diff options
Diffstat (limited to 'arm9/src/GX_layers.c')
| -rw-r--r-- | arm9/src/GX_layers.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/arm9/src/GX_layers.c b/arm9/src/GX_layers.c new file mode 100644 index 00000000..a43a2277 --- /dev/null +++ b/arm9/src/GX_layers.c @@ -0,0 +1,110 @@ +#include "GX_layers.h" + + +struct GX_LayerData layer_data; + +THUMB_FUNC void FUN_0201E66C(const struct GraphicsBanks *banks) +{ + GX_ResetBankForBG(); + GX_ResetBankForBGExtPltt(); + GX_ResetBankForSubBG(); + FUN_020C6034(); + GX_ResetBankForOBJ(); + GX_ResetBankForOBJExtPltt(); + FUN_020C605C(); + GX_ResetBankForSubOBJ(); + GX_ResetBankForTex(); + GX_ResetBankForTexPltt(); + + GX_SetBankForBG(banks->bg); + GX_SetBankForBGExtPltt(banks->bgextpltt); + GX_SetBankForSubBG(banks->subbg); + GX_SetBankForSubBGExtPltt(banks->subbgextpltt); + GX_SetBankForOBJ(banks->obj); + GX_SetBankForOBJExtPltt(banks->objextpltt); + GX_SetBankForSubOBJ(banks->subobj); + GX_SetBankForSubOBJExtPltt(banks->subobjextpltt); + GX_SetBankForTex(banks->tex); + GX_SetBankForTexPltt(banks->texpltt); +} + + +THUMB_FUNC void GX_DisableEngineALayers() +{ + layer_data.EngineA_DISPCNT_LayerMask = 0; +} + +THUMB_FUNC void GX_EngineAToggleLayers(u32 layer_mask, GX_LayerToggle layer_toggle) +{ + if (layer_toggle == GX_LAYER_TOGGLE_ON) + { + if ((layer_data.EngineA_DISPCNT_LayerMask & layer_mask) != 0) + { + return; + } + } + else + { + if ((layer_data.EngineA_DISPCNT_LayerMask & layer_mask) == 0) + { + return; + } + } + + reg_GX_DISPCNT = (reg_GX_DISPCNT & 0xFFFFE0FF) | (layer_data.EngineA_DISPCNT_LayerMask ^= layer_mask) << 8; +} + +THUMB_FUNC void GX_SetEngineALayers(u32 layer_mask) +{ + layer_data.EngineA_DISPCNT_LayerMask = layer_mask; + reg_GX_DISPCNT = (reg_GX_DISPCNT & 0xFFFFE0FF) | layer_mask << 8; +} + +THUMB_FUNC void GX_DisableEngineBLayers() +{ + layer_data.EngineB_DISPCNT_LayerMask = 0; +} + +THUMB_FUNC void GX_EngineBToggleLayers(u32 layer_mask, GX_LayerToggle layer_toggle) +{ + if (layer_toggle == GX_LAYER_TOGGLE_ON) + { + if ((layer_data.EngineB_DISPCNT_LayerMask & layer_mask) != 0) + { + return; + } + } + else + { + if ((layer_data.EngineB_DISPCNT_LayerMask & layer_mask) == 0) + { + return; + } + } + + reg_GXS_DB_DISPCNT = (reg_GXS_DB_DISPCNT & 0xFFFFE0FF) | (layer_data.EngineB_DISPCNT_LayerMask ^= layer_mask) << 8; +} + +THUMB_FUNC void GX_BothDispOn() +{ + GX_DispOn(); + + reg_GXS_DB_DISPCNT |= 0x10000; +} + +THUMB_FUNC void GX_SwapDisplay() +{ + if (gMain.unk65 == 0) + { + reg_GX_POWCNT |= 0x8000; //send display A to lower screen + } + else + { + reg_GX_POWCNT &= 0xFFFF7FFF; // sned display A to upper screen + } +} + +THUMB_FUNC u32 GX_GetEngineALayers() +{ + return layer_data.EngineA_DISPCNT_LayerMask; +}
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