diff options
Diffstat (limited to 'opengl/libagl')
| -rw-r--r-- | opengl/libagl/egl.cpp | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/opengl/libagl/egl.cpp b/opengl/libagl/egl.cpp index 5b90bf0..3b4c041 100644 --- a/opengl/libagl/egl.cpp +++ b/opengl/libagl/egl.cpp @@ -1055,8 +1055,12 @@ EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, { if (egl_display_t::is_valid(dpy) == EGL_FALSE) return setError(EGL_BAD_DISPLAY, EGL_FALSE); + + if (ggl_unlikely(num_config==0)) { + return setError(EGL_BAD_PARAMETER, EGL_FALSE); + } - if (ggl_unlikely(configs==0 || attrib_list==0)) { + if (ggl_unlikely(attrib_list==0)) { *num_config = 0; return EGL_TRUE; } @@ -1102,11 +1106,19 @@ EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, // return the configurations found int n=0; if (possibleMatch) { - for (int i=0 ; config_size && i<numConfigs ; i++) { - if (possibleMatch & (1<<i)) { - *configs++ = (EGLConfig)i; - config_size--; - n++; + if (configs) { + for (int i=0 ; config_size && i<numConfigs ; i++) { + if (possibleMatch & (1<<i)) { + *configs++ = (EGLConfig)i; + config_size--; + n++; + } + } + } else { + for (int i=0 ; i<numConfigs ; i++) { + if (possibleMatch & (1<<i)) { + n++; + } } } } |