st/vega: Use vgapi.

Rename vgFooBar to vegaFooBar and use vgapi as the dispatcher.  This
makes sure there is always a current context when the internal functions
are called.  And eglGetProcAddress is finally supported.

1 files changed, 88 insertions, 0 deletions

diff --git a/src/gallium/state_trackers/vega/api.c b/src/gallium/state_trackers/vega/api.c
new file mode 100644
index 00000000000..bf1d37493af
--- /dev/null
+++ b/src/gallium/state_trackers/vega/api.c
@@ -0,0 +1,88 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * 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, sublicense,
+ * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Chia-I Wu <[email protected]>
+ */
+
+#include "mapi/mapi.h"
+
+#include "api.h"
+
+static const char vega_spec[] =
+   "1"
+#define MAPI_ABI_ENTRY(ret, name, params) \
+   "\0" #name "\0"
+#define MAPI_ALIAS_ENTRY(alias, ret, name, params) \
+   #name "\0"
+#include "vgapi/vgapi_tmp.h"
+   "\0";
+
+static const mapi_proc vega_procs[] = {
+#define MAPI_ABI_ENTRY(ret, name, params) \
+   (mapi_proc) vega ## name,
+#include "vgapi/vgapi_tmp.h"
+};
+
+static void api_init(void)
+{
+   static boolean initialized = FALSE;
+   if (!initialized) {
+      mapi_init(vega_spec);
+      initialized = TRUE;
+   }
+}
+
+struct mapi_table *api_create_dispatch(void)
+{
+   struct mapi_table *tbl;
+
+   api_init();
+
+   tbl = mapi_table_create();
+   if (tbl)
+      mapi_table_fill(tbl, vega_procs);
+
+   return tbl;
+}
+
+void api_destroy_dispatch(struct mapi_table *tbl)
+{
+   mapi_table_destroy(tbl);
+}
+
+void api_make_dispatch_current(const struct mapi_table *tbl)
+{
+   mapi_table_make_current(tbl);
+}
+
+mapi_proc api_get_proc_address(const char *proc_name)
+{
+   if (!proc_name || proc_name[0] != 'v' || proc_name[1] != 'g')
+      return NULL;
+   proc_name += 2;
+
+   api_init();
+   return mapi_get_proc_address(proc_name);
+}