Merge "hwc: Change default app buffers count for ferrum."
diff --git a/libhwcomposer/hwc_utils.cpp b/libhwcomposer/hwc_utils.cpp
index d67a7a1..7cf390e 100644
--- a/libhwcomposer/hwc_utils.cpp
+++ b/libhwcomposer/hwc_utils.cpp
@@ -43,6 +43,7 @@
#include "comptype.h"
#include "hwc_virtual.h"
#include "qd_utils.h"
+#include <sys/sysinfo.h>
using namespace qClient;
using namespace qService;
@@ -73,6 +74,11 @@
#endif
#endif
+#define PROP_DEFAULT_APPBUFFER "ro.sf.default_app_buffer"
+#define MAX_RAM_SIZE 512*1024*1024
+#define qHD_WIDTH 540
+
+
namespace qhwc {
//Std refresh rates for digital videos- 24p, 30p and 48p
@@ -232,6 +238,25 @@
return 0;
}
+static void changeDefaultAppBufferCount() {
+ struct sysinfo info;
+ unsigned long int ramSize = 0;
+ if (!sysinfo(&info)) {
+ ramSize = info.totalram ;
+ }
+ int fb_fd = -1;
+ struct fb_var_screeninfo sInfo ={0};
+ fb_fd = open("/dev/graphics/fb0", O_RDONLY);
+ if (fb_fd >=0) {
+ ioctl(fb_fd, FBIOGET_VSCREENINFO, &sInfo);
+ close(fb_fd);
+ }
+ if ((ramSize && ramSize < MAX_RAM_SIZE) &&
+ (sInfo.xres && sInfo.xres <= qHD_WIDTH )) {
+ property_set(PROP_DEFAULT_APPBUFFER, "2");
+ }
+}
+
void initContext(hwc_context_t *ctx)
{
openFramebufferDevice(ctx);
@@ -243,6 +268,10 @@
ctx->mOverlay = overlay::Overlay::getInstance();
ctx->mRotMgr = RotMgr::getInstance();
+ //default_app_buffer for ferrum
+ if (ctx->mMDP.version == qdutils::MDP_V3_0_5) {
+ changeDefaultAppBufferCount();
+ }
// Initialize composition objects for the primary display
initCompositionResources(ctx, HWC_DISPLAY_PRIMARY);