diff --git a/src/Ryujinx.Graphics.GAL/Format.cs b/src/Ryujinx.Graphics.GAL/Format.cs
index f6feec1c7..99c89dcec 100644
--- a/src/Ryujinx.Graphics.GAL/Format.cs
+++ b/src/Ryujinx.Graphics.GAL/Format.cs
@@ -335,6 +335,45 @@ namespace Ryujinx.Graphics.GAL
return 1;
}
+ ///
+ /// Checks if the texture format is a depth or depth-stencil format.
+ ///
+ /// Texture format
+ /// True if the format is a depth or depth-stencil format, false otherwise
+ public static bool HasDepth(this Format format)
+ {
+ switch (format)
+ {
+ case Format.D16Unorm:
+ case Format.D24UnormS8Uint:
+ case Format.S8UintD24Unorm:
+ case Format.D32Float:
+ case Format.D32FloatS8Uint:
+ return true;
+ }
+
+ return false;
+ }
+
+ ///
+ /// Checks if the texture format is a stencil or depth-stencil format.
+ ///
+ /// Texture format
+ /// True if the format is a stencil or depth-stencil format, false otherwise
+ public static bool HasStencil(this Format format)
+ {
+ switch (format)
+ {
+ case Format.D24UnormS8Uint:
+ case Format.S8UintD24Unorm:
+ case Format.D32FloatS8Uint:
+ case Format.S8Uint:
+ return true;
+ }
+
+ return false;
+ }
+
///
/// Checks if the texture format is valid to use as image format.
///
diff --git a/src/Ryujinx.Graphics.Gpu/Engine/Threed/DrawManager.cs b/src/Ryujinx.Graphics.Gpu/Engine/Threed/DrawManager.cs
index 18e7ac003..1c31312ce 100644
--- a/src/Ryujinx.Graphics.Gpu/Engine/Threed/DrawManager.cs
+++ b/src/Ryujinx.Graphics.Gpu/Engine/Threed/DrawManager.cs
@@ -1,6 +1,7 @@
using Ryujinx.Graphics.GAL;
using Ryujinx.Graphics.Gpu.Engine.Threed.ComputeDraw;
using Ryujinx.Graphics.Gpu.Engine.Types;
+using Ryujinx.Graphics.Gpu.Image;
using Ryujinx.Graphics.Gpu.Memory;
using System;
@@ -806,25 +807,69 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
updateFlags |= RenderTargetUpdateFlags.Layered;
}
- if (clearDepth || clearStencil)
+ bool clearDS = clearDepth || clearStencil;
+
+ if (clearDS)
{
updateFlags |= RenderTargetUpdateFlags.UpdateDepthStencil;
}
- engine.UpdateRenderTargetState(updateFlags, singleUse: componentMask != 0 ? index : -1);
-
// If there is a mismatch on the host clip region and the one explicitly defined by the guest
// on the screen scissor state, then we need to force only one texture to be bound to avoid
// host clipping.
var screenScissorState = _state.State.ScreenScissorState;
+ bool clearAffectedByStencilMask = (_state.State.ClearFlags & 1) != 0;
+ bool clearAffectedByScissor = (_state.State.ClearFlags & 0x100) != 0;
+
+ if (clearDS || componentMask == 15)
+ {
+ // A full clear if scissor is disabled, or it matches the screen scissor state.
+
+ bool fullClear = screenScissorState.X == 0 && screenScissorState.Y == 0;
+
+ if (fullClear && clearAffectedByScissor && _state.State.ScissorState[0].Enable)
+ {
+ ref var scissorState = ref _state.State.ScissorState[0];
+
+ fullClear = scissorState.X1 == screenScissorState.X &&
+ scissorState.Y1 == screenScissorState.Y &&
+ scissorState.X2 >= screenScissorState.X + screenScissorState.Width &&
+ scissorState.Y2 >= screenScissorState.Y + screenScissorState.Height;
+ }
+
+ if (fullClear && clearDS)
+ {
+ // Must clear all aspects of the depth-stencil format.
