diff --git a/src/libprojectM/ProjectM.cpp b/src/libprojectM/ProjectM.cpp
index e3bc48f3c..7d99a509a 100644
--- a/src/libprojectM/ProjectM.cpp
+++ b/src/libprojectM/ProjectM.cpp
@@ -184,6 +184,13 @@ void ProjectM::ReadSettings(const class Settings& settings)
     Initialize();
 }
 
+
+void ProjectM::DumpDebugImageOnNextFrame()
+{
+    m_renderer->writeNextFrameToFile = true;
+}
+
+
 #if USE_THREADS
 
 void ProjectM::ThreadWorker()
diff --git a/src/libprojectM/ProjectM.hpp b/src/libprojectM/ProjectM.hpp
index e138bf090..4e5527f72 100644
--- a/src/libprojectM/ProjectM.hpp
+++ b/src/libprojectM/ProjectM.hpp
@@ -270,6 +270,13 @@ public:
 
     void DefaultKeyHandler(projectMEvent event, projectMKeycode keycode);
 
+    /**
+     * @brief Dumps a debug image to the working dir when the next frame is rendered.
+     *
+     * The main texture is dumped after render pass 1, e.g. before shaders are applied.
+     */
+    void DumpDebugImageOnNextFrame();
+
 private:
     void EvaluateSecondPreset();
 
diff --git a/src/libprojectM/ProjectMCWrapper.cpp b/src/libprojectM/ProjectMCWrapper.cpp
index 1aaa7d55a..1f82ef36f 100644
--- a/src/libprojectM/ProjectMCWrapper.cpp
+++ b/src/libprojectM/ProjectMCWrapper.cpp
@@ -674,3 +674,10 @@ auto projectm_pcm_add_uint8(projectm_handle instance, const uint8_t* samples, un
 {
     PcmAdd(instance, samples, count, channels);
 }
+
+auto projectm_write_debug_image_on_next_frame(projectm_handle instance) -> void
+{
+    auto* projectMInstance = handle_to_instance(instance);
+
+    projectMInstance->DumpDebugImageOnNextFrame();
+}
\ No newline at end of file
diff --git a/src/libprojectM/projectM.h b/src/libprojectM/projectM.h
index 379d24714..764799a32 100644
--- a/src/libprojectM/projectM.h
+++ b/src/libprojectM/projectM.h
@@ -923,6 +923,15 @@ PROJECTM_EXPORT void projectm_pcm_add_int16(projectm_handle instance, const int1
 PROJECTM_EXPORT void projectm_pcm_add_uint8(projectm_handle instance, const uint8_t* samples,
                                                      unsigned int count, projectm_channels channels);
 
+/**
+ * @brief Writes a .bmp framedump after rendering the next main texture, before shaders are applied.
+ *
+ * The image is written to the current working directory and is named "frame_texture_contents-[date].bmp".
+ *
+ * @param instance The projectM instance handle.
+ */
+PROJECTM_EXPORT void projectm_write_debug_image_on_next_frame(projectm_handle instance);
+
 #ifdef __cplusplus
 } // extern "C"
 #endif