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Split out OBJ attributes and load memory with proper translation

This commit is contained in:
Jeffrey Pfau 2014-10-02 00:41:41 -07:00
parent b0726d0185
commit 935182fdc4
2 changed files with 71 additions and 64 deletions
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45
src/gba/gba-video.h
View File

@ -43,30 +43,33 @@ enum ObjShape {
OBJ_SHAPE_VERTICAL = 2
};
DECL_BITFIELD(GBAObjAttributes, uint32_t);
DECL_BITS(GBAObjAttributes, Y, 0, 8);
DECL_BIT(GBAObjAttributes, Transformed, 8);
DECL_BIT(GBAObjAttributes, Disable, 9);
DECL_BIT(GBAObjAttributes, DoubleSize, 9);
DECL_BITS(GBAObjAttributes, Mode, 10, 2);
DECL_BIT(GBAObjAttributes, Mosaic, 12);
DECL_BIT(GBAObjAttributes, 256Color, 13);
DECL_BITS(GBAObjAttributes, Shape, 14, 2);
DECL_BITS(GBAObjAttributes, X, 16, 9);
DECL_BITS(GBAObjAttributes, MatIndex, 25, 5);
DECL_BIT(GBAObjAttributes, HFlip, 28);
DECL_BIT(GBAObjAttributes, VFlip, 29);
DECL_BITS(GBAObjAttributes, Size, 30, 2);
DECL_BITFIELD(GBAObjAttributesA, uint16_t);
DECL_BITS(GBAObjAttributesA, Y, 0, 8);
DECL_BIT(GBAObjAttributesA, Transformed, 8);
DECL_BIT(GBAObjAttributesA, Disable, 9);
DECL_BIT(GBAObjAttributesA, DoubleSize, 9);
DECL_BITS(GBAObjAttributesA, Mode, 10, 2);
DECL_BIT(GBAObjAttributesA, Mosaic, 12);
DECL_BIT(GBAObjAttributesA, 256Color, 13);
DECL_BITS(GBAObjAttributesA, Shape, 14, 2);
DECL_BITFIELD(GBAObjExtraAttributes, uint16_t);
DECL_BITS(GBAObjExtraAttributes, Tile, 0, 10);
DECL_BITS(GBAObjExtraAttributes, Priority, 10, 2);
DECL_BITS(GBAObjExtraAttributes, Palette, 12, 4);
DECL_BITFIELD(GBAObjAttributesB, uint16_t);
DECL_BITS(GBAObjAttributesB, X, 0, 9);
DECL_BITS(GBAObjAttributesB, MatIndex, 9, 5);
DECL_BIT(GBAObjAttributesB, HFlip, 12);
DECL_BIT(GBAObjAttributesB, VFlip, 13);
DECL_BITS(GBAObjAttributesB, Size, 14, 2);
DECL_BITFIELD(GBAObjAttributesC, uint16_t);
DECL_BITS(GBAObjAttributesC, Tile, 0, 10);
DECL_BITS(GBAObjAttributesC, Priority, 10, 2);
DECL_BITS(GBAObjAttributesC, Palette, 12, 4);
struct GBAObj {
GBAObjAttributes attr;
GBAObjExtraAttributes attr2;
GBAObjAttributesA a;
GBAObjAttributesB b;
GBAObjAttributesC c;
uint16_t d;
};

90
src/gba/renderers/video-software.c
View File

@ -394,16 +394,20 @@ static void _cleanOAM(struct GBAVideoSoftwareRenderer* renderer) {
int i;
int oamMax = 0;
for (i = 0; i < 128; ++i) {
struct GBAObj* obj = &renderer->d.oam->obj[i];
if (GBAObjAttributesIsTransformed(obj->attr) || !GBAObjAttributesIsDisable(obj->attr)) {
int height = _objSizes[GBAObjAttributesGetShape(obj->attr) * 8 + GBAObjAttributesGetSize(obj->attr) * 2 + 1];
if (GBAObjAttributesIsTransformed(obj->attr)) {
height <<= GBAObjAttributesGetDoubleSize(obj->attr);
struct GBAObj obj;
LOAD_16(obj.a, 0, &renderer->d.oam->obj[i].a);
LOAD_16(obj.b, 0, &renderer->d.oam->obj[i].b);
LOAD_16(obj.c, 0, &renderer->d.oam->obj[i].c);
LOAD_16(obj.d, 0, &renderer->d.oam->obj[i].d);
if (GBAObjAttributesAIsTransformed(obj.a) || !GBAObjAttributesAIsDisable(obj.a)) {
