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Support res scale on images, correctly blacklist for SUST, move logic out of backend. (#1657)

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* Support res scale on images, correctly blacklist for SUST, move logic
out of backend.

* Fix Typo
This commit is contained in:
riperiperi 2020-11-02 19:53:23 +00:00 • committed by GitHub
parent 11a7c99764
commit e1da7df207
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 199 additions and 78 deletions
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66
Ryujinx.Graphics.Shader/CodeGen/Glsl/Instructions/InstGenMemory.cs
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@ -47,6 +47,43 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
texCall += ", " + str;
}
string ApplyScaling(string vector)
{
int index = context.FindImageDescriptorIndex(texOp);
TextureUsageFlags flags = TextureUsageFlags.NeedsScaleValue;
if ((context.Config.Stage == ShaderStage.Fragment || context.Config.Stage == ShaderStage.Compute) &&
texOp.Inst == Instruction.ImageLoad &&
!isBindless &&
!isIndexed)
{
// Image scales start after texture ones.
int scaleIndex = context.TextureDescriptors.Count + index;
if (pCount == 3 && isArray)
{
// The array index is not scaled, just x and y.
vector = "ivec3(Helper_TexelFetchScale((" + vector + ").xy, " + scaleIndex + "), (" + vector + ").z)";
}
else if (pCount == 2 && !isArray)
{
vector = "Helper_TexelFetchScale(" + vector + ", " + scaleIndex + ")";
}
else
{
flags |= TextureUsageFlags.ResScaleUnsupported;
}
}
else
{
flags |= TextureUsageFlags.ResScaleUnsupported;
}
context.ImageDescriptors[index] = context.ImageDescriptors[index].SetFlag(flags);
return vector;
}
if (pCount > 1)
{
string[] elems = new string[pCount];
@ -56,7 +93,7 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
elems[index] = Src(VariableType.S32);
}
Append("ivec" + pCount + "(" + string.Join(", ", elems) + ")");
Append(ApplyScaling("ivec" + pCount + "(" + string.Join(", ", elems) + ")"));
}
else
{
@ -404,28 +441,35 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
if (intCoords)
{
int index = context.FindTextureDescriptorIndex(texOp);
TextureUsageFlags flags = TextureUsageFlags.NeedsScaleValue;
if ((context.Config.Stage == ShaderStage.Fragment || context.Config.Stage == ShaderStage.Compute) &&
(texOp.Flags & TextureFlags.Bindless) == 0 &&
texOp.Type != SamplerType.Indexed)
!isBindless &&
!isIndexed)
{
if (pCount == 3 && isArray)
{
// The array index is not scaled, just x and y.
return "ivec3(Helper_TexelFetchScale((" + vector + ").xy, " + index + "), (" + vector + ").z)";
vector = "ivec3(Helper_TexelFetchScale((" + vector + ").xy, " + index + "), (" + vector + ").z)";
}
else if (pCount == 2 && !isArray)
{
return "Helper_TexelFetchScale(" + vector + ", " + index + ")";
vector = "Helper_TexelFetchScale(" + vector + ", " + index + ")";
}
else
{
flags |= TextureUsageFlags.ResScaleUnsupported;
}
}
else
{
// Resolution scaling cannot be applied to this texture right now.
// Flag so that we know to blacklist scaling on related textures when binding them.
flags |= TextureUsageFlags.ResScaleUnsupported;
}
// Resolution scaling cannot be applied to this texture right now.
// Flag so that we know to blacklist scaling on related textures when binding them.
TextureDescriptor descriptor = context.TextureDescriptors[index];
descriptor.Flags |= TextureUsageFlags.ResScaleUnsupported;
context.TextureDescriptors[index] = descriptor;
context.TextureDescriptors[index] = context.TextureDescriptors[index].SetFlag(flags);
}
return vector;