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interlacing optimisation with more memcpy

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minjaesong
2025-09-02 19:47:03 +09:00
parent b8311685d7
commit 4fb849d794
5 changed files with 134 additions and 99 deletions
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3
assets/disk0/tvdos/bin/playtev.js
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@@ -582,7 +582,8 @@ try {
// Hardware-accelerated TEV decoding to RGB buffers (YCoCg-R or XYB based on version)
try {
let decodeStart = sys.nanoTime()
graphics.tevDecode(blockDataPtr, CURRENT_RGB_ADDR, PREV_RGB_ADDR, width, height, [qualityY, qualityCo, qualityCg], frameCount, debugMotionVectors, version, isInterlaced, TEMP_FIELD_BUFFER, PREV_FIELD_BUFFER)
let decodingHeight = isInterlaced ? (height / 2)|0 : height
graphics.tevDecode(blockDataPtr, CURRENT_RGB_ADDR, PREV_RGB_ADDR, width, decodingHeight, [qualityY, qualityCo, qualityCg], frameCount, debugMotionVectors, version, isInterlaced, TEMP_FIELD_BUFFER, PREV_FIELD_BUFFER)
decodeTime = (sys.nanoTime() - decodeStart) / 1000000.0 // Convert to milliseconds
// Upload RGB buffer to display framebuffer with dithering