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Fix Exception: Only able to fetch buffer data directly from an internal server. Try #'buffer-read instead. #34

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Fix Exception: Only able to fetch buffer data directly from an internal server. Try #'buffer-read instead. #34

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11 changes: 9 additions & 2 deletions src/shadertone/tone.clj
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Original file line number Diff line number Diff line change
Expand Up @@ -94,6 +94,13 @@
(defonce fft-bus-synth
(bus-freqs->buf [:after (foundation-monitor-group)] 0 fft-buf))

(defn- buffer-data-read
"Read buffer data from internal or external server, depending on the operation mode"
[buf]
(if (server/internal-server?)
(buffer-data buf)
(buffer-read buf)))

;; user-fn for shader display of waveform and fft
(defn tone-fftwave-fn
"The shader display will call this routine on every draw. Update
Expand Down Expand Up @@ -124,8 +131,8 @@
(do
(if (buffer-live? wave-buf) ;; FIXME? assume fft-buf is live
(-> ^FloatBuffer fftwave-float-buf
(.put ^floats (buffer-data fft-buf))
(.put ^floats (buffer-data wave-buf))
(.put ^floats (buffer-data-read fft-buf))
(.put ^floats (buffer-data-read wave-buf))
(.flip)))
(GL13/glActiveTexture (+ GL13/GL_TEXTURE0 @fftwave-tex-num))
(GL11/glBindTexture GL11/GL_TEXTURE_2D @fftwave-tex-id)
Expand Down