diff options
Diffstat (limited to 'opengl/libs/EGL')
-rw-r--r-- | opengl/libs/EGL/egl.cpp | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/opengl/libs/EGL/egl.cpp b/opengl/libs/EGL/egl.cpp index 687c8bc..0b4bcce 100644 --- a/opengl/libs/EGL/egl.cpp +++ b/opengl/libs/EGL/egl.cpp @@ -725,9 +725,8 @@ EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, egl_display_t const * const dp = get_display(dpy); if (!dp) return setError(EGL_BAD_DISPLAY, EGL_FALSE); - if (configs == 0) { - *num_config = 0; - return EGL_TRUE; + if (num_config==0) { + return setError(EGL_BAD_PARAMETER, EGL_FALSE); } EGLint n; @@ -784,7 +783,9 @@ EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, if (res && n>0) { // n has to be 0 or 1, by construction, and we already know // which config it will return (since there can be only one). - configs[0] = MAKE_CONFIG(i, index); + if (configs) { + configs[0] = MAKE_CONFIG(i, index); + } *num_config = 1; } } @@ -798,19 +799,23 @@ EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list, if (cnx->dso) { if (cnx->hooks->egl.eglChooseConfig( dp->dpys[i], attrib_list, configs, config_size, &n)) { - // now we need to convert these client EGLConfig to our - // internal EGLConfig format. This is done in O(n log n). - for (int j=0 ; j<n ; j++) { - int index = binarySearch<EGLConfig>( - dp->configs[i], 0, dp->numConfigs[i]-1, configs[j]); - if (index >= 0) { - configs[j] = MAKE_CONFIG(i, index); - } else { - return setError(EGL_BAD_CONFIG, EGL_FALSE); + if (configs) { + // now we need to convert these client EGLConfig to our + // internal EGLConfig format. This is done in O(n log n). + for (int j=0 ; j<n ; j++) { + int index = binarySearch<EGLConfig>( + dp->configs[i], 0, dp->numConfigs[i]-1, configs[j]); + if (index >= 0) { + if (configs) { + configs[j] = MAKE_CONFIG(i, index); + } + } else { + return setError(EGL_BAD_CONFIG, EGL_FALSE); + } } + configs += n; + config_size -= n; } - configs += n; - config_size -= n; *num_config += n; res = EGL_TRUE; } |