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Add support for hybrid XFB

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This commit is contained in:
iwubcode
2017-05-29 17:02:09 -05:00
parent 84ca9a4aec
commit 79387dddb2
45 changed files with 400 additions and 985 deletions
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34
Source/Core/VideoBackends/Software/EfbInterface.cpp
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@ -520,15 +520,6 @@ void CopyToXFB(yuv422_packed* xfb_in_ram, u32 fbWidth, u32 fbHeight, const EFBRe
// Scanline buffer, leave room for borders
yuv444 scanline[EFB_WIDTH + 2];
// our internal yuv444 type is not normalized, so black is {0, 0, 0} instead of {16, 128, 128}
yuv444 black;
black.Y = 0;
black.U = 0;
black.V = 0;
scanline[0] = black; // black border at start
scanline[right + 1] = black; // black border at end
for (u16 y = sourceRc.top; y < sourceRc.bottom; y++)
{
// Get a scanline of YUV pixels in 4:4:4 format
@ -538,6 +529,10 @@ void CopyToXFB(yuv422_packed* xfb_in_ram, u32 fbWidth, u32 fbHeight, const EFBRe
scanline[i] = GetColorYUV(x, y);
}
// Flipper clamps the border colors
scanline[0] = scanline[1];
scanline[right + 1] = scanline[right];
// And Downsample them to 4:2:2
for (int i = 1, x = left; x < right; i += 2, x += 2)
{
@ -562,26 +557,7 @@ void CopyToXFB(yuv422_packed* xfb_in_ram, u32 fbWidth, u32 fbHeight, const EFBRe
// main memory or doing a yuyv conversion
void BypassXFB(u8* texture, u32 fbWidth, u32 fbHeight, const EFBRectangle& sourceRc, float Gamma)
{
if (fbWidth * fbHeight > MAX_XFB_WIDTH * MAX_XFB_HEIGHT)
{
ERROR_LOG(VIDEO, "Framebuffer is too large: %ix%i", fbWidth, fbHeight);
return;
}
size_t textureAddress = 0;
const int left = sourceRc.left;
const int right = sourceRc.right;
for (u16 y = sourceRc.top; y < sourceRc.bottom; y++)
{
for (u16 x = left; x < right; x++)
{
const u32 color = Common::swap32(GetColor(x, y) | 0xFF);
std::memcpy(&texture[textureAddress], &color, sizeof(u32));
textureAddress += sizeof(u32);
}
}
// TODO: Upload directly to texture cache.
}
bool ZCompare(u16 x, u16 y, u32 z)