Support 2D array copy operation in the 2D engine

This make every copy right in the GPU side.
Thie CPU copy probably needs to be updated

Ryujinx.Graphics/Gal/IGalRenderTarget.cs

@@ -25,8 +25,12 @@ namespace Ryujinx.Graphics.Gal
         void Render();
 
         void Copy(
+            GalImage SrcImage,
+            GalImage DstImage,
             long     SrcKey,
             long     DstKey,
+            int      SrcLayer,
+            int      DstLayer,
             int      SrcX0,
             int      SrcY0,
             int      SrcX1,

Ryujinx.Graphics/Gal/OpenGL/OGLRenderTarget.cs

@@ -389,8 +389,12 @@ namespace Ryujinx.Graphics.Gal.OpenGL
         }
 
         public void Copy(
+            GalImage SrcImage,
+            GalImage DstImage,
             long     SrcKey,
             long     DstKey,
+            int      SrcLayer,
+            int      DstLayer,
             int      SrcX0,
             int      SrcY0,
             int      SrcX1,
@@ -425,8 +429,24 @@ namespace Ryujinx.Graphics.Gal.OpenGL
 
                 FramebufferAttachment Attachment = GetAttachment(SrcTex);
 
+                if (ImageUtils.IsArray(SrcImage.TextureTarget) && SrcLayer > 0)
+                {
+                    GL.FramebufferTextureLayer(FramebufferTarget.ReadFramebuffer, Attachment, SrcTex.Handle, 0, SrcLayer);
+                }
+                else
+                {
                     GL.FramebufferTexture(FramebufferTarget.ReadFramebuffer, Attachment, SrcTex.Handle, 0);
+                }
+
+                if (ImageUtils.IsArray(DstImage.TextureTarget) && DstLayer > 0)
+                {
+                    GL.FramebufferTextureLayer(FramebufferTarget.DrawFramebuffer, Attachment, DstTex.Handle, 0, DstLayer);
+                }
+                else
+                {
                     GL.FramebufferTexture(FramebufferTarget.DrawFramebuffer, Attachment, DstTex.Handle, 0);
+                }
+
 
                 BlitFramebufferFilter Filter = BlitFramebufferFilter.Nearest;
 

Ryujinx.Graphics/GpuResourceManager.cs

@@ -1,6 +1,7 @@
 using Ryujinx.Graphics.Gal;
 using Ryujinx.Graphics.Memory;
 using Ryujinx.Graphics.Texture;
+using System;
 using System.Collections.Generic;
 
 namespace Ryujinx.Graphics
@@ -11,6 +12,7 @@ namespace Ryujinx.Graphics
         {
             None,
             Texture,
+            TextureMirror,
             ColorBuffer,
             ZetaBuffer
         }
@@ -20,6 +22,7 @@ namespace Ryujinx.Graphics
         private HashSet<long>[] UploadedKeys;
 
         private Dictionary<long, ImageType> ImageTypes;
+        private Dictionary<long, int>      MirroredTextures;
 
         public GpuResourceManager(NvGpu Gpu)
         {
@@ -33,6 +36,7 @@ namespace Ryujinx.Graphics
             }
 
             ImageTypes = new Dictionary<long, ImageType>();
+            MirroredTextures = new Dictionary<long, int>();
         }
 
         public void SendColorBuffer(NvGpuVmm Vmm, long Position, int Attachment, GalImage NewImage)
@@ -70,6 +74,30 @@ namespace Ryujinx.Graphics
             ImageTypes[Position] = ImageType.Texture;
         }
 
+        public bool TryGetTextureMirorLayer(long Position, out int Layer)
+        {
+            if (MirroredTextures.TryGetValue(Position, out Layer))
+            {
+                ImageType Type = ImageTypes[Position];
+
+                if (Type != ImageType.Texture && Type != ImageType.TextureMirror)
+                {
+                    throw new InvalidOperationException();
+                }
+
+                return true;
+            }
+
+            Layer = -1;
+            return false;
+        }
+
+        public void SetTextureMirror(long Position, int Layer)
+        {
+            ImageTypes[Position] = ImageType.TextureMirror;
+            MirroredTextures[Position] = Layer;
+        }
+
         private void PrepareSendTexture(NvGpuVmm Vmm, long Position, GalImage NewImage)
         {
             long Size = ImageUtils.GetSize(NewImage);

Ryujinx.Graphics/Graphics3d/NvGpuEngine2d.cs

@@ -86,12 +86,16 @@ namespace Ryujinx.Graphics.Graphics3d
             long SrcKey = Vmm.GetPhysicalAddress(SrcAddress);
             long DstKey = Vmm.GetPhysicalAddress(DstAddress);
 
