r600g: Fixed r600_vertex_element leak.

Signed-off-by: Tilman Sauerbeck <tilman@code-monkey.de>
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/gallium/drivers/r600/evergreen_state.c

@@ -561,13 +561,12 @@ static void evergreen_delete_state(struct pipe_context *ctx, void *state)
 
 static void evergreen_delete_vertex_element(struct pipe_context *ctx, void *state)
 {
-	struct r600_vertex_element *v = (struct r600_vertex_element*)state;
+	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 
-	if (v == NULL)
-		return;
-	if (--v->refcount)
-		return;
-	free(v);
+	FREE(state);
+
+	if (rctx->vertex_elements == state)
+		rctx->vertex_elements = NULL;
 }
 
 static void evergreen_set_clip_state(struct pipe_context *ctx,
@@ -610,10 +609,8 @@ static void evergreen_bind_vertex_elements(struct pipe_context *ctx, void *state
 	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 	struct r600_vertex_element *v = (struct r600_vertex_element*)state;
 
-	evergreen_delete_vertex_element(ctx, rctx->vertex_elements);
 	rctx->vertex_elements = v;
 	if (v) {
-		v->refcount++;
 //		rctx->vs_rebuild = TRUE;
 	}
 }

src/gallium/drivers/r600/r600_pipe.h

@@ -83,7 +83,6 @@ struct r600_pipe_blend {
 struct r600_vertex_element
 {
 	unsigned			count;
-	unsigned			refcount;
 	struct pipe_vertex_element	elements[PIPE_MAX_ATTRIBS];
 	enum pipe_format		hw_format[PIPE_MAX_ATTRIBS];
 	unsigned			hw_format_size[PIPE_MAX_ATTRIBS];

src/gallium/drivers/r600/r600_state.c

@@ -755,13 +755,12 @@ static void r600_delete_state(struct pipe_context *ctx, void *state)
 
 static void r600_delete_vertex_element(struct pipe_context *ctx, void *state)
 {
-	struct r600_vertex_element *v = (struct r600_vertex_element*)state;
+	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 
-	if (v == NULL)
-		return;
-	if (--v->refcount)
-		return;
-	free(v);
+	FREE(state);
+
+	if (rctx->vertex_elements == state)
+		rctx->vertex_elements = NULL;
 }
 
 static void r600_set_clip_state(struct pipe_context *ctx,
@@ -804,10 +803,8 @@ static void r600_bind_vertex_elements(struct pipe_context *ctx, void *state)
 	struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx;
 	struct r600_vertex_element *v = (struct r600_vertex_element*)state;
 
-	r600_delete_vertex_element(ctx, rctx->vertex_elements);
 	rctx->vertex_elements = v;
 	if (v) {
-		v->refcount++;
 //		rctx->vs_rebuild = TRUE;
 	}
 }

src/gallium/drivers/r600/r600_state_common.c

@@ -118,6 +118,5 @@ void *r600_create_vertex_elements(struct pipe_context *ctx,
 			align(util_format_get_blocksize(v->hw_format[i]), 4);
 	}
 
-	v->refcount = 1;
 	return v;
 }