1 files changed, 34 insertions, 0 deletions
diff --git a/libgamma_x_randr_crtc_set_gamma_ramps16.c b/libgamma_x_randr_crtc_set_gamma_ramps16.c
new file mode 100644
index 0000000..5bb9bb3
--- /dev/null
+++ b/libgamma_x_randr_crtc_set_gamma_ramps16.c
@@ -0,0 +1,34 @@
+/* See LICENSE file for copyright and license details. */
+#define IN_LIBGAMMA_X_RANDR
+#include "common.h"
+
+
+/**
+ * Set the gamma ramps for a CRTC, 16-bit gamma-depth version
+ * 
+ * @param   this   The CRTC state
+ * @param   ramps  The gamma ramps to apply
+ * @return         Zero on success, otherwise (negative) the value of an
+ *                 error identifier provided by this library
+ */
+int
+libgamma_x_randr_crtc_set_gamma_ramps16(libgamma_crtc_state_t *restrict this, const libgamma_gamma_ramps16_t *ramps)
+{
+	xcb_connection_t *restrict connection = this->partition->site->data;
+	xcb_void_cookie_t cookie;
+	xcb_generic_error_t *restrict error;
+#ifdef DEBUG
+	/* Gamma ramp sizes are identical but not fixed */
+	if (ramps->red_size != ramps->green_size || ramps->red_size != ramps->blue_size)
+		return LIBGAMMA_MIXED_GAMMA_RAMP_SIZE;
+#endif
+
+	/* Apply gamma ramps */
+	cookie = xcb_randr_set_crtc_gamma_checked(connection, *(xcb_randr_crtc_t*)this->data,
+	                                          (uint16_t)ramps->red_size, ramps->red, ramps->green, ramps->blue);
+	/* Check for errors */
+	error = xcb_request_check(connection, cookie);
+	if (error)
+		return libgamma_x_randr_internal_translate_error(error->error_code, LIBGAMMA_GAMMA_RAMP_WRITE_FAILED, 0);
+	return 0;
+}