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eglglessink: Fix crashes if there are no EGL or GLES extensions

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This commit is contained in:
Sebastian Dröge 2012-10-15 13:38:15 +02:00
parent a317f6936c
commit dde62cee8e
1 changed files with 5 additions and 5 deletions
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10
ext/eglgles/gsteglglessink.c
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@ -1244,8 +1244,8 @@ gst_eglglessink_init_egl_exts (GstEglGlesSink * eglglessink)
eglexts = eglQueryString (eglglessink->eglglesctx->display, EGL_EXTENSIONS); eglexts = eglQueryString (eglglessink->eglglesctx->display, EGL_EXTENSIONS);
glexts = glGetString (GL_EXTENSIONS); glexts = glGetString (GL_EXTENSIONS);
GST_DEBUG_OBJECT (eglglessink, "Available EGL extensions: %s\n", eglexts); GST_DEBUG_OBJECT (eglglessink, "Available EGL extensions: %s\n", GST_STR_NULL (eglexts));
GST_DEBUG_OBJECT (eglglessink, "Available GLES extensions: %s\n", glexts); GST_DEBUG_OBJECT (eglglessink, "Available GLES extensions: %s\n", GST_STR_NULL ((const char *) glexts));
#ifdef EGL_FAST_RENDERING_POSSIBLE #ifdef EGL_FAST_RENDERING_POSSIBLE
/* OK Fast rendering should be possible from the declared /* OK Fast rendering should be possible from the declared
@ -1254,11 +1254,11 @@ gst_eglglessink_init_egl_exts (GstEglGlesSink * eglglessink)
/* Check for support from claimed EGL/GLES extensions */ /* Check for support from claimed EGL/GLES extensions */
if (!strstr (eglexts, "EGL_KHR_image")) if (!eglexts || !strstr (eglexts, "EGL_KHR_image"))
goto KHR_IMAGE_NA; goto KHR_IMAGE_NA;
if (!strstr (eglexts, "EGL_KHR_lock_surface")) if (!eglexts || !strstr (eglexts, "EGL_KHR_lock_surface"))
goto SURFACE_LOCK_NA; goto SURFACE_LOCK_NA;
if (!strstr ((char *) glexts, "GL_OES_EGL_image")) if (!glexts || !strstr ((char *) glexts, "GL_OES_EGL_image"))
goto TEXTURE_2DOES_NA; goto TEXTURE_2DOES_NA;
/* Check for actual extension proc addresses */ /* Check for actual extension proc addresses */