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PPU Mosaic fixes imported from higan

This commit is contained in:
Ruslan Tretiakov 2020-09-30 07:27:37 -04:00 committed by Screwtapello
parent 9517080349
commit fcc982dff0
2 changed files with 12 additions and 12 deletions
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12
bsnes/sfc/ppu-fast/background.cpp
View File

@ -28,13 +28,13 @@ auto PPU::Line::renderBackground(PPU::IO::Background& self, uint8 source) -> voi
uint vmask = (width << self.tileSize << !!(self.screenSize & 2)) - 1;
uint y = this->y;
if(self.mosaicEnable) y -= io.mosaic.size - io.mosaic.counter;
if(hires) {
hscroll <<= 1;
if(io.interlace) {
y = y << 1 | field();
if(self.mosaicEnable) y -= io.mosaic.size - io.mosaic.counter + field();
}
if(io.interlace) y = y << 1 | (field() && !self.mosaicEnable);
}
if(self.mosaicEnable) {
y -= (io.mosaic.size - io.mosaic.counter) << (hires && io.interlace);
}
uint mosaicCounter = 1;
@ -112,7 +112,7 @@ auto PPU::Line::renderBackground(PPU::IO::Background& self, uint8 source) -> voi
color += data >> shift + 49 & 128;
}
mosaicCounter = self.mosaicEnable ? io.mosaic.size : 1;
mosaicCounter = self.mosaicEnable ? io.mosaic.size << hires : 1;
mosaicPalette = color;
mosaicPriority = tilePriority;
if(directColorMode) {

12
bsnes/sfc/ppu/background.cpp
View File

@ -37,13 +37,12 @@ auto PPU::Background::fetchNameTable() -> void {
uint hscroll = io.hoffset;
uint vscroll = io.voffset;
if(mosaic.enable) vpixel -= ppu.mosaic.voffset();
if(hires()) {
hscroll <<= 1;
if(ppu.io.interlace) {
vpixel = vpixel << 1 | ppu.field();
if(mosaic.enable) vpixel -= ppu.mosaic.voffset() + ppu.field();
}
if(ppu.io.interlace) vpixel = vpixel << 1 | (ppu.field() && !mosaic.enable);
}
if(mosaic.enable) {
vpixel -= ppu.mosaic.voffset() << (hires() && ppu.io.interlace);
}
bool repeated = false;
@ -197,7 +196,8 @@ auto PPU::Background::run(bool screen) -> void {
if(++pixelCounter == 0) renderingIndex++;
uint x = ppu.hcounter() - 56 >> 2;
if(x == 0) {
if(x == 0 && (!hires() || screen == Screen::Below)) {
mosaic.hcounter = ppu.mosaic.size;
mosaic.pixel = pixel;
} else if((!hires() || screen == Screen::Below) && --mosaic.hcounter == 0) {