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Mode 5

This commit is contained in:
Jeffrey Pfau 2013-07-20 01:46:40 -07:00
parent 15a2e43b2b
commit da7853bda6
1 changed files with 41 additions and 9 deletions
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50
src/gba/renderers/video-software.c
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@ -29,6 +29,7 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
static void _drawBackgroundMode2(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int y);
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 _preprocessTransformedSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBATransformedObj* sprite, int y);
static void _preprocessSprite(struct GBAVideoSoftwareRenderer* renderer, struct GBAObj* sprite, int y);
static void _postprocessSprite(struct GBAVideoSoftwareRenderer* renderer, int priority);
@ -453,6 +454,9 @@ static void _drawScanline(struct GBAVideoSoftwareRenderer* renderer, int y) {
case 4:
_drawBackgroundMode4(renderer, &renderer->bg[2], y);
break;
case 5:
_drawBackgroundMode5(renderer, &renderer->bg[2], y);
break;
}
renderer->bg[2].sx += renderer->bg[2].dmx;
renderer->bg[2].sy += renderer->bg[2].dmy;
@ -811,6 +815,7 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
}
#define BACKGROUND_BITMAP_INIT \
(void)(unused); \
int32_t x = background->sx - background->dx; \
int32_t y = background->sy - background->dy; \
int32_t localX; \
@ -821,11 +826,11 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
flags |= FLAG_TARGET_2 * background->target2; \
int variant = background->target1 && (renderer->blendEffect == BLEND_BRIGHTEN || renderer->blendEffect == BLEND_DARKEN);
#define BACKGROUND_BITMAP_ITERATE \
#define BACKGROUND_BITMAP_ITERATE(W, H) \
x += background->dx; \
y += background->dy; \
\
if (x < 0 || y < 0 || (x >> 8) >= VIDEO_HORIZONTAL_PIXELS || (y >> 8) >= VIDEO_VERTICAL_PIXELS) { \
if (x < 0 || y < 0 || (x >> 8) >= W || (y >> 8) >= H) { \
continue; \
} else { \
localX = x; \
@ -833,7 +838,6 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
}
static void _drawBackgroundMode2(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int unused) {
(void)(unused);
int sizeAdjusted = 0x8000 << background->size;
BACKGROUND_BITMAP_INIT;
@ -871,8 +875,6 @@ static void _drawBackgroundMode2(struct GBAVideoSoftwareRenderer* renderer, stru
}
static void _drawBackgroundMode3(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int unused) {
(void)(unused);
BACKGROUND_BITMAP_INIT;
uint16_t color;
@ -880,7 +882,7 @@ static void _drawBackgroundMode3(struct GBAVideoSoftwareRenderer* renderer, stru
int outX;
for (outX = 0; outX < VIDEO_HORIZONTAL_PIXELS; ++outX) {
BACKGROUND_BITMAP_ITERATE;
BACKGROUND_BITMAP_ITERATE(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
color = ((uint16_t*)renderer->d.vram)[(localX >> 8) + (localY >> 8) * VIDEO_HORIZONTAL_PIXELS];
color32 = 0;
@ -901,8 +903,6 @@ static void _drawBackgroundMode3(struct GBAVideoSoftwareRenderer* renderer, stru
}
static void _drawBackgroundMode4(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int unused) {
(void)(unused);
BACKGROUND_BITMAP_INIT;
uint16_t color;
@ -913,7 +913,7 @@ static void _drawBackgroundMode4(struct GBAVideoSoftwareRenderer* renderer, stru
int outX;
for (outX = 0; outX < VIDEO_HORIZONTAL_PIXELS; ++outX) {
BACKGROUND_BITMAP_ITERATE;
BACKGROUND_BITMAP_ITERATE(VIDEO_HORIZONTAL_PIXELS, VIDEO_VERTICAL_PIXELS);
color = ((uint8_t*)renderer->d.vram)[offset + (localX >> 8) + (localY >> 8) * VIDEO_HORIZONTAL_PIXELS];
@ -927,6 +927,38 @@ static void _drawBackgroundMode4(struct GBAVideoSoftwareRenderer* renderer, stru
}
}
static void _drawBackgroundMode5(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int unused) {
BACKGROUND_BITMAP_INIT;
uint16_t color;
uint32_t color32;
uint32_t offset = 0;
if (renderer->dispcnt.frameSelect) {
offset = 0xA000;
}
int outX;
for (outX = 0; outX < VIDEO_HORIZONTAL_PIXELS; ++outX) {
BACKGROUND_BITMAP_ITERATE(160, 128);
color = ((uint16_t*)renderer->d.vram)[(localX >> 8) + (localY >> 8) * 160];
color32 = 0;
color32 |= (color << 3) & 0xF8;
color32 |= (color << 6) & 0xF800;
color32 |= (color << 9) & 0xF80000;
if (!(renderer->row[outX] & FLAG_FINALIZED)) {
if (!variant) {
_composite(renderer, outX, color32 | flags);
} else if (renderer->blendEffect == BLEND_BRIGHTEN) {
_composite(renderer, outX, _brighten(color32, renderer->bldy) | flags);
} else if (renderer->blendEffect == BLEND_DARKEN) {
_composite(renderer, outX, _darken(color32, renderer->bldy) | flags);
}
}
}
}
static const int _objSizes[32] = {
8, 8,
16, 16,