portersky
df08210f77
- Add shader class for vertex/fragment program compilation - Add vao class for vertex array object management - Render RGB gradient triangle with interpolated vertex colors
48 lines
728 B
C++
48 lines
728 B
C++
#include "cbt/opengl/vao.hpp"
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namespace cbt::opengl {
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vao::vao() {
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glGenVertexArrays(1, &m_id);
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}
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vao::~vao() {
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if (m_id) {
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glDeleteVertexArrays(1, &m_id);
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}
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}
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vao::vao(vao&& other) noexcept
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: m_id(other.m_id) {
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other.m_id = 0;
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}
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vao& vao::operator=(vao&& other) noexcept {
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if (this != &other) {
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if (m_id) {
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glDeleteVertexArrays(1, &m_id);
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}
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m_id = other.m_id;
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other.m_id = 0;
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}
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return *this;
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}
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auto vao::bind() const -> void {
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glBindVertexArray(m_id);
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}
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auto vao::unbind() const -> void {
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glBindVertexArray(0);
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}
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auto vao::id() const -> GLuint {
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return m_id;
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}
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auto vao::valid() const -> bool {
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return m_id != 0;
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}
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}
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