Initial Commit

include/cglm-mat.h

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c), Recep Aslantas.
+ *
+ * MIT License (MIT), http://opensource.org/licenses/MIT
+ * Full license can be found in the LICENSE file
+ */
+
+#ifndef cglm_mat_h
+#define cglm_mat_h
+
+#include "cglm.h"
+#include "cglm-mat-simd.h"
+
+#define glm_mat_mul4_impl(l, r, d)                                            \
+ do {                                                                         \
+    d[0]  = l[0]  * r[0] + l[1]  * r[4] + l[2]  * r[8]  + l[3]  * r[12];      \
+    d[1]  = l[0]  * r[1] + l[1]  * r[5] + l[2]  * r[9]  + l[3]  * r[13];      \
+    d[2]  = l[0]  * r[2] + l[1]  * r[6] + l[2]  * r[10] + l[3]  * r[14];      \
+    d[3]  = l[0]  * r[3] + l[1]  * r[7] + l[2]  * r[11] + l[3]  * r[15];      \
+    d[4]  = l[4]  * r[0] + l[5]  * r[4] + l[6]  * r[8]  + l[7]  * r[12];      \
+    d[5]  = l[4]  * r[1] + l[5]  * r[5] + l[6]  * r[9]  + l[7]  * r[13];      \
+    d[6]  = l[4]  * r[2] + l[5]  * r[6] + l[6]  * r[10] + l[7]  * r[14];      \
+    d[7]  = l[4]  * r[3] + l[5]  * r[7] + l[6]  * r[11] + l[7]  * r[15];      \
+    d[8]  = l[8]  * r[0] + l[9]  * r[4] + l[10] * r[8]  + l[11] * r[12];      \
+    d[9]  = l[8]  * r[1] + l[9]  * r[5] + l[10] * r[9]  + l[11] * r[13];      \
+    d[10] = l[8]  * r[2] + l[9]  * r[6] + l[10] * r[10] + l[11] * r[14];      \
+    d[11] = l[8]  * r[3] + l[9]  * r[7] + l[10] * r[11] + l[11] * r[15];      \
+    d[12] = l[12] * r[0] + l[13] * r[4] + l[14] * r[8]  + l[15] * r[12];      \
+    d[13] = l[12] * r[1] + l[13] * r[5] + l[14] * r[9]  + l[15] * r[13];      \
+    d[14] = l[12] * r[2] + l[13] * r[6] + l[14] * r[10] + l[15] * r[14];      \
+    d[15] = l[12] * r[3] + l[13] * r[7] + l[14] * r[11] + l[15] * r[15];      \
+  } while (0)
+
+CGLM_INLINE
+void
+glm_mat_mul4(float * __restrict m1,
+             float * __restrict m2,
+             float * __restrict dest) {
+#if defined( __SSE__ ) || defined( __SSE2__ )
+  CGLM_MAT_MUL_SSE_4x4f(m1, m2, dest);
+#else
+  glm_mat_mul4_impl(m1, m2, dest);
+#endif
+}
+
+#endif /* cglm_mat_h */