ui/egl-context.c

   1 #include "qemu/osdep.h"
   2 #include "ui/egl-context.h"
   3
   4 QEMUGLContext qemu_egl_create_context(DisplayChangeListener *dcl,
   5                                       QEMUGLParams *params)
   6 {
   7    EGLContext ctx;
   8    EGLint ctx_att_core[] = {
   9        EGL_CONTEXT_OPENGL_PROFILE_MASK, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
  10        EGL_CONTEXT_CLIENT_VERSION, params->major_ver,
  11        EGL_CONTEXT_MINOR_VERSION_KHR, params->minor_ver,
  12        EGL_NONE
  13    };
  14    EGLint ctx_att_gles[] = {
  15        EGL_CONTEXT_CLIENT_VERSION, params->major_ver,
  16        EGL_CONTEXT_MINOR_VERSION_KHR, params->minor_ver,
  17        EGL_NONE
  18    };
  19    bool gles = (qemu_egl_mode == DISPLAYGL_MODE_ES);
  20
  21    ctx = eglCreateContext(qemu_egl_display, qemu_egl_config,
  22                           eglGetCurrentContext(),
  23                           gles ? ctx_att_gles : ctx_att_core);
  24    return ctx;
  25 }
  26
  27 void qemu_egl_destroy_context(DisplayChangeListener *dcl, QEMUGLContext ctx)
  28 {
  29     eglDestroyContext(qemu_egl_display, ctx);
  30 }
  31
  32 int qemu_egl_make_context_current(DisplayChangeListener *dcl,
  33                                   QEMUGLContext ctx)
  34 {
  35    return eglMakeCurrent(qemu_egl_display,
  36                          EGL_NO_SURFACE, EGL_NO_SURFACE, ctx);
  37 }
  38
  39 QEMUGLContext qemu_egl_get_current_context(DisplayChangeListener *dcl)
  40 {
  41     return eglGetCurrentContext();
  42 }