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-rw-r--r--src/mesa/state_tracker/st_cb_fbo.c1
-rw-r--r--src/mesa/state_tracker/st_manager.c10
2 files changed, 9 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_cb_fbo.c b/src/mesa/state_tracker/st_cb_fbo.c
index 21fc5420d58..7b9855f9631 100644
--- a/src/mesa/state_tracker/st_cb_fbo.c
+++ b/src/mesa/state_tracker/st_cb_fbo.c
@@ -739,6 +739,7 @@ st_ReadBuffer(struct gl_context *ctx, GLenum buffer)
if ((fb->_ColorReadBufferIndex == BUFFER_FRONT_LEFT ||
fb->_ColorReadBufferIndex == BUFFER_FRONT_RIGHT) &&
fb->Attachment[fb->_ColorReadBufferIndex].Type == GL_NONE) {
+ assert(_mesa_is_winsys_fbo(fb));
/* add the buffer */
st_manager_add_color_renderbuffer(st, fb, fb->_ColorReadBufferIndex);
_mesa_update_state(ctx);
diff --git a/src/mesa/state_tracker/st_manager.c b/src/mesa/state_tracker/st_manager.c
index a91dc76d226..b9e46fd07e6 100644
--- a/src/mesa/state_tracker/st_manager.c
+++ b/src/mesa/state_tracker/st_manager.c
@@ -270,7 +270,8 @@ st_framebuffer_update_attachments(struct st_framebuffer *stfb)
}
/**
- * Add a renderbuffer to the framebuffer.
+ * Add a renderbuffer to the framebuffer. The framebuffer is one that
+ * corresponds to a window and is not a user-created FBO.
*/
static boolean
st_framebuffer_add_renderbuffer(struct st_framebuffer *stfb,
@@ -283,6 +284,8 @@ st_framebuffer_add_renderbuffer(struct st_framebuffer *stfb,
if (!stfb->iface)
return FALSE;
+ assert(_mesa_is_winsys_fbo(&stfb->Base));
+
/* do not distinguish depth/stencil buffers */
if (idx == BUFFER_STENCIL)
idx = BUFFER_DEPTH;
@@ -869,7 +872,8 @@ st_manager_validate_framebuffers(struct st_context *st)
}
/**
- * Add a color renderbuffer on demand.
+ * Add a color renderbuffer on demand. The FBO must correspond to a window,
+ * not a user-created FBO.
*/
boolean
st_manager_add_color_renderbuffer(struct st_context *st,
@@ -882,6 +886,8 @@ st_manager_add_color_renderbuffer(struct st_context *st,
if (!stfb)
return FALSE;
+ assert(_mesa_is_winsys_fbo(fb));
+
if (stfb->Base.Attachment[idx].Renderbuffer)
return TRUE;