piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-23 06:09:50 -06:00
Code Issues Packages Projects Releases Wiki Activity

VideoCommon: Perform OpenGL bounding box inversion in pixel shader

Browse Source 
Running the min/max operation on the upside down, quad-rounded pixel
coordinates before inverting them to the standard upper-left origin
produces wrong results. Therefore, we need to do the inversion before
rounding to pixel quads.
This commit is contained in:
Techjar
2021-06-05 06:47:04 -04:00
parent 638909aec6
commit 4866002c9b
2 changed files with 9 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
Source/Core/VideoBackends/OGL/OGLRender.cpp
View File

@ -856,30 +856,12 @@ void Renderer::SetScissorRect(const MathUtil::Rectangle<int>& rc)
u16 Renderer::BBoxReadImpl(int index)
{
// swap 2 and 3 for top/bottom
if (index >= 2)
index ^= 1;
int value = BoundingBox::Get(index);
if (index >= 2)
{
// up/down -- we have to swap up and down
value = EFB_HEIGHT - value;
}
return static_cast<u16>(value);
return static_cast<u16>(BoundingBox::Get(index));
}
void Renderer::BBoxWriteImpl(int index, u16 value)
{
s32 swapped_value = value;
if (index >= 2)
{
index ^= 1; // swap 2 and 3 for top/bottom
swapped_value = EFB_HEIGHT - swapped_value;
}
BoundingBox::Set(index, swapped_value);
BoundingBox::Set(index, value);
}
void Renderer::BBoxFlushImpl()