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gpu: change affine bg drawing to use more accurate vram mapping. fixes some display issues, costs some speed.

This commit is contained in:
zeromus 2009-06-24 06:03:19 +00:00
parent 8ca0cddb7c
commit fc43f75b70
1 changed files with 28 additions and 37 deletions
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65
desmume/src/GPU.cpp
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@ -1652,54 +1652,59 @@ template<bool MOSAIC> INLINE void renderline_textBG(GPU * gpu, u16 XBG, u16 YBG,
// BACKGROUND RENDERING -ROTOSCALE-
/*****************************************************************************/
template<bool MOSAIC> FORCEINLINE void rot_tiled_8bit_entry(GPU * gpu, s32 auxX, s32 auxY, int lg, u8 * map, u8 * tile, u8 * pal, int i, u8 extPal) {
template<bool MOSAIC> FORCEINLINE void rot_tiled_8bit_entry(GPU * gpu, s32 auxX, s32 auxY, int lg, u32 map, u32 tile, u8 * pal, int i, u8 extPal) {
u8 palette_entry;
u16 tileindex, x, y, color;
tileindex = map[(auxX>>3) + (auxY>>3) * (lg>>3)];
x = (auxX&7); y = (auxY&7);
palette_entry = tile[(tileindex<<6)+(y<<3)+x];
tileindex = *(u8*)MMU_gpu_map(map + ((auxX>>3) + (auxY>>3) * (lg>>3)));
x = (auxX&7);
y = (auxY&7);
palette_entry = *(u8*)MMU_gpu_map(tile + ((tileindex<<6)+(y<<3)+x));
color = T1ReadWord(pal, palette_entry << 1);
gpu->__setFinalColorBck<MOSAIC>(color,i,palette_entry);
}
template<bool MOSAIC> FORCEINLINE void rot_tiled_16bit_entry(GPU * gpu, s32 auxX, s32 auxY, int lg, u8 * map, u8 * tile, u8 * pal, int i, u8 extPal) {
template<bool MOSAIC> FORCEINLINE void rot_tiled_16bit_entry(GPU * gpu, s32 auxX, s32 auxY, int lg, u32 map, u32 tile, u8 * pal, int i, u8 extPal) {
u8 palette_entry;
u16 x, y, color;
TILEENTRY tileentry;
if (!tile) return;
tileentry.val = T1ReadWord(map, ((auxX>>3) + (auxY>>3) * (lg>>3))<<1);
void* map_addr = MMU_gpu_map(map + (((auxX>>3) + (auxY>>3) * (lg>>3))<<1));
tileentry.val = T1ReadWord(map_addr, 0);
x = (tileentry.bits.HFlip) ? 7 - (auxX&7) : (auxX&7);
y = (tileentry.bits.VFlip) ? 7 - (auxY&7) : (auxY&7);
palette_entry = tile[(tileentry.bits.TileNum<<6)+(y<<3)+x];
palette_entry = *(u8*)MMU_gpu_map(tile + ((tileentry.bits.TileNum<<6)+(y<<3)+x));
color = T1ReadWord(pal, (palette_entry + (extPal ? (tileentry.bits.Palette<<8) : 0)) << 1);
gpu->__setFinalColorBck<MOSAIC>(color, i, palette_entry);
}
template<bool MOSAIC> FORCEINLINE void rot_256_map(GPU * gpu, s32 auxX, s32 auxY, int lg, u8 * map, u8 * tile, u8 * pal, int i, u8 extPal) {
template<bool MOSAIC> FORCEINLINE void rot_256_map(GPU * gpu, s32 auxX, s32 auxY, int lg, u32 map, u32 tile, u8 * pal, int i, u8 extPal) {
u8 palette_entry;
u16 color;
palette_entry = map[auxX + auxY * lg];
u8* adr = (u8*)MMU_gpu_map((map) + ((auxX + auxY * lg)));
palette_entry = *adr;
color = T1ReadWord(pal, palette_entry << 1);
gpu->__setFinalColorBck<MOSAIC>(color, i, palette_entry);
}
template<bool MOSAIC> FORCEINLINE void rot_BMP_map(GPU * gpu, s32 auxX, s32 auxY, int lg, u8 * map, u8 * tile, u8 * pal, int i, u8 extPal) {
template<bool MOSAIC> FORCEINLINE void rot_BMP_map(GPU * gpu, s32 auxX, s32 auxY, int lg, u32 map, u32 tile, u8 * pal, int i, u8 extPal) {
u16 color;
color = T1ReadWord(map, (auxX + auxY * lg) << 1);
void* adr = MMU_gpu_map((map) + ((auxX + auxY * lg) << 1));
color = T1ReadWord(adr, 0);
gpu->__setFinalColorBck<MOSAIC>(color, i, color&0x8000);
}
typedef void (*rot_fun)(GPU * gpu, s32 auxX, s32 auxY, int lg, u8 * map, u8 * tile, u8 * pal , int i, u8 extPal);