int height = _objSizes[GBAObjAttributesAGetShape(obj.a) * 8 + GBAObjAttributesBGetSize(obj.b) * 2 + 1];
if (GBAObjAttributesAIsTransformed(obj.a)) {
height <<= GBAObjAttributesAGetDoubleSize(obj.a);
}
if (GBAObjAttributesGetY(obj->attr) < VIDEO_VERTICAL_PIXELS || GBAObjAttributesGetY(obj->attr) + height >= VIDEO_VERTICAL_TOTAL_PIXELS) {
renderer->sprites[oamMax].y = GBAObjAttributesGetY(obj->attr);
renderer->sprites[oamMax].endY = GBAObjAttributesGetY(obj->attr) + height;
renderer->sprites[oamMax].obj = *obj;
if (GBAObjAttributesAGetY(obj.a) < VIDEO_VERTICAL_PIXELS || GBAObjAttributesAGetY(obj.a) + height >= VIDEO_VERTICAL_TOTAL_PIXELS) {
renderer->sprites[oamMax].y = GBAObjAttributesAGetY(obj.a);
renderer->sprites[oamMax].endY = GBAObjAttributesAGetY(obj.a) + height;
renderer->sprites[oamMax].obj = obj;
++oamMax;
}
}
@ -653,18 +657,18 @@ static void _drawScanline(struct GBAVideoSoftwareRenderer* renderer, int y) {
for (i = 0; i < renderer->oamMax; ++i) {
int localY = y;
struct GBAVideoSoftwareSprite* sprite = &renderer->sprites[i];
if (GBAObjAttributesIsMosaic(sprite->obj.attr)) {
if (GBAObjAttributesAIsMosaic(sprite->obj.a)) {
localY = mosaicY;
}
if ((localY < sprite->y && (sprite->endY - 256 < 0 || localY >= sprite->endY - 256)) || localY >= sprite->endY) {
continue;
}
if (GBAObjAttributesIsTransformed(sprite->obj.attr)) {
if (GBAObjAttributesAIsTransformed(sprite->obj.a)) {
drawn = _preprocessTransformedSprite(renderer, &sprite->obj, localY);
} else {
drawn = _preprocessSprite(renderer, &sprite->obj, localY);
}
spriteLayers |= drawn << GBAObjExtraAttributesGetPriority(sprite->obj.attr2);
spriteLayers |= drawn << GBAObjAttributesCGetPriority(sprite->obj.c);
}
}
}
@ -1514,18 +1518,18 @@ static void _drawBackgroundMode5(struct GBAVideoSoftwareRenderer* renderer, stru
}
static int _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y) {
int width = _objSizes[GBAObjAttributesGetShape(sprite->attr) * 8 + GBAObjAttributesGetSize(sprite->attr) * 2];
int height = _objSizes[GBAObjAttributesGetShape(sprite->attr) * 8 + GBAObjAttributesGetSize(sprite->attr) * 2 + 1];
int width = _objSizes[GBAObjAttributesAGetShape(sprite->a) * 8 + GBAObjAttributesBGetSize(sprite->b) * 2];
int height = _objSizes[GBAObjAttributesAGetShape(sprite->a) * 8 + GBAObjAttributesBGetSize(sprite->b) * 2 + 1];
int start = renderer->start;
int end = renderer->end;
uint32_t flags = GBAObjExtraAttributesGetPriority(sprite->attr2) << OFFSET_PRIORITY;
flags |= FLAG_TARGET_1 * ((renderer->currentWindow.blendEnable && renderer->target1Obj && renderer->blendEffect == BLEND_ALPHA) || GBAObjAttributesGetMode(sprite->attr) == OBJ_MODE_SEMITRANSPARENT);
flags |= FLAG_OBJWIN * (GBAObjAttributesGetMode(sprite->attr) == OBJ_MODE_OBJWIN);
int x = GBAObjAttributesGetX(sprite->attr);
uint32_t flags = GBAObjAttributesCGetPriority(sprite->c) << OFFSET_PRIORITY;
flags |= FLAG_TARGET_1 * ((renderer->currentWindow.blendEnable && renderer->target1Obj && renderer->blendEffect == BLEND_ALPHA) || GBAObjAttributesAGetMode(sprite->a) == OBJ_MODE_SEMITRANSPARENT);
