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fixing issue where graphics mode 5 failing to display anything

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This commit is contained in:
minjaesong
2025-12-09 22:34:56 +09:00
parent f1d1e36164
commit 2d6167393a
1 changed files with 4 additions and 4 deletions
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8
tsvm_core/src/net/torvald/tsvm/GraphicsJSR223Delegate.kt
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@@ -1505,7 +1505,7 @@ class GraphicsJSR223Delegate(private val vm: VM) {
null, gpu.framebuffer2!!.ptr + nativePos, pixelsInChunk.toLong() null, gpu.framebuffer2!!.ptr + nativePos, pixelsInChunk.toLong()
) )
} }
else { else if (graphicsMode == 8) {
UnsafeHelper.memcpyRaw( UnsafeHelper.memcpyRaw(
rChunk, UnsafeHelper.getArrayOffset(rChunk), rChunk, UnsafeHelper.getArrayOffset(rChunk),
null, gpu.framebuffer.ptr + nativePos, pixelsInChunk.toLong() null, gpu.framebuffer.ptr + nativePos, pixelsInChunk.toLong()
@@ -1539,16 +1539,16 @@ class GraphicsJSR223Delegate(private val vm: VM) {
baChunk[i] = ((b4 shl 4) or coordInVideoFrame.toInt().times(15)).toByte() baChunk[i] = ((b4 shl 4) or coordInVideoFrame.toInt().times(15)).toByte()
} }
else if (graphicsMode == 5) { else if (graphicsMode == 5) {
// Apply Bayer dithering and convert to 4-bit // Apply Bayer dithering and convert to 5-bit
val r5 = ditherValue5(r, videoX, videoY, frameCount) val r5 = ditherValue5(r, videoX, videoY, frameCount)
val g5 = ditherValue5(g, videoX, videoY, frameCount) val g5 = ditherValue5(g, videoX, videoY, frameCount)
val b5 = ditherValue5(b, videoX, videoY, frameCount) val b5 = ditherValue5(b, videoX, videoY, frameCount)
// Pack RGB values and store in chunk arrays for batch processing // Pack RGB values and store in chunk arrays for batch processing
rgChunk[i] = (coordInVideoFrame.toInt(8) or r5.shl(2) or g5.ushr(3)).toByte() rgChunk[i] = (coordInVideoFrame.toInt(7) or r5.shl(2) or g5.ushr(3)).toByte()
baChunk[i] = (g5.and(7).shl(5) or b5).toByte() baChunk[i] = (g5.and(7).shl(5) or b5).toByte()
} }
else { else if (graphicsMode == 8) {
rChunk[i] = r.toByte() rChunk[i] = r.toByte()
gChunk[i] = g.toByte() gChunk[i] = g.toByte()
bChunk[i] = b.toByte() bChunk[i] = b.toByte()