load basic 3d model

src/render/loader/GLLoader.cpp

@@ -8,6 +8,7 @@
 
 #include "render/loader/GLLoader.h"
 #include "render/GL.h"
+#include <cassert>
 
 namespace GL {
 
@@ -69,4 +70,37 @@ void VertexBuffer::BindVertexAttribs() const {
 		glVertexAttribPointer(pointer.m_Index, static_cast<GLint>(pointer.m_Size), GL_FLOAT, false, m_DataStride * sizeof(float), reinterpret_cast<void*>(pointer.m_Offset));
 	}
 }
+
+Texture::Texture(const char* textureData, int width, int height, int comp) {
+	glGenTextures(1, &m_ID);
+
+	Bind();
+
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+	assert(comp == 3 || comp == 4);
+
+	if (comp == 3)
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB,
+			GL_UNSIGNED_BYTE, textureData);
+	else
+		glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA,
+			GL_UNSIGNED_BYTE, textureData);
+
+	Unbind();
+}
+
+Texture::~Texture() {
+	glDeleteTextures(1, &m_ID);
+}
+
+void Texture::Bind() const {
+	glBindTexture(GL_TEXTURE_2D, m_ID);
+}
+
+void Texture::Unbind() {
+	glBindTexture(GL_TEXTURE_2D, 0);
+}
+
 }