diff --git a/include/libcamera/internal/egl.h b/include/libcamera/internal/egl.h
index 64196213a..1e31d490b 100644
--- a/include/libcamera/internal/egl.h
+++ b/include/libcamera/internal/egl.h
@@ -108,6 +108,7 @@ public:
 	int createInputDMABufTexture2D(eGLImage &eglImage, int fd);
 	int createOutputDMABufTexture2D(eGLImage &eglImage, int fd);
 	void createTexture2D(eGLImage &eglImage, void *data);
+	void updateTexture2D(eGLImage &eglImage, void *data);
 	void createOutputTexture2D(eGLImage &eglImage);
 
 	int attachTextureToFBO(eGLImage &eglImage);
diff --git a/src/libcamera/egl.cpp b/src/libcamera/egl.cpp
index 0726b63f2..7ec7a654d 100644
--- a/src/libcamera/egl.cpp
+++ b/src/libcamera/egl.cpp
@@ -343,6 +343,23 @@ bool eGL::isAvailable()
 	return true;
 }
 
+/**
+ * \brief Update a 2D texture already created
+ * \param[in,out] eglImage EGL image to associate with the texture
+ * \param[data] Data to update the texture with
+ *
+ * Updates a 2D texture in VRAM.
+ */
+void eGL::updateTexture2D(eGLImage &eglImage, void *data)
+{
+	ASSERT(tid_ == Thread::currentId());
+
+	activateBindTexture(eglImage);
+
+	// Update an already existing texture
+	glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, eglImage.width_, eglImage.height_, eglImage.format_, GL_UNSIGNED_BYTE, data);
+}
+
 /**
  * \brief Create a 2D texture attached to an FBO for render-to-texture
  * \param[in,out] eglImage EGL image to associate with the texture