src/egl/main/egldisplay.h

   1 #ifndef EGLDISPLAY_INCLUDED
   2 #define EGLDISPLAY_INCLUDED
   3
   4
   5 #include "egltypedefs.h"
   6 #include "egldefines.h"
   7 #include "eglmutex.h"
   8 #include "eglarray.h"
   9
  10
  11 enum _egl_platform_type {
  12    _EGL_PLATFORM_WINDOWS,
  13    _EGL_PLATFORM_X11,
  14    _EGL_PLATFORM_DRM,
  15    _EGL_PLATFORM_FBDEV,
  16
  17    _EGL_NUM_PLATFORMS,
  18    _EGL_INVALID_PLATFORM = -1
  19 };
  20 typedef enum _egl_platform_type _EGLPlatformType;
  21
  22
  23 enum _egl_resource_type {
  24    _EGL_RESOURCE_CONTEXT,
  25    _EGL_RESOURCE_SURFACE,
  26    _EGL_RESOURCE_IMAGE,
  27    _EGL_RESOURCE_SYNC,
  28
  29    _EGL_NUM_RESOURCES
  30 };
  31 /* this cannot and need not go into egltypedefs.h */
  32 typedef enum _egl_resource_type _EGLResourceType;
  33
  34
  35 /**
  36  * A resource of a display.
  37  */
  38 struct _egl_resource
  39 {
  40    /* which display the resource belongs to */
  41    _EGLDisplay *Display;
  42    EGLBoolean IsLinked;
  43
  44    /* used to link resources of the same type */
  45    _EGLResource *Next;
  46 };
  47
  48
  49 /**
  50  * Optional EGL extensions info.
  51  */
  52 struct _egl_extensions
  53 {
  54    EGLBoolean MESA_screen_surface;
  55    EGLBoolean MESA_copy_context;
  56    EGLBoolean MESA_drm_display;
  57
  58    EGLBoolean KHR_image_base;
  59    EGLBoolean KHR_image_pixmap;
  60    EGLBoolean KHR_vg_parent_image;
  61    EGLBoolean KHR_gl_texture_2D_image;
  62    EGLBoolean KHR_gl_texture_cubemap_image;
  63    EGLBoolean KHR_gl_texture_3D_image;
  64    EGLBoolean KHR_gl_renderbuffer_image;
  65
  66    EGLBoolean KHR_reusable_sync;
  67
  68    EGLBoolean KHR_surfaceless_gles1;
  69    EGLBoolean KHR_surfaceless_gles2;
  70    EGLBoolean KHR_surfaceless_opengl;
  71
  72    EGLBoolean NOK_swap_region;
  73    EGLBoolean NOK_texture_from_pixmap;
  74
  75    char String[_EGL_MAX_EXTENSIONS_LEN];
  76 };
  77
  78
  79 struct _egl_display
  80 {
  81    /* used to link displays */
  82    _EGLDisplay *Next;
  83
  84    _EGLMutex Mutex;
  85
  86    _EGLPlatformType Platform;
  87    void *PlatformDisplay;
  88
  89    EGLBoolean Initialized; /**< True if the display is initialized */
  90    _EGLDriver *Driver;
  91    void *DriverData; /* private to driver */
  92
  93    int APImajor, APIminor; /**< as returned by eglInitialize() */
  94    char Version[1000];     /**< initialized from APImajor/minor, DriverName */
  95
  96    /** Bitmask of supported APIs (EGL_xx_BIT) set by the driver during init */
  97    EGLint ClientAPIsMask;
  98    char ClientAPIs[1000];   /**< updated by eglQueryString */
  99
 100    _EGLExtensions Extensions;
 101
 102    _EGLArray *Screens;
 103    _EGLArray *Configs;
 104
 105    /* lists of resources */
 106    _EGLResource *ResourceLists[_EGL_NUM_RESOURCES];
 107 };
 108
 109
 110 extern _EGLPlatformType
 111 _eglGetNativePlatform(void);
 112
 113
 114 extern void
 115 _eglFiniDisplay(void);
 116
 117
 118 extern _EGLDisplay *
 119 _eglFindDisplay(_EGLPlatformType plat, void *plat_dpy);
 120
 121
 122 PUBLIC void
 123 _eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy);
 124
 125
 126 PUBLIC void
 127 _eglCleanupDisplay(_EGLDisplay *disp);
 128
 129
 130 extern EGLBoolean
 131 _eglCheckDisplayHandle(EGLDisplay dpy);
 132
 133
 134 PUBLIC EGLBoolean
 135 _eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy);
 136
 137
 138 /**
 139  * Lookup a handle to find the linked display.
 140  * Return NULL if the handle has no corresponding linked display.
 141  */
 142 static INLINE _EGLDisplay *
 143 _eglLookupDisplay(EGLDisplay display)
 144 {
 145    _EGLDisplay *dpy = (_EGLDisplay *) display;
 146    if (!_eglCheckDisplayHandle(display))
 147       dpy = NULL;
 148    return dpy;
 149 }
 150
 151
 152 /**
 153  * Return the handle of a linked display, or EGL_NO_DISPLAY.
 154  */
 155 static INLINE EGLDisplay
 156 _eglGetDisplayHandle(_EGLDisplay *dpy)
 157 {
 158    return (EGLDisplay) ((dpy) ? dpy : EGL_NO_DISPLAY);
 159 }
 160
 161
 162 extern void
 163 _eglLinkResource(_EGLResource *res, _EGLResourceType type, _EGLDisplay *dpy);
 164
 165
 166 extern void
 167 _eglUnlinkResource(_EGLResource *res, _EGLResourceType type);
 168
 169
 170 /**
 171  * Return true if the resource is linked.
 172  */
 173 static INLINE EGLBoolean
 174 _eglIsResourceLinked(_EGLResource *res)
 175 {
 176    return res->IsLinked;
 177 }
 178
 179
 180 #endif /* EGLDISPLAY_INCLUDED */