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am 1d2eb663: am 2d15fcab: Merge "reduce PB size from 2MB to 512KB" into jb-dev

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* commit '1d2eb663ef5cf69aa852045c8a1c1807dfa7039e':
  reduce PB size from 2MB to 512KB
This commit is contained in:
Mathias Agopian 2012-06-12 13:15:10 -07:00 committed by Android Git Automerger
commit 4b3e4ae045
2 changed files with 53 additions and 1 deletions
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7
opengl/libs/Android.mk
View File

@ -41,7 +41,12 @@ ifeq ($(BOARD_ALLOW_EGL_HIBERNATION),true)
endif
ifeq ($(TARGET_BOARD_PLATFORM),msm7k)
LOCAL_CFLAGS += -DADRENO130=1
LOCAL_CFLAGS += -DADRENO130=1
endif
ifeq ($(TARGET_BOARD_PLATFORM), s5pc110)
# see Loader.cpp for details
LOCAL_CFLAGS += -DSYSTEMUI_PBSIZE_HACK=1
endif
ifeq ($(ARCH_ARM_HAVE_TLS_REGISTER),true)

47
opengl/libs/EGL/Loader.cpp
View File

@ -81,6 +81,24 @@ checkGlesEmulationStatus(void)
// ----------------------------------------------------------------------------
static char const * getProcessCmdline() {
long pid = getpid();
char procPath[128];
snprintf(procPath, 128, "/proc/%ld/cmdline", pid);
FILE * file = fopen(procPath, "r");
if (file) {
static char cmdline[256];
char *str = fgets(cmdline, sizeof(cmdline) - 1, file);
fclose(file);
if (str) {
return cmdline;
}
}
return NULL;
}
// ----------------------------------------------------------------------------
Loader::driver_t::driver_t(void* gles)
{
dso[0] = gles;
@ -280,6 +298,35 @@ void *Loader::load_driver(const char* kind, const char *tag,
ALOGE_IF(!getProcAddress,
"can't find eglGetProcAddress() in %s", driver_absolute_path);
#ifdef SYSTEMUI_PBSIZE_HACK
#warning "SYSTEMUI_PBSIZE_HACK enabled"
/*
* TODO: replace SYSTEMUI_PBSIZE_HACK by something less hackish
*
* Here we adjust the PB size from its default value to 512KB which
* is the minimum acceptable for the systemui process.
* We do this on low-end devices only because it allows us to enable
* h/w acceleration in the systemui process while keeping the
* memory usage down.
*
* Obviously, this is the wrong place and wrong way to make this
* adjustment, but at the time of this writing this was the safest
* solution.
*/
const char *cmdline = getProcessCmdline();
if (strstr(cmdline, "systemui")) {
void *imgegl = dlopen("/vendor/lib/libIMGegl.so", RTLD_LAZY);
if (imgegl) {
unsigned int *PVRDefaultPBS =
(unsigned int *)dlsym(imgegl, "PVRDefaultPBS");
if (PVRDefaultPBS) {
ALOGD("setting default PBS to 512KB, was %d KB", *PVRDefaultPBS / 1024);
*PVRDefaultPBS = 512*1024;
}
}
}
#endif
egl_t* egl = &cnx->egl;
__eglMustCastToProperFunctionPointerType* curr =
(__eglMustCastToProperFunctionPointerType*)egl;