Added Kraken Math files, extracted from Kraken Engine

src/krhelpers.cpp

@@ -0,0 +1,70 @@
+//
+//  krhelpers.cpp
+//  Kraken
+//
+//  Copyright 2018 Kearwood Gilbert. All rights reserved.
+//
+//  Redistribution and use in source and binary forms, with or without modification, are
+//  permitted provided that the following conditions are met:
+//
+//  1. Redistributions of source code must retain the above copyright notice, this list of
+//  conditions and the following disclaimer.
+//
+//  2. Redistributions in binary form must reproduce the above copyright notice, this list
+//  of conditions and the following disclaimer in the documentation and/or other materials
+//  provided with the distribution.
+//
+//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//  The views and conclusions contained in the software and documentation are those of the
+//  authors and should not be interpreted as representing official policies, either expressed
+//  or implied, of Kearwood Gilbert.
+//
+
+#include "krhelpers.h"
+
+#if defined(DEBUG) || defined(_DEBUG)
+#define GLDEBUG(x) \
+x; \
+{ \
+GLenum e; \
+while( (e=glGetError()) != GL_NO_ERROR) \
+{ \
+fprintf(stderr, "Error at line number %d, in file %s. glGetError() returned %i for call %s\n",__LINE__, __FILE__, e, #x ); \
+} \
+}
+#else
+#define GLDEBUG(x) x;
+#endif
+
+namespace kraken {
+
+void SetUniform(GLint location, const Vector2 &v)
+{
+  if (location != -1) GLDEBUG(glUniform2f(location, v.x, v.y));
+}
+
+void SetUniform(GLint location, const Vector3 &v)
+{
+  if (location != -1) GLDEBUG(glUniform3f(location, v.x, v.y, v.z));
+}
+
+void SetUniform(GLint location, const Vector4 &v)
+{
+  if (location != -1) GLDEBUG(glUniform4f(location, v.x, v.y, v.z, v.w));
+}
+
+void SetUniform(GLint location, const Matrix4 &v)
+{
+  if (location != -1) GLDEBUG(glUniformMatrix4fv(location, 1, GL_FALSE, v.c));
+}
+
+} // namespace kraken