Python GPU: Add reference of PyObject GPU object to the GPU object itself

Instead of creating different python wrappers for the same GPU object,
return the same `PyObject` created earlier.

This also allows for more secure access to existing GPU objects.

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D11044

1 files changed, 5 insertions, 0 deletions

diff --git a/source/blender/gpu/GPU_framebuffer.h b/source/blender/gpu/GPU_framebuffer.h
index af94c1fb0e6..ccab80c5702 100644
--- a/source/blender/gpu/GPU_framebuffer.h
+++ b/source/blender/gpu/GPU_framebuffer.h
@@ -209,6 +209,11 @@ void GPU_framebuffer_recursive_downsample(GPUFrameBuffer *fb,
                                           void (*callback)(void *userData, int level),
                                           void *userData);
 
+#if USE_PY_REFERENCES
+void **GPU_framebuffer_py_reference_get(GPUFrameBuffer *gpu_fb);
+void GPU_framebuffer_py_reference_set(GPUFrameBuffer *gpu_fb, void **py_ref);
+#endif
+
 void GPU_framebuffer_push(GPUFrameBuffer *fb);
 GPUFrameBuffer *GPU_framebuffer_pop(void);
 uint GPU_framebuffer_stack_level_get(void);