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(gpu.cpp) Refactor this code

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This commit is contained in:
twinaphex 2017-07-27 21:39:21 +02:00
parent a41a4dda11
commit ccb65c3395
1 changed files with 83 additions and 63 deletions
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146
mednafen/psx/gpu.cpp
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@ -1733,11 +1733,12 @@ void GPU_StartFrame(EmulateSpecStruct *espec_arg)
gpu->LineWidths = gpu->espec->LineWidths;
}
int GPU_StateAction(StateMem *sm, int load, int data_only)
uint32 TexCache_Tag[256];
uint16 TexCache_Data[256][4];
uint16 *vram_new = NULL;
void GPU_RestoreStateP1(bool load)
{
uint32 TexCache_Tag[256];
uint16 TexCache_Data[256][4];
uint16 *vram_new = NULL;
PS_GPU *gpu = (PS_GPU*)GPU;
if (gpu->upscale_shift == 0)
@ -1770,6 +1771,82 @@ int GPU_StateAction(StateMem *sm, int load, int data_only)
TexCache_Data[i][j] = gpu->TexCache[i].Data[j];
}
}
void GPU_RestoreStateP2(bool load)
{
PS_GPU *gpu = (PS_GPU*)GPU;
if (gpu->upscale_shift > 0)
{
if (load)
{
// Restore upscaled VRAM from savestate
for (unsigned y = 0; y < 512; y++)
{
for (unsigned x = 0; x < 1024; x++)
texel_put(x, y, vram_new[y * 1024 + x]);
}
}
delete [] vram_new;
vram_new = NULL;
}
}
void GPU_RestoreStateP3(void)
{
PS_GPU *gpu = (PS_GPU*)GPU;
for(unsigned i = 0; i < 256; i++)
{
gpu->TexCache[i].Tag = TexCache_Tag[i];
for(unsigned j = 0; j < 4; j++)
gpu->TexCache[i].Data[j] = TexCache_Data[i][j];
}
gpu->RecalcTexWindowStuff();
rsx_intf_set_tex_window(gpu->tww, gpu->twh, gpu->twx, gpu->twy);
GPU_BlitterFIFO.SaveStatePostLoad();
gpu->HorizStart &= 0xFFF;
gpu->HorizEnd &= 0xFFF;
gpu->DisplayFB_CurYOffset &= 0x1FF;
gpu->DisplayFB_CurLineYReadout &= 0x1FF;
gpu->TexPageX &= 0xF * 64;
gpu->TexPageY &= 0x10 * 16;
gpu->TexMode &= 0x3;
gpu->abr &= 0x3;
gpu->ClipX0 &= 1023;
gpu->ClipY0 &= 1023;
gpu->ClipX1 &= 1023;
gpu->ClipY1 &= 1023;
gpu->OffsX = sign_x_to_s32(11, gpu->OffsX);
gpu->OffsY = sign_x_to_s32(11, gpu->OffsY);
IRQ_Assert(IRQ_GPU, gpu->IRQPending);
rsx_intf_toggle_display(gpu->DisplayOff);
rsx_intf_set_draw_area(gpu->ClipX0, gpu->ClipY0,
gpu->ClipX1, gpu->ClipY1);
rsx_intf_load_image(0, 0,
1024, 512,
gpu->vram, false, false);
UpdateDisplayMode();
}
int GPU_StateAction(StateMem *sm, int load, int data_only)
{
PS_GPU *gpu = (PS_GPU*)GPU;
GPU_RestoreStateP1(load);
SFORMAT StateRegs[] =
{
// Hardcode entry name to remain backward compatible with the
@ -1893,67 +1970,10 @@ int GPU_StateAction(StateMem *sm, int load, int data_only)
int ret = MDFNSS_StateAction(sm, load, data_only, StateRegs, "GPU");
if (gpu->upscale_shift > 0)
{
if (load)
{
// Restore upscaled VRAM from savestate
for (unsigned y = 0; y < 512; y++)
{
for (unsigned x = 0; x < 1024; x++)
texel_put(x, y, vram_new[y * 1024 + x]);
}
}
delete [] vram_new;
vram_new = NULL;
}
GPU_RestoreStateP2(load);
if(load)
{
for(unsigned i = 0; i < 256; i++)
{
gpu->TexCache[i].Tag = TexCache_Tag[i];
for(unsigned j = 0; j < 4; j++)
gpu->TexCache[i].Data[j] = TexCache_Data[i][j];
}
gpu->RecalcTexWindowStuff();
rsx_intf_set_tex_window(gpu->tww, gpu->twh, gpu->twx, gpu->twy);
GPU_BlitterFIFO.SaveStatePostLoad();
gpu->HorizStart &= 0xFFF;
gpu->HorizEnd &= 0xFFF;
gpu->DisplayFB_CurYOffset &= 0x1FF;
gpu->DisplayFB_CurLineYReadout &= 0x1FF;
gpu->TexPageX &= 0xF * 64;
gpu->TexPageY &= 0x10 * 16;
gpu->TexMode &= 0x3;
gpu->abr &= 0x3;
gpu->ClipX0 &= 1023;
gpu->ClipY0 &= 1023;
gpu->ClipX1 &= 1023;
gpu->ClipY1 &= 1023;
gpu->OffsX = sign_x_to_s32(11, gpu->OffsX);
gpu->OffsY = sign_x_to_s32(11, gpu->OffsY);
IRQ_Assert(IRQ_GPU, gpu->IRQPending);
rsx_intf_toggle_display(gpu->DisplayOff);
rsx_intf_set_draw_area(gpu->ClipX0, gpu->ClipY0,
gpu->ClipX1, gpu->ClipY1);
rsx_intf_load_image(0, 0,
1024, 512,
gpu->vram, false, false);
UpdateDisplayMode();
}
GPU_RestoreStateP3();
return(ret);
}