drashna/ryujinx
1
0
Fork 0
Code Activity Actions

Simplify shader uniform buffer access codegen

Browse source
This commit is contained in:
gdk 2019-11-24 14:20:48 -03:00 • committed by Thog
parent 16d88c21fc
commit 1df78e7ad6
3 changed files with 18 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

28
Ryujinx.Graphics.Shader/CodeGen/Glsl/OperandManager.cs
View file

@ -93,7 +93,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
return NumberFormatter.FormatInt(operand.Value);
case OperandType.ConstantBuffer:
return GetConstantBufferName(operand.CbufSlot, operand.CbufOffset, stage);
return GetUniformBufferAccessor(operand.CbufSlot, operand.CbufOffset, stage);
case OperandType.LocalVariable:
return _locals[operand];
@ -105,28 +105,16 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
throw new ArgumentException($"Invalid operand type \"{operand.Type}\".");
}
public static string GetConstantBufferName(int slot, int offset, ShaderStage stage)
public static string GetUniformBufferAccessor(int slot, int offset, ShaderStage stage)
{
return GetUniformBufferAccessor(slot, NumberFormatter.FormatInt(offset), stage);
}
public static string GetUniformBufferAccessor(int slot, string offsetExpr, ShaderStage stage)
{
string ubName = GetUbName(stage, slot);
ubName += "[" + (offset >> 2) + "]";
return ubName + "." + GetSwizzleMask(offset & 3);
}
public static string GetConstantBufferName(IAstNode slot, string offsetExpr, ShaderStage stage)
{
// Non-constant slots are not supported.
// It is expected that upstream stages are never going to generate non-constant
// slot access.
AstOperand operand = (AstOperand)slot;
string ubName = GetUbName(stage, operand.Value);
string index0 = "[" + offsetExpr + " >> 2]";
string index1 = "[" + offsetExpr + " & 3]";
return ubName + index0 + index1;
return $"{ubName}[{offsetExpr}]";
}
public static string GetOutAttributeName(AstOperand attr, ShaderStage stage)