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Implement multiple rendertarget attachments and depth writting (#375)

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* Add depth writting

* Implement multiple attachments

* Address feedback
This commit is contained in:
ReinUsesLisp 2018-08-23 02:07:23 -03:00 • committed by gdkchan
parent 9977acad0f
commit 624e813cd3
7 changed files with 201 additions and 29 deletions
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75
Ryujinx.Graphics/Gal/Shader/ShaderHeader.cs
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@ -1,5 +1,30 @@
namespace Ryujinx.Graphics.Gal.Shader
using System;
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;
public bool ComponentEnabled(int Component)
{
switch (Component)
{
case 0: return Red;
case 1: return Green;
case 2: return Blue;
case 3: return Alpha;
}
throw new ArgumentException(nameof(Component));
}
}
class ShaderHeader
{
public const int PointList = 1;
@ -30,6 +55,10 @@
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);
@ -61,6 +90,50 @@
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 DepthRegister
{
get
{
int Count = 0;
for (int Index = 0; Index < OmapTargets.Length; Index++)
{
for (int Component = 0; Component < 4; Component++)
{
if (OmapTargets[Index].ComponentEnabled(Component))
{
Count++;
}
}
}
// Depth register is always two registers after the last color output
return Count + 1;
}
}
private static int ReadBits(uint Word, int Offset, int BitWidth)