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    EGLBoolean MESA_drm_image;
  58
  59    EGLBoolean KHR_image_base;
  60    EGLBoolean KHR_image_pixmap;
  61    EGLBoolean KHR_vg_parent_image;
  62    EGLBoolean KHR_gl_texture_2D_image;
  63    EGLBoolean KHR_gl_texture_cubemap_image;
  64    EGLBoolean KHR_gl_texture_3D_image;
  65    EGLBoolean KHR_gl_renderbuffer_image;
  66
  67    EGLBoolean KHR_reusable_sync;
  68    EGLBoolean KHR_fence_sync;
  69
  70    EGLBoolean KHR_surfaceless_gles1;
  71    EGLBoolean KHR_surfaceless_gles2;
  72    EGLBoolean KHR_surfaceless_opengl;
  73
  74    EGLBoolean NOK_swap_region;
  75    EGLBoolean NOK_texture_from_pixmap;
  76
  77    char String[_EGL_MAX_EXTENSIONS_LEN];
  78 };
  79
  80
  81 struct _egl_display
  82 {
  83    /* used to link displays */
  84    _EGLDisplay *Next;
  85
  86    _EGLMutex Mutex;
  87
  88    _EGLPlatformType Platform;
  89    void *PlatformDisplay;
  90
  91    EGLBoolean Initialized; /**< True if the display is initialized */
  92    _EGLDriver *Driver;
  93    void *DriverData; /* private to driver */
  94
  95    int APImajor, APIminor; /**< as returned by eglInitialize() */
  96    char Version[1000];     /**< initialized from APImajor/minor, DriverName */
  97
  98    /** Bitmask of supported APIs (EGL_xx_BIT) set by the driver during init */
  99    EGLint ClientAPIsMask;
 100    char ClientAPIs[1000];   /**< updated by eglQueryString */
 101
 102    _EGLExtensions Extensions;
 103
 104    _EGLArray *Screens;
 105    _EGLArray *Configs;
 106
 107    /* lists of resources */
 108    _EGLResource *ResourceLists[_EGL_NUM_RESOURCES];
 109 };
 110
 111
 112 extern _EGLPlatformType
 113 _eglGetNativePlatform(void);
 114
 115
 116 extern void
 117 _eglFiniDisplay(void);
 118
 119
 120 extern _EGLDisplay *
 121 _eglFindDisplay(_EGLPlatformType plat, void *plat_dpy);
 122
 123
 124 PUBLIC void
 125 _eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *dpy);
 126
 127
 128 PUBLIC void
 129 _eglCleanupDisplay(_EGLDisplay *disp);
 130
 131
 132 extern EGLBoolean
 133 _eglCheckDisplayHandle(EGLDisplay dpy);
 134
 135
 136 PUBLIC EGLBoolean
 137 _eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy);
 138
 139
 140 /**
 141  * Lookup a handle to find the linked display.
 142  * Return NULL if the handle has no corresponding linked display.
 143  */
 144 static INLINE _EGLDisplay *
 145 _eglLookupDisplay(EGLDisplay display)
 146 {
 147    _EGLDisplay *dpy = (_EGLDisplay *) display;
 148    if (!_eglCheckDisplayHandle(display))
 149       dpy = NULL;
 150    return dpy;
 151 }
 152
 153
 154 /**
 155  * Return the handle of a linked display, or EGL_NO_DISPLAY.
 156  */
 157 static INLINE EGLDisplay
 158 _eglGetDisplayHandle(_EGLDisplay *dpy)
 159 {
 160    return (EGLDisplay) ((dpy) ? dpy : EGL_NO_DISPLAY);
 161 }
 162
 163
 164 extern void
 165 _eglLinkResource(_EGLResource *res, _EGLResourceType type, _EGLDisplay *dpy);
 166
 167
 168 extern void
 169 _eglUnlinkResource(_EGLResource *res, _EGLResourceType type);
 170
 171
 172 /**
 173  * Return true if the resource is linked.
 174  */
 175 static INLINE EGLBoolean
 176 _eglIsResourceLinked(_EGLResource *res)
 177 {
 178    return res->IsLinked;
 179 }
 180
 181
 182 #endif /* EGLDISPLAY_INCLUDED */