src/egl/main/eglapi.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   4  * Copyright 2009-2010 Chia-I Wu <olvaffe@gmail.com>
   5  * Copyright 2010-2011 LunarG, Inc.
   6  * All Rights Reserved.
   7  *
   8  * Permission is hereby granted, free of charge, to any person obtaining a
   9  * copy of this software and associated documentation files (the
  10  * "Software"), to deal in the Software without restriction, including
  11  * without limitation the rights to use, copy, modify, merge, publish,
  12  * distribute, sub license, and/or sell copies of the Software, and to
  13  * permit persons to whom the Software is furnished to do so, subject to
  14  * the following conditions:
  15  *
  16  * The above copyright notice and this permission notice (including the
  17  * next paragraph) shall be included in all copies or substantial portions
  18  * of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  23  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  24  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  25  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  26  * DEALINGS IN THE SOFTWARE.
  27  *
  28  **************************************************************************/
  29
  30
  31 #ifndef EGLAPI_INCLUDED
  32 #define EGLAPI_INCLUDED
  33
  34 /**
  35  * A generic function ptr type
  36  */
  37 typedef void (*_EGLProc)(void);
  38
  39
  40 /**
  41  * Typedefs for all EGL API entrypoint functions.
  42  */
  43
  44 /* driver funcs */
  45 typedef EGLBoolean (*Initialize_t)(_EGLDriver *, _EGLDisplay *dpy);
  46 typedef EGLBoolean (*Terminate_t)(_EGLDriver *, _EGLDisplay *dpy);
  47
  48 /* config funcs */
  49 typedef EGLBoolean (*GetConfigs_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLConfig *configs, EGLint config_size, EGLint *num_config);
  50 typedef EGLBoolean (*ChooseConfig_t)(_EGLDriver *drv, _EGLDisplay *dpy, const EGLint *attrib_list, EGLConfig *configs, EGLint config_size, EGLint *num_config);
  51 typedef EGLBoolean (*GetConfigAttrib_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, EGLint attribute, EGLint *value);
  52
  53 /* context funcs */
  54 typedef _EGLContext *(*CreateContext_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, _EGLContext *share_list, const EGLint *attrib_list);
  55 typedef EGLBoolean (*DestroyContext_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx);
  56 /* this is the only function (other than Initialize) that may be called with an uninitialized display */
  57 typedef EGLBoolean (*MakeCurrent_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *draw, _EGLSurface *read, _EGLContext *ctx);
  58 typedef EGLBoolean (*QueryContext_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLint attribute, EGLint *value);
  59
  60 /* surface funcs */
  61 typedef _EGLSurface *(*CreateWindowSurface_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, EGLNativeWindowType window, const EGLint *attrib_list);
  62 typedef _EGLSurface *(*CreatePixmapSurface_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, EGLNativePixmapType pixmap, const EGLint *attrib_list);
  63 typedef _EGLSurface *(*CreatePbufferSurface_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, const EGLint *attrib_list);
  64 typedef EGLBoolean (*DestroySurface_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface);
  65 typedef EGLBoolean (*QuerySurface_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, EGLint attribute, EGLint *value);
  66 typedef EGLBoolean (*SurfaceAttrib_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, EGLint attribute, EGLint value);
  67 typedef EGLBoolean (*BindTexImage_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, EGLint buffer);
