all repos — mgba @ 58400c859fff7d5799a6dd04801509989912c294

mGBA Game Boy Advance Emulator

Merge preprocess transformed and normal sprite routines
Jeffrey Pfau jeffrey@endrift.com
Thu, 02 Oct 2014 00:53:51 -0700
commit

58400c859fff7d5799a6dd04801509989912c294

parent

935182fdc4d349f4a527804ff689bbdfec0fb1ef

1 files changed, 61 insertions(+), 84 deletions(-)

jump to
M src/gba/renderers/video-software.csrc/gba/renderers/video-software.c

@@ -51,7 +51,6 @@ static void _drawBackgroundMode3(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int y);

static void _drawBackgroundMode4(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int y); static void _drawBackgroundMode5(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int y); static void _cleanOAM(struct GBAVideoSoftwareRenderer* renderer); -static int _preprocessTransformedSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y); static int _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y); static void _postprocessSprite(struct GBAVideoSoftwareRenderer* renderer, unsigned priority);

@@ -663,11 +662,7 @@ }

if ((localY < sprite->y && (sprite->endY - 256 < 0 || localY >= sprite->endY - 256)) || localY >= sprite->endY) { continue; } - if (GBAObjAttributesAIsTransformed(sprite->obj.a)) { - drawn = _preprocessTransformedSprite(renderer, &sprite->obj, localY); - } else { - drawn = _preprocessSprite(renderer, &sprite->obj, localY); - } + drawn = _preprocessSprite(renderer, &sprite->obj, localY); spriteLayers |= drawn << GBAObjAttributesCGetPriority(sprite->obj.c); } }

@@ -1538,91 +1533,73 @@ if (variant) {

palette = &renderer->variantPalette[0x100]; } - int outX = x >= start ? x : start; - int condition = x + width; - int mosaicH = 1; - if (GBAObjAttributesAIsMosaic(sprite->a)) { - mosaicH = renderer->mosaic.objH + 1; - if (condition % mosaicH) { - condition += mosaicH - (condition % mosaicH); - } - } int inY = y - (int) GBAObjAttributesAGetY(sprite->a); - if ((int) GBAObjAttributesAGetY(sprite->a) + height - 256 >= 0) { - inY += 256; - } - if (GBAObjAttributesBIsVFlip(sprite->b)) { - inY = height - inY - 1; - } - if (end < condition) { - condition = end; - } - int inX = outX - x; - int xOffset = 1; - if (GBAObjAttributesBIsHFlip(sprite->b)) { - inX = width - inX - 1; - xOffset = -1; - } - if (!GBAObjAttributesAIs256Color(sprite->a)) { - palette = &palette[GBAObjAttributesCGetPalette(sprite->c) << 4]; - if (flags & FLAG_OBJWIN) { - SPRITE_NORMAL_LOOP(16, OBJWIN); - } else if (GBAObjAttributesAIsMosaic(sprite->a)) { - SPRITE_MOSAIC_LOOP(16, NORMAL); - } else { - SPRITE_NORMAL_LOOP(16, NORMAL); + + if (GBAObjAttributesAIsTransformed(sprite->a)) { + int totalWidth = width << GBAObjAttributesAGetDoubleSize(sprite->a); + int totalHeight = height << GBAObjAttributesAGetDoubleSize(sprite->a); + struct GBAOAMMatrix* mat = &renderer->d.oam->mat[GBAObjAttributesBGetMatIndex(sprite->b)]; + + if (inY < 0) { + inY += 256; } - } else { - if (flags & FLAG_OBJWIN) { - SPRITE_NORMAL_LOOP(256, OBJWIN); - } else if (GBAObjAttributesAIsMosaic(sprite->a)) { - SPRITE_MOSAIC_LOOP(256, NORMAL); - } else { - SPRITE_NORMAL_LOOP(256, NORMAL); - } - } - return 1; -} -static int _preprocessTransformedSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y) { - 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 = 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 = 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 (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; - } - color_t* palette = &renderer->normalPalette[0x100]; - if (variant) { - palette = &renderer->variantPalette[0x100]; - } - int inY = y - (int) GBAObjAttributesAGetY(sprite->a); - if (inY < 0) { - inY += 256; - } - if (!GBAObjAttributesAIs256Color(sprite->a)) { - palette = &palette[GBAObjAttributesCGetPalette(sprite->c) << 4]; - if (flags & FLAG_OBJWIN) { - SPRITE_TRANSFORMED_LOOP(16, OBJWIN); + if (!GBAObjAttributesAIs256Color(sprite->a)) { + palette = &palette[GBAObjAttributesCGetPalette(sprite->c) << 4]; + if (flags & FLAG_OBJWIN) { + SPRITE_TRANSFORMED_LOOP(16, OBJWIN); + } else { + SPRITE_TRANSFORMED_LOOP(16, NORMAL); + } } else { - SPRITE_TRANSFORMED_LOOP(16, NORMAL); + if (flags & FLAG_OBJWIN) { + SPRITE_TRANSFORMED_LOOP(256, OBJWIN); + } else { + SPRITE_TRANSFORMED_LOOP(256, NORMAL); + } } } else { - if (flags & FLAG_OBJWIN) { - SPRITE_TRANSFORMED_LOOP(256, OBJWIN); + int outX = x >= start ? x : start; + int condition = x + width; + int mosaicH = 1; + if (GBAObjAttributesAIsMosaic(sprite->a)) { + mosaicH = renderer->mosaic.objH + 1; + if (condition % mosaicH) { + condition += mosaicH - (condition % mosaicH); + } + } + if ((int) GBAObjAttributesAGetY(sprite->a) + height - 256 >= 0) { + inY += 256; + } + if (GBAObjAttributesBIsVFlip(sprite->b)) { + inY = height - inY - 1; + } + if (end < condition) { + condition = end; + } + int inX = outX - x; + int xOffset = 1; + if (GBAObjAttributesBIsHFlip(sprite->b)) { + inX = width - inX - 1; + xOffset = -1; + } + if (!GBAObjAttributesAIs256Color(sprite->a)) { + palette = &palette[GBAObjAttributesCGetPalette(sprite->c) << 4]; + if (flags & FLAG_OBJWIN) { + SPRITE_NORMAL_LOOP(16, OBJWIN); + } else if (GBAObjAttributesAIsMosaic(sprite->a)) { + SPRITE_MOSAIC_LOOP(16, NORMAL); + } else { + SPRITE_NORMAL_LOOP(16, NORMAL); + } } else { - SPRITE_TRANSFORMED_LOOP(256, NORMAL); + if (flags & FLAG_OBJWIN) { + SPRITE_NORMAL_LOOP(256, OBJWIN); + } else if (GBAObjAttributesAIsMosaic(sprite->a)) { + SPRITE_MOSAIC_LOOP(256, NORMAL); + } else { + SPRITE_NORMAL_LOOP(256, NORMAL); + } } } return 1;