1 files changed, 48 insertions, 0 deletions
diff --git a/graphics/asymptote/GLTextures.cc b/graphics/asymptote/GLTextures.cc
new file mode 100644
index 0000000000..81ab5faaee
--- /dev/null
+++ b/graphics/asymptote/GLTextures.cc
@@ -0,0 +1,48 @@
+//
+// Created by jamie on 8/23/21.
+//
+
+#include "GLTextures.h"
+
+#ifdef HAVE_GL
+
+namespace gl
+{
+
+#ifdef __CYGWIN__
+#define glDeleteTextures glDeleteTexturesEXT  // Missing in 32-bit CYGWIN
+#endif
+
+AGLTexture::~AGLTexture()
+{
+  if (textureId != 0)
+    {
+      glDeleteTextures(1, &textureId);
+    }
+}
+
+AGLTexture& AGLTexture::operator=(AGLTexture&& glTex) noexcept
+{
+  textureId = glTex.textureId;
+  textureNumber = glTex.textureNumber;
+  glTex.textureId = 0;
+  glTex.textureNumber = -1;
+
+  return *this;
+}
+
+AGLTexture::AGLTexture(AGLTexture&& glTex) noexcept:
+  textureId(glTex.textureId), textureNumber(glTex.textureNumber)
+{
+}
+
+AGLTexture::AGLTexture(int textureNumber) : textureNumber(textureNumber) {}
+
+void AGLTexture::setActive() const
+{
+  glActiveTexture(GL_TEXTURE0+textureNumber);
+}
+
+} // namespace gl
+
+#endif