From 80439128ab321b027153dac98ff52c8e25afe40b Mon Sep 17 00:00:00 2001
From: Zhao Yakui <yakui.zhao@intel.com>
Date: Mon, 28 Oct 2013 10:33:58 +0800
Subject: Define the pipeline parameter for extensional VPP

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
---
 va/va.h     |  7 ++++++
 va/va_vpp.h | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 82 insertions(+)

diff --git a/va/va.h b/va/va.h
index 16be327..67d3806 100644
--- a/va/va.h
+++ b/va/va.h
@@ -1032,6 +1032,13 @@ typedef enum
      * color balance (#VAProcFilterParameterBufferColorBalance), etc.
      */
     VAProcFilterParameterBufferType     = 42,
+    /**
+     * \brief Video parameter buffer for extensional video post-processing
+     *
+     * This buffer describes the video post-processing pipeline parameter for
+     * extensional VPP which is added/developped by the customer.
+     */
+    VAProcExtensionBufferType		= 43,
     VABufferTypeMax
 } VABufferType;
 
diff --git a/va/va_vpp.h b/va/va_vpp.h
index 1a41b3e..9ccd87f 100644
--- a/va/va_vpp.h
+++ b/va/va_vpp.h
@@ -685,6 +685,81 @@ typedef struct _VAProcPipelineParameterBuffer {
     unsigned int        num_additional_outputs;
 } VAProcPipelineParameterBuffer;
 
+
+/**
+ * \brief Video processing pipeline configuration for extensional VPP.
+ *
+ * This buffer defines the parameter layout for extensional video processing
+ * pipeline . As for any buffer passed to \c vaRenderPicture(), this is a
+ * one-time usage model. And it is noted that the VAProcPipelineParameterBuffer
+ * and VAProcExtParameterBuffer are multually exclusive.
+ *
+ *
+ * The target surface is specified by the \c render_target argument of
+ * \c vaBeginPicture(). The general usage model is described as follows:
+ * - \c vaBeginPicture(): specify the target surface that receives the
+ *   processed output;
+ * - \c vaRenderPicture(): specify the parameter requirement for the extensional video
+ *   post-processing.
+ * - \c vaEndPicture(): tell the driver to start processing the surfaces
+ *   based on the VAProcExtParameterBuffer
+ */
+#define MAX_SURFACE_EXT		16
+typedef struct _VAProcExtParameterBuffer {
+    /**
+     * \brief the type id of extension video post-processing.
+     * id is used to determie the VPP type,
+     */
+     unsigned int	vpp_ext_typeid;
+    /**
+     * \brief Source surfaces.
+     *
+     * ID of the source surfaces to process.
+     */
+    VASurfaceID         surfaces[MAX_SURFACE_EXT];
+
+    /** \brief Number of input surfaces to process. */
+    unsigned int        num_input_surfaces;
+    /**
+     * \brief Regions within the source surface to be processed.
+     *
+     * Pointer to a #VARectangle defining the region within the output
+     * surface that receives the processed pixels. If NULL, \c input_region
+     * implies the whole surface.
+     *
+     *
+     */
+    const VARectangle  *surface_regions[MAX_SURFACE_EXT];
+    /**
+     * \brief Region within the output surface.
+     *
+     * Pointer to a #VARectangle defining the region within the output
+     * surface that receives the processed pixels. If NULL, \c output_region
+     * implies the whole surface.
+     */
+    const VARectangle  *output_region;
+
+    /**
+     * \brief flag of extra buffer. It indicates whether the parameter of
+     * extra_buffer needs to be passed to GPU kernel.
+     */
+    int			extra_flag;
+
+    /**
+     * \brief content of extra buffer. It indicates that the content needs to
+     * be passed to GPU kernel when the flag is enabled.
+     */
+    unsigned char	extra_buffer[16];
+    /**
+     *
+     * \brief: reserved file for the extension purpose.
+     *
+     * It should be reset to zero currently.
+     */
+    unsigned int	reserved[16];
+} VAProcExtParameterBuffer;
+
+
 /**
  * \brief Filter parameter buffer base.
  *
-- 
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