OpenVG 1.0 State Tracker

Import of the OpenVG 1.0 state tracker for Gallium.

1 files changed, 75 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/vega/api_context.c b/src/gallium/state_trackers/vega/api_context.c
new file mode 100644
index 0000000000..47db102dd2
--- /dev/null
+++ b/src/gallium/state_trackers/vega/api_context.c
@@ -0,0 +1,75 @@
+/**************************************************************************
+ *
+ * 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"
+
+#include "pipe/p_context.h"
+#include "pipe/p_screen.h"
+
+VGErrorCode vgGetError(void)
+{
+   struct vg_context *ctx = vg_current_context();
+   VGErrorCode error = VG_NO_CONTEXT_ERROR;
+
+   if (!ctx)
+      return error;
+
+   error = ctx->_error;
+   ctx->_error = VG_NO_ERROR;
+
+   return error;
+}
+
+void vgFlush(void)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct pipe_context *pipe;
+
+   if (!ctx)
+      return;
+
+   pipe = ctx->pipe;
+   pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
+}
+
+void vgFinish(void)
+{
+   struct vg_context *ctx = vg_current_context();
+   struct pipe_fence_handle *fence = NULL;
+   struct pipe_context *pipe;
+
+   if (!ctx)
+      return;
+
+   pipe = ctx->pipe;
+
+   pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, &fence);
+
+   pipe->screen->fence_finish(pipe->screen, fence, 0);
+   pipe->screen->fence_reference(pipe->screen, &fence, NULL);
+}