cogl/winsys/cogl-winsys-egl-private.h

   1 /*
   2  * Cogl
   3  *
   4  * An object oriented GL/GLES Abstraction/Utility Layer
   5  *
   6  * Copyright (C) 2011 Intel Corporation.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  *
  22  */
  23
  24 #ifndef __COGL_WINSYS_EGL_PRIVATE_H
  25 #define __COGL_WINSYS_EGL_PRIVATE_H
  26
  27 #include "cogl-defines.h"
  28 #include "cogl-winsys-private.h"
  29 #include "cogl-context.h"
  30 #include "cogl-context-private.h"
  31 #include "cogl-framebuffer-private.h"
  32
  33 typedef struct _CoglWinsysEGLVtable
  34 {
  35   gboolean
  36   (* display_setup) (CoglDisplay *display,
  37                      GError **error);
  38   void
  39   (* display_destroy) (CoglDisplay *display);
  40
  41   gboolean
  42   (* try_create_context) (CoglDisplay *display,
  43                           EGLint *attribs,
  44                           GError **error);
  45
  46   gboolean
  47   (* context_created) (CoglDisplay *display,
  48                        GError **error);
  49
  50   void
  51   (* cleanup_context) (CoglDisplay *display);
  52
  53   gboolean
  54   (* context_init) (CoglContext *context, GError **error);
  55
  56   void
  57   (* context_deinit) (CoglContext *context);
  58
  59   gboolean
  60   (* onscreen_init) (CoglOnscreen *onscreen,
  61                      EGLConfig config,
  62                      GError **error);
  63   void
  64   (* onscreen_deinit) (CoglOnscreen *onscreen);
  65
  66   int
  67   (* add_config_attributes) (CoglDisplay *display,
  68                              CoglFramebufferConfig *config,
  69                              EGLint *attributes);
  70 } CoglWinsysEGLVtable;
  71
  72 typedef enum _CoglEGLWinsysFeature
  73 {
  74   COGL_EGL_WINSYS_FEATURE_SWAP_REGION                   =1L<<0,
  75   COGL_EGL_WINSYS_FEATURE_EGL_IMAGE_FROM_X11_PIXMAP     =1L<<1,
  76   COGL_EGL_WINSYS_FEATURE_EGL_IMAGE_FROM_WAYLAND_BUFFER =1L<<2,
  77   COGL_EGL_WINSYS_FEATURE_SURFACELESS_OPENGL            =1L<<3,
  78   COGL_EGL_WINSYS_FEATURE_SURFACELESS_GLES1             =1L<<4,
  79   COGL_EGL_WINSYS_FEATURE_SURFACELESS_GLES2             =1L<<5
  80 } CoglEGLWinsysFeature;
  81
  82 typedef struct _CoglRendererEGL
  83 {
  84   CoglEGLWinsysFeature private_features;
  85
  86   EGLDisplay edpy;
  87
  88   EGLint egl_version_major;
  89   EGLint egl_version_minor;
  90
  91   /* Data specific to the EGL platform */
  92   void *platform;
  93   /* vtable for platform specific parts */
  94   const CoglWinsysEGLVtable *platform_vtable;
  95
  96   /* Function pointers for EGL specific extensions */
  97 #define COGL_WINSYS_FEATURE_BEGIN(a, b, c, d)
  98
  99 #define COGL_WINSYS_FEATURE_FUNCTION(ret, name, args) \
 100   ret (APIENTRY * pf_ ## name) args;
 101
 102 #define COGL_WINSYS_FEATURE_END()
 103
 104 #include "cogl-winsys-egl-feature-functions.h"
 105
 106 #undef COGL_WINSYS_FEATURE_BEGIN
 107 #undef COGL_WINSYS_FEATURE_FUNCTION
 108 #undef COGL_WINSYS_FEATURE_END
 109 } CoglRendererEGL;
 110
 111 typedef struct _CoglDisplayEGL
 112 {
 113   EGLContext egl_context;
 114   EGLSurface dummy_surface;
 115   EGLSurface egl_surface;
 116
 117   EGLConfig egl_config;
 118   gboolean found_egl_config;
 119   gboolean stencil_disabled;
 120
 121   /* Platform specific display data */
 122   void *platform;
 123 } CoglDisplayEGL;
 124
 125 typedef struct _CoglContextEGL
 126 {
 127   EGLSurface current_surface;
 128 } CoglContextEGL;
 129
 130 typedef struct _CoglOnscreenEGL
 131 {
 132   EGLSurface egl_surface;
 133
 134   /* Platform specific data */
 135   void *platform;
 136 } CoglOnscreenEGL;
 137
 138 const CoglWinsysVtable *
 139 _cogl_winsys_egl_get_vtable (void);
 140
 141 #ifdef EGL_KHR_image_base
 142 EGLImageKHR
 143 _cogl_egl_create_image (CoglContext *ctx,
 144                         EGLenum target,
 145                         EGLClientBuffer buffer,
 146                         const EGLint *attribs);
 147
 148 void
 149 _cogl_egl_destroy_image (CoglContext *ctx,
 150                          EGLImageKHR image);
 151 #endif
 152
 153 gboolean
 154 _cogl_winsys_egl_renderer_connect_common (CoglRenderer *renderer,
 155                                           GError **error);
 156
 157 #endif /* __COGL_WINSYS_EGL_PRIVATE_H */