send a resize event if the orientation of the screen changed + force the exposure of the window. This will trigger a new frame drawing, then window will be resized.

tito · tito · commit c7614a788b7f · 2013-04-29T12:07:43.000+02:00
Tested with --orientation sensor on showcase example.
diff --git a/src/jni/sdl/src/video/android/SDL_androidvideo.c b/src/jni/sdl/src/video/android/SDL_androidvideo.c
@@ -97,9 +97,31 @@ void SDL_ANDROID_WaitForResume()
 JNIEXPORT void JNICALL 
 JAVA_EXPORT_NAME(SDLSurfaceView_nativeResize) ( JNIEnv*  env, jobject  thiz, jint w, jint h )
 {
+    __android_log_print(ANDROID_LOG_INFO, "libSDL", "Physical screen resolution is %dx%d", w, h);
+
     SDL_ANDROID_sWindowWidth  = w;
     SDL_ANDROID_sWindowHeight = h;
-    __android_log_print(ANDROID_LOG_INFO, "libSDL", "Physical screen resolution is %dx%d", w, h);
+}
+
+
+JNIEXPORT void JNICALL 
+JAVA_EXPORT_NAME(SDLSurfaceView_nativeResizeEvent) ( JNIEnv*  env, jobject  thiz, jint w, jint h)
+{
+    __android_log_print(ANDROID_LOG_INFO, "libSDL", "Private resize to %dx%d", w, h);
+    SDL_PrivateResize(w, h);
+    SDL_ANDROID_sWindowWidth  = w;
+    SDL_ANDROID_sWindowHeight = h;
+    if ( SDL_VideoSurface ) {
+        SDL_VideoSurface->w = w;
+        SDL_VideoSurface->h = h;
+    }
+}
+
+
+JNIEXPORT void JNICALL 
+JAVA_EXPORT_NAME(SDLSurfaceView_nativeExpose) ( JNIEnv*  env, jobject  thiz, jint w, jint h)
+{
+    SDL_PrivateExpose();
 }
 
 JNIEXPORT void JNICALL 
diff --git a/src/src/org/renpy/android/SDLSurfaceView.java b/src/src/org/renpy/android/SDLSurfaceView.java
@@ -543,6 +543,7 @@ public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
             new Thread(this).start();
         } else {
             mChanged = true;
+            nativeExpose();
         }
     }
 
@@ -845,7 +846,10 @@ public boolean createSurface() {
 		}
 
         if (mStarted) {
-            nativeResize(mWidth, mHeight);
+            if (mInputActivated)
+                nativeResizeEvent(mWidth, mHeight);
+            else
+                nativeResize(mWidth, mHeight);
         }
 
 		return true;
@@ -1165,6 +1169,8 @@ private void checkGlError(String op) {
     public static native void nativeSetMultitouchUsed();
 
     public native void nativeResize(int width, int height);
+    public native void nativeResizeEvent(int width, int height);
+    public native void nativeExpose();
     public native void nativeInitJavaCallbacks();
 
 }

Original file line number	Diff line number	Diff line change
`@@ -543,6 +543,7 @@ public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {`
`543`	`543`	`new Thread(this).start();`
`544`	`544`	`} else {`
`545`	`545`	`mChanged = true;`
	`546`	`+ nativeExpose();`
`546`	`547`	`}`
`547`	`548`	`}`
`548`	`549`
`@@ -845,7 +846,10 @@ public boolean createSurface() {`
`845`	`846`	`}`
`846`	`847`
`847`	`848`	`if (mStarted) {`
`848`		`- nativeResize(mWidth, mHeight);`
	`849`	`+ if (mInputActivated)`
	`850`	`+ nativeResizeEvent(mWidth, mHeight);`
	`851`	`+ else`
	`852`	`+ nativeResize(mWidth, mHeight);`
`849`	`853`	`}`
`850`	`854`
`851`	`855`	`return true;`
`@@ -1165,6 +1169,8 @@ private void checkGlError(String op) {`
`1165`	`1169`	`public static native void nativeSetMultitouchUsed();`
`1166`	`1170`
`1167`	`1171`	`public native void nativeResize(int width, int height);`
	`1172`	`+ public native void nativeResizeEvent(int width, int height);`
	`1173`	`+ public native void nativeExpose();`
`1168`	`1174`	`public native void nativeInitJavaCallbacks();`
`1169`	`1175`
`1170`	`1176`	`}`