LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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Merge "hwc: Change default app buffers count for ferrum."

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2014-10-07 15:02:57 -07:00
committed by Gerrit - the friendly Code Review server
parent eb6c9c8786 98c533c60c
commit b4e1c173be
1 changed files with 29 additions and 0 deletions
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29
libhwcomposer/hwc_utils.cpp
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@@ -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 @@ EGLAPI EGLBoolean eglGpuPerfHintQCOM(EGLDisplay dpy, EGLContext ctx,
#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 @@ static int openFramebufferDevice(hwc_context_t *ctx)
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 @@ void initContext(hwc_context_t *ctx)
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);