Merge pull request #4027 from ReinUsesLisp/3d-slices

texture_cache: Implement rendering to 3D textures

src/video_core/engines/maxwell_3d.h

@@ -598,6 +598,7 @@ public:
                 BitField<4, 3, u32> block_height;
                 BitField<8, 3, u32> block_depth;
                 BitField<12, 1, InvMemoryLayout> type;
+                BitField<16, 1, u32> is_3d;
             } memory_layout;
             union {
                 BitField<0, 16, u32> layers;

src/video_core/renderer_opengl/gl_texture_cache.cpp

@@ -263,9 +263,14 @@ CachedSurface::CachedSurface(const GPUVAddr gpu_addr, const SurfaceParams& param
     target = GetTextureTarget(params.target);
     texture = CreateTexture(params, target, internal_format, texture_buffer);
     DecorateSurfaceName();
-    main_view = CreateViewInner(
+
-        ViewParams(params.target, 0, params.is_layered ? params.depth : 1, 0, params.num_levels),
+    u32 num_layers = 1;
-        true);
+    if (params.is_layered || params.target == SurfaceTarget::Texture3D) {
+        num_layers = params.depth;
+    }
+
+    main_view =
+        CreateViewInner(ViewParams(params.target, 0, num_layers, 0, params.num_levels), true);
 }
 
 CachedSurface::~CachedSurface() = default;
@@ -413,37 +418,40 @@ CachedSurfaceView::CachedSurfaceView(CachedSurface& surface, const ViewParams& p
 
 CachedSurfaceView::~CachedSurfaceView() = default;
 
-void CachedSurfaceView::Attach(GLenum attachment, GLenum target) const {
+void CachedSurfaceView::Attach(GLenum attachment, GLenum fb_target) const {
     ASSERT(params.num_levels == 1);
 
+    if (params.target == SurfaceTarget::Texture3D) {
         if (params.num_layers > 1) {
-        // Layered framebuffer attachments
+            ASSERT(params.base_layer == 0);
-        UNIMPLEMENTED_IF(params.base_layer != 0);
+            glFramebufferTexture(fb_target, attachment, surface.texture.handle, params.base_level);
-
+        } else {
-        switch (params.target) {
+            glFramebufferTexture3D(fb_target, attachment, target, surface.texture.handle,
-        case SurfaceTarget::Texture2DArray:
+                                   params.base_level, params.base_layer);
-            glFramebufferTexture(target, attachment, GetTexture(), 0);
-            break;
-        default:
-            UNIMPLEMENTED();
         }
         return;
     }
 
+    if (params.num_layers > 1) {
+        UNIMPLEMENTED_IF(params.base_layer != 0);
+        glFramebufferTexture(fb_target, attachment, GetTexture(), 0);
+        return;
+    }
+
     const GLenum view_target = surface.GetTarget();
     const GLuint texture = surface.GetTexture();
     switch (surface.GetSurfaceParams().target) {
     case SurfaceTarget::Texture1D:
-        glFramebufferTexture1D(target, attachment, view_target, texture, params.base_level);
+        glFramebufferTexture1D(fb_target, attachment, view_target, texture, params.base_level);
         break;
     case SurfaceTarget::Texture2D:
-        glFramebufferTexture2D(target, attachment, view_target, texture, params.base_level);
+        glFramebufferTexture2D(fb_target, attachment, view_target, texture, params.base_level);
         break;
     case SurfaceTarget::Texture1DArray:
     case SurfaceTarget::Texture2DArray:
     case SurfaceTarget::TextureCubemap:
     case SurfaceTarget::TextureCubeArray:
-        glFramebufferTextureLayer(target, attachment, texture, params.base_level,
+        glFramebufferTextureLayer(fb_target, attachment, texture, params.base_level,
                                   params.base_layer);
         break;
     default:
@@ -500,8 +508,13 @@ OGLTextureView CachedSurfaceView::CreateTextureView() const {
     OGLTextureView texture_view;
     texture_view.Create();
 
