mesa: add glformats integer type/format detection routines

_mesa_is_integer_format is moved to formats.c and renamed
as _mesa_is_enum_format_integer.

_mesa_is_format_unsigned, _mesa_is_type_integer,
_mesa_is_type_unsigned, and _mesa_is_enum_format_or_type_integer
are added.

Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Brian Paul <[email protected]>

1 files changed, 57 insertions, 0 deletions

diff --git a/src/mesa/main/glformats.h b/src/mesa/main/glformats.h
new file mode 100644
index 00000000000..d67ad54c00f
--- /dev/null
+++ b/src/mesa/main/glformats.h
@@ -0,0 +1,57 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 1999-2008  Brian Paul   All Rights Reserved.
+ * Copyright (c) 2008-2009  VMware, Inc.
+ * Copyright (c) 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 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.
+ */
+
+#ifndef GLFORMATS_H
+#define GLFORMATS_H
+
+
+#include <GL/gl.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern GLboolean
+_mesa_is_type_integer(GLenum type);
+
+extern GLboolean
+_mesa_is_type_unsigned(GLenum type);
+
+extern GLboolean
+_mesa_is_enum_format_integer(GLenum format);
+
+extern GLboolean
+_mesa_is_enum_format_or_type_integer(GLenum format, GLenum type);
+
+extern GLenum
+_mesa_base_format_to_integer_format(GLenum format);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GLFORMATS_H */
+