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EGL: Use cache sizes defined in the BoardConfig

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This change introduces two new BoardConfig variables to control the size
limits of the EGL blob cache.  MAX_EGL_CACHE_ENTRY_SIZE is the size
limit for values inserted into the cache, and MAX_EGL_CACHE_SIZE is the
size limit for all entries in the entire cache (including both keys and
values).  If either of these BoardConfig variables are not defined then
a default size limit is used instead.

Change-Id: I6703d93f966b6389c6499f23d841e42339f9c9d7
This commit is contained in:
Jamie Gennis
2011-11-19 16:25:24 -08:00
parent 0e2c2f3971
commit 6f0f0b1865
2 changed files with 18 additions and 3 deletions
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9
opengl/libs/Android.mk
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@@ -44,10 +44,17 @@ ifeq ($(ARCH_ARM_HAVE_TLS_REGISTER),true)
LOCAL_CFLAGS += -DHAVE_ARM_TLS_REGISTER
endif
ifneq ($(MAX_EGL_CACHE_ENTRY_SIZE),)
LOCAL_CFLAGS += -DMAX_EGL_CACHE_ENTRY_SIZE=$(MAX_EGL_CACHE_ENTRY_SIZE)
endif
ifneq ($(MAX_EGL_CACHE_SIZE),)
LOCAL_CFLAGS += -DMAX_EGL_CACHE_SIZE=$(MAX_EGL_CACHE_SIZE)
endif
include $(BUILD_SHARED_LIBRARY)
installed_libEGL := $(LOCAL_INSTALLED_MODULE)
# OpenGL drivers config file
ifneq ($(BOARD_EGL_CFG),)

12
opengl/libs/EGL/egl_cache.cpp
View File

@@ -25,10 +25,18 @@
#include <sys/types.h>
#include <unistd.h>
#ifndef MAX_EGL_CACHE_ENTRY_SIZE
#define MAX_EGL_CACHE_ENTRY_SIZE (16 * 1024);
#endif
#ifndef MAX_EGL_CACHE_SIZE
#define MAX_EGL_CACHE_SIZE (64 * 1024);
#endif
// Cache size limits.
static const size_t maxKeySize = 1024;
static const size_t maxValueSize = 4096;
static const size_t maxTotalSize = 64 * 1024;
static const size_t maxValueSize = MAX_EGL_CACHE_ENTRY_SIZE;
static const size_t maxTotalSize = MAX_EGL_CACHE_SIZE;
// Cache file header
static const char* cacheFileMagic = "EGL$";