From b98b58c76a2560b1db603e62f96c6641cedfa8e8 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Christian=20K=C3=B6nig?= <deathsimple@vodafone.de>
Date: Fri, 8 Apr 2011 19:21:13 +0200
Subject: [PATCH] vdpau: implement output surface creation

---
 src/gallium/state_trackers/vdpau/output.c     | 50 +++++++++++++++++--
 .../state_trackers/vdpau/vdpau_private.h      |  5 +-
 2 files changed, 48 insertions(+), 7 deletions(-)

diff --git a/src/gallium/state_trackers/vdpau/output.c b/src/gallium/state_trackers/vdpau/output.c
index 90c66481d0a..e95f333b02a 100644
--- a/src/gallium/state_trackers/vdpau/output.c
+++ b/src/gallium/state_trackers/vdpau/output.c
@@ -1,6 +1,7 @@
 /**************************************************************************
  *
  * Copyright 2010 Thomas Balling Sørensen.
+ * Copyright 2011 Christian König.
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -25,17 +26,24 @@
  *
  **************************************************************************/
 
-#include "vdpau_private.h"
 #include <vdpau/vdpau.h>
+
 #include <util/u_debug.h>
 #include <util/u_memory.h>
 
+#include "vdpau_private.h"
+
 VdpStatus
 vlVdpOutputSurfaceCreate(VdpDevice device,
                          VdpRGBAFormat rgba_format,
                          uint32_t width, uint32_t height,
                          VdpOutputSurface  *surface)
 {
+   struct pipe_video_context *context;
+   struct pipe_resource res_tmpl, *res;
+   struct pipe_sampler_view sv_templ;
+   struct pipe_surface surf_templ;
+
    vlVdpOutputSurface *vlsurface = NULL;
 
    debug_printf("[VDPAU] Creating output surface\n");
@@ -46,13 +54,47 @@ vlVdpOutputSurfaceCreate(VdpDevice device,
    if (!dev)
       return VDP_STATUS_INVALID_HANDLE;
 
+   context = dev->context->vpipe;
+   if (!context)
+      return VDP_STATUS_INVALID_HANDLE;
+
    vlsurface = CALLOC(1, sizeof(vlVdpOutputSurface));
    if (!vlsurface)
       return VDP_STATUS_RESOURCES;
 
-   vlsurface->width = width;
-   vlsurface->height = height;
-   vlsurface->format = FormatRGBAToPipe(rgba_format);
+   memset(&res_tmpl, 0, sizeof(res_tmpl));
+
+   res_tmpl.target = PIPE_TEXTURE_2D;
+   res_tmpl.format = FormatRGBAToPipe(rgba_format);
+   res_tmpl.width0 = width;
+   res_tmpl.height0 = height;
+   res_tmpl.depth0 = 1;
+   res_tmpl.array_size = 1;
+   res_tmpl.bind = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
+   res_tmpl.usage = PIPE_USAGE_STATIC;
+
+   res = context->screen->resource_create(context->screen, &res_tmpl);
+   if (!res) {
+      FREE(dev);
+      return VDP_STATUS_ERROR;
+   }
+
+   memset(&sv_templ, 0, sizeof(sv_templ));
+   u_sampler_view_default_template(&sv_templ, res, res->format);
+   vlsurface->sampler_view = context->create_sampler_view(context, res, &sv_templ);
+   if (!vlsurface->sampler_view) {
+      FREE(dev);
+      return VDP_STATUS_ERROR;
+   }
+
+   memset(&surf_templ, 0, sizeof(surf_templ));
+   surf_templ.format = res->format;
+   surf_templ.usage = PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_RENDER_TARGET;
+   vlsurface->surface = context->create_surface(context, res, &surf_templ);
+   if (!vlsurface->surface) {
+      FREE(dev);
+      return VDP_STATUS_ERROR;
+   }
 
    *surface = vlAddDataHTAB(vlsurface);
    if (*surface == 0) {
diff --git a/src/gallium/state_trackers/vdpau/vdpau_private.h b/src/gallium/state_trackers/vdpau/vdpau_private.h
index d326784c951..dca755eb8d4 100644
--- a/src/gallium/state_trackers/vdpau/vdpau_private.h
+++ b/src/gallium/state_trackers/vdpau/vdpau_private.h
@@ -200,9 +200,8 @@ typedef struct
 typedef struct
 {
    vlVdpDevice *device;
-   uint32_t width;
-   uint32_t height;
-   enum pipe_format format;
+   struct pipe_surface *surface;
+   struct pipe_sampler_view *sampler_view;
 } vlVdpOutputSurface;
 
 typedef struct
-- 
2.30.2