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mgba
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Extract more into macros

This commit is contained in:
Jeffrey Pfau 2013-05-01 23:46:15 -07:00
parent d6c88fc7cb
commit 0423656ad8
1 changed files with 44 additions and 36 deletions
src/gba/renderers
video-software.c

80
src/gba/renderers/video-software.c
View File

@ -608,33 +608,55 @@ static const int _objSizes[32] = {
0, 0
};
#define SPRITE_NORMAL_LOOP(DEPTH, TYPE) \
SPRITE_YBASE_ ## DEPTH(inY); \
for (int outX = x >= start ? x : start; outX < x + width && outX < end; ++outX) { \
int inX = outX - x; \
if (sprite->hflip) { \
inX = width - inX - 1; \
} \
if (renderer->flags[outX].isSprite) { \
continue; \
} \
SPRITE_XBASE_ ## DEPTH(inX); \
SPRITE_DRAW_PIXEL_ ## DEPTH ## _ ## TYPE(inX); \
}
#define SPRITE_XBASE_16(localX) unsigned xBase = (localX & ~0x7) * 4 + ((localX >> 1) & 2);
#define SPRITE_YBASE_16(localY) unsigned yBase = (localY & ~0x7) * (renderer->dispcnt.objCharacterMapping ? width >> 1 : 0x80) + (localY & 0x7) * 4;
#define SPRITE_DRAW_PIXEL_16(localX) \
#define SPRITE_DRAW_PIXEL_16_NORMAL(localX) \
uint16_t tileData = renderer->d.vram[(yBase + charBase + xBase) >> 1]; \
tileData = (tileData >> ((localX & 3) << 2)) & 0xF; \
if (tileData) { \
if (renderer->blendEffect == BLEND_NONE || renderer->blendEffect == BLEND_ALPHA || !renderer->target1Obj) { \
renderer->spriteLayer[outX] = renderer->normalPalette[0x100 | tileData | (sprite->palette << 4)]; \
} else { \
renderer->spriteLayer[outX] = renderer->variantPalette[0x100 | tileData | (sprite->palette << 4)]; \
} \
renderer->spriteLayer[outX] = renderer->normalPalette[0x100 | tileData | (sprite->palette << 4)]; \
renderer->flags[outX] = flags; \
}
#define SPRITE_DRAW_PIXEL_16_VARIANT(localX) \
uint16_t tileData = renderer->d.vram[(yBase + charBase + xBase) >> 1]; \
tileData = (tileData >> ((localX & 3) << 2)) & 0xF; \
if (tileData) { \
renderer->spriteLayer[outX] = renderer->variantPalette[0x100 | tileData | (sprite->palette << 4)]; \
renderer->flags[outX] = flags; \
}
#define SPRITE_XBASE_256(localX) unsigned xBase = (localX & ~0x7) * 8 + (localX & 6);
#define SPRITE_YBASE_256(localY) unsigned yBase = (localY & ~0x7) * (renderer->dispcnt.objCharacterMapping ? width : 0x100) + (localY & 0x7) * 8;
#define SPRITE_DRAW_PIXEL_256(localX) \
#define SPRITE_DRAW_PIXEL_256_NORMAL(localX) \
uint16_t tileData = renderer->d.vram[(yBase + charBase + xBase) >> 1]; \
tileData = (tileData >> ((localX & 1) << 3)) & 0xFF; \
if (tileData) { \
if (renderer->blendEffect == BLEND_NONE || renderer->blendEffect == BLEND_ALPHA || !renderer->target1Obj) { \
renderer->spriteLayer[outX] = renderer->normalPalette[0x100 | tileData]; \
} else { \
renderer->spriteLayer[outX] = renderer->variantPalette[0x100 | tileData]; \
} \
renderer->spriteLayer[outX] = renderer->normalPalette[0x100 | tileData]; \
renderer->flags[outX] = flags; \
}
#define SPRITE_DRAW_PIXEL_256_VARIANT(localX) \
uint16_t tileData = renderer->d.vram[(yBase + charBase + xBase) >> 1]; \
tileData = (tileData >> ((localX & 1) << 3)) & 0xFF; \
if (tileData) { \
renderer->spriteLayer[outX] = renderer->variantPalette[0x100 | tileData]; \
renderer->flags[outX] = flags; \
}
@ -661,33 +683,19 @@ static void _drawSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj
inY = height - inY - 1;
}
unsigned charBase = BASE_TILE + sprite->tile * 0x20;
int variant = renderer->blendEffect == BLEND_NONE || renderer->blendEffect == BLEND_ALPHA || !renderer->target1Obj;
if (!sprite->multipalette) {
SPRITE_YBASE_16(inY);
for (int outX = x >= start ? x : start; outX < x + width && outX < end; ++outX) {
int inX = outX - x;
if (sprite->hflip) {
inX = width - inX - 1;
}
if (renderer->flags[outX].isSprite) {
continue;
}
SPRITE_XBASE_16(inX);
SPRITE_DRAW_PIXEL_16(inX);
if (!variant) {
SPRITE_NORMAL_LOOP(16, NORMAL);
} else {
SPRITE_NORMAL_LOOP(16, VARIANT);
}
} else {
SPRITE_YBASE_256(inY);
for (int outX = x >= start ? x : start; outX < x + width && outX < end; ++outX) {
int inX = outX - x;
if (sprite->hflip) {
inX = width - inX - 1;
}
if (renderer->flags[outX].isSprite) {
continue;
}
SPRITE_XBASE_256(inX);
SPRITE_DRAW_PIXEL_256(inX);
if (!variant) {
SPRITE_NORMAL_LOOP(256, NORMAL);
} else {
SPRITE_NORMAL_LOOP(256, VARIANT);
}
}
}
@ -725,7 +733,7 @@ static void _drawTransformedSprite(struct GBAVideoSoftwareRenderer* renderer, st
SPRITE_YBASE_16(localY);
SPRITE_XBASE_16(localX);
SPRITE_DRAW_PIXEL_16(localX);
SPRITE_DRAW_PIXEL_16_NORMAL(localX);
}
}