X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fvideo%2Fomapdss%2Fosdl_video.c;h=764b857bd932cd265228ca49b52659869fc1fa1b;hb=f11c56a62f5d270a7aea3e7d63c00bda01191a78;hp=d492d369330c8221078d2dc4f253fd7b1ab636cb;hpb=f641fccb7413775feab03ea268cc503cfb47b9b7;p=sdl_omap.git

diff --git a/src/video/omapdss/osdl_video.c b/src/video/omapdss/osdl_video.c
index d492d36..764b857 100644
--- a/src/video/omapdss/osdl_video.c
+++ b/src/video/omapdss/osdl_video.c
@@ -1,5 +1,5 @@
 /*
- * (C) Gražvydas "notaz" Ignotas, 2010
+ * (C) Gražvydas "notaz" Ignotas, 2010-2011
  *
  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
  * See the COPYING file in the top-level directory.
@@ -20,28 +20,40 @@
 #include "omapsdl.h"
 #include "omapfb.h"
 #include "linux/fbdev.h"
-#include "linux/oshide.h"
+#include "linux/xenv.h"
 
 struct omapfb_saved_layer {
 	struct omapfb_plane_info pi;
 	struct omapfb_mem_info mi;
 };
 
+static const char *get_fb_device(void)
+{
+	const char *fbname = getenv("SDL_FBDEV");
+	if (fbname == NULL)
+		fbname = "/dev/fb1";
+
+	return fbname;
+}
+
 static int osdl_setup_omapfb(int fd, int enabled, int x, int y, int w, int h, int mem)
 {
 	struct omapfb_plane_info pi;
 	struct omapfb_mem_info mi;
 	int ret;
 
+	memset(&pi, 0, sizeof(pi));
+	memset(&mi, 0, sizeof(mi));
+
 	ret = ioctl(fd, OMAPFB_QUERY_PLANE, &pi);
 	if (ret != 0) {
-		perror("QUERY_PLANE");
+		err_perror("QUERY_PLANE");
 		return -1;
 	}
 
 	ret = ioctl(fd, OMAPFB_QUERY_MEM, &mi);
 	if (ret != 0) {
-		perror("QUERY_MEM");
+		err_perror("QUERY_MEM");
 		return -1;
 	}
 
@@ -50,14 +62,16 @@ static int osdl_setup_omapfb(int fd, int enabled, int x, int y, int w, int h, in
 		pi.enabled = 0;
 		ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
 		if (ret != 0)
-			perror("SETUP_PLANE");
+			err_perror("SETUP_PLANE");
 	}
 
-	mi.size = mem;
-	ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);
-	if (ret != 0) {
-		perror("SETUP_MEM");
-		return -1;
+	if (mi.size < mem) {
+		mi.size = mem;
+		ret = ioctl(fd, OMAPFB_SETUP_MEM, &mi);
+		if (ret != 0) {
+			err_perror("SETUP_MEM");
+			return -1;
+		}
 	}
 
 	pi.pos_x = x;
@@ -68,7 +82,8 @@ static int osdl_setup_omapfb(int fd, int enabled, int x, int y, int w, int h, in
 
 	ret = ioctl(fd, OMAPFB_SETUP_PLANE, &pi);
 	if (ret != 0) {
-		perror("SETUP_PLANE");
+		err_perror("SETUP_PLANE");
+		err("(%d %d %d %d)\n", x, y, w, h);
 		return -1;
 	}
 
@@ -82,16 +97,14 @@ static int read_sysfs(const char *fname, char *buff, size_t size)
 
 	f = fopen(fname, "r");
 	if (f == NULL) {
-		fprintf(stderr, "open %s: ", fname);
-		perror(NULL);
+		err_perror("open %s: ", fname);
 		return -1;
 	}
 
 	ret = fread(buff, 1, size - 1, f);
 	fclose(f);
 	if (ret <= 0) {
-		fprintf(stderr, "read %s: ", fname);
-		perror(NULL);
+		err_perror("read %s: ", fname);
 		return -1;
 	}
 
@@ -102,75 +115,49 @@ static int read_sysfs(const char *fname, char *buff, size_t size)
 	return 0;
 }
 