+
+ FormatInfo dsFormat = _state.State.RtDepthStencilState.Format.Convert();
+
+ bool hasDepth = dsFormat.Format.HasDepth();
+ bool hasStencil = dsFormat.Format.HasStencil();
+
+ if (hasStencil && (!clearStencil || (clearAffectedByStencilMask && _state.State.StencilTestState.FrontMask != 0xff)))
+ {
+ fullClear = false;
+ }
+ else if (hasDepth && !clearDepth)
+ {
+ fullClear = false;
+ }
+ }
+
+ if (fullClear)
+ {
+ updateFlags |= RenderTargetUpdateFlags.DiscardClip;
+ }
+ }
+
+ engine.UpdateRenderTargetState(updateFlags, singleUse: componentMask != 0 ? index : -1);
+
// Must happen after UpdateRenderTargetState to have up-to-date clip region values.
bool clipMismatch = (screenScissorState.X | screenScissorState.Y) != 0 ||
screenScissorState.Width != _channel.TextureManager.ClipRegionWidth ||
screenScissorState.Height != _channel.TextureManager.ClipRegionHeight;
- bool clearAffectedByStencilMask = (_state.State.ClearFlags & 1) != 0;
- bool clearAffectedByScissor = (_state.State.ClearFlags & 0x100) != 0;
bool needsCustomScissor = !clearAffectedByScissor || clipMismatch;
// Scissor and rasterizer discard also affect clears.
diff --git a/src/Ryujinx.Graphics.Gpu/Engine/Threed/RenderTargetUpdateFlags.cs b/src/Ryujinx.Graphics.Gpu/Engine/Threed/RenderTargetUpdateFlags.cs
index e575923d9..58c7bdb44 100644
--- a/src/Ryujinx.Graphics.Gpu/Engine/Threed/RenderTargetUpdateFlags.cs
+++ b/src/Ryujinx.Graphics.Gpu/Engine/Threed/RenderTargetUpdateFlags.cs
@@ -33,6 +33,11 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
///
UpdateDepthStencil = 1 << 3,
+ ///
+ /// Indicates that the data in the clip region can be discarded for the next use.
+ ///
+ DiscardClip = 1 << 4,
+
///
/// Default update flags for draw.
///
diff --git a/src/Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs b/src/Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs
index 48a497b59..37e41c51b 100644
--- a/src/Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs
+++ b/src/Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs
@@ -447,6 +447,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
bool useControl = updateFlags.HasFlag(RenderTargetUpdateFlags.UseControl);
bool layered = updateFlags.HasFlag(RenderTargetUpdateFlags.Layered);
bool singleColor = updateFlags.HasFlag(RenderTargetUpdateFlags.SingleColor);
+ bool discard = updateFlags.HasFlag(RenderTargetUpdateFlags.DiscardClip);
int count = useControl ? rtControl.UnpackCount() : Constants.TotalRenderTargets;
@@ -486,6 +487,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
memoryManager,
colorState,
_vtgWritesRtLayer || layered,
+ discard,
samplesInX,
samplesInY,
sizeHint);
@@ -525,6 +527,7 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
dsState,
dsSize,
_vtgWritesRtLayer || layered,
+ discard,
samplesInX,
samplesInY,
sizeHint);
diff --git a/src/Ryujinx.Graphics.Gpu/Image/Texture.cs b/src/Ryujinx.Graphics.Gpu/Image/Texture.cs
index 0fce4debb..022a3839f 100644
--- a/src/Ryujinx.Graphics.Gpu/Image/Texture.cs
+++ b/src/Ryujinx.Graphics.Gpu/Image/Texture.cs
@@ -570,6 +570,18 @@ namespace Ryujinx.Graphics.Gpu.Image
return Group.CheckDirty(this, consume);
}
+ ///
+ /// Discards all data for this texture.
+ /// This clears all dirty flags, modified flags, and pending copies from other textures.
+ /// It should be used if the texture data will be fully overwritten by the next use.
+ ///
+ public void DiscardData()
+ {
+ Group.DiscardData(this);
+
+ _dirty = false;
+ }
+
///
/// Synchronizes guest and host memory.
