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Fix WIN0 cases

This commit is contained in:
Jeffrey Pfau 2013-07-31 00:24:21 -07:00
parent 5a685558c7
commit 0939d5e2bc
1 changed files with 27 additions and 20 deletions
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47
src/gba/renderers/video-software.c
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@ -781,7 +781,7 @@ static void _composite(struct GBAVideoSoftwareRenderer* renderer, int offset, ui
}
static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int y) {
int inX = background->x;
int inX = renderer->start + background->x;
int inY = y + background->y;
union GBATextMapData mapData;
@ -806,20 +806,21 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
int variant = background->target1 && renderer->currentWindow.blendEnable && (renderer->blendEffect == BLEND_BRIGHTEN || renderer->blendEffect == BLEND_DARKEN);
int outX = renderer->start;
int tileX = outX >> 3;
int tileEnd = renderer->end >> 3;
int tileX = 0;
int tileEnd = (renderer->end - renderer->start + (inX & 0x7)) >> 3;
if (inX & 0x7) {
uint32_t tileData;
int pixelData, paletteData;
int mod8 = inX & 0x7;
BACKGROUND_TEXT_SELECT_CHARACTER;
int end = 0x8 - (inX & 0x7);
int end = outX + 0x8 - mod8;
if (!background->multipalette) {
paletteData = mapData.palette << 4;
charBase = ((background->charBase + (mapData.tile << 5)) >> 2) + localY;
tileData = ((uint32_t*)renderer->d.vram)[charBase];
if (!mapData.hflip) {
tileData >>= 4 * (inX & 0x7);
tileData >>= 4 * mod8;
if (!variant) {
for (; outX < end; ++outX) {
BACKGROUND_DRAW_PIXEL_16_NORMAL;
@ -831,11 +832,11 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
}
} else {
if (!variant) {
for (outX = end; outX--;) {
for (outX = end - 1; outX >= renderer->start; --outX) {
BACKGROUND_DRAW_PIXEL_16_NORMAL;
}
} else {
for (outX = end; outX--;) {
for (outX = end - 1; outX >= renderer->start; --outX) {
BACKGROUND_DRAW_PIXEL_16_VARIANT;
}
}
@ -872,31 +873,37 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
}
}
}
}
if (inX & 0x7 || (renderer->end - renderer->start) & 0x7) {
tileX = tileEnd;
uint32_t tileData;
int pixelData, paletteData;
int mod8 = (inX + renderer->end - renderer->start) & 0x7;
BACKGROUND_TEXT_SELECT_CHARACTER;
int end = 0x8 - mod8;
if (!background->multipalette) {
charBase = ((background->charBase + (mapData.tile << 5)) >> 2) + localY;
tileData = ((uint32_t*)renderer->d.vram)[charBase];
paletteData = mapData.palette << 4;
if (!mapData.hflip) {
if (!variant) {
for (outX = VIDEO_HORIZONTAL_PIXELS - 8 + end; outX < VIDEO_HORIZONTAL_PIXELS; ++outX) {
for (outX = renderer->end - mod8; outX < renderer->end; ++outX) {
BACKGROUND_DRAW_PIXEL_16_NORMAL;
}
} else {
for (outX = VIDEO_HORIZONTAL_PIXELS - 8 + end; outX < VIDEO_HORIZONTAL_PIXELS; ++outX) {
for (outX = renderer->end - mod8; outX < renderer->end; ++outX) {
BACKGROUND_DRAW_PIXEL_16_VARIANT;
}
}
} else {
tileData >>= 4 * end;
tileData >>= 4 * (0x8 - mod8);
if (!variant) {
for (outX = VIDEO_HORIZONTAL_PIXELS - 1; outX > VIDEO_HORIZONTAL_PIXELS - 8; --outX) {
for (outX = renderer->end - 1; outX > renderer->end - 8; --outX) {
BACKGROUND_DRAW_PIXEL_16_NORMAL;
}
} else {
for (outX = VIDEO_HORIZONTAL_PIXELS - 1; outX > VIDEO_HORIZONTAL_PIXELS - 8; --outX) {
for (outX = renderer->end - 1; outX > renderer->end - 8; --outX) {
BACKGROUND_DRAW_PIXEL_16_VARIANT;
}
}
@ -904,16 +911,16 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
} else {
// TODO: hflip
charBase = ((background->charBase + (mapData.tile << 6)) >> 2) + (localY << 1);
outX = VIDEO_HORIZONTAL_PIXELS - 8 + end;
outX = renderer->end - 8 + end;
int end2 = 4 - end;
if (end2 > 0) {
tileData = ((uint32_t*)renderer->d.vram)[charBase];
if (!variant) {
for (; outX < VIDEO_HORIZONTAL_PIXELS - end2; ++outX) {
for (; outX < renderer->end - end2; ++outX) {
BACKGROUND_DRAW_PIXEL_256_NORMAL;
}
} else {
for (; outX < VIDEO_HORIZONTAL_PIXELS - end2; ++outX) {
for (; outX < renderer->end - end2; ++outX) {
BACKGROUND_DRAW_PIXEL_256_VARIANT;
}
}
@ -922,18 +929,18 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
tileData = ((uint32_t*)renderer->d.vram)[charBase];
if (!variant) {
for (; outX < VIDEO_HORIZONTAL_PIXELS; ++outX) {
for (; outX < renderer->end; ++outX) {
BACKGROUND_DRAW_PIXEL_256_NORMAL;
}
} else {
for (; outX < VIDEO_HORIZONTAL_PIXELS; ++outX) {
for (; outX < renderer->end; ++outX) {
BACKGROUND_DRAW_PIXEL_256_VARIANT;
}
}
}
tileX = 1;
outX = end;
tileX = (inX & 0x7) != 0;
outX = renderer->start + tileX * 8 - (inX & 0x7);
}
if (!background->multipalette) {