-static int osdl_setup_omap_layer(struct SDL_PrivateVideoData *pdata,
-		const char *fbname, int width, int height, int bpp)
+int osdl_video_detect_screen(struct SDL_PrivateVideoData *pdata)
 {
-	int x = 0, y = 0, w = width, h = height; /* layer size and pos */
-	int screen_w = w, screen_h = h;
 	int fb_id, overlay_id = -1, screen_id = -1;
+	struct fb_var_screeninfo fbvar;
 	char buff[64], screen_name[64];
+	const char *fbname;
 	struct stat status;
-	const char *tmp;
-	int i, ret, fd;
+	int fd, i, ret;
+	int w, h;
 	FILE *f;
 
-	fd = open(fbname, O_RDWR);
-	if (fd == -1) {
-		fprintf(stderr, "open %s: ", fbname);
-		perror(NULL);
-		return -1;
-	}
-
-	/* FIXME: assuming layer doesn't change here */
-	if (pdata->saved_layer == NULL) {
-		struct omapfb_saved_layer *slayer;
-		slayer = calloc(1, sizeof(*slayer));
-		if (slayer == NULL)
-			return -1;
-
-		ret = ioctl(fd, OMAPFB_QUERY_PLANE, &slayer->pi);
-		if (ret != 0) {
-			perror("QUERY_PLANE");
-			return -1;
-		}
-
-		ret = ioctl(fd, OMAPFB_QUERY_MEM, &slayer->mi);
-		if (ret != 0) {
-			perror("QUERY_MEM");
-			return -1;
-		}
+	pdata->phys_w = pdata->phys_h = 0;
 
-		pdata->saved_layer = slayer;
-	}
+	fbname = get_fb_device();
 
-	/* Figure out screen resolution, we will want to center if scaling is not enabled.
+	/* Figure out screen resolution, we need to know default resolution
+	 * to report to SDL and for centering stuff.
 	 * The only way to achieve this seems to be walking some sysfs files.. */
 	ret = stat(fbname, &status);
 	if (ret != 0) {
-		fprintf(stderr, "can't stat %s: ", fbname);
-		perror(NULL);
-		return -1;
+		err_perror("can't stat %s", fbname);
+		goto skip_screen;
 	}
 	fb_id = minor(status.st_rdev);
 
 	snprintf(buff, sizeof(buff), "/sys/class/graphics/fb%d/overlays", fb_id);
 	f = fopen(buff, "r");
 	if (f == NULL) {
-		fprintf(stderr, "can't open %s, skip screen detection\n", buff);
+		err("can't open %s, skip screen detection", buff);
 		goto skip_screen;
 	}
 
 	ret = fscanf(f, "%d", &overlay_id);
 	fclose(f);
 	if (ret != 1) {
-		fprintf(stderr, "can't parse %s, skip screen detection\n", buff);
+		err("can't parse %s, skip screen detection", buff);
 		goto skip_screen;
 	}
 
 	snprintf(buff, sizeof(buff), "/sys/devices/platform/omapdss/overlay%d/manager", overlay_id);
 	ret = read_sysfs(buff, screen_name, sizeof(screen_name));
 	if (ret < 0) {
-		fprintf(stderr, "skip screen detection\n");
+		err("skip screen detection");
 		goto skip_screen;
 	}
 
@@ -187,80 +174,181 @@ static int osdl_setup_omap_layer(struct SDL_PrivateVideoData *pdata,
 	}
 
 	if (screen_id < 0) {
-		fprintf(stderr, "could not find screen\n");
+		err("could not find screen");
 		goto skip_screen;
 	}
 
 	snprintf(buff, sizeof(buff), "/sys/devices/platform/omapdss/display%d/timings", screen_id);
 	f = fopen(buff, "r");
 	if (f == NULL) {
-		fprintf(stderr, "can't open %s, skip screen detection\n", buff);
+		err("can't open %s, skip screen detection", buff);
 		goto skip_screen;
 	}
 
