1 files changed, 20 insertions, 0 deletions
diff --git a/tests/OffscreenContext.h b/tests/OffscreenContext.h
new file mode 100644
index 0000000..f1c7123
--- /dev/null
+++ b/tests/OffscreenContext.h
@@ -0,0 +1,20 @@
+#ifndef OFFSCREENCONTEXT_H_
+#define OFFSCREENCONTEXT_H_
+
+#ifdef Q_WS_MAC
+#include <OpenGL/OpenGL.h>
+#else
+#include <GL/glew.h>
+#include <GL/gl.h>
+#endif
+
+#include <iostream>         // for error output
+
+#define REPORTGLERROR(task) { GLenum tGLErr = glGetError(); if (tGLErr != GL_NO_ERROR) { std::cout << "OpenGL error " << tGLErr << " while " << task << "\n"; } }
+
+struct OffscreenContext *create_offscreen_context(int w, int h);
+void bind_offscreen_context(OffscreenContext *ctx);
+bool teardown_offscreen_context(OffscreenContext *ctx);
+bool save_framebuffer(OffscreenContext *ctx, const char *filename);
+
+#endif