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changing gpu->BGProp[] to gpu->bgCnt[] 

please use the latter from now on
This commit is contained in:
damdoum 2007-01-09 10:52:07 +00:00
parent 87de52a0f8
commit c21a0372e9
2 changed files with 71 additions and 92 deletions
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115
desmume/src/GPU.c
View File

@ -293,29 +293,23 @@ void GPU_setVideoProp(GPU * gpu, u32 p)
void GPU_setBGProp(GPU * gpu, u16 num, u16 p) void GPU_setBGProp(GPU * gpu, u16 num, u16 p)
{ {
u8 index = gpu->BGIndex[num]; u8 index = gpu->BGIndex[num];
struct _BGxCNT * cnt = &(gpu->bgCnt[num].bitfield), *cnt2;
int lastPriority = cnt->Priority;
gpu->bgCnt[num].integer = p;
if((gpu->nbBGActif != 0) && (index != 0)) if((gpu->nbBGActif != 0) && (index != 0))
{ {
index--; index--;
if(BGCNT_PRIORITY(gpu->BGProp[num]) < BGCNT_PRIORITY(p)) // do we have to re-order the layers ?
if(lastPriority < cnt->Priority)
{ {
#ifdef DEBUG_TRI // check layers before
sprintf(logbuf, "INF NEW bg %d prio %d %d", num, p&3, index); u8 i, ordre;
log::ajouter(logbuf); for( i= 0; i<index; i++) {
for(u8 i = 0; i < gpu->nbBGActif; ++i) ordre = gpu->ordre[i];
{ cnt2 = &(gpu->bgCnt[ordre].bitfield);
sprintf(logbuf, "bg %d prio %d", gpu->ordre[i], gpu->BGProp[gpu->ordre[i]]&3); if ((cnt2->Priority >= cnt->Priority) || (ordre > num)) break;
log::ajouter(logbuf);
} }
#endif
u8 i = 0;
for(; (i < index) && (((BGCNT_PRIORITY(gpu->BGProp[gpu->ordre[i]]))>(BGCNT_PRIORITY(p))) || (((BGCNT_PRIORITY(gpu->BGProp[gpu->ordre[i]]))==(BGCNT_PRIORITY(p)))&&(gpu->ordre[i]>num))); ++i); /* TODO: commenting and understanding */
#ifdef DEBUG_TRI
sprintf(logbuf, "new i %d old %d", i, index);
log::ajouter(logbuf);
#endif
if(i != index) if(i != index)
{ {
@ -328,35 +322,16 @@ void GPU_setBGProp(GPU * gpu, u16 num, u16 p)
gpu->ordre[i] = num; gpu->ordre[i] = num;
gpu->BGIndex[num] = i + 1; gpu->BGIndex[num] = i + 1;
} }
#ifdef DEBUG_TRI } else if(lastPriority > cnt->Priority) {
log::ajouter("");
for(u8 i = 0; i < gpu->nbBGActif; ++i) // check layers after
{ u8 i, ordre;
sprintf(logbuf, "bg %d prio %d", gpu->ordre[i], gpu->BGProp[gpu->ordre[i]]&3); for( i= gpu->nbBGActif-1; i>index; i--) {
log::ajouter(logbuf); ordre = gpu->ordre[i];
cnt2 = &(gpu->bgCnt[ordre].bitfield);
if ((cnt2->Priority >= cnt->Priority) && (ordre < num)) break;
} }
log::ajouter("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
#endif
}
else
{
if(BGCNT_PRIORITY(gpu->BGProp[num])>BGCNT_PRIORITY(p))
{
#ifdef DEBUG_TRI
