1 files changed, 122 insertions, 0 deletions
diff --git a/en_masse-template.c b/en_masse-template.c
new file mode 100644
index 0000000..d823026
--- /dev/null
+++ b/en_masse-template.c
@@ -0,0 +1,122 @@
+/* See LICENSE file for copyright and license details. */
+
+#if defined(__GNUC__) && !defined(__clang__)
+# pragma GCC diagnostic ignored "-Wfloat-equal"
+#elif defined(__clang__)
+# pragma clang diagnostic ignored "-Wcomma"
+# pragma clang diagnostic ignored "-Wfloat-equal"
+# pragma clang diagnostic ignored "-Wvla"
+# pragma clang diagnostic ignored "-Wtautological-compare"
+# pragma clang diagnostic ignored "-Wcovered-switch-default"
+# pragma clang diagnostic ignored "-Wfloat-conversion"
+# pragma clang diagnostic ignored "-Wconversion"
+# pragma clang diagnostic ignored "-Wdouble-promotion"
+# pragma clang diagnostic ignored "-Wswitch-enum"
+# pragma clang diagnostic ignored "-Wcast-align"
+#endif
+
+
+
+int
+libcolour_convert_en_masse(const libcolour_colour_t *from, const libcolour_colour_t *to,
+			   libcolour_convert_en_masse_mode_t mode, size_t n, ...)
+{
+	libcolour_colour_t tfrom, tto;
+	libcolour_convert_en_masse_mode_t alpha_mode = mode & 3;
+	int on_cpu = mode & LIBCOLOUR_CONVERT_EN_MASSE_ON_CPU;
+	int no_override = mode & LIBCOLOUR_CONVERT_EN_MASSE_NO_OVERRIDE;
+	va_list args;
+	TYPE *in1, *in2, *in3;
+	TYPE *out1, *out2, *out3;
+	size_t width;
+
+	if ((unsigned int)mode > 15U) {
+		errno = EINVAL;
+		return -1;
+	}
+	if (n < 0) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	va_start(args, n);
+
+	if (alpha_mode == LIBCOLOUR_CONVERT_EN_MASSE_NO_ALPHA) {
+		in1 = va_arg(args, TYPE *);
+		in2 = in1 + 1;
+		in3 = in1 + 2;
+		width = 3;
+	} else if (alpha_mode == LIBCOLOUR_CONVERT_EN_MASSE_ALPHA_FIRST) {
+		in1 = va_arg(args, TYPE *);
+		in2 = in1 + 2;
+		in3 = in1 + 3;
+		in1 = in1 + 1;
+		width = 4;
+	} else if (alpha_mode == LIBCOLOUR_CONVERT_EN_MASSE_ALPHA_LAST) {
+		in1 = va_arg(args, TYPE *);
+		in2 = in1 + 1;
+		in3 = in1 + 2;
+		width = 4;
+	} else {
+		in1 = va_arg(args, TYPE *);
+		in2 = va_arg(args, TYPE *);
+		in3 = va_arg(args, TYPE *);
+		width = 1;
+	}
+
+	if (!no_override) {
+		out1 = in1;
+		out2 = in2;
+		out3 = in3;
+	} else if (alpha_mode == LIBCOLOUR_CONVERT_EN_MASSE_NO_ALPHA) {
+		out1 = va_arg(args, TYPE *);
+		out2 = out1 + 1;
+		out3 = out1 + 2;
+	} else if (alpha_mode == LIBCOLOUR_CONVERT_EN_MASSE_ALPHA_FIRST) {
+		out1 = va_arg(args, TYPE *);
+		out2 = out1 + 2;
+		out3 = out1 + 3;
+		out1 = out1 + 1;
+	} else if (alpha_mode == LIBCOLOUR_CONVERT_EN_MASSE_ALPHA_LAST) {
+		out1 = va_arg(args, TYPE *);
+		out2 = out1 + 1;
+		out3 = out1 + 2;
+	} else {
+		out1 = va_arg(args, TYPE *);
+		out2 = va_arg(args, TYPE *);
+		out3 = va_arg(args, TYPE *);
+	}
+
+	va_end(args);
+
+	switch (from->model) {
+#define X(C, T, N) case C: memcpy(&tfrom, from, sizeof(T));
+	LIST_MODELS(X)
+#undef X
+	default:
+		errno = EINVAL;
+		return -1;
+	}
+
+	switch (to->model) {
+#define X(C, T, N) case C: memcpy(&tto, to, sizeof(T));
+	LIST_MODELS(X)
+#undef X
+	default:
+		errno = EINVAL;
+		return -1;
+	}
+
+	while (n--) {
+		tfrom.rgb.R = in1[n * width];
+		tfrom.rgb.G = in2[n * width];
+		tfrom.rgb.B = in3[n * width];
+		libcolour_convert(&tfrom, &tto);
+		out1[n * width] = tto.rgb.R;
+		out2[n * width] = tto.rgb.G;
+		out3[n * width] = tto.rgb.B;
+	}
+
+	(void) on_cpu;
+	return 0;
+}