-    glTextureView(texture_view.handle, target, surface.texture.handle, format, params.base_level,
+    if (target == GL_TEXTURE_3D) {
-                  params.num_levels, params.base_layer, params.num_layers);
+        glTextureView(texture_view.handle, target, surface.texture.handle, format,
+                      params.base_level, params.num_levels, 0, 1);
+    } else {
+        glTextureView(texture_view.handle, target, surface.texture.handle, format,
+                      params.base_level, params.num_levels, params.base_layer, params.num_layers);
+    }
     ApplyTextureDefaults(surface.GetSurfaceParams(), texture_view.handle);
 
     return texture_view;
@@ -544,8 +557,8 @@ void TextureCacheOpenGL::ImageBlit(View& src_view, View& dst_view,
                                    const Tegra::Engines::Fermi2D::Config& copy_config) {
     const auto& src_params{src_view->GetSurfaceParams()};
     const auto& dst_params{dst_view->GetSurfaceParams()};
-    UNIMPLEMENTED_IF(src_params.target == SurfaceTarget::Texture3D);
+    UNIMPLEMENTED_IF(src_params.depth != 1);
-    UNIMPLEMENTED_IF(dst_params.target == SurfaceTarget::Texture3D);
+    UNIMPLEMENTED_IF(dst_params.depth != 1);
 
     state_tracker.NotifyScissor0();
     state_tracker.NotifyFramebuffer();

src/video_core/renderer_opengl/gl_texture_cache.h

@@ -80,8 +80,10 @@ public:
     explicit CachedSurfaceView(CachedSurface& surface, const ViewParams& params, bool is_proxy);
     ~CachedSurfaceView();
 
-    /// Attaches this texture view to the current bound GL_DRAW_FRAMEBUFFER
+    /// @brief Attaches this texture view to the currently bound fb_target framebuffer
-    void Attach(GLenum attachment, GLenum target) const;
+    /// @param attachment   Attachment to bind textures to
+    /// @param fb_target    Framebuffer target to attach to (e.g. DRAW_FRAMEBUFFER)
+    void Attach(GLenum attachment, GLenum fb_target) const;
 
     GLuint GetTexture(Tegra::Texture::SwizzleSource x_source,
                       Tegra::Texture::SwizzleSource y_source,

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -716,7 +716,7 @@ std::tuple<VkFramebuffer, VkExtent2D> RasterizerVulkan::ConfigureFramebuffers(
         if (!view) {
             return false;
         }
-        key.views.push_back(view->GetHandle());
+        key.views.push_back(view->GetAttachment());
         key.width = std::min(key.width, view->GetWidth());
         key.height = std::min(key.height, view->GetHeight());
         key.layers = std::min(key.layers, view->GetNumLayers());
@@ -1137,7 +1137,7 @@ void RasterizerVulkan::SetupTexture(const Tegra::Texture::FullTextureInfo& textu
     auto view = texture_cache.GetTextureSurface(texture.tic, entry);
     ASSERT(!view->IsBufferView());
 
-    const auto image_view = view->GetHandle(texture.tic.x_source, texture.tic.y_source,
+    const VkImageView image_view = view->GetImageView(texture.tic.x_source, texture.tic.y_source,
                                                       texture.tic.z_source, texture.tic.w_source);
     const auto sampler = sampler_cache.GetSampler(texture.tsc);
     update_descriptor_queue.AddSampledImage(sampler, image_view);
@@ -1164,7 +1164,8 @@ void RasterizerVulkan::SetupImage(const Tegra::Texture::TICEntry& tic, const Ima
 
     UNIMPLEMENTED_IF(tic.IsBuffer());
 
-    const auto image_view = view->GetHandle(tic.x_source, tic.y_source, tic.z_source, tic.w_source);
+    const VkImageView image_view =
+        view->GetImageView(tic.x_source, tic.y_source, tic.z_source, tic.w_source);
     update_descriptor_queue.AddImage(image_view);
 
     const auto image_layout = update_descriptor_queue.GetLastImageLayout();

src/video_core/renderer_vulkan/vk_texture_cache.cpp

@@ -167,6 +167,7 @@ VkImageCreateInfo GenerateImageCreateInfo(const VKDevice& device, const SurfaceP
         ci.extent = {params.width, params.height, 1};
         break;
     case SurfaceTarget::Texture3D:
+        ci.flags |= VK_IMAGE_CREATE_2D_ARRAY_COMPATIBLE_BIT;
         ci.extent = {params.width, params.height, params.depth};
         break;
     case SurfaceTarget::TextureBuffer:
@@ -176,6 +177,12 @@ VkImageCreateInfo GenerateImageCreateInfo(const VKDevice& device, const SurfaceP
     return ci;
 }
 
