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Simplify logic for bindless texture handling (#1667)

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* Simplify logic for bindless texture handling

* Nits
This commit is contained in:
gdkchan 2020-11-09 19:35:04 -03:00 • committed by GitHub
parent eda6b78894
commit 934a78005e
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GPG key ID: 4AEE18F83AFDEB23
16 changed files with 131 additions and 191 deletions
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11
Ryujinx.Graphics.Shader/CodeGen/Glsl/CodeGenContext.cs
View file

@ -86,18 +86,11 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
private int FindDescriptorIndex(List<TextureDescriptor> list, AstTextureOperation texOp)
{
AstOperand operand = texOp.GetSource(0) as AstOperand;
bool bindless = (texOp.Flags & TextureFlags.Bindless) > 0;
int cBufSlot = bindless ? operand.CbufSlot : 0;
int cBufOffset = bindless ? operand.CbufOffset : 0;
return list.FindIndex(descriptor =>
descriptor.Type == texOp.Type &&
descriptor.CbufSlot == texOp.CbufSlot &&
descriptor.HandleIndex == texOp.Handle &&
descriptor.Format == texOp.Format &&
descriptor.CbufSlot == cBufSlot &&
descriptor.CbufOffset == cBufOffset);
descriptor.Format == texOp.Format);
}
public int FindTextureDescriptorIndex(AstTextureOperation texOp)

24
Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs
View file

@ -305,24 +305,14 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
string samplerName = OperandManager.GetSamplerName(context.Config.Stage, texOp, indexExpr);
if (!samplers.Add(samplerName))
if ((texOp.Flags & TextureFlags.Bindless) != 0 || !samplers.Add(samplerName))
{
continue;
}
int firstBinding = -1;
if ((texOp.Flags & TextureFlags.Bindless) != 0)
{
AstOperand operand = texOp.GetSource(0) as AstOperand;
firstBinding = context.Config.Counts.IncrementTexturesCount();
var desc = new TextureDescriptor(firstBinding, texOp.Type, operand.CbufSlot, operand.CbufOffset);
context.TextureDescriptors.Add(desc);
}
else if ((texOp.Type & SamplerType.Indexed) != 0)
if ((texOp.Type & SamplerType.Indexed) != 0)
{
for (int index = 0; index < texOp.ArraySize; index++)
{
@ -333,7 +323,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
firstBinding = binding;
}
var desc = new TextureDescriptor(binding, texOp.Type, texOp.Format, texOp.Handle + index * 2);
var desc = new TextureDescriptor(binding, texOp.Type, texOp.Format, texOp.CbufSlot, texOp.Handle + index * 2);
context.TextureDescriptors.Add(desc);
}
@ -342,7 +332,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
firstBinding = context.Config.Counts.IncrementTexturesCount();
var desc = new TextureDescriptor(firstBinding, texOp.Type, texOp.Format, texOp.Handle);
var desc = new TextureDescriptor(firstBinding, texOp.Type, texOp.Format, texOp.CbufSlot, texOp.Handle);
context.TextureDescriptors.Add(desc);
}
@ -363,7 +353,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
string imageName = OperandManager.GetImageName(context.Config.Stage, texOp, indexExpr);
if (!images.Add(imageName))
if ((texOp.Flags & TextureFlags.Bindless) != 0 || !images.Add(imageName))
{
continue;
}
@ -381,7 +371,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
firstBinding = binding;
}
var desc = new TextureDescriptor(binding, texOp.Type, texOp.Format, texOp.Handle + index * 2);
var desc = new TextureDescriptor(binding, texOp.Type, texOp.Format, texOp.CbufSlot, texOp.Handle + index * 2);
context.ImageDescriptors.Add(desc);
}
@ -390,7 +380,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
{
firstBinding = context.Config.Counts.IncrementImagesCount();
var desc = new TextureDescriptor(firstBinding, texOp.Type, texOp.Format, texOp.Handle);
var desc = new TextureDescriptor(firstBinding, texOp.Type, texOp.Format, texOp.CbufSlot, texOp.Handle);
context.ImageDescriptors.Add(desc);
}

