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Diffstat (limited to 'Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs')
-rw-r--r--Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs35
1 files changed, 35 insertions, 0 deletions
diff --git a/Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs b/Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
index bd947ab7..f9d61928 100644
--- a/Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
+++ b/Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
@@ -137,6 +137,14 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
context.AppendLine();
}
+ if (context.Config.Stage == ShaderStage.Fragment || context.Config.Stage == ShaderStage.Compute)
+ {
+ if (DeclareRenderScale(context))
+ {
+ context.AppendLine();
+ }
+ }
+
if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighS32) != 0)
{
AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighS32.glsl");
@@ -219,6 +227,33 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
}
}
+ private static bool DeclareRenderScale(CodeGenContext context)
+ {
+ if ((context.Config.UsedFeatures & (FeatureFlags.FragCoordXY | FeatureFlags.IntegerSampling)) != 0)
+ {
+ string stage = OperandManager.GetShaderStagePrefix(context.Config.Stage);
+
+ int scaleElements = context.TextureDescriptors.Count;
+
+ if (context.Config.Stage == ShaderStage.Fragment)
+ {
+ scaleElements++; // Also includes render target scale, for gl_FragCoord.
+ }
+
+ context.AppendLine($"uniform float {stage}_renderScale[{scaleElements}];");
+
+ if (context.Config.UsedFeatures.HasFlag(FeatureFlags.IntegerSampling))
+ {
+ context.AppendLine();
+ AppendHelperFunction(context, $"Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/TexelFetchScale_{stage}.glsl");
+ }
+
+ return true;
+ }
+
+ return false;
+ }
+
private static void DeclareStorages(CodeGenContext context, StructuredProgramInfo info)
{
string sbName = OperandManager.GetShaderStagePrefix(context.Config.Stage);