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Merge "EGL translator: fixes shared context on windows"

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This commit is contained in:
David Turner
2011-07-03 05:45:29 -07:00
committed by Android Code Review
parent 82217072d9 cdc5179b90
commit eec12a62ce
3 changed files with 42 additions and 4 deletions
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38
tools/emulator/opengl/host/libs/Translator/EGL/EglDisplay.cpp
View File

@@ -23,7 +23,8 @@ EglDisplay::EglDisplay(EGLNativeDisplayType dpy,bool isDefault) :
m_initialized(false),
m_configInitialized(false),
m_isDefault(isDefault),
m_nextEglImageId(0)
m_nextEglImageId(0),
m_globalSharedContext(NULL)
{
m_manager[GLES_1_1] = new ObjectNameManager(&m_globalNameSpace);
m_manager[GLES_2_0] = new ObjectNameManager(&m_globalNameSpace);
@@ -31,6 +32,15 @@ EglDisplay::EglDisplay(EGLNativeDisplayType dpy,bool isDefault) :
EglDisplay::~EglDisplay() {
android::Mutex::Autolock mutex(m_lock);
//
// Destroy the global context if one was created.
// (should be true for windows platform only)
//
if (m_globalSharedContext != NULL) {
EglOS::destroyContext( m_dpy, m_globalSharedContext);
}
if(m_isDefault) {
EglOS::releaseDisplay(m_dpy);
}
@@ -264,7 +274,6 @@ EGLContext EglDisplay::addContext(ContextPtr ctx ) {
if(m_contexts.find(hndl) != m_contexts.end()) {
return ret;
}
m_contexts[hndl] = ctx;
return ret;
}
@@ -294,3 +303,28 @@ bool EglDisplay:: destroyImageKHR(EGLImageKHR img) {
}
return false;
}
EGLNativeContextType EglDisplay::getGlobalSharedContext(){
android::Mutex::Autolock mutex(m_lock);
#ifndef _WIN32
return (EGLNativeContextType)m_manager[GLES_1_1]->getGlobalContext();
#else
if (!m_globalSharedContext) {
//
// On windows we create a dummy context to serve as the
// "global context" which all contexts share with.
// This is because on windows it is not possible to share
// with a context which is already current. This dummy context
// will never be current to any thread so it is safe to share with.
// Create that context using the first config
if (m_configs.size() < 1) {
// Should not happen! config list should be initialized at this point
return NULL;
}
EglConfig *cfg = (*m_configs.begin());
m_globalSharedContext = EglOS::createContext(m_dpy,cfg,NULL);
}
return m_globalSharedContext;
#endif
}

2
tools/emulator/opengl/host/libs/Translator/EGL/EglDisplay.h
View File

@@ -65,6 +65,7 @@ public:
ImagePtr getImage(EGLImageKHR img);
EGLImageKHR addImageKHR(ImagePtr);
bool destroyImageKHR(EGLImageKHR img);
EGLNativeContextType getGlobalSharedContext();
private:
int doChooseConfigs(const EglConfig& dummy,EGLConfig* configs,int config_size);
@@ -83,6 +84,7 @@ private:
android::Mutex m_lock;
ImagesHndlMap m_eglImages;
unsigned int m_nextEglImageId;
EGLNativeContextType m_globalSharedContext;
};
#endif

4
tools/emulator/opengl/host/libs/Translator/EGL/EglImp.cpp
View File

@@ -641,7 +641,9 @@ EGLAPI EGLContext EGLAPIENTRY eglCreateContext(EGLDisplay display, EGLConfig con
nativeShared = sharedCtxPtr->nativeType();
}
EGLNativeContextType nativeContext = EglOS::createContext(dpy->nativeType(),cfg,static_cast<EGLNativeContextType>(dpy->getManager(version)->getGlobalContext()));
EGLNativeContextType globalSharedContext = dpy->getGlobalSharedContext();
EGLNativeContextType nativeContext = EglOS::createContext(dpy->nativeType(),cfg,globalSharedContext);
if(nativeContext) {
ContextPtr ctx(new EglContext(nativeContext,sharedCtxPtr,cfg,glesCtx,version,dpy->getManager(version)));
return dpy->addContext(ctx);