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      1 #ifndef _EGLUNATIVEDISPLAY_HPP
      2 #define _EGLUNATIVEDISPLAY_HPP
      3 /*-------------------------------------------------------------------------
      4  * drawElements Quality Program Tester Core
      5  * ----------------------------------------
      6  *
      7  * Copyright 2014 The Android Open Source Project
      8  *
      9  * Licensed under the Apache License, Version 2.0 (the "License");
     10  * you may not use this file except in compliance with the License.
     11  * You may obtain a copy of the License at
     12  *
     13  *      http://www.apache.org/licenses/LICENSE-2.0
     14  *
     15  * Unless required by applicable law or agreed to in writing, software
     16  * distributed under the License is distributed on an "AS IS" BASIS,
     17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     18  * See the License for the specific language governing permissions and
     19  * limitations under the License.
     20  *
     21  *//*!
     22  * \file
     23  * \brief EGL native display abstraction
     24  *//*--------------------------------------------------------------------*/
     25 
     26 #include "tcuDefs.hpp"
     27 #include "tcuFactoryRegistry.hpp"
     28 #include "egluNativeWindow.hpp"
     29 #include "egluNativePixmap.hpp"
     30 #include "eglwDefs.hpp"
     31 
     32 #include <string>
     33 
     34 namespace eglw
     35 {
     36 class Library;
     37 }
     38 
     39 namespace eglu
     40 {
     41 
     42 class NativeDisplay
     43 {
     44 public:
     45 	enum Capability
     46 	{
     47 		CAPABILITY_GET_DISPLAY_LEGACY	= (1<<0),	//!< Query EGL display using eglGetDisplay()
     48 		CAPABILITY_GET_DISPLAY_PLATFORM	= (1<<1)	//!< Query EGL display using eglGetPlatformDisplay()
     49 	};
     50 
     51 	virtual								~NativeDisplay				(void);
     52 
     53 	virtual const eglw::Library&		getLibrary					(void) const = 0;
     54 
     55 	Capability							getCapabilities				(void) const { return m_capabilities; }
     56 	eglw::EGLenum						getPlatformType				(void) const { return m_platformType; }
     57 	const char*							getPlatformExtensionName	(void) const { return (m_platformExtension.empty() ? DE_NULL : m_platformExtension.c_str()); }
     58 
     59 	//! Get EGLNativeDisplayType that can be used with eglGetDisplay(). Default implementation throws tcu::NotSupportedError().
     60 	virtual eglw::EGLNativeDisplayType	getLegacyNative				(void);
     61 
     62 	//! Return display pointer that can be used with eglGetPlatformDisplay(). Default implementations throw tcu::NotSupportedError()
     63 	virtual void*						getPlatformNative			(void);
     64 
     65 	//! Attributes to pass to eglGetPlatformDisplay(EXT)
     66 	virtual const eglw::EGLAttrib*		getPlatformAttributes		(void) const;
     67 
     68 protected:
     69 										NativeDisplay				(Capability capabilities, eglw::EGLenum platformType, const char* platformExtension);
     70 										NativeDisplay				(Capability capabilities);
     71 
     72 private:
     73 										NativeDisplay				(const NativeDisplay&);
     74 	NativeDisplay&						operator=					(const NativeDisplay&);
     75 
     76 	const Capability					m_capabilities;
     77 	const eglw::EGLenum					m_platformType;				//!< EGL platform type, or EGL_NONE if not supported.
     78 	const std::string					m_platformExtension;
     79 };
     80 
     81 class NativeDisplayFactory : public tcu::FactoryBase
     82 {
     83 public:
     84 	virtual								~NativeDisplayFactory		(void);
     85 
     86 	virtual NativeDisplay*				createDisplay				(const eglw::EGLAttrib* attribList = DE_NULL) const = 0;
     87 
     88 	NativeDisplay::Capability			getCapabilities				(void) const { return m_capabilities; }
     89 	eglw::EGLenum						getPlatformType				(void) const { return m_platformType; }
     90 	const char*							getPlatformExtensionName	(void) const { return (m_platformExtension.empty() ? DE_NULL : m_platformExtension.c_str()); }
     91 
     92 	const NativeWindowFactoryRegistry&	getNativeWindowRegistry		(void) const { return m_nativeWindowRegistry; }
     93 	const NativePixmapFactoryRegistry&	getNativePixmapRegistry		(void) const { return m_nativePixmapRegistry; }
     94 
     95 protected:
     96 										NativeDisplayFactory		(const std::string& name, const std::string& description, NativeDisplay::Capability capabilities);
     97 										NativeDisplayFactory		(const std::string& name, const std::string& description, NativeDisplay::Capability capabilities, eglw::EGLenum platformType, const char* platformExtension);
     98 
     99 	NativeWindowFactoryRegistry			m_nativeWindowRegistry;
    100 	NativePixmapFactoryRegistry			m_nativePixmapRegistry;
    101 
    102 private:
    103 										NativeDisplayFactory		(const NativeDisplayFactory&);
    104 	NativeDisplayFactory&				operator=					(const NativeDisplayFactory&);
    105 
    106 	const NativeDisplay::Capability		m_capabilities;
    107 	const eglw::EGLenum					m_platformType;
    108 	const std::string					m_platformExtension;
    109 };
    110 
    111 typedef tcu::FactoryRegistry<NativeDisplayFactory> NativeDisplayFactoryRegistry;
    112 
    113 } // eglu
    114 
    115 #endif // _EGLUNATIVEDISPLAY_HPP
    116