Initial commit of current work on Prime World Editor

OpenGL/CUniformBuffer.cpp

@@ -0,0 +1,60 @@
+#include "CUniformBuffer.h"
+
+CUniformBuffer::CUniformBuffer()
+{
+    glGenBuffers(1, &mUniformBuffer);
+    SetBufferSize(0);
+}
+
+CUniformBuffer::CUniformBuffer(u32 Size)
+{
+    glGenBuffers(1, &mUniformBuffer);
+    SetBufferSize(Size);
+}
+
+CUniformBuffer::~CUniformBuffer()
+{
+    glDeleteBuffers(1, &mUniformBuffer);
+}
+
+void CUniformBuffer::InitializeBuffer()
+{
+    Bind();
+    glBufferData(GL_UNIFORM_BUFFER, mBufferSize, 0, GL_DYNAMIC_DRAW);
+    Unbind();
+}
+
+void CUniformBuffer::Bind()
+{
+    glBindBuffer(GL_UNIFORM_BUFFER, mUniformBuffer);
+}
+
+void CUniformBuffer::Unbind()
+{
+    glBindBuffer(GL_UNIFORM_BUFFER, 0);
+}
+
+void CUniformBuffer::BindBase(GLuint index)
+{
+    Bind();
+    glBindBufferBase(GL_UNIFORM_BUFFER, index, mUniformBuffer);
+    Unbind();
+}
+
+void CUniformBuffer::Buffer(void *pData)
+{
+    Bind();
+    glBufferSubData(GL_UNIFORM_BUFFER, 0, mBufferSize, pData);
+    Unbind();
+}
+
+void CUniformBuffer::SetBufferSize(u32 Size)
+{
+    mBufferSize = Size;
+    InitializeBuffer();
+}
+
+u32 CUniformBuffer::GetBufferSize()
+{
+    return mBufferSize;
+}