X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/40253d1a081381a643b8841aeb2914f75211ddb9..fed93ee95ab650551d8ef5d0d03e4e57b7f058cc:/lib/gdi/fb.cpp

diff --git a/lib/gdi/fb.cpp b/lib/gdi/fb.cpp
index 38ae37dd..8e8221c3 100644
--- a/lib/gdi/fb.cpp
+++ b/lib/gdi/fb.cpp
@@ -7,9 +7,17 @@
 #include <memory.h>
 #include <linux/kd.h>
 
-#include <lib/base/econfig.h>
 #include <lib/gdi/fb.h>
 
+#ifndef FBIO_WAITFORVSYNC
+#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
+#endif
+
+#ifndef FBIO_BLIT
+#define FBIO_SET_MANUAL_BLIT _IOW('F', 0x21, __u8)
+#define FBIO_BLIT 0x22
+#endif
+
 fbClass *fbClass::instance;
 
 fbClass *fbClass::getInstance()
@@ -19,6 +27,7 @@ fbClass *fbClass::getInstance()
 
 fbClass::fbClass(const char *fb)
 {
+	m_manual_blit=-1;
 	instance=this;
 	locked=0;
 	available=0;
@@ -35,6 +44,8 @@ fbClass::fbClass(const char *fb)
 		perror(fb);
 		goto nolfb;
 	}
+
+
 	if (ioctl(fd, FBIOGET_VSCREENINFO, &screeninfo)<0)
 	{
 		perror("FBIOGET_VSCREENINFO");
@@ -59,7 +70,9 @@ fbClass::fbClass(const char *fb)
 		goto nolfb;
 	}
 
-//	showConsole(0);
+	showConsole(0);
+
+	enableManualBlit();
 	return;
 nolfb:
 	lfb=0;
@@ -84,17 +97,31 @@ int fbClass::showConsole(int state)
 int fbClass::SetMode(unsigned int nxRes, unsigned int nyRes, unsigned int nbpp)
 {
 	screeninfo.xres_virtual=screeninfo.xres=nxRes;
-	screeninfo.yres_virtual=screeninfo.yres=nyRes;
+	screeninfo.yres_virtual=(screeninfo.yres=nyRes)*2;
 	screeninfo.height=0;
 	screeninfo.width=0;
 	screeninfo.xoffset=screeninfo.yoffset=0;
 	screeninfo.bits_per_pixel=nbpp;
+	
 	if (ioctl(fd, FBIOPUT_VSCREENINFO, &screeninfo)<0)
 	{
-		perror("FBIOPUT_VSCREENINFO");
-		printf("fb failed\n");
-		return -1;
-	}
+		// try single buffering
+		screeninfo.yres_virtual=screeninfo.yres=nyRes;
+		
+		if (ioctl(fd, FBIOPUT_VSCREENINFO, &screeninfo)<0)
+		{
+			perror("FBIOPUT_VSCREENINFO");
+			printf("fb failed\n");
+			return -1;
+		}
+		eDebug(" - double buffering not available.");
+	} else
+		eDebug(" - double buffering available!");
+	
+	m_number_of_pages = screeninfo.yres_virtual / nyRes;
+	
+	ioctl(fd, FBIOGET_VSCREENINFO, &screeninfo);
+	
 	if ((screeninfo.xres!=nxRes) && (screeninfo.yres!=nyRes) && (screeninfo.bits_per_pixel!=nbpp))
 	{
 		eDebug("SetMode failed: wanted: %dx%dx%d, got %dx%dx%d",
@@ -115,68 +142,53 @@ int fbClass::SetMode(unsigned int nxRes, unsigned int nyRes, unsigned int nbpp)
 	return 0;
 }
 
-fbClass::~fbClass()
+int fbClass::setOffset(int off)
 {
-	if (available)
-		ioctl(fd, FBIOPUT_VSCREENINFO, &oldscreen);
-	if (lfb)
-		munmap(lfb, available);
-	showConsole(1);
+	screeninfo.xoffset = 0;
+	screeninfo.yoffset = off;
+	return ioctl(fd, FBIOPAN_DISPLAY, &screeninfo);
 }
 
-int fbClass::PutCMAP()
+int fbClass::waitVSync()
 {
-	return ioctl(fd, FBIOPUTCMAP, &cmap);
+	int c = 0;
+	return ioctl(fd, FBIO_WAITFORVSYNC, &c);
 }
 
-void fbClass::Box(int x, int y, int width, int height, int color, int backcolor)
+void fbClass::blit()
 {
-	if (width<=2 || locked)
-		return;
-	int offset=y*stride+x/2;
-	int first=0xF0|((color&0xF0)>>4);
-	int last= 0xF0|((backcolor&0xF0)>>4);
-	color=(color&0xF)*0x11;
-	int halfwidth=width/2;
-	for (int ay=y; ay<(y+height); ay++)
-	{
-		lfb[offset]=first;
-		memset(lfb+offset+1, color, halfwidth-2);
-		lfb[offset+halfwidth-1]=last;
-		offset+=stride;
+	if (m_manual_blit == 1) {
+		if (ioctl(fd, FBIO_BLIT) < 0)
+			perror("FBIO_BLIT");
 	}
 }
 
-void fbClass::NBox(int x, int y, int width, int height, int color)
+fbClass::~fbClass()
 {
-	if (locked)
-		return;
-	int offset=y*stride+x/2;
-	int halfwidth=width/2;
-	for (int ay=y; ay<(y+height); ay++)
-	{
-		memset(lfb+offset, color, halfwidth);
-		offset+=stride;
-	}
+	if (available)
+		ioctl(fd, FBIOPUT_VSCREENINFO, &oldscreen);
+	if (lfb)
+		munmap(lfb, available);
+	showConsole(1);
+	disableManualBlit();
 }
 
-void fbClass::VLine(int x, int y, int sy, int color)
+int fbClass::PutCMAP()
 {
-	if (locked)
-		return;
-	int offset=y*stride+x/2;
-	while (sy--)
-	{
-		lfb[offset]=color;
-		offset+=stride;
-	}
+	return ioctl(fd, FBIOPUTCMAP, &cmap);
 }
 
 int fbClass::lock()
 {
 	if (locked)
 		return -1;
-	locked=1;
+	if (m_manual_blit == 1)
+	{
+		locked = 2;
+		disableManualBlit();
+	}
+	else
+		locked = 1;
 	return fd;
 }
 
@@ -184,7 +196,28 @@ void fbClass::unlock()
 {
 	if (!locked)
 		return;
+	if (locked == 2)  // re-enable manualBlit
+		enableManualBlit();
 	locked=0;
 	SetMode(xRes, yRes, bpp);
 	PutCMAP();
 }
+
+void fbClass::enableManualBlit()
+{
+	unsigned char tmp = 1;
+	if (ioctl(fd,FBIO_SET_MANUAL_BLIT, &tmp)<0)
+		perror("FBIO_SET_MANUAL_BLIT");
+	else
+		m_manual_blit = 1;
+}
+
+void fbClass::disableManualBlit()
+{
+	unsigned char tmp = 0;
+	if (ioctl(fd,FBIO_SET_MANUAL_BLIT, &tmp)<0) 
+		perror("FBIO_SET_MANUAL_BLIT");
+	else
+		m_manual_blit = 0;
+}
+