llvmpipe: warn about illegal use of objects in different contexts

[mesa.git] / src / gallium / drivers / llvmpipe / lp_state_so.c

diff --git a/src/gallium/drivers/llvmpipe/lp_state_so.c b/src/gallium/drivers/llvmpipe/lp_state_so.c
index 2af04cdf1c3feea02af3bad948ded5420e193619..b2afd6fbf702ba202b031cf0aed830af0654762c 100644 (file)
--- a/src/gallium/drivers/llvmpipe/lp_state_so.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_so.c
@@ -70,6 +70,15 @@ llvmpipe_set_so_targets(struct pipe_context *pipe,
    int i;
    for (i = 0; i < num_targets; i++) {
       const boolean append = (offsets[i] == (unsigned)-1);
+      /*
+       * Warn if the so target was created in another context.
+       * XXX Not entirely sure if mesa/st may rely on this?
+       * Otherwise should just assert.
+       */
+      if (targets[i] && targets[i]->context != pipe) {
+         debug_printf("Illegal setting of so target with target %d created in "
+                       "another context\n", i);
+      }
       pipe_so_target_reference((struct pipe_stream_output_target **)&llvmpipe->so_targets[i], targets[i]);
       /* If we're not appending then lets set the internal
          offset to what was requested */