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  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. typedef _EGLSurface *(*CreatePbufferFromClientBuffer_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLenum buftype, EGLClientBuffer buffer, _EGLConfig *config, const EGLint *attrib_list);
  100.  
  101.  
  102. typedef _EGLImage *(*CreateImageKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attr_list);
  103. typedef EGLBoolean (*DestroyImageKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLImage *image);
  104.  
  105.  
  106. typedef _EGLSync *(*CreateSyncKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, EGLenum type, const EGLint *attrib_list);
  107. typedef EGLBoolean (*DestroySyncKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync);
  108. typedef EGLint (*ClientWaitSyncKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync, EGLint flags, EGLTimeKHR timeout);
  109. typedef EGLBoolean (*SignalSyncKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync, EGLenum mode);
  110. typedef EGLBoolean (*GetSyncAttribKHR_t)(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync, EGLint attribute, EGLint *value);
  111.  
  112.  
  113. #ifdef EGL_NOK_swap_region
  114. typedef EGLBoolean (*SwapBuffersRegionNOK_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf, EGLint numRects, const EGLint *rects);
  115. #endif
  116.  
  117. #ifdef EGL_MESA_drm_image
  118. typedef _EGLImage *(*CreateDRMImageMESA_t)(_EGLDriver *drv, _EGLDisplay *disp, const EGLint *attr_list);
  119. typedef EGLBoolean (*ExportDRMImageMESA_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLImage *img, EGLint *name, EGLint *handle, EGLint *stride);
  120. #endif
  121.  
  122. #ifdef EGL_WL_bind_wayland_display
  123. struct wl_display;
  124. typedef EGLBoolean (*BindWaylandDisplayWL_t)(_EGLDriver *drv, _EGLDisplay *disp, struct wl_display *display);
  125. typedef EGLBoolean (*UnbindWaylandDisplayWL_t)(_EGLDriver *drv, _EGLDisplay *disp, struct wl_display *display);
  126. typedef EGLBoolean (*QueryWaylandBufferWL_t)(_EGLDriver *drv, _EGLDisplay *displ, struct wl_buffer *buffer, EGLint attribute, EGLint *value);
  127. #endif
  128.  
  129. typedef EGLBoolean (*PostSubBufferNV_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surface, EGLint x, EGLint y, EGLint width, EGLint height);
  130.  
  131. typedef EGLint (*QueryBufferAge_t)(_EGLDriver *drv,
  132.                                    _EGLDisplay *dpy, _EGLSurface *surface);
  133.  
  134. #ifdef EGL_EXT_swap_buffers_with_damage
  135. typedef EGLBoolean (*SwapBuffersWithDamageEXT_t) (_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface, const EGLint *rects, EGLint n_rects);
  136. #endif
  137.  
  138. /**
  139.  * The API dispatcher jumps through these functions
  140.  */
  141. struct _egl_api
  142. {
  143.    Initialize_t Initialize;
  144.    Terminate_t Terminate;
  145.  
  146.    GetConfigs_t GetConfigs;
  147.    ChooseConfig_t ChooseConfig;
  148.    GetConfigAttrib_t GetConfigAttrib;
  149.  
  150.    CreateContext_t CreateContext;
  151.    DestroyContext_t DestroyContext;
  152.    MakeCurrent_t MakeCurrent;
  153.    QueryContext_t QueryContext;
  154.  
  155.    CreateWindowSurface_t CreateWindowSurface;
  156.    CreatePixmapSurface_t CreatePixmapSurface;
  157.    CreatePbufferSurface_t CreatePbufferSurface;
  158.    DestroySurface_t DestroySurface;
  159.    QuerySurface_t QuerySurface;
  160.    SurfaceAttrib_t SurfaceAttrib;
  161.    BindTexImage_t BindTexImage;
  162.    ReleaseTexImage_t ReleaseTexImage;
  163.    SwapInterval_t SwapInterval;
  164.    SwapBuffers_t SwapBuffers;
  165.    CopyBuffers_t CopyBuffers;
  166.  
  167.    QueryString_t QueryString;
  168.    WaitClient_t WaitClient;
  169.    WaitNative_t WaitNative;
  170.    GetProcAddress_t GetProcAddress;
  171.  
  172. #ifdef EGL_MESA_screen_surface
  173.    ChooseModeMESA_t ChooseModeMESA;
  174.    GetModesMESA_t GetModesMESA;
  175.    GetModeAttribMESA_t GetModeAttribMESA;
  176.    CopyContextMESA_t CopyContextMESA;
  177.    GetScreensMESA_t GetScreensMESA;
  178.    CreateScreenSurfaceMESA_t CreateScreenSurfaceMESA;
  179.    ShowScreenSurfaceMESA_t ShowScreenSurfaceMESA;
  180.    ScreenPositionMESA_t ScreenPositionMESA;
  181.    QueryScreenMESA_t QueryScreenMESA;
  182.    QueryScreenSurfaceMESA_t QueryScreenSurfaceMESA;
  183.    QueryScreenModeMESA_t QueryScreenModeMESA;
  184.    QueryModeStringMESA_t QueryModeStringMESA;
  185. #endif /* EGL_MESA_screen_surface */
  186.  
  187.    CreatePbufferFromClientBuffer_t CreatePbufferFromClientBuffer;
  188.  
  189.    CreateImageKHR_t CreateImageKHR;
  190.    DestroyImageKHR_t DestroyImageKHR;
  191.  
  192.    CreateSyncKHR_t CreateSyncKHR;
  193.    DestroySyncKHR_t DestroySyncKHR;
  194.    ClientWaitSyncKHR_t ClientWaitSyncKHR;
  195.    SignalSyncKHR_t SignalSyncKHR;
  196.    GetSyncAttribKHR_t GetSyncAttribKHR;
  197.  
  198. #ifdef EGL_NOK_swap_region
  199.    SwapBuffersRegionNOK_t SwapBuffersRegionNOK;
  200. #endif
  201.  
  202. #ifdef EGL_MESA_drm_image
  203.    CreateDRMImageMESA_t CreateDRMImageMESA;
  204.    ExportDRMImageMESA_t ExportDRMImageMESA;
  205. #endif
  206.  
  207. #ifdef EGL_WL_bind_wayland_display
  208.    BindWaylandDisplayWL_t BindWaylandDisplayWL;
  209.    UnbindWaylandDisplayWL_t UnbindWaylandDisplayWL;
  210.    QueryWaylandBufferWL_t QueryWaylandBufferWL;
  211. #endif
  212.  
  213. #ifdef EGL_EXT_swap_buffers_with_damage
  214.    SwapBuffersWithDamageEXT_t SwapBuffersWithDamageEXT;
  215. #endif /* EGL_EXT_swap_buffers_with_damage */
  216.  
  217.    PostSubBufferNV_t PostSubBufferNV;
  218.  
  219.    QueryBufferAge_t QueryBufferAge;
  220. };
  221.  
  222. #endif /* EGLAPI_INCLUDED */
  223.