hostsupport/hostegl/inc/EGLState.h
branchbug235_bringup_0
changeset 53 c2ef9095503a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hostsupport/hostegl/inc/EGLState.h	Wed Oct 06 17:59:01 2010 +0100
@@ -0,0 +1,119 @@
+/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and /or associated documentation files
+ * (the "Materials "), to deal in the Materials without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Materials,
+ * and to permit persons to whom the Materials are furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Materials.
+ *
+ * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR
+ * THE USE OR OTHER DEALINGS IN THE MATERIALS.
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:
+ *
+ */
+
+#ifndef _EGLSTATE_H_
+#define _EGLSTATE_H_
+
+#include <EGL/egl.h>
+#include "eglInternal.h"
+#include <vector>
+
+class CEGLDisplay;
+class CEGLProcess;
+class CEGLConfig;
+class CEGLSurface;
+struct SurfaceDescriptor;
+
+class CEGLState : public RefCountingObject, public IVGtoEGLInterface, public IGLEStoEGLInterface
+{
+public:
+	CEGLState(void);
+	~CEGLState(void);
+
+public:
+    bool Initialize();
+    EGLint SupportedApis() const { return m_supportedApis; }
+    inline bool IsInitialized() const { return m_initialized; }
+    CEGLDisplay* AddDisplay( EGLINativeDisplayType nativeType, EGLint processId );
+    void RemoveDisplay( EGLDisplay displayId );
+    CEGLDisplay* GetDisplayByNativeType( EGLINativeDisplayType nativeType, EGLint processId ) const;
+    CEGLDisplay* GetDisplay( EGLDisplay displayId ) const;
+	EGLINativeDisplayType DefaultDisplay() const { return m_defaultDisplay; }
+
+    CEGLProcess* AddProcess( EGLint processId, bool setCurrent);
+    void RemoveProcess( EGLint processId );
+    CEGLProcess* GetProcess( EGLint processId ) const ;
+    inline CEGLProcess* GetCurrentProcess() const { return m_currentProcess; }
+    void SetCurrentProcessThread( EGLint processId, EGLI_THREAD_ID threadId );
+
+    inline EGLint ConfigCount() const { return m_configs.size(); }
+    void FillConfigs( EGLConfig* configs, EGLint size ) const;
+    CEGLConfig* FindConfigById( EGLint id ) const;
+    EGLint MatchConfigs( CEGLConfig* filter, EGLConfig* configs, EGLint maxCount ) const;
+    CEGLConfig* GetConfig( EGLConfig config ) const;
+    
+    inline IEGLtoVGInterface* VGInterface() const { return m_VGInterface; }
+	IEGLtoGLESInterface* GLESInterface( EGLint clientVersion ) const;
+
+	bool SyncSurface( EGLenum api, EGLint apiVersion, CEGLSurface* surface, CEGLSurface* currentGLESReadSurface );
+
+public: // from IVGtoEGLInterface and IGLEStoEGLInterface
+	void GetDescForImage( void* image, SurfaceDescriptor& ImageDesc );
+    void* GetDataForImage( void* image );
+	void RegisterImageTarget( void* image, EImageTarget target, void* buffer );
+	void UnregisterImageTarget( void* image, EImageTarget target, void* buffer );
+	void UpdateImageSiblings( void* image, EImageTarget target, void* buffer );
+
+public: // from IVGtoEGLInterface
+    void* GetVGContext();
+    bool IsImageInUse( void* image );
+    bool LockVGSurface( bool read, bool write );
+    bool UnlockVGSurface();
+
+public: // from IGLEStoEGLInterface
+	void* GetGLESContext();
+	void* GetHostProcAddress(const char* proc);
+    bool LockGLESSurface( bool read, bool write );
+    bool UnlockGLESSurface();
+	void ReleaseTexImage(void* surface, int name, int level);
+
+private:
+    bool CreateConfigs();
+    bool LockSurface( EGLenum api, bool read, bool write );
+    bool UnlockSurface( EGLenum api );
+
+private:
+    bool                        m_initialized;
+    std::vector<CEGLDisplay*>   m_displays;
+    std::vector<CEGLProcess*>   m_processes;
+    std::vector<CEGLConfig*>    m_configs;
+    CEGLProcess*                m_currentProcess;
+    EGLILibraryHandle           m_VGLib;
+    IEGLtoVGInterface*          m_VGInterface;
+    EGLILibraryHandle           m_GLES1Lib;
+    IEGLtoGLESInterface*        m_GLES1Interface;
+    EGLILibraryHandle           m_GLES2Lib;
+    IEGLtoGLES2Interface*       m_GLES2Interface;
+	EGLILibraryHandle			m_hostGL;
+    EGLint                      m_supportedApis;
+	EGLINativeDisplayType       m_defaultDisplay;
+    EGLINativeWindowType        m_dummyWindow;
+};
+#endif //_EGLSTATE_H_