typedef void (*rot_fun)(GPU * gpu, s32 auxX, s32 auxY, int lg, u32 map, u32 tile, u8 * pal , int i, u8 extPal);
template<rot_fun fun>
FORCEINLINE void rot_scale_op(GPU * gpu, s32 X, s32 Y, s16 PA, s16 PB, s16 PC, s16 PD, u16 LG, s32 wh, s32 ht, BOOL wrap, u8 * map, u8 * tile, u8 * pal, u8 extPal)
FORCEINLINE void rot_scale_op(GPU * gpu, s32 X, s32 Y, s16 PA, s16 PB, s16 PC, s16 PD, u16 LG, s32 wh, s32 ht, BOOL wrap, u32 map, u32 tile, u8 * pal, u8 extPal)
{
ROTOCOORD x, y;
x.val = X;
@ -1733,7 +1738,7 @@ FORCEINLINE void rot_scale_op(GPU * gpu, s32 X, s32 Y, s16 PA, s16 PB, s16 PC, s
}
template<rot_fun fun>
FORCEINLINE void apply_rot_fun(GPU * gpu, s32 X, s32 Y, s16 PA, s16 PB, s16 PC, s16 PD, u16 LG, u8 * map, u8 * tile, u8 * pal, u8 extPal)
FORCEINLINE void apply_rot_fun(GPU * gpu, s32 X, s32 Y, s16 PA, s16 PB, s16 PC, s16 PD, u16 LG, u32 map, u32 tile, u8 * pal, u8 extPal)
{
struct _BGxCNT * bgCnt = &(gpu->dispx_st)->dispx_BGxCNT[gpu->currBgNum].bits;
s32 wh = gpu->BGSize[gpu->currBgNum][0];
@ -1745,13 +1750,9 @@ FORCEINLINE void apply_rot_fun(GPU * gpu, s32 X, s32 Y, s16 PA, s16 PB, s16 PC,
template<bool MOSAIC> FORCEINLINE void rotBG2(GPU * gpu, s32 X, s32 Y, s16 PA, s16 PB, s16 PC, s16 PD, u16 LG)
{
u8 num = gpu->currBgNum;
u8 * map = (u8 *)MMU_RenderMapToLCD(gpu->BG_map_ram[num]);
if (!map) return;
u8 * tile = (u8 *)MMU_RenderMapToLCD(gpu->BG_tile_ram[num]);
if (!tile) return;
u8 * pal = ARM9Mem.ARM9_VMEM + gpu->core * 0x400;
// printf("rot mode\n");
apply_rot_fun<rot_tiled_8bit_entry<MOSAIC> >(gpu,X,Y,PA,PB,PC,PD,LG, map, tile, pal, 0);
apply_rot_fun<rot_tiled_8bit_entry<MOSAIC> >(gpu,X,Y,PA,PB,PC,PD,LG, gpu->BG_map_ram[num], gpu->BG_tile_ram[num], pal, 0);
}
template<bool MOSAIC> FORCEINLINE void extRotBG2(GPU * gpu, s32 X, s32 Y, s16 PA, s16 PB, s16 PC, s16 PD, s16 LG)
@ -1764,37 +1765,27 @@ template<bool MOSAIC> FORCEINLINE void extRotBG2(GPU * gpu, s32 X, s32 Y, s16 PA
switch(gpu->BGTypes[num])
{
case BGType_AffineExt_256x16:
map = (u8 *)MMU_RenderMapToLCD(gpu->BG_map_ram[num]);
if (!map) return;
tile = (u8 *)MMU_RenderMapToLCD(gpu->BG_tile_ram[num]);
if (!tile) return;
if(dispCnt->ExBGxPalette_Enable)
pal = ARM9Mem.ExtPal[gpu->core][gpu->BGExtPalSlot[num]];
else
pal = ARM9Mem.ARM9_VMEM + gpu->core * 0x400;
if (!pal) return;
// 16 bit bgmap entries
apply_rot_fun<rot_tiled_16bit_entry<MOSAIC> >(gpu,X,Y,PA,PB,PC,PD,LG, map, tile, pal, dispCnt->ExBGxPalette_Enable);
apply_rot_fun<rot_tiled_16bit_entry<MOSAIC> >(gpu,X,Y,PA,PB,PC,PD,LG, gpu->BG_map_ram[num], gpu->BG_tile_ram[num], pal, dispCnt->ExBGxPalette_Enable);
return;
case BGType_AffineExt_256x1:
// 256 colors
map = (u8 *)MMU_RenderMapToLCD(gpu->BG_bmp_ram[num]);
if (!map) return;
pal = ARM9Mem.ARM9_VMEM + gpu->core * 0x400;
apply_rot_fun<rot_256_map<MOSAIC> >(gpu,X,Y,PA,PB,PC,PD,LG, map, NULL, pal, 0);
apply_rot_fun<rot_256_map<MOSAIC> >(gpu,X,Y,PA,PB,PC,PD,LG, gpu->BG_bmp_ram[num], NULL, pal, 0);
return;
case BGType_AffineExt_Direct:
// direct colors / BMP
map = (u8 *)MMU_RenderMapToLCD(gpu->BG_bmp_ram[num]);
if (!map) return;
apply_rot_fun<rot_BMP_map<MOSAIC> >(gpu,X,Y,PA,PB,PC,PD,LG, map, NULL, NULL, 0);
apply_rot_fun<rot_BMP_map<MOSAIC> >(gpu,X,Y,PA,PB,PC,PD,LG, gpu->BG_bmp_ram[num], NULL, NULL, 0);
return;
case BGType_Large8bpp:
// large screen 256 colors
map = (u8 *)MMU_RenderMapToLCD(gpu->BG_bmp_large_ram[num]);
if (!map) return;
pal = ARM9Mem.ARM9_VMEM + gpu->core * 0x400;
apply_rot_fun<rot_256_map<MOSAIC> >(gpu,X,Y,PA,PB,PC,PD,LG, map, NULL, pal, 0);
apply_rot_fun<rot_256_map<MOSAIC> >(gpu,X,Y,PA,PB,PC,PD,LG, gpu->BG_bmp_large_ram[num], NULL, pal, 0);
return;
default: break;
}