emulator/opengl: Remove android::Mutex.

This patch removes the dependency on android::Mutex from
<cutils/threads.h> by providing a custom implementation, which
is a simple wrapper around pthread_mutex_t / CriticalSection,
under shared/emugl/common/mutex.h

+ Provide unit tests.

Change-Id: I379ef0c480c478ab9ba5f2faaf8274267eff37ba

2 files changed, 8 insertions, 8 deletions

diff --git a/emulator/opengl/tests/ut_renderer/Renderer.cpp b/emulator/opengl/tests/ut_renderer/Renderer.cpp
index 22afadb..1102014 100644
--- a/emulator/opengl/tests/ut_renderer/Renderer.cpp
+++ b/emulator/opengl/tests/ut_renderer/Renderer.cpp
@@ -56,7 +56,7 @@ Renderer::Renderer()
 
 int Renderer::createSurface(RenderingThread *thread, const ClientHandle & handle)
 {
-    android::Mutex::Autolock(this->m_mutex);
+    emugl::Mutex::AutoLock(this->m_mutex);
 
     assert(m_surfaces.find(handle) == m_surfaces.end());
     if (handle.handle == 0) {
@@ -75,7 +75,7 @@ int Renderer::createSurface(RenderingThread *thread, const ClientHandle & handle
 
 int Renderer::destroySurface(RenderingThread *thread, const ClientHandle &handle)
 {
-    android::Mutex::Autolock(this->m_mutex);
+    emugl::Mutex::AutoLock(this->m_mutex);
 
     SurfaceMap::iterator i = m_surfaces.find(handle);
     if (i == m_surfaces.end()) {
@@ -90,7 +90,7 @@ int Renderer::destroySurface(RenderingThread *thread, const ClientHandle &handle
 
 int Renderer::createContext(RenderingThread *thread, const ClientHandle &handle, ClientHandle shareCtx, int version)
 {
-    android::Mutex::Autolock(this->m_mutex);
+    emugl::Mutex::AutoLock(this->m_mutex);
 
     assert(m_ctxs.find(handle) == m_ctxs.end());
     RendererContext *shared = NULL;
@@ -115,7 +115,7 @@ int Renderer::createContext(RenderingThread *thread, const ClientHandle &handle,
 
 int Renderer::destroyContext(RenderingThread *thread, const ClientHandle &handle)
 {
-    android::Mutex::Autolock(this->m_mutex);
+    emugl::Mutex::AutoLock(this->m_mutex);
 
     ContextMap::iterator i = m_ctxs.find(handle);
     if (i == m_ctxs.end()) {
@@ -133,7 +133,7 @@ int Renderer::makeCurrent(RenderingThread *thread,
                           const ClientHandle &readSurface,
                           const ClientHandle & ctx)
 {
-    android::Mutex::Autolock(this->m_mutex);
+    emugl::Mutex::AutoLock(this->m_mutex);
 
     RendererContext *currentContext = thread->currentContext();
 
@@ -172,7 +172,7 @@ int Renderer::makeCurrent(RenderingThread *thread,
 int Renderer::swapBuffers(RenderingThread *thread,
                           const ClientHandle &surface)
 {
-    android::Mutex::Autolock(this->m_mutex);
+    emugl::Mutex::AutoLock(this->m_mutex);
 
     SurfaceMap::iterator s = m_surfaces.find(surface);
     if (s == m_surfaces.end()) {
diff --git a/emulator/opengl/tests/ut_renderer/Renderer.h b/emulator/opengl/tests/ut_renderer/Renderer.h
index cdf10b6..81f4077 100644
--- a/emulator/opengl/tests/ut_renderer/Renderer.h
+++ b/emulator/opengl/tests/ut_renderer/Renderer.h
@@ -19,7 +19,7 @@
 #include "RendererSurface.h"
 #include "RendererContext.h"
 #include "NativeWindowing.h"
-#include <utils/threads.h>
+#include "emugl/common/mutex.h"
 
 class RenderingThread;
 
@@ -57,6 +57,6 @@ private:
     NativeWindowing *m_nw;
     EGLDisplay m_dpy;
 
-    android::Mutex m_mutex; // single global mutex for the renderer class;
+    emugl::Mutex m_mutex; // single global mutex for the renderer class;
 };
 #endif