fips-dispatch: Completely separate fips-dispatch GL prototypes from GL/gl.h

[fips] / fips-dispatch-gl.c

diff --git a/fips-dispatch-gl.c b/fips-dispatch-gl.c
new file mode 100644 (file)
index 0000000..cd9e35e
--- /dev/null
+++ b/fips-dispatch-gl.c
@@ -0,0 +1,149 @@
+/* Copyright © 2012, Intel Corporation
+ *
+ * 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.
+ */
+
+#include "fips-dispatch-gl.h"
+
+static void
+check_initialized (void)
+{
+       if (fips_dispatch_initialized)
+               return;
+
+       fprintf (stderr,
+                "Internal error: fips_dispatch_init must be called before\n"
+                "any OpenGL function supported via fips_dispatch.\n");
+       exit (1);
+}
+
+static void
+unsupported (const char *name)
+{
+       fprintf (stderr, "Error: fips failed to find support for %s\n", name);
+
+       exit (1);
+}
+
+static void
+resolve_glGenQueries (void)
+{
+       fips_dispatch_glGenQueries = fips_dispatch_lookup ("glGenQueries");
+
+       if (! fips_dispatch_glGenQueries)
+               fips_dispatch_glGenQueries = fips_dispatch_lookup ("glGenQueriesARB");
+
+       if (! fips_dispatch_glGenQueries)
+               unsupported ("GenQueries");
+}
+
+static void
+stub_glGenQueries (GLsizei n, GLuint *ids)
+{
+       check_initialized ();
+       resolve_glGenQueries ();
+       fips_dispatch_glGenQueries (n, ids);
+}
+
+PFNGLGENQUERIESPROC fips_dispatch_glGenQueries = stub_glGenQueries;
+
+static void
+resolve_glDeleteQueries (void)
+{
+       fips_dispatch_glDeleteQueries = fips_dispatch_lookup ("glDeleteQueries");
+
+       if (! fips_dispatch_glDeleteQueries)
+               fips_dispatch_glDeleteQueries = fips_dispatch_lookup ("glDeleteQueriesARB");
+
+       if (! fips_dispatch_glDeleteQueries)
+               unsupported ("DeleteQueries");
+}
+
+static void
+stub_glDeleteQueries (GLsizei n, const GLuint * ids)
+{
+       check_initialized ();
+       resolve_glDeleteQueries ();
+       fips_dispatch_glDeleteQueries (n, ids);
+}
+
+PFNGLDELETEQUERIESPROC fips_dispatch_glDeleteQueries = stub_glDeleteQueries;
+
+static void
+resolve_glBeginQuery (void)
+{
+       fips_dispatch_glBeginQuery = fips_dispatch_lookup ("glBeginQuery");
+
+       if (! fips_dispatch_glBeginQuery)
+               fips_dispatch_glBeginQuery = fips_dispatch_lookup ("glBeginQueryARB");
+
+       if (! fips_dispatch_glBeginQuery)
+               unsupported ("BeginQuery");
+}
+
+static void
+stub_glBeginQuery (GLenum target, GLuint id)
+{
+       check_initialized ();
+       resolve_glBeginQuery ();
+       fips_dispatch_glBeginQuery (target, id);
+}
+
+PFNGLBEGINQUERYPROC fips_dispatch_glBeginQuery = stub_glBeginQuery;
+
+static void
+resolve_glEndQuery (void)
+{
+       fips_dispatch_glEndQuery = fips_dispatch_lookup ("glEndQuery");
+
+       if (! fips_dispatch_glEndQuery)
+               fips_dispatch_glEndQuery = fips_dispatch_lookup ("glEndQueryARB");
+
+       if (! fips_dispatch_glEndQuery)
+               unsupported ("EndQuery");
+}
+
+static void
+stub_glEndQuery (GLenum target)
+{
+       check_initialized ();
+       resolve_glEndQuery ();
+       fips_dispatch_glEndQuery (target);
+}
+
+PFNGLENDQUERYPROC fips_dispatch_glEndQuery = stub_glEndQuery;
+
+static void
+resolve_glGetQueryObjectuiv (void)
+{
+       fips_dispatch_glGetQueryObjectuiv = (PFNGLGETQUERYOBJECTUIVPROC) fips_dispatch_lookup ("glGetQueryObjectuivARB");
+
+       if (! fips_dispatch_glGetQueryObjectuiv)
+               unsupported ("GetQueryObjectuiv");
+}
+
+static void
+stub_glGetQueryObjectuiv (GLuint id, GLenum pname, GLuint * params)
+{
+       check_initialized ();
+       resolve_glGetQueryObjectuiv ();
+       fips_dispatch_glGetQueryObjectuiv (id, pname, params);
+}
+
+PFNGLGETQUERYOBJECTUIVPROC fips_dispatch_glGetQueryObjectuiv = stub_glGetQueryObjectuiv;