osd resolution: Add 'mode' to osd_resolution_struct_t

- Use COsdSetup::OSDMODE_XXX enums to identify various resolutions

src/driver/fb_accel_cs_hd1.cpp

@@ -344,6 +344,7 @@ void CFbAccelCSHD1::setOsdResolutions()
 	res.xRes = 1280;
 	res.yRes = 720;
 	res.bpp  = 32;
+	res.mode = OSDMODE_720;
 	osd_resolutions.push_back(res);
 }
 

src/driver/fb_accel_cs_hd2.cpp

@@ -215,11 +215,13 @@ void CFbAccelCSHD2::setOsdResolutions()
 	res.xRes = 1280;
 	res.yRes = 720;
 	res.bpp  = 32;
+	res.mode = OSDMODE_720;
 	osd_resolutions.push_back(res);
 	if (fullHdAvailable()) {
 		res.xRes = 1920;
 		res.yRes = 1080;
 		res.bpp  = 32;
+		res.mode = OSDMODE_1080;
 		osd_resolutions.push_back(res);
 	}
 }

src/driver/fb_accel_cs_hdx_inc.h

@@ -32,6 +32,7 @@
 #include <unistd.h>
 #include <sys/mman.h>
 #include <gui/color.h>
+#include <gui/osd_helpers.h>
 #include <system/debug.h>
 
 #include <cs_api.h>

src/driver/fb_generic.cpp

@@ -46,6 +46,7 @@
 
 #include <gui/audiomute.h>
 #include <gui/color.h>
+#include <gui/osd_helpers.h>
 #include <gui/pictureviewer.h>
 #include <system/debug.h>
 #include <global.h>
@@ -362,9 +363,22 @@ void CFrameBuffer::setOsdResolutions()
 	res.xRes = 1280;
 	res.yRes = 720;
 	res.bpp  = 32;
+	res.mode = OSDMODE_720;
 	osd_resolutions.push_back(res);
 }
 
+size_t CFrameBuffer::getIndexOsdResolution(uint32_t mode)
+{
+	if (osd_resolutions.size() == 1)
+		return 0;
+
+	for (size_t i = 0; i < osd_resolutions.size(); i++) {
+		if (osd_resolutions[i].mode == mode)
+			return i;
+	}
+	return 0;
+}
+
 #if 0
 //never used
 void CFrameBuffer::setTransparency( int /*tr*/ )

src/driver/fb_generic.h

@@ -44,6 +44,7 @@ typedef struct osd_resolution_t
 	uint32_t yRes;
 	uint32_t xRes;
 	uint32_t bpp;
+	uint32_t mode;
 } osd_resolution_struct_t;
 
 typedef struct gradientData_t
@@ -284,6 +285,7 @@ class CFrameBuffer : public sigc::trackable
 		virtual bool fullHdAvailable() { return false; };
 		virtual void setOsdResolutions();
 		std::vector<osd_resolution_t> osd_resolutions;
+		size_t getIndexOsdResolution(uint32_t mode);
 
 		enum
 			{