1 files changed, 114 insertions, 0 deletions
diff --git a/src/freedreno/drm/freedreno_ringbuffer.c b/src/freedreno/drm/freedreno_ringbuffer.c
new file mode 100644
index 00000000000..671cbb11f68
--- /dev/null
+++ b/src/freedreno/drm/freedreno_ringbuffer.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2012-2018 Rob Clark <[email protected]>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * Authors:
+ *    Rob Clark <[email protected]>
+ */
+
+#include <assert.h>
+
+#include "freedreno_drmif.h"
+#include "freedreno_ringbuffer.h"
+#include "freedreno_priv.h"
+
+struct fd_submit *
+fd_submit_new(struct fd_pipe *pipe)
+{
+	return pipe->funcs->submit_new(pipe);
+}
+
+void
+fd_submit_del(struct fd_submit *submit)
+{
+	return submit->funcs->destroy(submit);
+}
+
+int
+fd_submit_flush(struct fd_submit *submit, int in_fence_fd, int *out_fence_fd,
+		uint32_t *out_fence)
+{
+	return submit->funcs->flush(submit, in_fence_fd, out_fence_fd, out_fence);
+}
+
+struct fd_ringbuffer *
+fd_submit_new_ringbuffer(struct fd_submit *submit, uint32_t size,
+		enum fd_ringbuffer_flags flags)
+{
+	debug_assert(!(flags & _FD_RINGBUFFER_OBJECT));
+	if (flags & FD_RINGBUFFER_STREAMING) {
+		debug_assert(!(flags & FD_RINGBUFFER_GROWABLE));
+		debug_assert(!(flags & FD_RINGBUFFER_PRIMARY));
+	}
+	return submit->funcs->new_ringbuffer(submit, size, flags);
+}
+
+struct fd_ringbuffer *
+fd_ringbuffer_new_object(struct fd_pipe *pipe, uint32_t size)
+{
+	return pipe->funcs->ringbuffer_new_object(pipe, size);
+}
+
+void fd_ringbuffer_del(struct fd_ringbuffer *ring)
+{
+	if (!atomic_dec_and_test(&ring->refcnt))
+		return;
+
+	ring->funcs->destroy(ring);
+}
+
+struct fd_ringbuffer *
+fd_ringbuffer_ref(struct fd_ringbuffer *ring)
+{
+	p_atomic_inc(&ring->refcnt);
+	return ring;
+}
+
+void fd_ringbuffer_grow(struct fd_ringbuffer *ring, uint32_t ndwords)
+{
+	assert(ring->funcs->grow);     /* unsupported on kgsl */
+
+	/* there is an upper bound on IB size, which appears to be 0x100000 */
+	if (ring->size < 0x100000)
+		ring->size *= 2;
+
+	ring->funcs->grow(ring, ring->size);
+}
+
+void fd_ringbuffer_reloc(struct fd_ringbuffer *ring,
+				     const struct fd_reloc *reloc)
+{
+	ring->funcs->emit_reloc(ring, reloc);
+}
+
+uint32_t fd_ringbuffer_cmd_count(struct fd_ringbuffer *ring)
+{
+	if (!ring->funcs->cmd_count)
+		return 1;
+	return ring->funcs->cmd_count(ring);
+}
+
+uint32_t
+fd_ringbuffer_emit_reloc_ring_full(struct fd_ringbuffer *ring,
+		struct fd_ringbuffer *target, uint32_t cmd_idx)
+{
+	return ring->funcs->emit_reloc_ring(ring, target, cmd_idx);
+}