sprintf(logbuf, "SUP NEW bg %d prio %d", num, p&3);
log::ajouter(logbuf);
for(u8 i = 0; i < gpu->nbBGActif; ++i)
{
sprintf(logbuf, "bg %d prio %d", gpu->ordre[i], gpu->BGProp[gpu->ordre[i]]&3);
log::ajouter(logbuf);
}
#endif
u8 i = gpu->nbBGActif-1;
for(; (i>index) && ((BGCNT_PRIORITY(gpu->BGProp[gpu->ordre[i]])<BGCNT_PRIORITY(p)) || ((BGCNT_PRIORITY(gpu->BGProp[gpu->ordre[i]])==BGCNT_PRIORITY(p))&&(gpu->ordre[i]<num))); --i);
#ifdef DEBUG_TRI
sprintf(logbuf, "new i %d old %d", i, index);
log::ajouter(logbuf);
#endif
if(i!=index) if(i!=index)
{ {
s8 j; s8 j;
@ -368,42 +343,26 @@ void GPU_setBGProp(GPU * gpu, u16 num, u16 p)
gpu->ordre[i] = num; gpu->ordre[i] = num;
gpu->BGIndex[num] = i + 1; gpu->BGIndex[num] = i + 1;
} }
#ifdef DEBUG_TRI
log::ajouter("");
for(u8 i = 0; i < gpu->nbBGActif; ++i)
{
sprintf(logbuf, "bg %d prio %d", gpu->ordre[i], gpu->BGProp[gpu->ordre[i]]&3);
log::ajouter(logbuf);
}
log::ajouter("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF");
#endif
}
} }
} }
gpu->bgCnt[num].integer = p;
gpu->BGProp[num] = p; gpu->BGProp[num] = p;
if(gpu->core == GPU_SUB) if(gpu->core == GPU_SUB) {
{ gpu->BG_tile_ram[num] = ((u8 *)ARM9Mem.ARM9_BBG);
gpu->BG_bmp_ram[num] = ((u8 *)ARM9Mem.ARM9_BBG) + BGCNT_SCREENBASEBLOCK(p) * ADDRESS_STEP_16KB; gpu->BG_bmp_ram[num] = ((u8 *)ARM9Mem.ARM9_BBG);
gpu->BG_tile_ram[num] = ((u8 *)ARM9Mem.ARM9_BBG) + BGCNT_CHARBASEBLOCK(p) * ADDRESS_STEP_16KB; gpu->BG_map_ram[num] = ARM9Mem.ARM9_BBG;
gpu->BG_map_ram[num] = ARM9Mem.ARM9_BBG + BGCNT_SCREENBASEBLOCK(p) * ADDRESS_STEP_2KB; } else {
} gpu->BG_tile_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG) + gpu->dispCnt.bitfield.CharacBase_Block * ADDRESS_STEP_64kB ;
else gpu->BG_bmp_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG);
{ gpu->BG_map_ram[num] = ARM9Mem.ARM9_ABG + gpu->dispCnt.bitfield.ScreenBase_Block * ADDRESS_STEP_64kB;
gpu->BG_bmp_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG) + BGCNT_SCREENBASEBLOCK(p) * ADDRESS_STEP_16KB;
gpu->BG_tile_ram[num] = ((u8 *)ARM9Mem.ARM9_ABG) + BGCNT_CHARBASEBLOCK(p) * ADDRESS_STEP_16KB + gpu->dispCnt.bitfield.CharacBase_Block * ADDRESS_STEP_64kB ;
gpu->BG_map_ram[num] = ARM9Mem.ARM9_ABG + BGCNT_SCREENBASEBLOCK(p) * ADDRESS_STEP_2KB + gpu->dispCnt.bitfield.ScreenBase_Block * ADDRESS_STEP_64kB;
} }
gpu->BG_tile_ram[num] += (cnt->CharacBase_Block * ADDRESS_STEP_16KB);
gpu->BG_bmp_ram[num] += (cnt->ScreenBase_Block * ADDRESS_STEP_16KB);
gpu->BG_map_ram[num] += (cnt->ScreenBase_Block * ADDRESS_STEP_2KB);
/*if(!(p&(1<<7))) gpu->BGExtPalSlot[num] = cnt->PaletteSet_Wrap * 2 + num ;
