---
src/mesa/main/fbobject.c | 18 ++++++++++++++++++
src/mesa/main/fbobject.h | 4 ++++
2 files changed, 22 insertions(+)
diff --git a/src/mesa/main/fbobject.c b/src/mesa/main/fbobject.c
index f8d0d92..8c2eb25 100644
--- a/src/mesa/main/fbobject.c
+++ b/src/mesa/main/fbobject.c
@@ -136,6 +136,24 @@ _mesa_lookup_framebuffer(struct gl_context *ctx, GLuint id)
return fb;
}
+/**
+ * A convenience function for direct state access that throws
+ * GL_INVALID_OPERATION if the framebuffer id is not found in the hash table.
+ */
+struct gl_framebuffer *
+_mesa_lookup_framebuffer_err(struct gl_context *ctx, GLuint id,
+ const char *func)
+{
+ struct gl_framebuffer *fb;
+
+ fb = _mesa_lookup_framebuffer(ctx, id);
+ if (!fb)
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(non-generated framebuffer name=%u)", func, id);
+
+ return fb;
+}
+
/**
* Mark the given framebuffer as invalid. This will force the
diff --git a/src/mesa/main/fbobject.h b/src/mesa/main/fbobject.h
index 77fdef4..7aa5205 100644
--- a/src/mesa/main/fbobject.h
+++ b/src/mesa/main/fbobject.h
@@ -67,6 +67,10 @@ _mesa_lookup_renderbuffer(struct gl_context *ctx, GLuint id);
extern struct gl_framebuffer *
_mesa_lookup_framebuffer(struct gl_context *ctx, GLuint id);
+extern struct gl_framebuffer *
+_mesa_lookup_framebuffer_err(struct gl_context *ctx, GLuint id,
+ const char *func);
+
void
_mesa_update_texture_renderbuffer(struct gl_context *ctx,
--
2.1.0
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