framebuffer-ng: move hw-specific stuff into fbaccel

hardware initialization is platform specific, so put
it into fbaccel instead.

src/driver/fbaccel.cpp

@@ -197,6 +197,7 @@ CFbAccel::CFbAccel(CFrameBuffer *_fb)
 {
 	blit_thread = false;
 	fb = _fb;
+	init();
 	lastcol = 0xffffffff;
 	lbb = fb->lfb;	/* the memory area to draw to... */
 #ifdef HAVE_SPARK_HARDWARE
@@ -311,6 +312,12 @@ CFbAccel::~CFbAccel()
 	if (devmem_fd != -1)
 		close(devmem_fd);
 #endif
+#ifndef USE_OPENGL
+	if (fb->lfb)
+		munmap(fb->lfb, fb->available);
+	if (fb->fd > -1)
+		close(fb->fd);
+#endif
 }
 
 void CFbAccel::update()
@@ -928,3 +935,57 @@ void CFbAccel::mark(int, int, int, int)
 }
 #endif
 
+bool CFbAccel::init(void)
+{
+	fb_pixel_t *lfb;
+	fb->lfb = NULL;
+	fb->fd = -1;
+#ifdef USE_OPENGL
+	if (!glfb) {
+		fprintf(stderr, "CFbAccel::init: GL Framebuffer is not set up? we are doomed...\n");
+		return false;
+	}
+	fb->screeninfo = glfb->getScreenInfo();
+	fb->stride = 4 * fb->screeninfo.xres;
+	fb->available = glfb->getOSDBuffer()->size(); /* allocated in glfb constructor */
+	lfb = reinterpret_cast<fb_pixel_t*>(glfb->getOSDBuffer()->data());
+#else
+	int fd;
+#if HAVE_TRIPLEDRAGON
+	/* kernel is too old for O_CLOEXEC :-( */
+	fd = open("/dev/fb0", O_RDWR);
+	if (fd != -1)
+		fcntl(fd, F_SETFD, FD_CLOEXEC);
+#else
+	fd = open("/dev/fb0", O_RDWR|O_CLOEXEC);
+#endif
+	if (fd < 0) {
+		perror("open /dev/fb0");
+		return false;
+	}
+	fb->fd = fd;
+
+	if (ioctl(fd, FBIOGET_VSCREENINFO, &fb->screeninfo) < 0) {
+		perror("FBIOGET_VSCREENINFO");
+		return false;
+	}
+
+	if (ioctl(fd, FBIOGET_FSCREENINFO, &fb->fix) < 0) {
+		perror("FBIOGET_FSCREENINFO");
+		return false;
+	}
+
+	fb->available = fb->fix.smem_len;
+	printf("%dk video mem\n", fb->available / 1024);
+	lfb = (fb_pixel_t *)mmap(0, fb->available, PROT_WRITE|PROT_READ, MAP_SHARED, fd, 0);
+
+	if (lfb == MAP_FAILED) {
+		perror("mmap");
+		return false;;
+	}
+#endif
+
+	memset(lfb, 0, fb->available);
+	fb->lfb = lfb;
+	return true;
+}

src/driver/fbaccel.h

@@ -62,6 +62,7 @@ class CFbAccel
 		fb_pixel_t *lbb;
 		CFbAccel(CFrameBuffer *fb);
 		~CFbAccel();
+		bool init(void);
 		void paintPixel(int x, int y, const fb_pixel_t col);
 		void paintRect(const int x, const int y, const int dx, const int dy, const fb_pixel_t col);
 		void paintLine(int xa, int ya, int xb, int yb, const fb_pixel_t col);

src/driver/framebuffer_ng.cpp

@@ -219,53 +219,10 @@ void CFrameBuffer::setupGXA(void)
 }
 #endif
 
-void CFrameBuffer::init(const char * const fbDevice)
+void CFrameBuffer::init(const char * const)
 {
         int tr = 0xFF;
-#ifdef USE_OPENGL
-	(void)fbDevice;
-	fd = -1;
-	if (!glfb) {
-		fprintf(stderr, "CFrameBuffer::init: GL Framebuffer is not set up? we are doomed...\n");
-		goto nolfb;
-	}
-	screeninfo = glfb->getScreenInfo();
-	stride = 4 * screeninfo.xres;
-	available = glfb->getOSDBuffer()->size(); /* allocated in glfb constructor */
-	lfb = reinterpret_cast<fb_pixel_t*>(glfb->getOSDBuffer()->data());
-	memset(lfb, 0x7f, stride * screeninfo.yres);
-#else
-	fd = open(fbDevice, O_RDWR);
-	if(!fd) fd = open(fbDevice, O_RDWR);
-
-	if (fd<0) {
-		perror(fbDevice);
-		goto nolfb;
-	}
-
-	if (ioctl(fd, FBIOGET_VSCREENINFO, &screeninfo)<0) {
-		perror("FBIOGET_VSCREENINFO");
-		goto nolfb;
-	}
-
-	memmove(&oldscreen, &screeninfo, sizeof(screeninfo));
-
-	if (ioctl(fd, FBIOGET_FSCREENINFO, &fix)<0) {
-		perror("FBIOGET_FSCREENINFO");
-		goto nolfb;
-	}
-
-	available=fix.smem_len;
-	printf("%dk video mem\n", available/1024);
-	lfb=(fb_pixel_t*)mmap(0, available, PROT_WRITE|PROT_READ, MAP_SHARED, fd, 0);
-
-	if (lfb == MAP_FAILED) {
-		perror("mmap");
-		goto nolfb;
-	}
-
-	memset(lfb, 0, available);
-#endif /* USE_OPENGL */
+	accel = new CFbAccel(this);
 	cache_size = 0;
 
         /* Windows Colors */
@@ -292,12 +249,7 @@ void CFrameBuffer::init(const char * const fbDevice)
 
         useBackground(false);
 	m_transparent = m_transparent_default;
-	accel = new CFbAccel(this);
 	return;
-
-nolfb:
-	printf("framebuffer not available.\n");
-	lfb=0;
 }
 
 
@@ -322,19 +274,16 @@ CFrameBuffer::~CFrameBuffer()
 		backupBackground = NULL;
 	}
 
-	if (lfb)
-		munmap(lfb, available);
-
 	if (virtual_fb){
 		delete[] virtual_fb;
 		virtual_fb = NULL;
 	}
 	delete accel;
-	close(fd);
 }
 
 int CFrameBuffer::getFileHandle() const
 {
+	fprintf(stderr, "[fb]::%s: WARNING, this should never be used, please report!\n", __func__);
 	return fd;
 }