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This minor refactor allows pixels to be fetched from a GPU FBO, then to save those pixels as an EXR file on the CPU without roundtripping through an ofFloatImage, which depends on OpenGL. Which means that the slow "save to disk" process can happen on a worker thread once the pixels have been fetched.
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This minor refactor allows pixels to be fetched from a GPU FBO, then to save those pixels as an EXR file on the CPU without roundtripping through an ofFloatImage, which depends on OpenGL. Which means that the slow "save to disk" process can happen on a worker thread once the pixels have been fetched.