36
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
View file

@ -15,7 +15,13 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
bool isArray = (texOp.Type & SamplerType.Array) != 0;
// TODO: Bindless texture support. For now we just return 0/do nothing.
if (isBindless)
{
return texOp.Inst == Instruction.ImageLoad ? NumberFormatter.FormatFloat(0) : "// imageStore(bindless)";
}
bool isArray = (texOp.Type & SamplerType.Array) != 0;
bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
string texCall = texOp.Inst == Instruction.ImageLoad ? "imageLoad" : "imageStore";
@ -79,7 +85,10 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
flags |= TextureUsageFlags.ResScaleUnsupported;
}
context.ImageDescriptors[index] = context.ImageDescriptors[index].SetFlag(flags);
if (!isBindless)
{
context.ImageDescriptors[index] = context.ImageDescriptors[index].SetFlag(flags);
}
return vector;
}
@ -212,6 +221,12 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
// TODO: Bindless texture support. For now we just return 0.
if (isBindless)
{
return NumberFormatter.FormatFloat(0);
}
bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
string indexExpr = null;
@ -306,6 +321,12 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
bool isMultisample = (texOp.Type & SamplerType.Multisample) != 0;
bool isShadow = (texOp.Type & SamplerType.Shadow) != 0;
// TODO: Bindless texture support. For now we just return 0.
if (isBindless)
{
return NumberFormatter.FormatFloat(0);
}
// This combination is valid, but not available on GLSL.
// For now, ignore the LOD level and do a normal sample.
// TODO: How to implement it properly?
@ -469,7 +490,10 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
flags |= TextureUsageFlags.ResScaleUnsupported;
}
context.TextureDescriptors[index] = context.TextureDescriptors[index].SetFlag(flags);
if (!isBindless)
{
context.TextureDescriptors[index] = context.TextureDescriptors[index].SetFlag(flags);
}
}
return vector;
@ -572,6 +596,12 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
bool isBindless = (texOp.Flags & TextureFlags.Bindless) != 0;
// TODO: Bindless texture support. For now we just return 0.
if (isBindless)
{
return NumberFormatter.FormatInt(0);
}
bool isIndexed = (texOp.Type & SamplerType.Indexed) != 0;
string indexExpr = null;

19
Ryujinx.Graphics.Shader/CodeGen/Glsl/OperandManager.cs
View file

@ -241,22 +241,11 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
public static string GetSamplerName(ShaderStage stage, AstTextureOperation texOp, string indexExpr)
{
string suffix;
string suffix = texOp.CbufSlot < 0 ? $"_tcb_{texOp.Handle:X}" : $"_cb{texOp.CbufSlot}_{texOp.Handle:X}";
if ((texOp.Flags & TextureFlags.Bindless) != 0)
if ((texOp.Type & SamplerType.Indexed) != 0)
{
AstOperand operand = texOp.GetSource(0) as AstOperand;
suffix = $"_{texOp.Type.ToGlslSamplerType()}_cb{operand.CbufSlot}_{operand.CbufOffset}";
}
else
{
suffix = texOp.Handle.ToString("X");
if ((texOp.Type & SamplerType.Indexed) != 0)
{
suffix += $"a[{indexExpr}]";
}
suffix += $"a[{indexExpr}]";
}
return GetShaderStagePrefix(stage) + "_" + DefaultNames.SamplerNamePrefix + suffix;
@ -264,7 +253,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
public static string GetImageName(ShaderStage stage, AstTextureOperation texOp, string indexExpr)
{
string suffix = texOp.Handle.ToString("X") + "_" + texOp.Format.ToGlslFormat();
string suffix = texOp.CbufSlot < 0 ? $"_tcb_{texOp.Handle:X}_{texOp.Format.ToGlslFormat()}" : $"_cb{texOp.CbufSlot}_{texOp.Handle:X}_{texOp.Format.ToGlslFormat()}";
if ((texOp.Type & SamplerType.Indexed) != 0)
{