1 files changed, 153 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/xvmc/attributes.c b/src/gallium/state_trackers/xvmc/attributes.c
new file mode 100644
index 00000000000..d40a7b1e6f4
--- /dev/null
+++ b/src/gallium/state_trackers/xvmc/attributes.c
@@ -0,0 +1,153 @@
+/**************************************************************************
+ *
+ * Copyright 2009 Younes Manton.
+ * All Rights Reserved.
+ *
+ * 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, sub license, 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 NON-INFRINGEMENT.
+ * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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 <assert.h>
+#include <stdlib.h>
+
+#include <X11/Xlib.h>
+#include <X11/extensions/Xvlib.h>
+#include <X11/extensions/XvMClib.h>
+
+#include "vl/vl_compositor.h"
+
+#include "xvmc_private.h"
+
+#define XV_BRIGHTNESS "XV_BRIGHTNESS"
+#define XV_CONTRAST   "XV_CONTRAST"
+#define XV_SATURATION "XV_SATURATION"
+#define XV_HUE        "XV_HUE"
+#define XV_COLORSPACE "XV_COLORSPACE"
+
+static const XvAttribute attributes[] = {
+   { XvGettable | XvSettable, -1000, 1000, XV_BRIGHTNESS },
+   { XvGettable | XvSettable, -1000, 1000, XV_CONTRAST },
+   { XvGettable | XvSettable, -1000, 1000, XV_SATURATION },
+   { XvGettable | XvSettable, -1000, 1000, XV_HUE },
+   { XvGettable | XvSettable, 0, 1, XV_COLORSPACE }
+};
+
+PUBLIC
+XvAttribute* XvMCQueryAttributes(Display *dpy, XvMCContext *context, int *number)
+{
+   XvAttribute *result;
+
+   assert(dpy && number);
+
+   if (!context || !context->privData)
+      return NULL;
+
+   result = malloc(sizeof(attributes));
+   if (!result)
+      return NULL;
+
+   memcpy(result, attributes, sizeof(attributes));
+   *number = sizeof(attributes) / sizeof(XvAttribute);
+
+   XVMC_MSG(XVMC_TRACE, "[XvMC] Returning %d attributes for context %p.\n", *number, context);
+
+   return result;
+}
+
+PUBLIC
+Status XvMCSetAttribute(Display *dpy, XvMCContext *context, Atom attribute, int value)
+{
+   XvMCContextPrivate *context_priv;
+   const char *attr;
+   float csc[16];
+
+   assert(dpy);
+
+   if (!context || !context->privData)
+      return XvMCBadContext;
+
+   context_priv = context->privData;
+
+   attr = XGetAtomName(dpy, attribute);
+   if (!attr)
+      return XvMCBadContext;
+
+   if (strcmp(attr, XV_BRIGHTNESS))
+      context_priv->procamp.brightness = value / 1000.0f;
+   else if (strcmp(attr, XV_CONTRAST))
+      context_priv->procamp.contrast = value / 1000.0f + 1.0f;
+   else if (strcmp(attr, XV_SATURATION))
+      context_priv->procamp.saturation = value / 1000.0f + 1.0f;
+   else if (strcmp(attr, XV_HUE))
+      context_priv->procamp.hue = value / 1000.0f;
+   else if (strcmp(attr, XV_COLORSPACE))
+      context_priv->color_standard = value ?
+         VL_CSC_COLOR_STANDARD_BT_601 :
+         VL_CSC_COLOR_STANDARD_BT_709;
+   else
+      return BadName;
+
+   vl_csc_get_matrix
+   (
+      context_priv->color_standard,
+      &context_priv->procamp, true, csc
+   );
+   vl_compositor_set_csc_matrix(&context_priv->compositor, csc);
+
+   XVMC_MSG(XVMC_TRACE, "[XvMC] Set attribute %s to value %d.\n", attr, value);
+
+   return Success;
+}
+
+PUBLIC
+Status XvMCGetAttribute(Display *dpy, XvMCContext *context, Atom attribute, int *value)
+{
+   XvMCContextPrivate *context_priv;
+   const char *attr;
+
+   assert(dpy);
+
+   if (!context || !context->privData)
+      return XvMCBadContext;
+
+   context_priv = context->privData;
+
+   attr = XGetAtomName(dpy, attribute);
+   if (!attr)
+      return XvMCBadContext;
+
+   if (strcmp(attr, XV_BRIGHTNESS))
+      *value = context_priv->procamp.brightness * 1000;
+   else if (strcmp(attr, XV_CONTRAST))
+      *value = context_priv->procamp.contrast * 1000 - 1000;
+   else if (strcmp(attr, XV_SATURATION))
+      *value = context_priv->procamp.saturation * 1000 + 1000;
+   else if (strcmp(attr, XV_HUE))
+      *value = context_priv->procamp.hue * 1000;
+   else if (strcmp(attr, XV_COLORSPACE))
+      *value = context_priv->color_standard == VL_CSC_COLOR_STANDARD_BT_709;
+   else
+      return BadName;
+
+   XVMC_MSG(XVMC_TRACE, "[XvMC] Got value %d for attribute %s.\n", *value, attr);
+
+   return Success;
+}