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GBA Video: Fix regressions from sprite cycle counting

This commit is contained in:
Jeffrey Pfau 2016-01-06 20:43:36 -08:00
parent 95d77f76e2
commit ee5c9c8a91
1 changed files with 19 additions and 9 deletions
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28
src/gba/renderers/software-obj.c
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@ -12,6 +12,7 @@
if (!(renderer->row[outX] & FLAG_UNWRITTEN)) { \
continue; \
} \
renderer->spriteCyclesRemaining -= 1; \
SPRITE_XBASE_ ## DEPTH(inX); \
SPRITE_DRAW_PIXEL_ ## DEPTH ## _ ## TYPE(inX); \
}
@ -44,10 +45,11 @@
unsigned tileData; \
unsigned widthMask = ~(width - 1); \
unsigned heightMask = ~(height - 1); \
for (; outX < x + totalWidth && outX < end; ++outX, ++inX) { \
for (; outX < condition; ++outX, ++inX) { \
if (!(renderer->row[outX] & FLAG_UNWRITTEN)) { \
continue; \
} \
renderer->spriteCyclesRemaining -= 2; \
xAccum += mat.a; \
yAccum += mat.c; \
int localX = (xAccum >> 8) + (width >> 1); \
@ -147,6 +149,10 @@ int GBAVideoSoftwareRendererPreprocessSprite(struct GBAVideoSoftwareRenderer* re
if (GBARegisterDISPCNTGetMode(renderer->dispcnt) >= 3 && GBAObjAttributesCGetTile(sprite->c) < 512) {
return 0;
}
if (renderer->spriteCyclesRemaining <= 0) {
return 0;
}
int variant = renderer->target1Obj &&
GBAWindowControlIsBlendEnable(renderer->currentWindow.packed) &&
(renderer->blendEffect == BLEND_BRIGHTEN || renderer->blendEffect == BLEND_DARKEN);
@ -178,10 +184,7 @@ int GBAVideoSoftwareRendererPreprocessSprite(struct GBAVideoSoftwareRenderer* re
if (GBAObjAttributesAIsTransformed(sprite->a)) {
int totalWidth = width << GBAObjAttributesAGetDoubleSize(sprite->a);
int totalHeight = height << GBAObjAttributesAGetDoubleSize(sprite->a);
renderer->spriteCyclesRemaining -= 10 + totalWidth * 2;
if (renderer->spriteCyclesRemaining <= 0) {
return 0;
}
renderer->spriteCyclesRemaining -= 10;
struct GBAOAMMatrix mat;
LOAD_16(mat.a, 0, &renderer->d.oam->mat[GBAObjAttributesBGetMatIndex(sprite->b)].a);
LOAD_16(mat.b, 0, &renderer->d.oam->mat[GBAObjAttributesBGetMatIndex(sprite->b)].b);
@ -192,10 +195,15 @@ int GBAVideoSoftwareRendererPreprocessSprite(struct GBAVideoSoftwareRenderer* re
inY += 256;
}
int outX = x >= start ? x : start;
int condition = x + totalWidth;
int inX = outX - x;
int xAccum = mat.a * (inX - 1 - (totalWidth >> 1)) + mat.b * (inY - (totalHeight >> 1));
int yAccum = mat.c * (inX - 1 - (totalWidth >> 1)) + mat.d * (inY - (totalHeight >> 1));
if (end < condition) {
condition = end;
}
if (!GBAObjAttributesAIs256Color(sprite->a)) {
palette = &palette[GBAObjAttributesCGetPalette(sprite->c) << 4];
if (flags & FLAG_OBJWIN) {
@ -215,11 +223,10 @@ int GBAVideoSoftwareRendererPreprocessSprite(struct GBAVideoSoftwareRenderer* re
SPRITE_TRANSFORMED_LOOP(256, NORMAL);
}
}
} else {
renderer->spriteCyclesRemaining -= width;
if (renderer->spriteCyclesRemaining <= 0) {
return 0;
if (x + totalWidth > VIDEO_HORIZONTAL_PIXELS) {
renderer->spriteCyclesRemaining -= (x + totalWidth - VIDEO_HORIZONTAL_PIXELS) * 2;
}
} else {
int outX = x >= start ? x : start;
int condition = x + width;
int mosaicH = 1;
@ -277,6 +284,9 @@ int GBAVideoSoftwareRendererPreprocessSprite(struct GBAVideoSoftwareRenderer* re
SPRITE_NORMAL_LOOP(256, NORMAL);
}
}
if (x + width > VIDEO_HORIZONTAL_PIXELS) {
renderer->spriteCyclesRemaining -= x + width - VIDEO_HORIZONTAL_PIXELS;
}
}
return 1;
}