flags |= FLAG_OBJWIN * (GBAObjAttributesAGetMode(sprite->a) == OBJ_MODE_OBJWIN);
int x = GBAObjAttributesBGetX(sprite->b);
uint16_t* vramBase = &renderer->d.vram[BASE_TILE >> 1];
unsigned charBase = GBAObjExtraAttributesGetTile(sprite->attr2) * 0x20;
unsigned charBase = GBAObjAttributesCGetTile(sprite->c) * 0x20;
int variant = renderer->target1Obj && renderer->currentWindow.blendEnable && (renderer->blendEffect == BLEND_BRIGHTEN || renderer->blendEffect == BLEND_DARKEN);
if (GBAObjAttributesGetMode(sprite->attr) == OBJ_MODE_SEMITRANSPARENT && renderer->target2Bd) {
if (GBAObjAttributesAGetMode(sprite->a) == OBJ_MODE_SEMITRANSPARENT && renderer->target2Bd) {
// Hack: if a sprite is blended, then the variant palette is not used, but we don't know if it's blended in advance
variant = 0;
}
@ -1537,17 +1541,17 @@ static int _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct G
int outX = x >= start ? x : start;
int condition = x + width;
int mosaicH = 1;
if (GBAObjAttributesIsMosaic(sprite->attr)) {
if (GBAObjAttributesAIsMosaic(sprite->a)) {
mosaicH = renderer->mosaic.objH + 1;
if (condition % mosaicH) {
condition += mosaicH - (condition % mosaicH);
}
}
int inY = y - (int) GBAObjAttributesGetY(sprite->attr);
if ((int) GBAObjAttributesGetY(sprite->attr) + height - 256 >= 0) {
int inY = y - (int) GBAObjAttributesAGetY(sprite->a);
if ((int) GBAObjAttributesAGetY(sprite->a) + height - 256 >= 0) {
inY += 256;
}
if (GBAObjAttributesIsVFlip(sprite->attr)) {
if (GBAObjAttributesBIsVFlip(sprite->b)) {
inY = height - inY - 1;
}
if (end < condition) {
@ -1555,15 +1559,15 @@ static int _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct G
}
int inX = outX - x;
int xOffset = 1;
if (GBAObjAttributesIsHFlip(sprite->attr)) {
if (GBAObjAttributesBIsHFlip(sprite->b)) {
inX = width - inX - 1;
xOffset = -1;
}
if (!GBAObjAttributesIs256Color(sprite->attr)) {
palette = &palette[GBAObjExtraAttributesGetPalette(sprite->attr2) << 4];
if (!GBAObjAttributesAIs256Color(sprite->a)) {
palette = &palette[GBAObjAttributesCGetPalette(sprite->c) << 4];
if (flags & FLAG_OBJWIN) {
SPRITE_NORMAL_LOOP(16, OBJWIN);
} else if (GBAObjAttributesIsMosaic(sprite->attr)) {
} else if (GBAObjAttributesAIsMosaic(sprite->a)) {
SPRITE_MOSAIC_LOOP(16, NORMAL);
} else {
SPRITE_NORMAL_LOOP(16, NORMAL);
@ -1571,7 +1575,7 @@ static int _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct G
} else {
if (flags & FLAG_OBJWIN) {
SPRITE_NORMAL_LOOP(256, OBJWIN);
} else if (GBAObjAttributesIsMosaic(sprite->attr)) {
} else if (GBAObjAttributesAIsMosaic(sprite->a)) {
SPRITE_MOSAIC_LOOP(256, NORMAL);
} else {
SPRITE_NORMAL_LOOP(256, NORMAL);
@ -1581,21 +1585,21 @@ static int _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct G
}
static int _preprocessTransformedSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y) {
int width = _objSizes[GBAObjAttributesGetShape(sprite->attr) * 8 + GBAObjAttributesGetSize(sprite->attr) * 2];
