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mgba
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Bitmap of enabled sprites

This commit is contained in:
Jeffrey Pfau 2013-07-21 18:58:32 -07:00
parent edecf6c1f6
commit 6829b54234
4 changed files with 36 additions and 6 deletions
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3
src/gba/gba-memory.c
View File

@ -312,6 +312,8 @@ void GBAStore32(struct ARMMemory* memory, uint32_t address, int32_t value, int*
break;
case BASE_OAM:
((int32_t*) gbaMemory->p->video.oam.raw)[(address & (SIZE_OAM - 1)) >> 2] = value;
gbaMemory->p->video.renderer->writeOAM(gbaMemory->p->video.renderer, (address & (SIZE_OAM - 4)) >> 1);
gbaMemory->p->video.renderer->writeOAM(gbaMemory->p->video.renderer, ((address & (SIZE_OAM - 4)) >> 1) + 1);
break;
case BASE_CART0:
break;
@ -352,6 +354,7 @@ void GBAStore16(struct ARMMemory* memory, uint32_t address, int16_t value, int*
break;
case BASE_OAM:
gbaMemory->p->video.oam.raw[(address & (SIZE_OAM - 1)) >> 1] = value;
gbaMemory->p->video.renderer->writeOAM(gbaMemory->p->video.renderer, (address & (SIZE_OAM - 1)) >> 1);
break;
case BASE_CART0:
break;

1
src/gba/gba-video.h
View File

@ -161,6 +161,7 @@ struct GBAVideoRenderer {
uint16_t (*writeVideoRegister)(struct GBAVideoRenderer* renderer, uint32_t address, uint16_t value);
void (*writePalette)(struct GBAVideoRenderer* renderer, uint32_t address, uint16_t value);
void (*writeOAM)(struct GBAVideoRenderer* renderer, uint32_t oam);
void (*drawScanline)(struct GBAVideoRenderer* renderer, int y);
void (*finishFrame)(struct GBAVideoRenderer* renderer);

36
src/gba/renderers/video-software.c
View File

@ -7,6 +7,7 @@
static void GBAVideoSoftwareRendererInit(struct GBAVideoRenderer* renderer);
static void GBAVideoSoftwareRendererDeinit(struct GBAVideoRenderer* renderer);
static void GBAVideoSoftwareRendererWriteOAM(struct GBAVideoRenderer* renderer, uint32_t oam);
static void GBAVideoSoftwareRendererWritePalette(struct GBAVideoRenderer* renderer, uint32_t address, uint16_t value);
static uint16_t GBAVideoSoftwareRendererWriteVideoRegister(struct GBAVideoRenderer* renderer, uint32_t address, uint16_t value);
static void GBAVideoSoftwareRendererDrawScanline(struct GBAVideoRenderer* renderer, int y);
@ -43,6 +44,7 @@ void GBAVideoSoftwareRendererCreate(struct GBAVideoSoftwareRenderer* renderer) {
renderer->d.init = GBAVideoSoftwareRendererInit;
renderer->d.deinit = GBAVideoSoftwareRendererDeinit;
renderer->d.writeVideoRegister = GBAVideoSoftwareRendererWriteVideoRegister;
renderer->d.writeOAM = GBAVideoSoftwareRendererWriteOAM;
renderer->d.writePalette = GBAVideoSoftwareRendererWritePalette;
renderer->d.drawScanline = GBAVideoSoftwareRendererDrawScanline;
renderer->d.finishFrame = GBAVideoSoftwareRendererFinishFrame;
@ -73,6 +75,7 @@ static void GBAVideoSoftwareRendererInit(struct GBAVideoRenderer* renderer) {
softwareRenderer->blendEffect = BLEND_NONE;
memset(softwareRenderer->normalPalette, 0, sizeof(softwareRenderer->normalPalette));
memset(softwareRenderer->variantPalette, 0, sizeof(softwareRenderer->variantPalette));
memset(softwareRenderer->enabledBitmap, 0, sizeof(softwareRenderer->enabledBitmap));
softwareRenderer->blda = 0;
softwareRenderer->bldb = 0;
@ -250,6 +253,17 @@ static uint16_t GBAVideoSoftwareRendererWriteVideoRegister(struct GBAVideoRender
return value;
}
static void GBAVideoSoftwareRendererWriteOAM(struct GBAVideoRenderer* renderer, uint32_t oam) {
struct GBAVideoSoftwareRenderer* softwareRenderer = (struct GBAVideoSoftwareRenderer*) renderer;
if ((oam & 0x3) != 0x3) {
oam >>= 2;
struct GBAObj* sprite = &renderer->oam->obj[oam];
int enabled = sprite->transformed || !sprite->disable;
enabled << (oam & 0x1F);
softwareRenderer->enabledBitmap[oam >> 5] = (softwareRenderer->enabledBitmap[oam >> 5] & ~(1 << (oam & 0x1F))) | enabled;
}
}
static void GBAVideoSoftwareRendererWritePalette(struct GBAVideoRenderer* renderer, uint32_t address, uint16_t value) {
struct GBAVideoSoftwareRenderer* softwareRenderer = (struct GBAVideoSoftwareRenderer*) renderer;
uint32_t color32 = 0;
@ -420,12 +434,22 @@ static void _drawScanline(struct GBAVideoSoftwareRenderer* renderer, int y) {
int i;
memset(renderer->spriteLayer, 0, sizeof(renderer->spriteLayer));
if (renderer->dispcnt.objEnable) {
for (i = 0; i < 128; ++i) {
struct GBAObj* sprite = &renderer->d.oam->obj[i];
if (sprite->transformed) {
_preprocessTransformedSprite(renderer, &renderer->d.oam->tobj[i], y);
} else if (!sprite->disable) {
_preprocessSprite(renderer, sprite, y);
int j;
for (j = 0; j < 4; ++j) {
uint32_t bitmap = renderer->enabledBitmap[j];
if (!bitmap) {
continue;
}
for (i = j * 16; i < (j + 1) * 16; ++i) {
if (bitmap & 1) {
struct GBAObj* sprite = &renderer->d.oam->obj[i];
if (sprite->transformed) {
_preprocessTransformedSprite(renderer, &renderer->d.oam->tobj[i], y);
} else {
_preprocessSprite(renderer, sprite, y);
}
}
bitmap >>= 1;
}
}
}

2
src/gba/renderers/video-software.h
View File

@ -79,6 +79,8 @@ struct GBAVideoSoftwareRenderer {
int start;
int end;
uint32_t enabledBitmap[4];
pthread_mutex_t mutex;
pthread_cond_t upCond;
pthread_cond_t downCond;