-	ret = fscanf(f, "%*d,%d/%*d/%*d/%*d,%d/%*d/%*d/%*d", &screen_w, &screen_h);
+	ret = fscanf(f, "%*d,%d/%*d/%*d/%*d,%d/%*d/%*d/%*d", &w, &h);
 	fclose(f);
 	if (ret != 2) {
-		fprintf(stderr, "can't parse %s (%d), skip screen detection\n", buff, ret);
+		err("can't parse %s (%d), skip screen detection", buff, ret);
 		goto skip_screen;
 	}
 
-	printf("detected %dx%d '%s' (%d) screen attached to fb %d and overlay %d\n",
-		screen_w, screen_h, screen_name, screen_id, fb_id, overlay_id);
+	log("detected %dx%d '%s' (%d) screen attached to fb %d and overlay %d",
+		w, h, screen_name, screen_id, fb_id, overlay_id);
+
+	pdata->phys_w = w;
+	pdata->phys_h = h;
+	return 0;
 
 skip_screen:
+	/* attempt to extract this from FB then */
+	fd = open(fbname, O_RDWR);
+	if (fd == -1) {
+		err_perror("open %s", fbname);
+		return -1;
+	}
+
+	ret = ioctl(fd, FBIOGET_VSCREENINFO, &fbvar);
+	close(fd);
+	if (ret == -1) {
+		err_perror("ioctl %s", fbname);
+		return -1;
+	}
+
+	if (fbvar.xres == 0 || fbvar.yres == 0) {
+		err("VSCREENINFO has nothing meaningful");
+		return -1;
+	}
+
+	pdata->phys_w = fbvar.xres;
+	pdata->phys_h = fbvar.yres;
+	return 0;
+}
+
+static int osdl_setup_omap_layer(struct SDL_PrivateVideoData *pdata,
+		const char *fbname, int width, int height, int bpp)
+{
+	int x = 0, y = 0, w = width, h = height; /* layer size and pos */
+	int screen_w = w, screen_h = h;
+	int tmp_w, tmp_h;
+	const char *tmp;
+	int retval = -1;
+	int ret, fd;
+
+	pdata->layer_x = pdata->layer_y = pdata->layer_w = pdata->layer_h = 0;
+
+	if (pdata->phys_w != 0)
+		screen_w = pdata->phys_w;
+	if (pdata->phys_h != 0)
+		screen_h = pdata->phys_h;
+
+	fd = open(fbname, O_RDWR);
+	if (fd == -1) {
+		err_perror("open %s", fbname);
+		return -1;
+	}
+
+	/* FIXME: assuming layer doesn't change here */
+	if (pdata->saved_layer == NULL) {
+		struct omapfb_saved_layer *slayer;
+		slayer = calloc(1, sizeof(*slayer));
+		if (slayer == NULL)
+			goto out;
+
+		ret = ioctl(fd, OMAPFB_QUERY_PLANE, &slayer->pi);
+		if (ret != 0) {
+			err_perror("QUERY_PLANE");
+			goto out;
+		}
+
+		ret = ioctl(fd, OMAPFB_QUERY_MEM, &slayer->mi);
+		if (ret != 0) {
+			err_perror("QUERY_MEM");
+			goto out;
+		}
+
+		pdata->saved_layer = slayer;
+	}
+
 	tmp = getenv("SDL_OMAP_LAYER_SIZE");
 	if (tmp != NULL) {
-		int w_, h_;
 		if (strcasecmp(tmp, "fullscreen") == 0)
 			w = screen_w, h = screen_h;
-		else if (sscanf(tmp, "%dx%d", &w_, &h_) == 2)
-			w = w_, h = h_;
+		else if (sscanf(tmp, "%dx%d", &tmp_w, &tmp_h) == 2)
+			w = tmp_w, h = tmp_h;
 		else
-			fprintf(stderr, "layer size specified incorrectly, "
-					"should be like 800x480");
+			err("layer size specified incorrectly, "
+				"should be like 800x480");
 	}
 
