1 files changed, 75 insertions, 0 deletions
diff --git a/src/coopgamma-server/chaining.h b/src/coopgamma-server/chaining.h
new file mode 100644
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+++ b/src/coopgamma-server/chaining.h
@@ -0,0 +1,75 @@
+/**
+ * coopgammad -- Cooperative gamma server
+ * Copyright (C) 2016  Mattias Andrée (maandree@kth.se)
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef COOPGAMMA_SERVER_CHAINING
+#define COOPGAMMA_SERVER_CHAINING
+
+
+#include "../types/output.h"
+
+
+
+#ifndef GCC_ONLY
+# if defined(__GNUC__) && !defined(__clang__)
+#  define GCC_ONLY(...)  __VA_ARGS__
+# else
+#  define GCC_ONLY(...)  /* nothing */
+# endif
+#endif
+
+
+
+/**
+ * Apply a filter on top of another filter
+ * 
+ * @param  dest         The output for the resulting ramp-trio, must be initialised
+ * @param  application  The red, green and blue ramps, as one single raw array,
+ *                      of the filter that should be applied
+ * @param  depth        -1: `float` stops
+ *                      -2: `double` stops
+ *                      Other: the number of bits of each (integral) stop
+ * @param  base         The CLUT on top of which the new filter should be applied,
+ *                      this can be the same pointer as `dest`
+ */
+GCC_ONLY(__attribute__((nonnull)))
+void apply_filter(union gamma_ramps* restrict dest, void* restrict application,
+		  int depth, union gamma_ramps* restrict base);
+
+
+/**
+ * Add a filter to an output
+ * 
+ * @param   output  The output
+ * @param   filter  The filter
+ * @return          The index given to the filter, -1 on error
+ */
+GCC_ONLY(__attribute__((nonnull)))
+ssize_t add_filter(struct output* restrict output, struct filter* restrict filter);
+
+/**
+ * Make identity mapping ramps
+ * 
+ * @param   ramps   Output parameter for the ramps
+ * @param   output  The output for which the ramps shall be configured
+ * @return          Zero on success, -1 on error
+ */
+GCC_ONLY(__attribute__((nonnull)))
+int make_plain_ramps(union gamma_ramps* restrict ramps, struct output* restrict output);
+
+
+#endif
+