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Add depth writting

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This commit is contained in:
ReinUsesLisp 2018-08-22 01:38:59 -03:00
parent afc44850be
commit 1e52741e0e
3 changed files with 73 additions and 5 deletions
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10
Ryujinx.Graphics/Gal/Shader/GlslDecl.cs
View file

@ -94,7 +94,8 @@ namespace Ryujinx.Graphics.Gal.Shader
m_Preds = new Dictionary<int, ShaderDeclInfo>();
}
public GlslDecl(ShaderIrBlock[] Blocks, GalShaderType ShaderType) : this(ShaderType)
public GlslDecl(ShaderIrBlock[] Blocks, GalShaderType ShaderType, ShaderHeader Header)
: this(ShaderType)
{
StagePrefix = StagePrefixes[(int)ShaderType] + "_";
@ -153,6 +154,11 @@ namespace Ryujinx.Graphics.Gal.Shader
return Combined;
}
public static string GetGprName(int Index)
{
return GprName + Index;
}
private static void Merge(
Dictionary<int, ShaderDeclInfo> C,
Dictionary<int, ShaderDeclInfo> A,
@ -318,7 +324,7 @@ namespace Ryujinx.Graphics.Gal.Shader
{
if (!Gpr.IsConst && !HasName(m_Gprs, Gpr.Index))
{
string Name = GprName + Gpr.Index;
string Name = GetGprName(Gpr.Index);
m_Gprs.TryAdd(Gpr.Index, new ShaderDeclInfo(Name, Gpr.Index));
}

14
Ryujinx.Graphics/Gal/Shader/GlslDecompiler.cs
View file

@ -120,8 +120,8 @@ namespace Ryujinx.Graphics.Gal.Shader
Blocks = ShaderDecoder.Decode(Memory, VpAPosition);
BlocksB = ShaderDecoder.Decode(Memory, VpBPosition);
GlslDecl DeclVpA = new GlslDecl(Blocks, ShaderType);
GlslDecl DeclVpB = new GlslDecl(BlocksB, ShaderType);
GlslDecl DeclVpA = new GlslDecl(Blocks, ShaderType, Header);
GlslDecl DeclVpB = new GlslDecl(BlocksB, ShaderType, HeaderB);
Decl = GlslDecl.Merge(DeclVpA, DeclVpB);
@ -136,7 +136,7 @@ namespace Ryujinx.Graphics.Gal.Shader
Blocks = ShaderDecoder.Decode(Memory, Position);
BlocksB = null;
Decl = new GlslDecl(Blocks, ShaderType);
Decl = new GlslDecl(Blocks, ShaderType, Header);
return Decompile();
}
@ -432,6 +432,14 @@ namespace Ryujinx.Graphics.Gal.Shader
PrintAttrToOutput();
}
if (Decl.ShaderType == GalShaderType.Fragment)
{
if (Header.OmapDepth)
{
SB.AppendLine(IdentationStr + "gl_FragDepth = " + GlslDecl.GetGprName(Header.DepthRegister) + ";");
}
}
SB.AppendLine("}");
}

54
Ryujinx.Graphics/Gal/Shader/ShaderHeader.cs
View file

@ -1,5 +1,15 @@
namespace Ryujinx.Graphics.Gal.Shader
{
struct OmapTarget
{
public bool Red;
public bool Green;
public bool Blue;
public bool Alpha;
public bool Enabled => Red || Green || Blue || Alpha;
}
class ShaderHeader
{
public const int PointList = 1;
@ -30,6 +40,10 @@
public int StoreReqStart { get; private set; }
public int StoreReqEnd { get; private set; }
public OmapTarget[] OmapTargets { get; private set; }
public bool OmapSampleMask { get; private set; }
public bool OmapDepth { get; private set; }
public ShaderHeader(IGalMemory Memory, long Position)
{
uint CommonWord0 = (uint)Memory.ReadInt32(Position + 0);
@ -61,8 +75,48 @@
MaxOutputVertexCount = ReadBits(CommonWord4, 0, 12);
StoreReqStart = ReadBits(CommonWord4, 12, 8);
StoreReqEnd = ReadBits(CommonWord4, 24, 8);
//Type 2 (fragment?) reading
uint Type2OmapTarget = (uint)Memory.ReadInt32(Position + 72);
uint Type2Omap = (uint)Memory.ReadInt32(Position + 76);
OmapTargets = new OmapTarget[8];
for (int i = 0; i < OmapTargets.Length; i++)
{
int Offset = i * 4;
OmapTargets[i] = new OmapTarget
{
Red = ReadBits(Type2OmapTarget, Offset + 0, 1) != 0,
Green = ReadBits(Type2OmapTarget, Offset + 1, 1) != 0,
Blue = ReadBits(Type2OmapTarget, Offset + 2, 1) != 0,
Alpha = ReadBits(Type2OmapTarget, Offset + 3, 1) != 0
};
}
OmapSampleMask = ReadBits(Type2Omap, 0, 1) != 0;
OmapDepth = ReadBits(Type2Omap, 1, 1) != 0;
}
public int FragOutputCount
{
get
{
int Index = 0;
while (OmapTargets[Index].Enabled && Index < 8)
{
Index++;
}
return Index;
}
}
// Depth register is always two registers after the last color output
public int DepthRegister => FragOutputCount * 4 + 1;
private static int ReadBits(uint Word, int Offset, int BitWidth)
{
uint Mask = (1u << BitWidth) - 1u;