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| author | gdkchan <gab.dark.100@gmail.com> | 2023-07-29 18:47:03 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-07-29 18:47:03 -0300 |
| commit | f95b7c58779f01d9077996da67953d8d9acd058c (patch) | |
| tree | b0be466b2e52f966620aa2e0acb4524d28da1b22 /src/Ryujinx.Graphics.Shader/Instructions/InstEmitAttribute.cs | |
| parent | eb528ae0f05f057e671eb9e92f44f1caa9bcc84b (diff) | |
Fix incorrect fragment origin when YNegate is enabled (#4673)1.1.970
* Fix incorrect fragment origin when YNegate is enabled
* Shader cache version bump
* Do not update support buffer if shader does not read gl_FragCoord
* Pass unscaled viewport size to the support buffer
Diffstat (limited to 'src/Ryujinx.Graphics.Shader/Instructions/InstEmitAttribute.cs')
| -rw-r--r-- | src/Ryujinx.Graphics.Shader/Instructions/InstEmitAttribute.cs | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/Ryujinx.Graphics.Shader/Instructions/InstEmitAttribute.cs b/src/Ryujinx.Graphics.Shader/Instructions/InstEmitAttribute.cs index 1876847c..c7bd0fd6 100644 --- a/src/Ryujinx.Graphics.Shader/Instructions/InstEmitAttribute.cs +++ b/src/Ryujinx.Graphics.Shader/Instructions/InstEmitAttribute.cs @@ -161,6 +161,18 @@ namespace Ryujinx.Graphics.Shader.Instructions // FragCoord X/Y must be divided by the render target scale, if resolution scaling is active, // because the shader code is not expecting scaled values. res = context.FPDivide(res, context.Load(StorageKind.ConstantBuffer, SupportBuffer.Binding, Const((int)SupportBufferField.RenderScale), Const(0))); + + if (op.Imm10 == AttributeConsts.PositionY && context.Config.Options.TargetApi != TargetApi.OpenGL) + { + // If YNegate is enabled, we need to flip the fragment coordinates vertically, unless + // the API supports changing the origin (only OpenGL does). + if (context.Config.GpuAccessor.QueryYNegateEnabled()) + { + Operand viewportHeight = context.Load(StorageKind.ConstantBuffer, 0, Const((int)SupportBufferField.ViewportSize), Const(1)); + + res = context.FPSubtract(viewportHeight, res); + } + } } else if (op.Imm10 == AttributeConsts.FrontFacing && context.Config.GpuAccessor.QueryHostHasFrontFacingBug()) { |