Fix T64578: Cycles clamps HDR colors for 16bit integer image with colorspace
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blender-bot
2023-02-14 08:08:56 +01:00
Referenced by issue #64578, Correct 16bit byte image transform to scene-linear in Eevee, but not in Cycles
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@ -186,6 +186,15 @@ void ImageManager::metadata_detect_colorspace(ImageMetaData &metadata, const cha
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* due to quantization in common cases. */
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metadata.compress_as_srgb = (metadata.type == IMAGE_DATA_TYPE_BYTE ||
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metadata.type == IMAGE_DATA_TYPE_BYTE4);
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/* If colorspace conversion needed, use half instead of short so we can
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* represent HDR values that might result from conversion. */
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if (metadata.type == IMAGE_DATA_TYPE_USHORT) {
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metadata.type = IMAGE_DATA_TYPE_HALF;
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}
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else if (metadata.type == IMAGE_DATA_TYPE_USHORT4) {
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metadata.type = IMAGE_DATA_TYPE_HALF4;
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}
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}
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}
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