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Implement pixel data reinterpretation on EFB format change.

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Whatever that means, it fixes that stupid Super Mario Sunshine glitch and possibly lots of other stuff, so test as many glitchy games as possible with this ;)


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6669 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
NeoBrainX
2010-12-27 21:56:20 +00:00
parent 6e8df50fff
commit a271bb8182
22 changed files with 221 additions and 10 deletions
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57
Source/Core/VideoCommon/Src/BPFunctions.cpp
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@ -134,6 +134,63 @@ void ClearScreen(const BPCmd &bp, const EFBRectangle &rc)
}
}
void OnPixelFormatChange(const BPCmd &bp)
{
/*
* When changing the EFB format, the pixel data won't get converted to the new format but stays the same.
* Since we are always using an RGBA8 buffer though, this causes issues in some games.
* Thus, we reinterpret the old EFB data with the new format here.
*/
if (!g_ActiveConfig.bEFBEmulateFormatChanges ||
!g_ActiveConfig.backend_info.bSupportsFormatReinterpretation)
return;
int new_format = bpmem.zcontrol.pixel_format;
int old_format = Renderer::GetPrevPixelFormat();
// no need to reinterpret pixel data in these cases
if (new_format == old_format || old_format == (unsigned int)-1)
goto skip;
int convtype = -1;
switch (old_format)
{
case PIXELFMT_RGB8_Z24:
case PIXELFMT_Z24:
// Z24 and RGB8_Z24 are treated equal, so just return in this case
if (new_format == PIXELFMT_RGB565_Z16 || new_format == PIXELFMT_Z24)
goto skip;
if (new_format == PIXELFMT_RGBA6_Z24)
convtype = 0;
else if (new_format == PIXELFMT_RGB565_Z16)
convtype = 1;
break;
case PIXELFMT_RGBA6_Z24:
if (new_format == PIXELFMT_RGB8_Z24 ||
new_format == PIXELFMT_Z24)
convtype = 2;
else if (new_format == PIXELFMT_RGB565_Z16)
convtype = 3;
break;
case PIXELFMT_RGB565_Z16:
if (new_format == PIXELFMT_RGB8_Z24 ||
new_format == PIXELFMT_Z24)
convtype = 4;
else if (new_format == PIXELFMT_RGB565_Z16)
convtype = 5;
break;
default:
PanicAlert("Unhandled EFB format change: %d to %d\n", old_format, new_format);
goto skip;
}
g_renderer->ReinterpretPixelData(convtype);
skip:
Renderer::StorePixelFormat(new_format);
}
void RestoreRenderState(const BPCmd &bp)
{