util: Add small caps checker helper

1 files changed, 63 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/util/u_caps.h b/src/gallium/auxiliary/util/u_caps.h
new file mode 100644
index 0000000000..649af8ed20
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_caps.h
@@ -0,0 +1,63 @@
+/**************************************************************************
+ *
+ * Copyright 2010 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.
+ *
+ **************************************************************************/
+
+#ifndef U_CAPS_H
+#define U_CAPS_H
+
+#include "pipe/p_compiler.h"
+
+struct pipe_screen;
+
+enum u_caps_check_enum {
+   UTIL_CAPS_CHECK_TERMINATE = 0,
+   UTIL_CAPS_CHECK_CAP,
+   UTIL_CAPS_CHECK_INT,
+   UTIL_CAPS_CHECK_FLOAT,
+   UTIL_CAPS_CHECK_FORMAT,
+};
+
+#define UTIL_CHECK_CAP(cap) \
+   UTIL_CAPS_CHECK_CAP, PIPE_CAP_##cap
+
+#define UTIL_CHECK_INT(cap, higher) \
+   UTIL_CAPS_CHECK_INT, PIPE_CAP_##cap, (unsigned)(higher)
+
+/* Floats currently lose precision */
+#define UTIL_CHECK_FLOAT(cap, higher) \
+   UTIL_CAPS_CHECK_FLOAT, PIPE_CAP_##cap, (unsigned)(int)(higher)
+
+#define UTIL_CHECK_FORMAT(format) \
+   UTIL_CAPS_CHECK_FORMAT, PIPE_FORMAT_##format
+
+#define UTIL_CHECK_TERMINATE \
+   UTIL_CAPS_CHECK_TERMINATE
+
+boolean util_check_caps(struct pipe_screen *screen, unsigned *list);
+boolean util_check_caps_out(struct pipe_screen *screen, unsigned *list, int *out);
+void util_caps_print_debug(struct pipe_screen *screen);
+
+#endif