int height = _objSizes[GBAObjAttributesGetShape(sprite->attr) * 8 + GBAObjAttributesGetSize(sprite->attr) * 2 + 1];
int totalWidth = width << GBAObjAttributesGetDoubleSize(sprite->attr);
int totalHeight = height << GBAObjAttributesGetDoubleSize(sprite->attr);
int width = _objSizes[GBAObjAttributesAGetShape(sprite->a) * 8 + GBAObjAttributesBGetSize(sprite->b) * 2];
int height = _objSizes[GBAObjAttributesAGetShape(sprite->a) * 8 + GBAObjAttributesBGetSize(sprite->b) * 2 + 1];
int totalWidth = width << GBAObjAttributesAGetDoubleSize(sprite->a);
int totalHeight = height << GBAObjAttributesAGetDoubleSize(sprite->a);
int start = renderer->start;
int end = renderer->end;
uint32_t flags = GBAObjExtraAttributesGetPriority(sprite->attr2) << OFFSET_PRIORITY;
flags |= FLAG_TARGET_1 * ((renderer->currentWindow.blendEnable && renderer->target1Obj && renderer->blendEffect == BLEND_ALPHA) || GBAObjAttributesGetMode(sprite->attr) == OBJ_MODE_SEMITRANSPARENT);
flags |= FLAG_OBJWIN * (GBAObjAttributesGetMode(sprite->attr) == OBJ_MODE_OBJWIN);
int x = GBAObjAttributesGetX(sprite->attr);
uint32_t flags = GBAObjAttributesCGetPriority(sprite->c) << OFFSET_PRIORITY;
flags |= FLAG_TARGET_1 * ((renderer->currentWindow.blendEnable && renderer->target1Obj && renderer->blendEffect == BLEND_ALPHA) || GBAObjAttributesAGetMode(sprite->a) == OBJ_MODE_SEMITRANSPARENT);
flags |= FLAG_OBJWIN * (GBAObjAttributesAGetMode(sprite->a) == OBJ_MODE_OBJWIN);
int x = GBAObjAttributesBGetX(sprite->b);
uint16_t* vramBase = &renderer->d.vram[BASE_TILE >> 1];
unsigned charBase = GBAObjExtraAttributesGetTile(sprite->attr2) * 0x20;
struct GBAOAMMatrix* mat = &renderer->d.oam->mat[GBAObjAttributesGetMatIndex(sprite->attr)];
unsigned charBase = GBAObjAttributesCGetTile(sprite->c) * 0x20;
struct GBAOAMMatrix* mat = &renderer->d.oam->mat[GBAObjAttributesBGetMatIndex(sprite->b)];
int variant = renderer->target1Obj && renderer->currentWindow.blendEnable && (renderer->blendEffect == BLEND_BRIGHTEN || renderer->blendEffect == BLEND_DARKEN);
if (GBAObjAttributesGetMode(sprite->attr) == OBJ_MODE_SEMITRANSPARENT && renderer->target2Bd) {
if (GBAObjAttributesAGetMode(sprite->a) == OBJ_MODE_SEMITRANSPARENT && renderer->target2Bd) {
// Hack: if a sprite is blended, then the variant palette is not used, but we don't know if it's blended in advance
variant = 0;
}
@ -1603,12 +1607,12 @@ static int _preprocessTransformedSprite(struct GBAVideoSoftwareRenderer* rendere
if (variant) {
palette = &renderer->variantPalette[0x100];
}
int inY = y - (int) GBAObjAttributesGetY(sprite->attr);
int inY = y - (int) GBAObjAttributesAGetY(sprite->a);
if (inY < 0) {
inY += 256;
}
if (!GBAObjAttributesIs256Color(sprite->attr)) {
palette = &palette[GBAObjExtraAttributesGetPalette(sprite->attr2) << 4];
if (!GBAObjAttributesAIs256Color(sprite->a)) {
palette = &palette[GBAObjAttributesCGetPalette(sprite->c) << 4];
if (flags & FLAG_OBJWIN) {
SPRITE_TRANSFORMED_LOOP(16, OBJWIN);
} else {