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Scissor test fix (#563)

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* Handle negative viewport coordinates

* Disable scissor before framebuffer blit

* Comment to explain scissor disable will be reenabled if needed

* Comma and spelling mistake
This commit is contained in:
BaronKiko 2019-02-01 01:37:07 +00:00 • committed by gdkchan
parent d191b256a6
commit f5b4f6ccc4
3 changed files with 20 additions and 14 deletions
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8
Ryujinx.Graphics/Graphics3d/NvGpuEngine3d.cs
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@ -419,7 +419,7 @@ namespace Ryujinx.Graphics.Graphics3d
// Once geometry shaders are fixed it should be equal to GalPipelineState.RenderTargetCount when shader loaded, otherwise equal to 1
State.ScissorTestCount = 1;
for (int Index = 0; Index < GalPipelineState.RenderTargetsCount; Index++)
for (int Index = 0; Index < State.ScissorTestCount; Index++)
{
State.ScissorTestEnabled[Index] = ReadRegisterBool(NvGpuEngine3dReg.ScissorEnable + Index * 4);
@ -438,6 +438,12 @@ namespace Ryujinx.Graphics.Graphics3d
if ((int)State.FlipY == -1)
{
State.ScissorTestY[Index] = ViewportHeight - State.ScissorTestY[Index] - State.ScissorTestHeight[Index];
// Handle negative viewpont coordinate
if (State.ScissorTestY[Index] < 0)
{
State.ScissorTestY[Index] = 0;
}
}
}
}