drashna/ryujinx
1
0
Fork 0
Code Activity Actions

Implement Geometry shaders (#280)

Browse source 
* Implement Geometry shaders

* Add EmitVertex() and EndPrimitive()

* Read output geometry data from header

* Stub Vmad

* Add Iadd_I32

* Stub Mov_S (S2R)

* Stub Isberd

* Change vertex index to gpr39 in Abuf

* Add stub messages for consistency

* Do not print input block when there is no attributes

* Use GL_ARB_enhanced_layouts

* Skip geometry shaders when there's no GL_ARB_enhanced_layouts

* Address feedback

* Address feedback
This commit is contained in:
ReinUsesLisp 2018-07-19 02:33:27 -03:00 • committed by gdkchan
parent bdb6cbb435
commit cd203e98f2
15 changed files with 426 additions and 48 deletions
Download patch file Download diff file Expand all files Collapse all files

37
Ryujinx.Graphics/Gal/Shader/ShaderDecodeAlu.cs
View file

@ -442,6 +442,41 @@ namespace Ryujinx.Graphics.Gal.Shader
return Signed ? ShaderIrInst.Asr : ShaderIrInst.Lsr;
}
public static void Vmad(ShaderIrBlock Block, long OpCode)
{
ShaderIrNode OperA = GetOperGpr8(OpCode);
ShaderIrNode OperB;
if (((OpCode >> 50) & 1) != 0)
{
OperB = GetOperGpr20(OpCode);
}
else
{
OperB = GetOperImm19_20(OpCode);
}
ShaderIrOperGpr OperC = GetOperGpr39(OpCode);
ShaderIrNode Tmp = new ShaderIrOp(ShaderIrInst.Mul, OperA, OperB);
ShaderIrNode Final = new ShaderIrOp(ShaderIrInst.Add, Tmp, OperC);
int Shr = (int)((OpCode >> 51) & 3);
if (Shr != 0)
{
int Shift = (Shr == 2) ? 15 : 7;
Final = new ShaderIrOp(ShaderIrInst.Lsr, Final, new ShaderIrOperImm(Shift));
}
Block.AddNode(new ShaderIrCmnt("Stubbed. Instruction is reduced to a * b + c"));
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), Final), OpCode));
}
public static void Xmad_CR(ShaderIrBlock Block, long OpCode)
{
EmitXmad(Block, OpCode, ShaderOper.CR);
@ -819,6 +854,8 @@ namespace Ryujinx.Graphics.Gal.Shader
OperA = GetAluFabsFneg(OperA, AbsA, NegA);
Block.AddNode(new ShaderIrCmnt("Stubbed."));
Block.AddNode(GetPredNode(new ShaderIrAsg(GetOperGpr0(OpCode), OperA), OpCode));
}