  68 typedef EGLBoolean (*ReleaseTexImage_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, EGLint buffer);
  69 typedef EGLBoolean (*SwapInterval_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, EGLint interval);
  70 typedef EGLBoolean (*SwapBuffers_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *draw);
  71 typedef EGLBoolean (*CopyBuffers_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, EGLNativePixmapType target);
  72
  73 /* misc funcs */
  74 typedef const char *(*QueryString_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLint name);
  75 typedef EGLBoolean (*WaitClient_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx);
  76 typedef EGLBoolean (*WaitNative_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine);
  77
  78 /* this function may be called from multiple threads at the same time */
  79 typedef _EGLProc (*GetProcAddress_t)(_EGLDriver *drv, const char *procname);
  80
  81
  82
  83 #ifdef EGL_MESA_screen_surface
  84 typedef EGLBoolean (*ChooseModeMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, const EGLint *attrib_list, EGLModeMESA *modes, EGLint modes_size, EGLint *num_modes);
  85 typedef EGLBoolean (*GetModesMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, EGLModeMESA *modes, EGLint mode_size, EGLint *num_mode);
  86 typedef EGLBoolean (*GetModeAttribMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLMode *mode, EGLint attribute, EGLint *value);
  87 typedef EGLBoolean (*CopyContextMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *source, _EGLContext *dest, EGLint mask);
  88 typedef EGLBoolean (*GetScreensMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLScreenMESA *screens, EGLint max_screens, EGLint *num_screens);
  89 typedef _EGLSurface *(*CreateScreenSurfaceMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *config, const EGLint *attrib_list);
  90 typedef EGLBoolean (*ShowScreenSurfaceMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, _EGLSurface *surface, _EGLMode *mode);
  91 typedef EGLBoolean (*ScreenPositionMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, EGLint x, EGLint y);
  92 typedef EGLBoolean (*QueryScreenMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, EGLint attribute, EGLint *value);
  93 typedef EGLBoolean (*QueryScreenSurfaceMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, _EGLSurface **surface);
  94 typedef EGLBoolean (*QueryScreenModeMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLScreen *screen, _EGLMode **mode);
  95 typedef const char * (*QueryModeStringMESA_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLMode *mode);
  96 #endif /* EGL_MESA_screen_surface */
  97
  98
  99 #ifdef EGL_VERSION_1_2
 100 typedef _EGLSurface *(*CreatePbufferFromClientBuffer_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLenum buftype, EGLClientBuffer buffer, _EGLConfig *config, const EGLint *attrib_list);
 101 #endif /* EGL_VERSION_1_2 */
 102
 103
 104 #ifdef EGL_KHR_image_base
 105 typedef _EGLImage *(*CreateImageKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list);
 106 typedef EGLBoolean (*DestroyImageKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *image);
 107 #endif /* EGL_KHR_image_base */
 108
 109
 110 #ifdef EGL_KHR_reusable_sync
 111 typedef _EGLSync *(*CreateSyncKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLenum type, const EGLint *attrib_list);
 112 typedef EGLBoolean (*DestroySyncKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync);
 113 typedef EGLint (*ClientWaitSyncKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync, EGLint flags, EGLTimeKHR timeout);
 114 typedef EGLBoolean (*SignalSyncKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync, EGLenum mode);
