X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/4ebd765cac9f8a7ae4934147ed876a9e228eeb8d..aa052184a12e61d01983f8c9047183e6b0d499f3:/lib/gdi/gfbdc.cpp

diff --git a/lib/gdi/gfbdc.cpp b/lib/gdi/gfbdc.cpp
index a1f4c981..bd259bd2 100644
--- a/lib/gdi/gfbdc.cpp
+++ b/lib/gdi/gfbdc.cpp
@@ -2,7 +2,6 @@
 
 #include <lib/base/init.h>
 #include <lib/base/init_num.h>
-#include <lib/base/econfig.h>
 
 #include <lib/gdi/accel.h>
 
@@ -34,20 +33,24 @@ gFBDC::gFBDC()
 	
 	surface.data_phys = 50*1024*1024; // FIXME
 	
-	surface_back.type = 0;
-	surface_back.x = 720;
-	surface_back.y = 576;
-	surface_back.bpp = 32;
-	surface_back.bypp = 4;
-	surface_back.stride = fb->Stride();
-	surface_back.offset = surface.y;
-
 	int fb_size = surface.stride * surface.y;
 
-	surface_back.data = fb->lfb + fb_size;
-	surface_back.data_phys = surface.data_phys + fb_size;
+	if (fb->getNumPages() > 1)
+	{
+		m_enable_double_buffering = 1;
+		surface_back.type = 0;
+		surface_back.x = 720;
+		surface_back.y = 576;
+		surface_back.bpp = 32;
+		surface_back.bypp = 4;
+		surface_back.stride = fb->Stride();
+		surface_back.offset = surface.y;
+		surface_back.data = fb->lfb + fb_size;
+		surface_back.data_phys = surface.data_phys + fb_size;
 	
-	fb_size *= 2;
+		fb_size *= 2;
+	} else
+		m_enable_double_buffering = 0;
 	
 	eDebug("%dkB available for acceleration surfaces.", (fb->Available() - fb_size)/1024);
 	
@@ -139,11 +142,14 @@ void gFBDC::exec(gOpcode *o)
 	}
 	case gOpcode::flip:
 	{
-		gSurface s(surface);
-		surface = surface_back;
-		surface_back = s;
+		if (m_enable_double_buffering)
+		{
+			gSurface s(surface);
+			surface = surface_back;
+			surface_back = s;
 		
-		fb->setOffset(surface_back.offset);
+			fb->setOffset(surface_back.offset);
+		}
 		break;
 	}
 	case gOpcode::waitVSync:
@@ -199,19 +205,13 @@ void gFBDC::setGamma(int g)
 
 void gFBDC::saveSettings()
 {
-	eConfig::getInstance()->setKey("/ezap/osd/alpha", alpha);
-	eConfig::getInstance()->setKey("/ezap/osd/gamma", gamma);
-	eConfig::getInstance()->setKey("/ezap/osd/brightness", brightness);
 }
 
 void gFBDC::reloadSettings()
 {
-	if (eConfig::getInstance()->getKey("/ezap/osd/alpha", alpha))
-		alpha=255;
-	if (eConfig::getInstance()->getKey("/ezap/osd/gamma", gamma))
-		gamma=128;
-	if (eConfig::getInstance()->getKey("/ezap/osd/brightness", brightness))
-		brightness=128;
+	alpha=255;
+	gamma=128;
+	brightness=128;
 
 	calcRamp();
 	setPalette();