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app: in Luminance mode, cache RGBA -> Y fish
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@ -868,17 +868,21 @@ gimp_operation_layer_mode_blend_luminance (const gfloat *in,
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gfloat *comp,
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gint samples)
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{
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gfloat *scratch;
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gfloat *in_Y;
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gfloat *layer_Y;
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static const Babl *fish;
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gfloat *scratch;
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gfloat *in_Y;
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gfloat *layer_Y;
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if (! fish)
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fish = babl_fish ("RGBA float", "Y float");
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scratch = gimp_scratch_new (gfloat, 2 * samples);
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in_Y = scratch;
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layer_Y = scratch + samples;
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babl_process (babl_fish ("RGBA float", "Y float"), in, in_Y, samples);
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babl_process (babl_fish ("RGBA float", "Y float"), layer, layer_Y, samples);
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babl_process (fish, in, in_Y, samples);
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babl_process (fish, layer, layer_Y, samples);
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while (samples--)
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{
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