gallium: drivers should reference vertex buffers

So that a state tracker can unreference them after set_vertex_buffers.

2 files changed, 7 insertions, 2 deletions

diff --git a/src/gallium/drivers/i915/i915_context.c b/src/gallium/drivers/i915/i915_context.c
index 847dd6dd47..9be3161925 100644
--- a/src/gallium/drivers/i915/i915_context.c
+++ b/src/gallium/drivers/i915/i915_context.c
@@ -107,6 +107,10 @@ static void i915_destroy(struct pipe_context *pipe)
    if(i915->batch)
       i915->iws->batchbuffer_destroy(i915->batch);
 
+   for (i = 0; i < i915->num_vertex_buffers; i++) {
+      pipe_resource_reference(&i915->vertex_buffer[i].buffer, NULL);
+   }
+
    /* unbind framebuffer */
    for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
       pipe_surface_reference(&i915->framebuffer.cbufs[i], NULL);
diff --git a/src/gallium/drivers/i915/i915_state.c b/src/gallium/drivers/i915/i915_state.c
index bbfcff6bc4..f5b60ed594 100644
--- a/src/gallium/drivers/i915/i915_state.c
+++ b/src/gallium/drivers/i915/i915_state.c
@@ -760,8 +760,9 @@ static void i915_set_vertex_buffers(struct pipe_context *pipe,
     */
    draw_flush(i915->draw);
 
-   memcpy(i915->vertex_buffer, buffers, count * sizeof(buffers[0]));
-   i915->num_vertex_buffers = count;
+   util_copy_vertex_buffers(i915->vertex_buffer,
+                            &i915->num_vertex_buffers,
+                            buffers, count);
 
    /* pass-through to draw module */
    draw_set_vertex_buffers(i915->draw, count, buffers);