/// This will overwrite the texture data with the texture data on the guest memory, if a CPU
diff --git a/src/Ryujinx.Graphics.Gpu/Image/TextureCache.cs b/src/Ryujinx.Graphics.Gpu/Image/TextureCache.cs
index 3f215a4ac..55000ac6e 100644
--- a/src/Ryujinx.Graphics.Gpu/Image/TextureCache.cs
+++ b/src/Ryujinx.Graphics.Gpu/Image/TextureCache.cs
@@ -311,7 +311,7 @@ namespace Ryujinx.Graphics.Gpu.Image
flags |= TextureSearchFlags.NoCreate;
}
- Texture texture = FindOrCreateTexture(memoryManager, flags, info, 0);
+ Texture texture = FindOrCreateTexture(memoryManager, flags, info, 0, sizeHint: sizeHint);
texture?.SynchronizeMemory();
@@ -324,6 +324,7 @@ namespace Ryujinx.Graphics.Gpu.Image
/// GPU memory manager where the texture is mapped
/// Color buffer texture to find or create
/// Indicates if the texture might be accessed with a non-zero layer index
+ /// Indicates that the sizeHint region's data will be overwritten
/// Number of samples in the X direction, for MSAA
/// Number of samples in the Y direction, for MSAA
/// A hint indicating the minimum used size for the texture
@@ -332,6 +333,7 @@ namespace Ryujinx.Graphics.Gpu.Image
MemoryManager memoryManager,
RtColorState colorState,
bool layered,
+ bool discard,
int samplesInX,
int samplesInY,
Size sizeHint)
@@ -398,7 +400,14 @@ namespace Ryujinx.Graphics.Gpu.Image
int layerSize = !isLinear ? colorState.LayerSize * 4 : 0;
- Texture texture = FindOrCreateTexture(memoryManager, TextureSearchFlags.WithUpscale, info, layerSize);
+ var flags = TextureSearchFlags.WithUpscale;
+
+ if (discard)
+ {
+ flags |= TextureSearchFlags.DiscardData;
+ }
+
+ Texture texture = FindOrCreateTexture(memoryManager, flags, info, layerSize, sizeHint: sizeHint);
texture?.SynchronizeMemory();
@@ -412,6 +421,7 @@ namespace Ryujinx.Graphics.Gpu.Image
/// Depth-stencil buffer texture to find or create
/// Size of the depth-stencil texture
/// Indicates if the texture might be accessed with a non-zero layer index
+ /// Indicates that the sizeHint region's data will be overwritten
/// Number of samples in the X direction, for MSAA
/// Number of samples in the Y direction, for MSAA
/// A hint indicating the minimum used size for the texture
@@ -421,6 +431,7 @@ namespace Ryujinx.Graphics.Gpu.Image
RtDepthStencilState dsState,
Size3D size,
bool layered,
+ bool discard,
int samplesInX,
int samplesInY,
Size sizeHint)
@@ -465,7 +476,14 @@ namespace Ryujinx.Graphics.Gpu.Image
target,
formatInfo);
- Texture texture = FindOrCreateTexture(memoryManager, TextureSearchFlags.WithUpscale, info, dsState.LayerSize * 4);
+ var flags = TextureSearchFlags.WithUpscale;
+
+ if (discard)
+ {
+ flags |= TextureSearchFlags.DiscardData;
+ }
+
+ Texture texture = FindOrCreateTexture(memoryManager, flags, info, dsState.LayerSize * 4, sizeHint: sizeHint);
texture?.SynchronizeMemory();
@@ -500,6 +518,37 @@ namespace Ryujinx.Graphics.Gpu.Image
return Math.Clamp(widthAligned - alignment + 1, minimumWidth, widthAligned);
}
+ ///
+ /// Determines if texture data should be fully discarded
+ /// based on the size hint region and whether it is set to be discarded.
+ ///
+ /// Whether the size hint region should be discarded
+ /// The texture being discarded
+ /// A hint indicating the minimum used size for the texture
+ /// True if the data should be discarded, false otherwise
+ private static bool ShouldDiscard(bool discard, Texture texture, Size? sizeHint)
+ {
+ return discard &&
+ texture.Info.DepthOrLayers == 1 &&
+ sizeHint != null &&
+ texture.Width <= sizeHint.Value.Width &&
+ texture.Height <= sizeHint.Value.Height;
+ }
+
+ ///
+ /// Discards texture data if requested and possible.
+ ///
+ /// Whether the size hint region should be discarded
+ /// The texture being discarded
+ /// A hint indicating the minimum used size for the texture
+ private static void DiscardIfNeeded(bool discard, Texture texture, Size? sizeHint)
+ {
+ if (ShouldDiscard(discard, texture, sizeHint))
+ {
+ texture.DiscardData();
+ }
+ }
+
///
/// Tries to find an existing texture, or create a new one if not found.
///
@@ -507,6 +556,7 @@ namespace Ryujinx.Graphics.Gpu.Image
/// The texture search flags, defines texture comparison rules
/// Texture information of the texture to be found or created
/// Size in bytes of a single texture layer
+ /// A hint indicating the minimum used size for the texture
/// Optional ranges of physical memory where the texture data is located
/// The texture
public Texture FindOrCreateTexture(
@@ -514,9 +564,11 @@ namespace Ryujinx.Graphics.Gpu.Image
TextureSearchFlags flags,
TextureInfo info,
int layerSize = 0,
+ Size? sizeHint = null,
MultiRange? range = null)
{
bool isSamplerTexture = (flags & TextureSearchFlags.ForSampler) != 0;
+ bool discard = (flags & TextureSearchFlags.DiscardData) != 0;
TextureScaleMode scaleMode = IsUpscaleCompatible(info, (flags & TextureSearchFlags.WithUpscale) != 0);
@@ -612,6 +664,8 @@ namespace Ryujinx.Graphics.Gpu.Image
if (texture != null)
{
+ DiscardIfNeeded(discard, texture, sizeHint);
+
texture.SynchronizeMemory();
return texture;
@@ -907,7 +961,7 @@ namespace Ryujinx.Graphics.Gpu.Image
// We need to synchronize before copying the old view data to the texture,
// otherwise the copied data would be overwritten by a future synchronization.