+	/* the layer can't be set larger than screen */
+	tmp_w = w, tmp_h = h;
+	if (w > screen_w)
+		w = screen_w;
+	if (h > screen_h)
+		h = screen_h;
+	if (w != tmp_w || h != tmp_h)
+		log("layer resized %dx%d -> %dx%d to fit screen", tmp_w, tmp_h, w, h);
+
 	x = screen_w / 2 - w / 2;
 	y = screen_h / 2 - h / 2;
-	ret = osdl_setup_omapfb(fd, 1, x, y, w, h, width * height * ((bpp + 7) / 8) * 3);
-	close(fd);
+	ret = osdl_setup_omapfb(fd, 1, x, y, w, h, width * height * ((bpp + 7) / 8) * 2);
+	if (ret == 0) {
+		pdata->layer_x = x;
+		pdata->layer_y = y;
+		pdata->layer_w = w;
+		pdata->layer_h = h;
+	}
 
-	return ret;
+	retval = ret;
+out:
+	close(fd);
+	return retval;
 }
 
-int osdl_video_set_mode(struct SDL_PrivateVideoData *pdata, int width, int height, int bpp)
+void *osdl_video_set_mode(struct SDL_PrivateVideoData *pdata,
+			  int border_l, int border_r, int border_t, int border_b,
+			  int width, int height, int bpp, int doublebuf)
 {
 	const char *fbname;
+	void *result;
 	int ret;
 
-	bpp = 16; // FIXME
-
-	fbname = getenv("SDL_FBDEV");
-	if (fbname == NULL)
-		fbname = "/dev/fb1";
+	fbname = get_fb_device();
 
 	if (pdata->fbdev != NULL) {
 		vout_fbdev_finish(pdata->fbdev);
 		pdata->fbdev = NULL;
 	}
 
-	omapsdl_config_from_env();
-
 	ret = osdl_setup_omap_layer(pdata, fbname, width, height, bpp);
 	if (ret < 0)
-		return -1;
+		return NULL;
 
-	pdata->fbdev = vout_fbdev_init(fbname, &width, &height, 0);
+	pdata->fbdev = vout_fbdev_init(fbname, &width, &height, bpp, doublebuf ? 2 : 1);
 	if (pdata->fbdev == NULL)
-		return -1;
+		return NULL;
+
+	if (border_l | border_r | border_t | border_b) {
+		width -= border_l + border_r;
+		height -= border_t + border_b;
+		result = vout_fbdev_resize(pdata->fbdev, width, height, bpp,
+				border_l, border_r, border_t, border_b, doublebuf ? 2 : 1);
+	}
+	else {
+		result = osdl_video_flip(pdata);
+	}
+	if (result == NULL) {
+		osdl_video_finish(pdata);
+		return NULL;
+	}
 
-	if (!pdata->oshide_done) {
-		oshide_init();
-		pdata->oshide_done = 1;
+	if (!pdata->xenv_up) {
+		ret = xenv_init();
+		if (ret == 0)
+			pdata->xenv_up = 1;
 	}
 
-	return 0;
+	return result;
 }
 
 void *osdl_video_flip(struct SDL_PrivateVideoData *pdata)
@@ -268,7 +356,7 @@ void *osdl_video_flip(struct SDL_PrivateVideoData *pdata)
 	if (pdata->fbdev == NULL)
 		return NULL;
 
-	if (gcfg_force_vsync)
+	if (pdata->cfg_force_vsync)
 		vout_fbdev_wait_vsync(pdata->fbdev);
 
 	return vout_fbdev_flip(pdata->fbdev);
@@ -278,10 +366,7 @@ void osdl_video_finish(struct SDL_PrivateVideoData *pdata)
 {
 	static const char *fbname;
 
-	fbname = getenv("SDL_FBDEV");
-	if (fbname == NULL)
-		fbname = "/dev/fb1";
-
+	fbname = get_fb_device();
 	if (pdata->fbdev != NULL) {
 		vout_fbdev_finish(pdata->fbdev);
 		pdata->fbdev = NULL;
@@ -310,9 +395,9 @@ void osdl_video_finish(struct SDL_PrivateVideoData *pdata)
 		pdata->saved_layer = NULL;
 	}
 
-	if (pdata->oshide_done) {
-		oshide_finish();
-		pdata->oshide_done = 0;
+	if (pdata->xenv_up) {
+		xenv_finish();
+		pdata->xenv_up = 0;
 	}
 }