2025.6.1

exchange/exchangesource/MeshViewer/application/render/ebo.cpp

@@ -0,0 +1,45 @@
+/***********************************************************************************************************************
+ *
+ * Copyright (c) 2010 - 2025 by Tech Soft 3D, Inc.
+ * The information contained herein is confidential and proprietary to Tech Soft 3D, Inc., and considered a trade secret
+ * as defined under civil and criminal statutes. Tech Soft 3D shall pursue its civil and criminal remedies in the event
+ * of unauthorized use or misappropriation of its trade secrets. Use of this information by anyone other than authorized
+ * employees of Tech Soft 3D, Inc. is granted only under a written non-disclosure agreement, expressly prescribing the
+ * scope and manner of such use.
+ *
+ ***********************************************************************************************************************/
+
+#include "ebo.h"
+
+EBO::EBO(const array_of_indices& indices)
+{
+	glGenBuffers(1, &id);
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
+	glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(GLuint), indices.data(), GL_STATIC_DRAW);
+}
+EBO::EBO(const std::vector<array_of_indices>& array_of_indices)
+{
+	std::size_t start = 0;
+	for (const auto& indices : array_of_indices)
+	{
+		glGenBuffers(1, &id);
+		glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
+		glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(GLuint), indices.data(), GL_STATIC_DRAW);
+		start += indices.size() * sizeof(GLuint);
+	}
+}
+
+void EBO::Bind()
+{
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, id);
+}
+
+void EBO::Unbind()
+{
+	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
+}
+
+void EBO::Delete()
+{
+	glDeleteBuffers(1, &id);
+}