Merge "opengles emulator: use bionic tls slot"

tools/emulator/opengl/system/GLESv1/gl.cpp

@@ -6,10 +6,11 @@
 #include "ErrorLog.h"
 #include <private/ui/android_natives_priv.h>
 #include "gralloc_cb.h"
+#include "ThreadInfo.h"
 
 
 //XXX: fix this macro to get the context from fast tls path
-#define GET_CONTEXT gl_client_context_t * ctx = HostConnection::get()->glEncoder();
+#define GET_CONTEXT gl_client_context_t * ctx = getEGLThreadInfo()->hostConn->glEncoder();
 
 #include "gl_entry.cpp"
 

tools/emulator/opengl/system/GLESv2/gl2.cpp

@@ -6,10 +6,10 @@
 #include "ErrorLog.h"
 #include <private/ui/android_natives_priv.h>
 #include "gralloc_cb.h"
-
+#include "ThreadInfo.h"
 
 //XXX: fix this macro to get the context from fast tls path
-#define GET_CONTEXT gl2_client_context_t * ctx = HostConnection::get()->gl2Encoder();
+#define GET_CONTEXT gl2_client_context_t * ctx = getEGLThreadInfo()->hostConn->gl2Encoder();
 
 #include "gl2_entry.cpp"
 

tools/emulator/opengl/system/OpenglSystemCommon/Android.mk

@@ -8,6 +8,6 @@ LOCAL_SRC_FILES := \
     QemuPipeStream.cpp \
     ThreadInfo.cpp
 
-$(call emugl-export,C_INCLUDES,$(LOCAL_PATH))
+$(call emugl-export,C_INCLUDES,$(LOCAL_PATH) bionic/libc/private)
 
 $(call emugl-end-module)

tools/emulator/opengl/system/OpenglSystemCommon/ThreadInfo.cpp

@@ -27,7 +27,7 @@ static void tlsDestruct(void *ptr)
     }
 }
 
-EGLThreadInfo *getEGLThreadInfo()
+EGLThreadInfo *slow_getEGLThreadInfo()
 {
     EGLThreadInfo *ti = (EGLThreadInfo *)thread_store_get(&s_tls);
     if (ti) return ti;

tools/emulator/opengl/system/OpenglSystemCommon/ThreadInfo.h

@@ -17,6 +17,10 @@
 #define _THREAD_INFO_H
 
 #include "HostConnection.h"
+#include <pthread.h>
+#ifdef HAVE_ANDROID_OS
+#include <bionic_tls.h>
+#endif
 
 struct EGLContext_t;
 
@@ -30,5 +34,26 @@ struct EGLThreadInfo
 };
 
 
-EGLThreadInfo *getEGLThreadInfo();
+EGLThreadInfo *slow_getEGLThreadInfo();
+
+#ifdef HAVE_ANDROID_OS
+    // We have a dedicated TLS slot in bionic
+    inline EGLThreadInfo* getEGLThreadInfo() {
+        EGLThreadInfo *tInfo =
+             (EGLThreadInfo *)(((unsigned *)__get_tls())[TLS_SLOT_OPENGL]);
+        if (!tInfo) {
+            tInfo = slow_getEGLThreadInfo();
+            ((uint32_t *)__get_tls())[TLS_SLOT_OPENGL] = (uint32_t)tInfo;
+        }
+        return tInfo;
+    }
+#else
+    inline EGLThreadInfo* getEGLThreadInfo() {
+        return slow_getEGLThreadInfo();
+    }
 #endif
+
+
+
+
+#endif // of _THREAD_INFO_H

tools/emulator/opengl/system/egl/Android.mk

@@ -17,6 +17,7 @@ LOCAL_SRC_FILES := \
         egl.cpp \
         ClientAPIExts.cpp
 
+LOCAL_C_INCLUDES += bionic/libc/private
 
 LOCAL_PRELINK_MODULE := false
 LOCAL_CFLAGS += -DLOG_TAG=\"EGL_emulation\" -DEGL_EGLEXT_PROTOTYPES -DWITH_GLES2

tools/emulator/opengl/system/gralloc/Android.mk

@@ -15,6 +15,8 @@ LOCAL_ADDITIONAL_DEPENDENCIES := \
 LOCAL_SRC_FILES := \
         gralloc.cpp
 
+LOCAL_C_INCLUDES += bionic/libc/private
+
 LOCAL_C_INCLUDES += \
         $(emulatorOpengl)/host/include/libOpenglRender \
         $(emulatorOpengl)/shared/OpenglCodecCommon \