nvc0: Add support for video buffer

1 files changed, 54 insertions, 0 deletions

diff --git a/src/gallium/drivers/nvc0/nvc0_video.h b/src/gallium/drivers/nvc0/nvc0_video.h
new file mode 100644
index 00000000000..e2cfc3d5902
--- /dev/null
+++ b/src/gallium/drivers/nvc0/nvc0_video.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2011 Maarten Lankhorst
+ *
+ * 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 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 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.
+ */
+
+#include "nvc0_context.h"
+#include "nvc0_screen.h"
+
+#include "vl/vl_decoder.h"
+#include "vl/vl_video_buffer.h"
+#include "vl/vl_types.h"
+
+#include "util/u_video.h"
+
+struct nvc0_video_buffer {
+   struct pipe_video_buffer base;
+   unsigned num_planes, valid_ref;
+   struct pipe_resource *resources[VL_NUM_COMPONENTS];
+   struct pipe_sampler_view *sampler_view_planes[VL_NUM_COMPONENTS];
+   struct pipe_sampler_view *sampler_view_components[VL_NUM_COMPONENTS];
+   struct pipe_surface *surfaces[VL_NUM_COMPONENTS * 2];
+};
+
+static INLINE uint32_t nvc0_video_align(uint32_t h)
+{
+   return ((h+0x3f)&~0x3f);
+};
+
+static INLINE uint32_t mb(uint32_t coord)
+{
+   return (coord + 0xf)>>4;
+}
+
+static INLINE uint32_t mb_half(uint32_t coord)
+{
+   return (coord + 0x1f)>>5;
+}