Initial import

1 files changed, 69 insertions, 0 deletions

diff --git a/src/shader.cpp b/src/shader.cpp
new file mode 100644
index 0000000..8456362
--- /dev/null
+++ b/src/shader.cpp
@@ -0,0 +1,69 @@
+/*
+ * Copyright © 2012 Ian D. Romanick
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+#include <stdarg.h>
+#include <GL/glew.h>
+#include <glu3.h>
+#include "shader.h"
+
+void shader_program::init()
+{
+	this->program = glCreateProgram();
+	this->log = 0;
+}
+
+shader_program::shader_program()
+{
+	init();
+}
+
+shader_program::shader_program(GLint shader, ...)
+{
+	va_list ap;
+	GLint sh;
+
+	init();
+
+	glAttachShader(this->program, shader);
+
+	va_start(ap, shader);
+	while ((sh = va_arg(ap, GLint)) != 0) {
+		glAttachShader(this->program, sh);
+	}
+	va_end(ap);
+}
+
+shader_program::~shader_program()
+{
+	glDeleteProgram(this->program);
+	this->program = 0;
+
+	if (this->log) {
+		gluReleaseInfoLog(this->log);
+		this->log = 0;
+	}
+}
+
+bool shader_program::link()
+{
+	return gluLinkProgram(this->program, &this->log);
+}