From: Good Guy <good1.2guy@gmail.com>
Date: Thu, 31 Mar 2016 00:55:03 +0000 (-0600)
Subject: fix pbuffer leak
X-Git-Url: http://git.cinelerra-gg.org/git/?p=goodguy%2Fhistory.git;a=commitdiff_plain;h=b3ab80e6d0aff2c9971b7837d6bea590f78c3189

fix pbuffer leak
---

diff --git a/cinelerra-5.1/guicast/bcpbuffer.C b/cinelerra-5.1/guicast/bcpbuffer.C
index 7249d834..f6e5dd99 100644
--- a/cinelerra-5.1/guicast/bcpbuffer.C
+++ b/cinelerra-5.1/guicast/bcpbuffer.C
@@ -65,6 +65,12 @@ void BC_PBuffer::create_pbuffer(int w, int h)
 {
 #ifdef HAVE_GL
 	int ww = (w + 3) & ~3, hh = (h + 3) & ~3;
+	BC_WindowBase *current_window = BC_WindowBase::get_synchronous()->current_window;
+	window_id = current_window->get_id();
+
+	pbuffer = BC_WindowBase::get_synchronous()->get_pbuffer(ww, hh, &glx_context);
+	if( pbuffer ) return;
+
 	int pb_attrs[] = {
 		GLX_PBUFFER_WIDTH, ww,
 		GLX_PBUFFER_HEIGHT, hh,
@@ -73,7 +79,6 @@ void BC_PBuffer::create_pbuffer(int w, int h)
 		None
 	};
 
-	BC_WindowBase *current_window = BC_WindowBase::get_synchronous()->current_window;
 	Display *dpy = current_window->get_display();
 	GLXFBConfig *fb_cfgs = current_window->glx_pbuffer_fb_configs();
 	int nfb_cfgs = current_window->n_fbcfgs_pbuffer;
@@ -92,9 +97,8 @@ void BC_PBuffer::create_pbuffer(int w, int h)
 // __LINE__, current_config, visinfo, BC_Resources::error, pbuffer);
 
 	if( pbuffer ) {
-		window_id = current_window->get_id();
 		glx_context = glXCreateContext(dpy, visinfo, current_window->glx_win_context, 1);
-		BC_WindowBase::get_synchronous()->put_pbuffer(w, h, pbuffer, glx_context);
+		BC_WindowBase::get_synchronous()->put_pbuffer(ww, hh, pbuffer, glx_context);
 	}
 	else
 		printf("BC_PBuffer::create_pbuffer: failed\n");
diff --git a/cinelerra-5.1/guicast/bcsynchronous.C b/cinelerra-5.1/guicast/bcsynchronous.C
index a8eccf23..35d4a1c1 100644
--- a/cinelerra-5.1/guicast/bcsynchronous.C
+++ b/cinelerra-5.1/guicast/bcsynchronous.C
@@ -473,13 +473,12 @@ void BC_Synchronous::put_pbuffer(int w, int h,
 	table_lock->lock("BC_Resources::release_textures");
 	for(int i = 0; i < pbuffer_ids.total; i++) {
 		PBufferID *ptr = pbuffer_ids.values[i];
-		if(ptr->w == w && ptr->h == h && ptr->glx_pbuffer == glx_pbuffer) {
+		if( ptr->w == w && ptr->h == h && ptr->glx_pbuffer == glx_pbuffer ) {
 			exists = 1;
 			break;
 		}
 	}
 
-
 	if(!exists) {
 		PBufferID *ptr = new PBufferID(current_window->get_id(),
 			glx_pbuffer, glx_context, w, h);
@@ -488,10 +487,7 @@ void BC_Synchronous::put_pbuffer(int w, int h,
 	table_lock->unlock();
 }
 
-GLXPbuffer BC_Synchronous::get_pbuffer(int w,
-	int h,
-	int *window_id,
-	GLXContext *glx_context)
+GLXPbuffer BC_Synchronous::get_pbuffer(int w, int h, GLXContext *glx_context)
 {
 	table_lock->lock("BC_Resources::release_textures");
 	for(int i = 0; i < pbuffer_ids.total; i++) {
@@ -500,7 +496,6 @@ GLXPbuffer BC_Synchronous::get_pbuffer(int w,
 			ptr->window_id == current_window->get_id() ) {
 			GLXPbuffer result = ptr->glx_pbuffer;
 			*glx_context = ptr->glx_context;
-			*window_id = ptr->window_id;
 			ptr->in_use = 1;
 			table_lock->unlock();
 			return result;
@@ -515,7 +510,7 @@ void BC_Synchronous::release_pbuffer(int window_id, GLXPbuffer pbuffer)
 	table_lock->lock("BC_Resources::release_textures");
 	for(int i = 0; i < pbuffer_ids.total; i++) {
 		PBufferID *ptr = pbuffer_ids.values[i];
-		if(ptr->window_id == window_id) {
+		if( ptr->window_id == window_id ) {
 			ptr->in_use = 0;
 		}
 	}
diff --git a/cinelerra-5.1/guicast/bcsynchronous.h b/cinelerra-5.1/guicast/bcsynchronous.h
index ba347b78..a9947a13 100644
--- a/cinelerra-5.1/guicast/bcsynchronous.h
+++ b/cinelerra-5.1/guicast/bcsynchronous.h
@@ -204,10 +204,7 @@ public:
 		GLXContext glx_context);
 // Get the PBuffer by window_id and dimensions if it exists.
 // Must be called inside synchronous loop.
-	GLXPbuffer get_pbuffer(int w,
-		int h,
-		int *window_id,
-		GLXContext *glx_context);
+	GLXPbuffer get_pbuffer(int w, int h, GLXContext *glx_context);
 // Release a pbuffer for use by get_pbuffer.
 	void release_pbuffer(int window_id, GLXPbuffer pbuffer);