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SDL: support for window resizing without restarting

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This commit is contained in:
Sergii Pylypenko
2015-01-16 21:12:45 +02:00
parent f5e9ca27e6
commit 6353a5094c
11 changed files with 103 additions and 107 deletions
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40
project/java/GLSurfaceView_SDL.java
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@@ -517,6 +517,8 @@ public class GLSurfaceView_SDL extends SurfaceView implements SurfaceHolder.Call
*/
public static interface SwapBuffersCallback {
public boolean SwapBuffers();
public void ResetVideoSurface();
public void onWindowResize(int width, int height);
}
public static abstract class Renderer {
@@ -574,7 +576,11 @@ public class GLSurfaceView_SDL extends SurfaceView implements SurfaceHolder.Call
public abstract void onSurfaceChanged(GL10 gl, int width, int height);
/** Called when screen size changes */
public abstract void onWindowResize(int width, int height);
public void onWindowResize(int width, int height)
{
if( mSwapBuffersCallback != null )
mSwapBuffersCallback.onWindowResize(width, height);
}
/**
* Called to draw the current frame.
@@ -598,6 +604,11 @@ public class GLSurfaceView_SDL extends SurfaceView implements SurfaceHolder.Call
return mSwapBuffersCallback.SwapBuffers();
return false;
}
public void ResetVideoSurface() {
if( mSwapBuffersCallback != null )
mSwapBuffersCallback.ResetVideoSurface();
}
public void setSwapBuffersCallback( SwapBuffersCallback c ) {
mSwapBuffersCallback = c;
@@ -1029,30 +1040,21 @@ public class GLSurfaceView_SDL extends SurfaceView implements SurfaceHolder.Call
sEglSemaphore.release();
}
/* You need to call SwapBuffers() after this function */
public void ResetVideoSurface() {
mResetVideoSurface = true;
}
public boolean SwapBuffers() {
boolean tellRendererSurfaceCreated = false;
boolean tellRendererSurfaceChanged = false;
/*
* This is our main activity thread's loop, we go until
* asked to quit.
*/
/*
* Update the asynchronous state (window size)
*/
while(true) { // Loop until we're re-created GL context and successfully called swap()
while(true) { // Loop until we're re-created GL context and successfully called swap()
int w, h;
boolean changed = false;
synchronized (this) {
/*
Runnable r;
while ((r = getEvent()) != null) {
r.run();
}
*/
if (mPaused) {
mRenderer.onSurfaceDestroyed();
mEglHelper.finish();
@@ -1106,15 +1108,16 @@ public class GLSurfaceView_SDL extends SurfaceView implements SurfaceHolder.Call
* Once we're done with GL, we need to call swapBuffers()
* to instruct the system to display the rendered frame
*/
if( mEglHelper.swap() )
if( !mResetVideoSurface && mEglHelper.swap() )
return true;
// We've lost GL context - recreate it
mResetVideoSurface = false;
mRenderer.onSurfaceDestroyed();
mEglHelper.finish();
mNeedStart = true;
if( Globals.NonBlockingSwapBuffers )
return false;
}
}
}
private boolean needToWait() {
@@ -1254,6 +1257,7 @@ public class GLSurfaceView_SDL extends SurfaceView implements SurfaceHolder.Call
private EglHelper mEglHelper;
private GL10 mGL = null;
private boolean mNeedStart = false;
private boolean mResetVideoSurface = false;
}
static class LogWriter extends Writer {