BGExtPalSlot[num] = 0;
else
if(!(prop&(1<<30)))
BGExtPalSlot[num] = 0;
else*/
gpu->BGExtPalSlot[num] = BGCNT_EXTPALSLOT(p) * 2 + num ;
/*if(!(prop&(3<<16))) /*if(!(prop&(3<<16)))
{ {
@ -412,11 +371,9 @@ void GPU_setBGProp(GPU * gpu, u16 num, u16 p)
return; return;
}*/ }*/
/* we got a naming problem here, dispMode actual is _DISPCNT_.ExMode */ int mode = mode2type[gpu->dispCnt.bitfield.BG_Mode][num];
// gpu->BGSize[num][0] = sizeTab[mode2type[gpu->dispMode][num]][BGCNT_SCREENSIZE(p)][0]; gpu->BGSize[num][0] = sizeTab[mode][cnt->ScreenSize][0];
// gpu->BGSize[num][1] = sizeTab[mode2type[gpu->dispMode][num]][BGCNT_SCREENSIZE(p)][1]; gpu->BGSize[num][1] = sizeTab[mode][cnt->ScreenSize][1];
gpu->BGSize[num][0] = sizeTab[mode2type[gpu->dispCnt.bitfield.BG_Mode][num]][BGCNT_SCREENSIZE(p)][0];
gpu->BGSize[num][1] = sizeTab[mode2type[gpu->dispCnt.bitfield.BG_Mode][num]][BGCNT_SCREENSIZE(p)][1];
} }

26
desmume/src/GPU.h
View File

@ -86,10 +86,32 @@ typedef union
struct _DISPCNT bitfield; struct _DISPCNT bitfield;
u32 integer; u32 integer;
} DISPCNT; } DISPCNT;
#define BGxENABLED(cnt,num) ((num<8)? ((cnt.integer>>8) & num):0) #define BGxENABLED(cnt,num) ((num<8)? ((cnt.integer>>8) & num):0)
struct _BGxCNT
{
/*0*/ unsigned Priority:2; // 0..3=high..low
/*2*/ unsigned CharacBase_Block:4; // individual character base offset (n*16KB)
/*6*/ unsigned Mosaic_Enable:1; // 0=disable, 1=Enable mosaic
/*7*/ unsigned Palette_256:1; // 0=16x16, 1=1*256 palette
/*8*/ unsigned ScreenBase_Block:5; // individual screen base offset (text n*2KB, BMP n*16KB)
/*13*/ unsigned PaletteSet_Wrap:1; // BG0 extended palette set 0=set0, 1=set2
// BG1 extended palette set 0=set1, 1=set3
// BG2 overflow area wraparound 0=off, 1=wrap
// BG3 overflow area wraparound 0=off, 1=wrap
/*14*/ unsigned ScreenSize:1; // text : 256x256 512x256 256x512 512x512
// x/rot/s : 128x128 256x256 512x512 1024x1024
// bmp : 128x128 256x256 512x256 512x512
// large : 512x1024 1024x512 - -
};
typedef union
{
struct _BGxCNT bitfield;
u16 integer;
} BGxCNT;
#define BGCNT_PRIORITY(val) ((val) & 3) #define BGCNT_PRIORITY(val) ((val) & 3)
#define BGCNT_CHARBASEBLOCK(val) (((val) >> 2) & 0x0F) #define BGCNT_CHARBASEBLOCK(val) (((val) >> 2) & 0x0F)
#define BGCNT_256COL(val) (((val) >> 7) & 0x1) #define BGCNT_256COL(val) (((val) >> 7) & 0x1)
@ -162,7 +184,7 @@ typedef struct _GPU GPU;
struct _GPU struct _GPU
{ {
DISPCNT dispCnt; DISPCNT dispCnt;
int bgXenabled; BGxCNT bgCnt[4];
u16 BGProp[4]; u16 BGProp[4];