58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#include "engine/opengl/buffers.h"
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namespace Core {
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namespace OpenGL {
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Buffer::Buffer(BufferTarget target, BufferUsage usage)
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: m_target(target), m_usage(usage)
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{
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glGenBuffers(1, &m_buffer);
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Bind();
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Data(nullptr, 0);
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Unbind();
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}
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void Buffer::Bind() {
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glBindBuffer(m_target, m_buffer);
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}
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void Buffer::Unbind() {
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glBindBuffer(m_target, 0);
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}
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void Buffer::Data(void *data, size_t size) {
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Bind();
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glBufferData(m_target, size, data, m_usage);
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Unbind();
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}
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void Buffer::SubData(void *data, size_t size, size_t offset) {
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Bind();
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glBufferSubData(m_target, offset, size, data);
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Unbind();
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}
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void Buffer::BindBuffer(unsigned int index) {
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Bind();
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glBindBufferBase(m_target, index, m_buffer);
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Unbind();
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}
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void Buffer::BindBufferRanged(unsigned int index, size_t offset, size_t size) {
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Bind();
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glBindBufferRange(m_target, index, m_buffer, offset, size);
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Unbind();
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}
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UniformBuffer::UniformBuffer(size_t size, unsigned int index)
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: Buffer(GL_UNIFORM_BUFFER, GL_STATIC_DRAW)
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{
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Data(nullptr, size);
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BindBuffer(index);
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}
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} // namespace OpenGL
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} // namespace Core
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