ui/egl-context.c

   1 #include "qemu/osdep.h"
   2 #include "qemu/error-report.h"
   3 #include "ui/egl-context.h"
   4
   5 QEMUGLContext qemu_egl_create_context(DisplayGLCtx *dgc,
   6                                       QEMUGLParams *params)
   7 {
   8    EGLContext ctx;
   9    EGLint ctx_att_core[] = {
  10        EGL_CONTEXT_OPENGL_PROFILE_MASK, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
  11        EGL_CONTEXT_CLIENT_VERSION, params->major_ver,
  12        EGL_CONTEXT_MINOR_VERSION_KHR, params->minor_ver,
  13        EGL_NONE
  14    };
  15    EGLint ctx_att_gles[] = {
  16        EGL_CONTEXT_CLIENT_VERSION, params->major_ver,
  17        EGL_CONTEXT_MINOR_VERSION_KHR, params->minor_ver,
  18        EGL_NONE
  19    };
  20    bool gles = (qemu_egl_mode == DISPLAYGL_MODE_ES);
  21
  22    ctx = eglCreateContext(qemu_egl_display, qemu_egl_config,
  23                           eglGetCurrentContext(),
  24                           gles ? ctx_att_gles : ctx_att_core);
  25    return ctx;
  26 }
  27
  28 void qemu_egl_destroy_context(DisplayGLCtx *dgc, QEMUGLContext ctx)
  29 {
  30     eglDestroyContext(qemu_egl_display, ctx);
  31 }
  32
  33 int qemu_egl_make_context_current(DisplayGLCtx *dgc,
  34                                   QEMUGLContext ctx)
  35 {
  36    if (!eglMakeCurrent(qemu_egl_display,
  37                        EGL_NO_SURFACE, EGL_NO_SURFACE, ctx)) {
  38         error_report("egl: eglMakeCurrent failed: %s", qemu_egl_get_error_string());
  39         return -1;
  40    }
  41
  42    return 0;
  43 }