framework/egl/egluNativePixmap.hpp

   1 #ifndef _EGLUNATIVEPIXMAP_HPP
   2 #define _EGLUNATIVEPIXMAP_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 pixmap abstraction
  24  *//*--------------------------------------------------------------------*/
  25
  26 #include "tcuDefs.hpp"
  27 #include "tcuFactoryRegistry.hpp"
  28 #include "eglwDefs.hpp"
  29 #include "tcuVector.hpp"
  30
  31 namespace tcu
  32 {
  33 class TextureLevel;
  34 }
  35
  36 namespace eglu
  37 {
  38
  39 class NativeDisplay;
  40
  41 class NativePixmap
  42 {
  43 public:
  44         enum Capability
  45         {
  46                 CAPABILITY_CREATE_SURFACE_LEGACY        = (1<<0),       //!< EGL surface can be created with eglCreatePixmapSurface()
  47                 CAPABILITY_CREATE_SURFACE_PLATFORM      = (1<<1),       //!< EGL surface can be created with eglCreatePlatformPixmapSurface()
  48                 CAPABILITY_READ_PIXELS                          = (1<<2)
  49         };
  50
  51         virtual                                                         ~NativePixmap                   (void) {}
  52
  53         //! Return EGLNativePixmapType that can be used with eglCreatePixmapSurface(). Default implementation throws tcu::NotSupportedError().
  54         virtual eglw::EGLNativePixmapType       getLegacyNative                 (void);
  55
  56         //! Return native pointer that can be used with eglCreatePlatformPixmapSurfaceEXT(). Default implementation throws tcu::NotSupportedError().
  57         virtual void*                                           getPlatformNative               (void);
  58
  59         // Read pixels from pixmap. Default implementation throws tcu::NotSupportedError()
  60         virtual void                                            readPixels                              (tcu::TextureLevel* dst);
  61
  62         // These values are initialized in constructor.
  63         Capability                                                      getCapabilities                 (void) const { return m_capabilities; }
  64
  65 protected:
  66                                                                                 NativePixmap                    (Capability capabilities);
  67
  68 private:
  69                                                                                 NativePixmap                    (const NativePixmap&);
  70         NativePixmap&                                           operator=                               (const NativePixmap&);
  71
  72         const Capability                                        m_capabilities;
  73 };
  74
  75 class NativePixmapFactory : public tcu::FactoryBase
  76 {
  77 public:
  78         virtual                                                         ~NativePixmapFactory    (void);
  79
  80         //! Create generic pixmap.
  81         virtual NativePixmap*                           createPixmap                    (NativeDisplay* nativeDisplay, int width, int height) const = 0;
  82
  83         //! Create pixmap that matches given EGL config. Defaults to generic createPixmap().
  84         virtual NativePixmap*                           createPixmap                    (NativeDisplay* nativeDisplay, eglw::EGLDisplay display, eglw::EGLConfig config, const eglw::EGLAttrib* attribList, int width, int height) const;
  85
  86         NativePixmap::Capability                        getCapabilities                 (void) const { return m_capabilities; }
  87
  88 protected:
  89                                                                                 NativePixmapFactory             (const std::string& name, const std::string& description, NativePixmap::Capability capabilities);
  90
  91 private:
  92                                                                                 NativePixmapFactory             (const NativePixmapFactory&);
  93         NativePixmapFactory&                            operator=                               (const NativePixmapFactory&);
  94
  95         const NativePixmap::Capability          m_capabilities;
  96 };
  97
  98 typedef tcu::FactoryRegistry<NativePixmapFactory> NativePixmapFactoryRegistry;
  99
 100 } // eglu
 101
 102 #endif // _EGLUNATIVEPIXMAP_HPP