fixes

source/opengl/data/texture_data.ipp

@@ -0,0 +1,79 @@
+#ifndef INCLUDE_TEXTURE_DATA_IMPLEMENTATION
+#	error Never include this file directly include 'texture_data.hpp'
+#endif
+
+namespace zgl
+{
+inline texture_data::texture_data(const GLuint texture_id)
+	: m_handle{ texture_id } {}
+
+inline texture_data::texture_data(texture_data&& other) noexcept
+	: m_handle{ other.m_handle }
+{
+	other.m_handle.texture_id = 0;
+}
+
+inline texture_data& texture_data::operator=(texture_data&& other) noexcept
+{
+	if (&other != this)
+	{
+		this->~texture_data();
+
+		m_handle = other.m_handle;
+
+		other.m_handle.texture_id = 0;
+	}
+
+	return *this;
+}
+
+template<typename T>
+std::error_code texture_data::build_from(
+	std::span<const T> buffer,
+	const GLenum format,
+	const GLenum type,
+	const GLsizei width,
+	const GLsizei height,
+	texture_data& data
+) {
+	GLuint texture_id;
+
+	glGenTextures(1, &texture_id);
+	glBindTexture(GL_TEXTURE_2D, texture_id);
+
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+
+	glTexImage2D(
+		GL_TEXTURE_2D, 0,
+		GL_RGBA8,
+		width,
+		height,
+		0,
+		format, type,
+		buffer.data()
+	);
+	glGenerateMipmap(GL_TEXTURE_2D);
+
+	glBindTexture(GL_TEXTURE_2D, 0);
+
+	data = texture_data(texture_id);
+
+	return {};
+}
+
+inline texture_data::~texture_data()
+{
+	if (m_handle.texture_id)
+	{
+		glDeleteTextures(1, &m_handle.texture_id);
+	}
+}
+
+inline texture_handle texture_data::handle() const
+{
+	return { m_handle.texture_id };
+}
+}