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glshader: properly unref the stages on failure

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When failing in the varargs functions, all the stage objects not handled need to
be unreffed to prevent a leak.
This commit is contained in:
Matthew Waters 2015-11-11 12:23:30 +11:00 committed by Tim-Philipp Müller
parent 1f35fcf06d
commit 117fc0409a
2 changed files with 18 additions and 4 deletions
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20
gst-libs/gst/gl/gstglshader.c
View file

@ -197,6 +197,7 @@ _new_with_stages_va_list (GstGLContext * context, GError ** error,
{
GstGLShader *shader;
GstGLSLStage *stage;
gboolean to_unref_and_out = FALSE;
g_return_val_if_fail (GST_IS_GL_CONTEXT (context), NULL);
@ -204,18 +205,29 @@ _new_with_stages_va_list (GstGLContext * context, GError ** error,
shader->context = gst_object_ref (context);
while ((stage = va_arg (varargs, GstGLSLStage *))) {
if (to_unref_and_out) {
gst_object_unref (stage);
continue;
}
if (!gst_glsl_stage_compile (stage, error)) {
gst_object_unref (shader);
return NULL;
gst_object_unref (stage);
to_unref_and_out = TRUE;
continue;
}
if (!gst_gl_shader_attach (shader, stage)) {
g_set_error (error, GST_GLSL_ERROR, GST_GLSL_ERROR_PROGRAM,
"Failed to attach stage to program");
gst_object_unref (shader);
return NULL;
to_unref_and_out = TRUE;
continue;
}
}
if (to_unref_and_out) {
gst_object_unref (shader);
return NULL;
}
return shader;
}

2
gst-libs/gst/gl/gstglutils.c
View file

@ -397,6 +397,7 @@ _compile_shader (GstGLContext * context, struct _compile_shader *data)
GST_GLSL_PROFILE_ES | GST_GLSL_PROFILE_COMPATIBILITY, data->vertex_src);
if (!gst_glsl_stage_compile (vert, &error)) {
GST_ERROR_OBJECT (vert, "%s", error->message);
gst_object_unref (vert);
gst_object_unref (shader);
return;
}
@ -413,6 +414,7 @@ _compile_shader (GstGLContext * context, struct _compile_shader *data)
data->fragment_src);
if (!gst_glsl_stage_compile (frag, &error)) {
GST_ERROR_OBJECT (frag, "%s", error->message);
gst_object_unref (frag);
gst_object_unref (shader);
return;
}