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more fixes to affine scroll handling: fixes nsmb backdrops

This commit is contained in:
zeromus 2009-05-02 19:58:18 +00:00
parent 5317608340
commit 54d6fad245
2 changed files with 30 additions and 15 deletions
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43
desmume/src/GPU.cpp
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@ -3143,7 +3143,9 @@ void GPU_ligne(NDS_Screen * screen, u16 l)
//SPP level 3-8 rotoscale room
//NSMB raster fx backdrops
//bubble bobble revolution classic mode
gpu->refreshAffineStartRegs();
//NOTE:
//I am REALLY unsatisfied with this logic now. But it seems to be working..
gpu->refreshAffineStartRegs(-1,-1);
}
//cache some parameters which are assumed to be stable throughout the rendering of the entire line
@ -3273,8 +3275,8 @@ bool gpu_loadstate(std::istream* is, int size)
read32le(&SubScreen.gpu->affineInfo[0].y,is);
read32le(&SubScreen.gpu->affineInfo[1].x,is);
read32le(&SubScreen.gpu->affineInfo[1].y,is);
MainScreen.gpu->refreshAffineStartRegs();
SubScreen.gpu->refreshAffineStartRegs();
MainScreen.gpu->refreshAffineStartRegs(-1,-1);
SubScreen.gpu->refreshAffineStartRegs(-1,-1);
}
MainScreen.gpu->updateBLDALPHA();
@ -3300,22 +3302,35 @@ void GPU::setAffineStart(int layer, int xy, u32 val)
{
if(xy==0) affineInfo[layer-2].x = val;
else affineInfo[layer-2].y = val;
refreshAffineStartRegs();
refreshAffineStartRegs(layer,xy);
}
void GPU::refreshAffineStartRegs()
void GPU::refreshAffineStartRegs(const int num, const int xy)
{
for(int num=2;num<=3;num++)
if(num==-1)
{
BGxPARMS * parms;
if (num==2)
parms = &(dispx_st)->dispx_BG2PARMS;
else
parms = &(dispx_st)->dispx_BG3PARMS;
parms->BGxX = affineInfo[num-2].x;
parms->BGxY = affineInfo[num-2].y;
refreshAffineStartRegs(2,xy);
refreshAffineStartRegs(3,xy);
return;
}
if(xy==-1)
{
refreshAffineStartRegs(num,0);
refreshAffineStartRegs(num,1);
return;
}
BGxPARMS * parms;
if (num==2)
parms = &(dispx_st)->dispx_BG2PARMS;
else
parms = &(dispx_st)->dispx_BG3PARMS;
if(xy==0)
parms->BGxX = affineInfo[num-2].x;
else
parms->BGxY = affineInfo[num-2].y;
}
void gpu_UpdateRender()

2
desmume/src/GPU.h
View File

@ -785,7 +785,7 @@ struct GPU
void setAffineStart(int layer, int xy, u32 val);
void setAffineStartWord(int layer, int xy, u16 val, int word);
u32 getAffineStart(int layer, int xy);
void refreshAffineStartRegs();
void refreshAffineStartRegs(const int num, const int xy);
struct AffineInfo {
AffineInfo() : x(0), y(0) {}