src/waffle/egl/wegl_platform.h

   1 // Copyright 2014 Emil Velikov
   2 //
   3 // All rights reserved.
   4 //
   5 // Redistribution and use in source and binary forms, with or without
   6 // modification, are permitted provided that the following conditions are met:
   7 //
   8 // - Redistributions of source code must retain the above copyright notice, this
   9 //   list of conditions and the following disclaimer.
  10 //
  11 // - Redistributions in binary form must reproduce the above copyright notice,
  12 //   this list of conditions and the following disclaimer in the documentation
  13 //   and/or other materials provided with the distribution.
  14 //
  15 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  16 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  18 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  19 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  21 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  22 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  23 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25
  26 #pragma once
  27
  28 #include <EGL/egl.h>
  29
  30 #include "wcore_platform.h"
  31 #include "wcore_util.h"
  32
  33 struct wegl_platform {
  34     struct wcore_platform wcore;
  35
  36     // EGL function pointers
  37     void *eglHandle;
  38
  39     EGLBoolean (*eglMakeCurrent)(EGLDisplay dpy, EGLSurface draw,
  40                                  EGLSurface read, EGLContext ctx);
  41     __eglMustCastToProperFunctionPointerType
  42        (*eglGetProcAddress)(const char *procname);
  43
  44     // display
  45     EGLDisplay (*eglGetDisplay)(EGLNativeDisplayType display_id);
  46     EGLBoolean (*eglInitialize)(EGLDisplay dpy, EGLint *major, EGLint *minor);
  47     const char * (*eglQueryString)(EGLDisplay dpy, EGLint name);
  48     EGLint (*eglGetError)(void);
  49     EGLBoolean (*eglTerminate)(EGLDisplay dpy);
  50
  51     // config
  52     EGLBoolean (*eglChooseConfig)(EGLDisplay dpy, const EGLint *attrib_list,
  53                                   EGLConfig *configs, EGLint config_size,
  54                                   EGLint *num_config);
  55
  56     // context
  57     EGLBoolean (*eglBindAPI)(EGLenum api);
  58     EGLContext (*eglCreateContext)(EGLDisplay dpy, EGLConfig config,
  59                                    EGLContext share_context,
  60                                    const EGLint *attrib_list);
  61     EGLBoolean (*eglDestroyContext)(EGLDisplay dpy, EGLContext ctx);
  62
  63     // window
  64     EGLBoolean (*eglGetConfigAttrib)(EGLDisplay dpy, EGLConfig config,
  65                                      EGLint attribute, EGLint *value);
  66     EGLSurface (*eglCreateWindowSurface)(EGLDisplay dpy, EGLConfig config,
  67                                          EGLNativeWindowType win,
  68                                          const EGLint *attrib_list);
  69     EGLBoolean (*eglDestroySurface)(EGLDisplay dpy, EGLSurface surface);
  70     EGLBoolean (*eglSwapBuffers)(EGLDisplay dpy, EGLSurface surface);
  71 };
  72
  73 DEFINE_CONTAINER_CAST_FUNC(wegl_platform,
  74                            struct wegl_platform,
  75                            struct wcore_platform,
  76                            wcore)
  77
  78 bool
  79 wegl_platform_teardown(struct wegl_platform *self);
  80
  81 bool
  82 wegl_platform_init(struct wegl_platform *self);