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#include "OpenGLUniformBuffer.h"
namespace Donut
{
OpenGLUniformBuffer::OpenGLUniformBuffer(uint32_t size, uint32_t binding)
: m_Size(size), m_Binding(binding)
{
glGenBuffers(1, &m_RendererID);
glBindBuffer(GL_UNIFORM_BUFFER, m_RendererID);
glBufferData(GL_UNIFORM_BUFFER, size, nullptr, GL_DYNAMIC_DRAW);
glBindBufferBase(GL_UNIFORM_BUFFER, binding, m_RendererID);
}
OpenGLUniformBuffer::~OpenGLUniformBuffer()
{
glDeleteBuffers(1, &m_RendererID);
}
void OpenGLUniformBuffer::SetData(const void* data, uint32_t size, uint32_t offset)
{
glBindBuffer(GL_UNIFORM_BUFFER, m_RendererID);
glBufferSubData(GL_UNIFORM_BUFFER, offset, size, data);
}
void OpenGLUniformBuffer::Bind(uint32_t binding)
{
glBindBufferBase(GL_UNIFORM_BUFFER, binding, m_RendererID);
}
};
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