src/egl/main/eglapi.h

   1 #ifndef EGLAPI_INCLUDED
   2 #define EGLAPI_INCLUDED
   3
   4 /**
   5  * A generic function ptr type
   6  */
   7 typedef void (*_EGLProc)(void);
   8
   9
  10 /**
  11  * Typedefs for all EGL API entrypoint functions.
  12  */
  13
  14 /* driver funcs */
  15 typedef EGLBoolean (*Initialize_t)(_EGLDriver *, _EGLDisplay *dpy, EGLint *major, EGLint *minor);
  16 typedef EGLBoolean (*Terminate_t)(_EGLDriver *, _EGLDisplay *dpy);
  17
  18 /* config funcs */
  19 typedef EGLBoolean (*GetConfigs_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
  20 typedef EGLBoolean (*ChooseConfig_t)(_EGLDriver *drv, _EGLDisplay *dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
  21 typedef EGLBoolean (*GetConfigAttrib_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, EGLint attribute, EGLint *value);
  22
  23 /* context funcs */
  24 typedef _EGLContext *(*CreateContext_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, _EGLContext *share_list, const EGLint *attrib_list);
  25 typedef EGLBoolean (*DestroyContext_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx);
  26 /* this is the only function (other than Initialize) that may be called with an uninitialized display */
  27 typedef EGLBoolean (*MakeCurrent_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *draw, _EGLSurface *read, _EGLContext *ctx);
  28 typedef EGLBoolean (*QueryContext_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLint attribute, EGLint *value);
  29
  30 /* surface funcs */
  31 typedef _EGLSurface *(*CreateWindowSurface_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, EGLNativeWindowType window, const EGLint *attrib_list);
  32 typedef _EGLSurface *(*CreatePixmapSurface_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, EGLNativePixmapType pixmap, const EGLint *attrib_list);
  33 typedef _EGLSurface *(*CreatePbufferSurface_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, const EGLint *attrib_list);
  34 typedef EGLBoolean (*DestroySurface_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface);
  35 typedef EGLBoolean (*QuerySurface_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, EGLint attribute, EGLint *value);
  36 typedef EGLBoolean (*SurfaceAttrib_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, EGLint attribute, EGLint value);
  37 typedef EGLBoolean (*BindTexImage_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, EGLint buffer);
  38 typedef EGLBoolean (*ReleaseTexImage_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, EGLint buffer);
  39 typedef EGLBoolean (*SwapInterval_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint interval);
  40 typedef EGLBoolean (*SwapBuffers_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *draw);
  41 typedef EGLBoolean (*CopyBuffers_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, EGLNativePixmapType target);
  42
  43 /* misc funcs */
  44 typedef const char *(*QueryString_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLint name);
  45 typedef EGLBoolean (*WaitClient_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx);
  46 typedef EGLBoolean (*WaitNative_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine);
  47
  48 /* this function may be called from multiple threads at the same time */
  49 typedef _EGLProc (*GetProcAddress_t)(_EGLDriver *drv, const char *procname);
  50
  51
  52
  53 #ifdef EGL_MESA_screen_surface
  54 typedef EGLBoolean (*ChooseModeMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, const EGLint *attrib_list, EGLModeMESA *modes, EGLint modes_size, EGLint *num_modes);
  55 typedef EGLBoolean (*GetModesMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, EGLModeMESA *modes, EGLint mode_size, EGLint *num_mode);
  56 typedef EGLBoolean (*GetModeAttribMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLMode *mode, EGLint attribute, EGLint *value);
