Initial commit of current work on Prime World Editor

OpenGL/CRenderbuffer.cpp

@@ -0,0 +1,52 @@
+#include "CRenderbuffer.h"
+
+CRenderbuffer::CRenderbuffer()
+{
+    mInitialized = false;
+    mWidth = 0;
+    mHeight = 0;
+}
+
+CRenderbuffer::CRenderbuffer(u32 Width, u32 Height)
+{
+    mInitialized = false;
+    mWidth = Width;
+    mHeight = Height;
+}
+
+CRenderbuffer::~CRenderbuffer()
+{
+    if (mInitialized)
+        glDeleteRenderbuffers(1, &mRenderbuffer);
+}
+
+void CRenderbuffer::Init()
+{
+    glGenRenderbuffers(1, &mRenderbuffer);
+    glBindRenderbuffer(GL_RENDERBUFFER, mRenderbuffer);
+    glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, mWidth, mHeight);
+    mInitialized = true;
+}
+
+void CRenderbuffer::Resize(u32 Width, u32 Height)
+{
+    mWidth = Width;
+    mHeight = Height;
+
+    if (mInitialized)
+    {
+        Bind();
+        glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24, mWidth, mHeight);
+    }
+}
+
+void CRenderbuffer::Bind()
+{
+    if (!mInitialized) Init();
+    glBindRenderbuffer(GL_RENDERBUFFER, mRenderbuffer);
+}
+
+void CRenderbuffer::Unbind()
+{
+    glBindRenderbuffer(GL_RENDERBUFFER, 0);
+}