OpenVG 1.0 State Tracker

Import of the OpenVG 1.0 state tracker for Gallium.

1 files changed, 83 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/vega/api_misc.c b/src/gallium/state_trackers/vega/api_misc.c
new file mode 100644
index 00000000000..78ba0bc1103
--- /dev/null
+++ b/src/gallium/state_trackers/vega/api_misc.c
@@ -0,0 +1,83 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.  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 VMWARE 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 "VG/openvg.h"
+
+#include "vg_context.h"
+
+/* Hardware Queries */
+VGHardwareQueryResult vgHardwareQuery(VGHardwareQueryType key,
+                                      VGint setting)
+{
+   struct vg_context *ctx = vg_current_context();
+
+   if (key < VG_IMAGE_FORMAT_QUERY ||
+       key > VG_PATH_DATATYPE_QUERY) {
+      vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+      return VG_HARDWARE_UNACCELERATED;
+   }
+
+   if (key == VG_IMAGE_FORMAT_QUERY) {
+      if (setting < VG_sRGBX_8888 ||
+          setting > VG_lABGR_8888_PRE) {
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+         return VG_HARDWARE_UNACCELERATED;
+      }
+   } else if (key == VG_PATH_DATATYPE_QUERY) {
+      if (setting < VG_PATH_DATATYPE_S_8 ||
+          setting > VG_PATH_DATATYPE_F) {
+         vg_set_error(ctx, VG_ILLEGAL_ARGUMENT_ERROR);
+         return VG_HARDWARE_UNACCELERATED;
+      }
+   }
+   /* we're supposed to accelerate everything */
+   return VG_HARDWARE_ACCELERATED;
+}
+
+/* Renderer and Extension Information */
+const VGubyte *vgGetString(VGStringID name)
+{
+   struct vg_context *ctx = vg_current_context();
+   static const VGubyte *vendor = (VGubyte *)"Tungsten Graphics, Inc";
+   static const VGubyte *renderer = (VGubyte *)"Vega OpenVG 1.0";
+   static const VGubyte *version = (VGubyte *)"1.0";
+
+   if (!ctx)
+      return NULL;
+
+   switch(name) {
+   case VG_VENDOR:
+      return vendor;
+   case VG_RENDERER:
+      return renderer;
+   case VG_VERSION:
+      return version;
+   case VG_EXTENSIONS:
+      return NULL;
+   default:
+      return NULL;
+   }
+}