  57 typedef EGLBoolean (*CopyContextMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *source, _EGLContext *dest, EGLint mask);
  58 typedef EGLBoolean (*GetScreensMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
  59 typedef _EGLSurface *(*CreateScreenSurfaceMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, const EGLint *attrib_list);
  60 typedef EGLBoolean (*ShowScreenSurfaceMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, _EGLSurface *surface, _EGLMode *mode);
  61 typedef EGLBoolean (*ScreenPositionMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, EGLint x, EGLint y);
  62 typedef EGLBoolean (*QueryScreenMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, EGLint attribute, EGLint *value);
  63 typedef EGLBoolean (*QueryScreenSurfaceMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, _EGLSurface **surface);
  64 typedef EGLBoolean (*QueryScreenModeMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, _EGLMode **mode);
  65 typedef const char * (*QueryModeStringMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLMode *mode);
  66 #endif /* EGL_MESA_screen_surface */
  67
  68
  69 #ifdef EGL_VERSION_1_2
  70 typedef _EGLSurface *(*CreatePbufferFromClientBuffer_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLenum buftype, EGLClientBuffer buffer, _EGLConfig *config, const EGLint *attrib_list);
  71 #endif /* EGL_VERSION_1_2 */
  72
  73
  74 #ifdef EGL_KHR_image_base
  75 typedef _EGLImage *(*CreateImageKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list);
  76 typedef EGLBoolean (*DestroyImageKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *image);
  77 #endif /* EGL_KHR_image_base */
  78
  79 #ifdef EGL_NOK_swap_region
  80 typedef EGLBoolean (*SwapBuffersRegionNOK_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, EGLint numRects, const EGLint *rects);
  81 #endif
  82
  83 /**
  84  * The API dispatcher jumps through these functions
  85  */
  86 struct _egl_api
  87 {
  88    Initialize_t Initialize;
  89    Terminate_t Terminate;
  90
  91    GetConfigs_t GetConfigs;
  92    ChooseConfig_t ChooseConfig;
  93    GetConfigAttrib_t GetConfigAttrib;
  94
  95    CreateContext_t CreateContext;
  96    DestroyContext_t DestroyContext;
  97    MakeCurrent_t MakeCurrent;
  98    QueryContext_t QueryContext;
  99
 100    CreateWindowSurface_t CreateWindowSurface;
 101    CreatePixmapSurface_t CreatePixmapSurface;
 102    CreatePbufferSurface_t CreatePbufferSurface;
 103    DestroySurface_t DestroySurface;
 104    QuerySurface_t QuerySurface;
 105    SurfaceAttrib_t SurfaceAttrib;
 106    BindTexImage_t BindTexImage;
 107    ReleaseTexImage_t ReleaseTexImage;
 108    SwapInterval_t SwapInterval;
 109    SwapBuffers_t SwapBuffers;
 110    CopyBuffers_t CopyBuffers;
 111
 112    QueryString_t QueryString;
 113    WaitClient_t WaitClient;
 114    WaitNative_t WaitNative;
 115    GetProcAddress_t GetProcAddress;
 116
 117 #ifdef EGL_MESA_screen_surface
 118    ChooseModeMESA_t ChooseModeMESA;
 119    GetModesMESA_t GetModesMESA;
 120    GetModeAttribMESA_t GetModeAttribMESA;
 121    CopyContextMESA_t CopyContextMESA;
 122    GetScreensMESA_t GetScreensMESA;
 123    CreateScreenSurfaceMESA_t CreateScreenSurfaceMESA;
 124    ShowScreenSurfaceMESA_t ShowScreenSurfaceMESA;
 125    ScreenPositionMESA_t ScreenPositionMESA;
 126    QueryScreenMESA_t QueryScreenMESA;
 127    QueryScreenSurfaceMESA_t QueryScreenSurfaceMESA;
 128    QueryScreenModeMESA_t QueryScreenModeMESA;
 129    QueryModeStringMESA_t QueryModeStringMESA;
 130 #endif /* EGL_MESA_screen_surface */
 131
 132 #ifdef EGL_VERSION_1_2
 133    CreatePbufferFromClientBuffer_t CreatePbufferFromClientBuffer;
 134 #endif
 135
 136 #ifdef EGL_KHR_image_base
 137    CreateImageKHR_t CreateImageKHR;
 138    DestroyImageKHR_t DestroyImageKHR;
 139 #endif /* EGL_KHR_image_base */
 140
 141 #ifdef EGL_NOK_swap_region
 142    SwapBuffersRegionNOK_t SwapBuffersRegionNOK;
 143 #endif
 144 };
 145
 146 #endif /* EGLAPI_INCLUDED */