- texture.InitializeData(false, setData);
+ texture.InitializeData(false, setData && !ShouldDiscard(discard, texture, sizeHint));
texture.Group.InitializeOverlaps();
diff --git a/src/Ryujinx.Graphics.Gpu/Image/TextureGroup.cs b/src/Ryujinx.Graphics.Gpu/Image/TextureGroup.cs
index 1b947cd3b..be33247ce 100644
--- a/src/Ryujinx.Graphics.Gpu/Image/TextureGroup.cs
+++ b/src/Ryujinx.Graphics.Gpu/Image/TextureGroup.cs
@@ -278,6 +278,24 @@ namespace Ryujinx.Graphics.Gpu.Image
return dirty;
}
+ ///
+ /// Discards all data for a given texture.
+ /// This clears all dirty flags, modified flags, and pending copies from other textures.
+ ///
+ /// The texture being discarded
+ public void DiscardData(Texture texture)
+ {
+ EvaluateRelevantHandles(texture, (baseHandle, regionCount, split) =>
+ {
+ for (int i = 0; i < regionCount; i++)
+ {
+ TextureGroupHandle group = _handles[baseHandle + i];
+
+ group.DiscardData();
+ }
+ });
+ }
+
///
/// Synchronize memory for a given texture.
/// If overlapping tracking handles are dirty, fully or partially synchronize the texture data.
diff --git a/src/Ryujinx.Graphics.Gpu/Image/TextureGroupHandle.cs b/src/Ryujinx.Graphics.Gpu/Image/TextureGroupHandle.cs
index ef7198e88..84171c7a9 100644
--- a/src/Ryujinx.Graphics.Gpu/Image/TextureGroupHandle.cs
+++ b/src/Ryujinx.Graphics.Gpu/Image/TextureGroupHandle.cs
@@ -2,7 +2,6 @@
using Ryujinx.Memory.Tracking;
using System;
using System.Collections.Generic;
-using System.Linq;
using System.Threading;
namespace Ryujinx.Graphics.Gpu.Image
@@ -155,6 +154,24 @@ namespace Ryujinx.Graphics.Gpu.Image
}
}
+ ///
+ /// Discards all data for this handle.
+ /// This clears all dirty flags, modified flags, and pending copies from other handles.
+ ///
+ public void DiscardData()
+ {
+ Modified = false;
+ DeferredCopy = null;
+
+ foreach (RegionHandle handle in Handles)
+ {
+ if (handle.Dirty)
+ {
+ handle.Reprotect();
+ }
+ }
+ }
+
///
/// Calculate a list of which views overlap this handle.
///
diff --git a/src/Ryujinx.Graphics.Gpu/Image/TextureSearchFlags.cs b/src/Ryujinx.Graphics.Gpu/Image/TextureSearchFlags.cs
index fb2a97b0b..f651420a7 100644
--- a/src/Ryujinx.Graphics.Gpu/Image/TextureSearchFlags.cs
+++ b/src/Ryujinx.Graphics.Gpu/Image/TextureSearchFlags.cs
@@ -14,5 +14,6 @@ namespace Ryujinx.Graphics.Gpu.Image
DepthAlias = 1 << 3,
WithUpscale = 1 << 4,
NoCreate = 1 << 5,
+ DiscardData = 1 << 6,
}
}
diff --git a/src/Ryujinx.Graphics.Gpu/Window.cs b/src/Ryujinx.Graphics.Gpu/Window.cs
index 1f94122d8..3b2368537 100644
--- a/src/Ryujinx.Graphics.Gpu/Window.cs
+++ b/src/Ryujinx.Graphics.Gpu/Window.cs
@@ -200,7 +200,7 @@ namespace Ryujinx.Graphics.Gpu
{
pt.AcquireCallback(_context, pt.UserObj);
- Image.Texture texture = pt.Cache.FindOrCreateTexture(null, TextureSearchFlags.WithUpscale, pt.Info, 0, pt.Range);
+ Image.Texture texture = pt.Cache.FindOrCreateTexture(null, TextureSearchFlags.WithUpscale, pt.Info, 0, range: pt.Range);
pt.Cache.Tick();