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#include "opengl_uniform_buffer.h"
namespace Donut
{
OpenGLUniformBuffer::OpenGLUniformBuffer(uint32_t size, uint32_t binding)
: m_size(size), m_binding(binding)
{
glGenBuffers(1, &m_renderer_id);
glBindBuffer(GL_UNIFORM_BUFFER, m_renderer_id);
glBufferData(GL_UNIFORM_BUFFER, size, nullptr, GL_DYNAMIC_DRAW);
glBindBufferBase(GL_UNIFORM_BUFFER, binding, m_renderer_id);
}
OpenGLUniformBuffer::~OpenGLUniformBuffer()
{
glDeleteBuffers(1, &m_renderer_id);
}
auto OpenGLUniformBuffer::set_data(const void* data, uint32_t size, uint32_t offset) -> void
{
glBindBuffer(GL_UNIFORM_BUFFER, m_renderer_id);
glBufferSubData(GL_UNIFORM_BUFFER, offset, size, data);
}
auto OpenGLUniformBuffer::bind(uint32_t binding) -> void
{
glBindBufferBase(GL_UNIFORM_BUFFER, binding, m_renderer_id);
}
};
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