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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
10 changed files with 199 additions and 78 deletions
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121
Ryujinx.Graphics.Gpu/Image/TextureBindingsManager.cs
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@ -41,6 +41,9 @@ namespace Ryujinx.Graphics.Gpu.Image
private bool _rebind;
private float[] _scales;
private bool _scaleChanged;
/// <summary>
/// Constructs a new instance of the texture bindings manager.
/// </summary>
@ -60,6 +63,13 @@ namespace Ryujinx.Graphics.Gpu.Image
_textureState = new TextureStatePerStage[stages][];
_imageState = new TextureStatePerStage[stages][];
_scales = new float[64];
for (int i = 0; i < 64; i++)
{
_scales[i] = 1f;
}
}
/// <summary>
@ -131,6 +141,81 @@ namespace Ryujinx.Graphics.Gpu.Image
_texturePoolMaximumId = maximumId;
}
/// <summary>
/// Updates the texture scale for a given texture or image.
/// </summary>
/// <param name="texture">Start GPU virtual address of the pool</param>
/// <param name="binding">The related texture binding</param>
/// <param name="index">The texture/image binding index</param>
/// <param name="stage">The active shader stage</param>
/// <returns>True if the given texture has become blacklisted, indicating that its host texture may have changed.</returns>
private bool UpdateScale(Texture texture, TextureBindingInfo binding, int index, ShaderStage stage)
{
float result = 1f;
bool changed = false;
if ((binding.Flags & TextureUsageFlags.NeedsScaleValue) != 0 && texture != null)
{
_scaleChanged |= true;
switch (stage)
{
case ShaderStage.Fragment:
if ((binding.Flags & TextureUsageFlags.ResScaleUnsupported) != 0)
{
changed |= texture.ScaleMode != TextureScaleMode.Blacklisted;
texture.BlacklistScale();
break;
}
float scale = texture.ScaleFactor;
TextureManager manager = _context.Methods.TextureManager;
if (scale != 1)
{
Texture activeTarget = manager.GetAnyRenderTarget();
if (activeTarget != null && activeTarget.Info.Width / (float)texture.Info.Width == activeTarget.Info.Height / (float)texture.Info.Height)
{
// If the texture's size is a multiple of the sampler size, enable interpolation using gl_FragCoord. (helps "invent" new integer values between scaled pixels)
result = -scale;
break;
}
}
result = scale;
break;
case ShaderStage.Compute:
if ((binding.Flags & TextureUsageFlags.ResScaleUnsupported) != 0)
{
changed |= texture.ScaleMode != TextureScaleMode.Blacklisted;
texture.BlacklistScale();
}
result = texture.ScaleFactor;
break;
}
}
_scales[index] = result;
return changed;
}
/// <summary>
/// Uploads texture and image scales to the backend when they are used.
/// </summary>
/// <param name="stage">Current shader stage</param>
/// <param name="stageIndex">Shader stage index</param>
private void CommitRenderScale(ShaderStage stage, int stageIndex)
{
if (_scaleChanged)
{
_context.Renderer.Pipeline.UpdateRenderScale(stage, _scales, _textureBindings[stageIndex]?.Length ?? 0, _imageBindings[stageIndex]?.Length ?? 0);
}
}
/// <summary>
/// Ensures that the bindings are visible to the host GPU.
/// Note: this actually performs the binding using the host graphics API.
@ -145,6 +230,8 @@ namespace Ryujinx.Graphics.Gpu.Image
{
CommitTextureBindings(texturePool, ShaderStage.Compute, 0);
CommitImageBindings (texturePool, ShaderStage.Compute, 0);
CommitRenderScale(ShaderStage.Compute, 0);
}
else
{
@ -154,6 +241,8 @@ namespace Ryujinx.Graphics.Gpu.Image
CommitTextureBindings(texturePool, stage, stageIndex);
CommitImageBindings (texturePool, stage, stageIndex);
CommitRenderScale(stage, stageIndex);
}
}
@ -174,8 +263,6 @@ namespace Ryujinx.Graphics.Gpu.Image
return;
}
bool changed = false;
for (int index = 0; index < _textureBindings[stageIndex].Length; index++)
{
TextureBindingInfo binding = _textureBindings[stageIndex][index];
@ -218,20 +305,18 @@ namespace Ryujinx.Graphics.Gpu.Image
Texture texture = pool.Get(textureId);
if ((binding.Flags & TextureUsageFlags.ResScaleUnsupported) != 0)
{
texture?.BlacklistScale();
}
ITexture hostTexture = texture?.GetTargetTexture(binding.Target);
if (_textureState[stageIndex][index].Texture != hostTexture || _rebind)
{
if (UpdateScale(texture, binding, index, stage))
{
hostTexture = texture?.GetTargetTexture(binding.Target);
}
_textureState[stageIndex][index].Texture = hostTexture;
_context.Renderer.Pipeline.SetTexture(index, stage, hostTexture);
changed = true;
}
if (hostTexture != null && texture.Info.Target == Target.TextureBuffer)
@ -253,11 +338,6 @@ namespace Ryujinx.Graphics.Gpu.Image
_context.Renderer.Pipeline.SetSampler(index, stage, hostSampler);
}
}
if (changed)
{
_context.Renderer.Pipeline.UpdateRenderScale(stage, _textureBindings[stageIndex].Length);
}
}
/// <summary>
@ -274,6 +354,9 @@ namespace Ryujinx.Graphics.Gpu.Image
return;
}
// Scales for images appear after the texture ones.
int baseScaleIndex = _textureBindings[stageIndex]?.Length ?? 0;
for (int index = 0; index < _imageBindings[stageIndex].Length; index++)
{
TextureBindingInfo binding = _imageBindings[stageIndex][index];
@ -283,11 +366,6 @@ namespace Ryujinx.Graphics.Gpu.Image
Texture texture = pool.Get(textureId);
if ((binding.Flags & TextureUsageFlags.ResScaleUnsupported) != 0)
{
texture?.BlacklistScale();
}
ITexture hostTexture = texture?.GetTargetTexture(binding.Target);
if (hostTexture != null && texture.Info.Target == Target.TextureBuffer)
@ -300,6 +378,11 @@ namespace Ryujinx.Graphics.Gpu.Image
if (_imageState[stageIndex][index].Texture != hostTexture || _rebind)
{
if (UpdateScale(texture, binding, baseScaleIndex + index, stage))
{
hostTexture = texture?.GetTargetTexture(binding.Target);
}
_imageState[stageIndex][index].Texture = hostTexture;
Format format = binding.Format;