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-rw-r--r--src/mesa/main/renderbuffer.c43
1 files changed, 35 insertions, 8 deletions
diff --git a/src/mesa/main/renderbuffer.c b/src/mesa/main/renderbuffer.c
index 4375b5b882c..627bdca66c5 100644
--- a/src/mesa/main/renderbuffer.c
+++ b/src/mesa/main/renderbuffer.c
@@ -106,14 +106,10 @@ _mesa_delete_renderbuffer(struct gl_context *ctx, struct gl_renderbuffer *rb)
free(rb);
}
-
-/**
- * Attach a renderbuffer to a framebuffer.
- * \param bufferName one of the BUFFER_x tokens
- */
-void
-_mesa_add_renderbuffer(struct gl_framebuffer *fb,
- gl_buffer_index bufferName, struct gl_renderbuffer *rb)
+static void
+validate_and_init_renderbuffer_attachment(struct gl_framebuffer *fb,
+ gl_buffer_index bufferName,
+ struct gl_renderbuffer *rb)
{
assert(fb);
assert(rb);
@@ -137,6 +133,37 @@ _mesa_add_renderbuffer(struct gl_framebuffer *fb,
fb->Attachment[bufferName].Type = GL_RENDERBUFFER_EXT;
fb->Attachment[bufferName].Complete = GL_TRUE;
+}
+
+
+/**
+ * Attach a renderbuffer to a framebuffer.
+ * \param bufferName one of the BUFFER_x tokens
+ *
+ * This function avoids adding a reference and is therefore intended to be
+ * used with a freashly created renderbuffer.
+ */
+void
+_mesa_add_renderbuffer_without_ref(struct gl_framebuffer *fb,
+ gl_buffer_index bufferName,
+ struct gl_renderbuffer *rb)
+{
+ validate_and_init_renderbuffer_attachment(fb, bufferName, rb);
+
+ _mesa_reference_renderbuffer(&fb->Attachment[bufferName].Renderbuffer,
+ NULL);
+ fb->Attachment[bufferName].Renderbuffer = rb;
+}
+
+/**
+ * Attach a renderbuffer to a framebuffer.
+ * \param bufferName one of the BUFFER_x tokens
+ */
+void
+_mesa_add_renderbuffer(struct gl_framebuffer *fb,
+ gl_buffer_index bufferName, struct gl_renderbuffer *rb)
+{
+ validate_and_init_renderbuffer_attachment(fb, bufferName, rb);
_mesa_reference_renderbuffer(&fb->Attachment[bufferName].Renderbuffer, rb);
}