 115 typedef EGLBoolean (*GetSyncAttribKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync, EGLint attribute, EGLint *value);
 116 #endif /* EGL_KHR_reusable_sync */
 117
 118
 119 #ifdef EGL_NOK_swap_region
 120 typedef EGLBoolean (*SwapBuffersRegionNOK_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, EGLint numRects, const EGLint *rects);
 121 #endif
 122
 123 #ifdef EGL_MESA_drm_image
 124 typedef _EGLImage *(*CreateDRMImageMESA_t)(_EGLDriver *drv, _EGLDisplay *disp, const EGLint *attr_list);
 125 typedef EGLBoolean (*ExportDRMImageMESA_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img, EGLint *name, EGLint *handle, EGLint *stride);
 126 #endif
 127
 128 #ifdef EGL_WL_bind_wayland_display
 129 struct wl_display;
 130 typedef EGLBoolean (*BindWaylandDisplayWL_t)(_EGLDriver *drv, _EGLDisplay *disp, struct wl_display *display);
 131 typedef EGLBoolean (*UnbindWaylandDisplayWL_t)(_EGLDriver *drv, _EGLDisplay *disp, struct wl_display *display);
 132 #endif
 133
 134 /**
 135  * The API dispatcher jumps through these functions
 136  */
 137 struct _egl_api
 138 {
 139    Initialize_t Initialize;
 140    Terminate_t Terminate;
 141
 142    GetConfigs_t GetConfigs;
 143    ChooseConfig_t ChooseConfig;
 144    GetConfigAttrib_t GetConfigAttrib;
 145
 146    CreateContext_t CreateContext;
 147    DestroyContext_t DestroyContext;
 148    MakeCurrent_t MakeCurrent;
 149    QueryContext_t QueryContext;
 150
 151    CreateWindowSurface_t CreateWindowSurface;
 152    CreatePixmapSurface_t CreatePixmapSurface;
 153    CreatePbufferSurface_t CreatePbufferSurface;
 154    DestroySurface_t DestroySurface;
 155    QuerySurface_t QuerySurface;
 156    SurfaceAttrib_t SurfaceAttrib;
 157    BindTexImage_t BindTexImage;
 158    ReleaseTexImage_t ReleaseTexImage;
 159    SwapInterval_t SwapInterval;
 160    SwapBuffers_t SwapBuffers;
 161    CopyBuffers_t CopyBuffers;
 162
 163    QueryString_t QueryString;
 164    WaitClient_t WaitClient;
 165    WaitNative_t WaitNative;
 166    GetProcAddress_t GetProcAddress;
 167
 168 #ifdef EGL_MESA_screen_surface
 169    ChooseModeMESA_t ChooseModeMESA;
 170    GetModesMESA_t GetModesMESA;
 171    GetModeAttribMESA_t GetModeAttribMESA;
 172    CopyContextMESA_t CopyContextMESA;
 173    GetScreensMESA_t GetScreensMESA;
 174    CreateScreenSurfaceMESA_t CreateScreenSurfaceMESA;
 175    ShowScreenSurfaceMESA_t ShowScreenSurfaceMESA;
 176    ScreenPositionMESA_t ScreenPositionMESA;
 177    QueryScreenMESA_t QueryScreenMESA;
 178    QueryScreenSurfaceMESA_t QueryScreenSurfaceMESA;
 179    QueryScreenModeMESA_t QueryScreenModeMESA;
 180    QueryModeStringMESA_t QueryModeStringMESA;
 181 #endif /* EGL_MESA_screen_surface */
 182
 183 #ifdef EGL_VERSION_1_2
 184    CreatePbufferFromClientBuffer_t CreatePbufferFromClientBuffer;
 185 #endif
 186
 187 #ifdef EGL_KHR_image_base
 188    CreateImageKHR_t CreateImageKHR;
 189    DestroyImageKHR_t DestroyImageKHR;
 190 #endif /* EGL_KHR_image_base */
 191
 192 #ifdef EGL_KHR_reusable_sync
 193    CreateSyncKHR_t CreateSyncKHR;
 194    DestroySyncKHR_t DestroySyncKHR;
 195    ClientWaitSyncKHR_t ClientWaitSyncKHR;
 196    SignalSyncKHR_t SignalSyncKHR;
 197    GetSyncAttribKHR_t GetSyncAttribKHR;
 198 #endif /* EGL_KHR_reusable_sync */
 199
 200 #ifdef EGL_NOK_swap_region
 201    SwapBuffersRegionNOK_t SwapBuffersRegionNOK;
 202 #endif
 203
 204 #ifdef EGL_MESA_drm_image
 205    CreateDRMImageMESA_t CreateDRMImageMESA;
 206    ExportDRMImageMESA_t ExportDRMImageMESA;
 207 #endif
 208
 209 #ifdef EGL_WL_bind_wayland_display
 210    BindWaylandDisplayWL_t BindWaylandDisplayWL;
 211    UnbindWaylandDisplayWL_t UnbindWaylandDisplayWL;
 212 #endif
 213 };
 214
 215 #endif /* EGLAPI_INCLUDED */