From 3695cf78b9ed609c3c6a1bd38bc9db880b961a72 Mon Sep 17 00:00:00 2001
From: TwinAphex51224 <twinaphex1@gmail.com>
Date: Sat, 21 Jan 2012 17:50:21 +0100
Subject: [PATCH] (PS3) Swap is blocked before going into ingame menu - and
 unblocked after exiting ingame menu

---
 ps3/main.c           |  4 ++++
 ps3/ps3_video_psgl.c | 18 +++++++++++++++++-
 ps3/ps3_video_psgl.h |  2 ++
 3 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/ps3/main.c b/ps3/main.c
index 63370193b3..01e1966dc9 100644
--- a/ps3/main.c
+++ b/ps3/main.c
@@ -225,6 +225,8 @@ static void ingame_menu(void)
 	uint32_t menuitem_colors[MENU_ITEM_LAST];
 	char comment[256], msg_temp[256];
 
+	ps3_block_swap();
+
 	do
 	{
 		uint64_t state = cell_pad_input_poll_device(0);
@@ -481,6 +483,8 @@ static void ingame_menu(void)
 		old_state = state;
 		cellSysutilCheckCallback();
 	}while(g_console.in_game_menu);
+
+	ps3_unblock_swap();
 }
 
 // Temporary, a more sane implementation should go here.
diff --git a/ps3/ps3_video_psgl.c b/ps3/ps3_video_psgl.c
index 4c7244ee99..c5a4173dbc 100644
--- a/ps3/ps3_video_psgl.c
+++ b/ps3/ps3_video_psgl.c
@@ -93,6 +93,7 @@ typedef struct gl
    PSGLdevice* gl_device;
    PSGLcontext* gl_context;
    bool vsync;
+   bool block_swap;
    GLuint texture[TEXTURES];
    unsigned tex_index; // For use with PREV.
    struct gl_tex_info prev_info[TEXTURES];
@@ -723,7 +724,8 @@ static bool gl_frame(void *data, const void *frame, unsigned width, unsigned hei
       cellDbgFontDraw();
    }
 
-   psglSwap();
+   if(!gl->block_swap)
+      psglSwap();
    return true;
 }
 
@@ -1094,6 +1096,20 @@ const char * ps3_get_resolution_label(uint32_t resolution)
 	}
 }
 
+void ps3_block_swap (void)
+{
+   gl_t *gl = g_gl;
+   gl->block_swap = true;
+   SSNES_LOG("Swap is set to blocked\n");
+}
+
+void ps3_unblock_swap (void)
+{
+   gl_t *gl = g_gl;
+   gl->block_swap = false;
+   SSNES_LOG("Swap is set to non-blocked\n");
+}
+
 // PS3 needs a working graphics stack before SSNES even starts.
 // To deal with this main.c,
 // the top level module owns the instance, and is created beforehand.
diff --git a/ps3/ps3_video_psgl.h b/ps3/ps3_video_psgl.h
index 855aa191d2..7f9a2c9cc6 100644
--- a/ps3/ps3_video_psgl.h
+++ b/ps3/ps3_video_psgl.h
@@ -31,6 +31,8 @@ void ps3_next_resolution (void);
 void ps3_previous_resolution (void);
 const char * ps3_get_resolution_label(uint32_t resolution);
 int ps3_check_resolution(uint32_t resolution_id);
+void ps3_block_swap (void);
+void ps3_unblock_swap (void);
 
 extern void *g_gl;