ShuriZma
/
mgba
mirror of https://github.com/mgba-emu/mgba.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

GB: Only draw full background when not covered by a window

This commit is contained in:
Jeffrey Pfau 2016-02-22 20:57:20 -08:00
parent 883bf55660
commit 63f14876c5
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/gb/renderers/software.c
View File

@ -109,14 +109,18 @@ static void GBVideoSoftwareRendererDrawRange(struct GBVideoRenderer* renderer, i
maps += GB_SIZE_MAP;
}
if (GBRegisterLCDCIsBgEnable(softwareRenderer->lcdc)) {
GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, startX, endX, y, softwareRenderer->scx, softwareRenderer->scy);
if (GBRegisterLCDCIsWindow(softwareRenderer->lcdc) && softwareRenderer->wy <= y && endX >= softwareRenderer->wx - 7) {
if (softwareRenderer->wx - 7 > 0) {
GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, startX, softwareRenderer->wx - 7, y, softwareRenderer->scx, softwareRenderer->scy);
}
maps = &softwareRenderer->d.vram[GB_BASE_MAP];
if (GBRegisterLCDCIsWindowTileMap(softwareRenderer->lcdc)) {
maps += GB_SIZE_MAP;
}
GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, softwareRenderer->wx - 7, endX, y, 7 - softwareRenderer->wx, (softwareRenderer->currentWy - y) - softwareRenderer->wy);
} else {
GBVideoSoftwareRendererDrawBackground(softwareRenderer, maps, startX, endX, y, softwareRenderer->scx, softwareRenderer->scy);
}
} else {
memset(&softwareRenderer->row[startX], 0, endX - startX);