+            bool IsSrcLayered = false;
+            bool IsDstLayered = false;
+
             GalTextureTarget SrcTarget = GalTextureTarget.TwoD;
 
             if (SrcDepth != 0)
             {
                 SrcTarget = GalTextureTarget.TwoDArray;
                 SrcDepth++;
+                IsSrcLayered = true;
             }
             else
             {
@@ -104,6 +108,7 @@ namespace Ryujinx.Graphics.Graphics3d
             {
                 DstTarget = GalTextureTarget.TwoDArray;
                 DstDepth++;
+                IsDstLayered = true;
             }
             else
             {
@@ -131,19 +136,63 @@ namespace Ryujinx.Graphics.Graphics3d
             SrcTexture.Pitch = SrcPitch;
             DstTexture.Pitch = DstPitch;
 
+            long GetLayerOffset(GalImage Image, int Layer)
+            {
+                // FIXME: CALCULATE THE REAL TEXTURE SIZE (GPU SIZE NOT OGL SIZE)
+                // TODO: mip map
+                return ImageUtils.GetSize(Image) * Layer;
+            }
+
+            int SrcLayerIndex = -1;
+
+            if (IsSrcLayered && Gpu.ResourceManager.TryGetTextureMirorLayer(SrcKey, out SrcLayerIndex))
+            {
+                SrcKey = SrcKey - GetLayerOffset(SrcTexture, SrcLayerIndex);
+            }
+
+            int DstLayerIndex = -1;
+
+            if (IsDstLayered && Gpu.ResourceManager.TryGetTextureMirorLayer(DstKey, out DstLayerIndex))
+            {
+                DstKey = DstKey - GetLayerOffset(DstTexture, DstLayerIndex);
+            }
+
             Gpu.ResourceManager.SendTexture(Vmm, SrcKey, SrcTexture);
             Gpu.ResourceManager.SendTexture(Vmm, DstKey, DstTexture);
 
+            if (IsSrcLayered && SrcLayerIndex == -1)
+            {
+                for (int Layer = 0; Layer < SrcTexture.Depth; Layer++)
+                {
+                    Gpu.ResourceManager.SetTextureMirror(SrcKey + GetLayerOffset(SrcTexture, Layer), Layer);
+                }
+
+                SrcLayerIndex = 0;
+            }
+
+            if (IsDstLayered && DstLayerIndex == -1)
+            {
+                for (int Layer = 0; Layer < DstTexture.Depth; Layer++)
+                {
+                    Gpu.ResourceManager.SetTextureMirror(DstKey + GetLayerOffset(DstTexture, Layer), Layer);
+                }
+
+                DstLayerIndex = 0;
+            }
+
             int SrcBlitX1 = (int)(SrcBlitX >> 32);
             int SrcBlitY1 = (int)(SrcBlitY >> 32);
 
             int SrcBlitX2 = (int)(SrcBlitX + DstBlitW * BlitDuDx >> 32);
             int SrcBlitY2 = (int)(SrcBlitY + DstBlitH * BlitDvDy >> 32);
 
-            // TODO: support 2d array copy
             Gpu.Renderer.RenderTarget.Copy(
+                SrcTexture,
+                DstTexture,
                 SrcKey,
                 DstKey,
+                SrcLayerIndex,
+                DstLayerIndex,
                 SrcBlitX1,
                 SrcBlitY1,
                 SrcBlitX2,
@@ -157,6 +206,8 @@ namespace Ryujinx.Graphics.Graphics3d
             //the texture is modified by the guest, however it doesn't
             //work when resources that the gpu can write to are copied,
             //like framebuffers.
+
+            // FIXME: SUPPORT MULTILAYER CORRECTLY HERE (this will cause weird stuffs on the first layer)
             ImageUtils.CopyTexture(
                 Vmm,
                 SrcTexture,

Ryujinx.Graphics/Graphics3d/NvGpuEngine2dReg.cs

@@ -11,6 +11,7 @@ namespace Ryujinx.Graphics.Graphics3d
         DstWidth           = 0x86,
         DstHeight          = 0x87,
         DstAddress         = 0x88,
+        DstAddressLow      = 0x89,
         SrcFormat          = 0x8c,
         SrcLinear          = 0x8d,
         SrcBlockDimensions = 0x8e,
@@ -20,6 +21,7 @@ namespace Ryujinx.Graphics.Graphics3d
         SrcWidth           = 0x92,
         SrcHeight          = 0x93,
         SrcAddress         = 0x94,
+        SrcAddressLow      = 0x95,
         ClipEnable         = 0xa4,
         CopyOperation      = 0xab,
         BlitControl        = 0x223,