+u32 EncodeSwizzle(Tegra::Texture::SwizzleSource x_source, Tegra::Texture::SwizzleSource y_source,
+                  Tegra::Texture::SwizzleSource z_source, Tegra::Texture::SwizzleSource w_source) {
+    return (static_cast<u32>(x_source) << 24) | (static_cast<u32>(y_source) << 16) |
+           (static_cast<u32>(z_source) << 8) | static_cast<u32>(w_source);
+}
+
 } // Anonymous namespace
 
 CachedSurface::CachedSurface(Core::System& system, const VKDevice& device,
@@ -203,9 +210,11 @@ CachedSurface::CachedSurface(Core::System& system, const VKDevice& device,
     }
 
     // TODO(Rodrigo): Move this to a virtual function.
-    main_view = CreateViewInner(
+    u32 num_layers = 1;
-        ViewParams(params.target, 0, static_cast<u32>(params.GetNumLayers()), 0, params.num_levels),
+    if (params.is_layered || params.target == SurfaceTarget::Texture3D) {
-        true);
+        num_layers = params.depth;
+    }
+    main_view = CreateView(ViewParams(params.target, 0, num_layers, 0, params.num_levels));
 }
 
 CachedSurface::~CachedSurface() = default;
@@ -253,12 +262,8 @@ void CachedSurface::DecorateSurfaceName() {
 }
 
 View CachedSurface::CreateView(const ViewParams& params) {
-    return CreateViewInner(params, false);
-}
-
-View CachedSurface::CreateViewInner(const ViewParams& params, bool is_proxy) {
     // TODO(Rodrigo): Add name decorations
-    return views[params] = std::make_shared<CachedSurfaceView>(device, *this, params, is_proxy);
+    return views[params] = std::make_shared<CachedSurfaceView>(device, *this, params);
 }
 
 void CachedSurface::UploadBuffer(const std::vector<u8>& staging_buffer) {
@@ -342,17 +347,26 @@ VkImageSubresourceRange CachedSurface::GetImageSubresourceRange() const {
 }
 
 CachedSurfaceView::CachedSurfaceView(const VKDevice& device, CachedSurface& surface,
-                                     const ViewParams& params, bool is_proxy)
+                                     const ViewParams& params)
     : VideoCommon::ViewBase{params}, params{surface.GetSurfaceParams()},
       image{surface.GetImageHandle()}, buffer_view{surface.GetBufferViewHandle()},
       aspect_mask{surface.GetAspectMask()}, device{device}, surface{surface},
-      base_layer{params.base_layer}, num_layers{params.num_layers}, base_level{params.base_level},
+      base_level{params.base_level}, num_levels{params.num_levels},
-      num_levels{params.num_levels}, image_view_type{image ? GetImageViewType(params.target)
+      image_view_type{image ? GetImageViewType(params.target) : VK_IMAGE_VIEW_TYPE_1D} {
-                                                           : VK_IMAGE_VIEW_TYPE_1D} {}
+    if (image_view_type == VK_IMAGE_VIEW_TYPE_3D) {
+        base_layer = 0;
+        num_layers = 1;
+        base_slice = params.base_layer;
+        num_slices = params.num_layers;
+    } else {
+        base_layer = params.base_layer;
+        num_layers = params.num_layers;
+    }
+}
 
 CachedSurfaceView::~CachedSurfaceView() = default;
 
-VkImageView CachedSurfaceView::GetHandle(SwizzleSource x_source, SwizzleSource y_source,
+VkImageView CachedSurfaceView::GetImageView(SwizzleSource x_source, SwizzleSource y_source,
                                             SwizzleSource z_source, SwizzleSource w_source) {
     const u32 new_swizzle = EncodeSwizzle(x_source, y_source, z_source, w_source);
     if (last_image_view && last_swizzle == new_swizzle) {
@@ -399,6 +413,11 @@ VkImageView CachedSurfaceView::GetHandle(SwizzleSource x_source, SwizzleSource y
             });
     }
 
+    if (image_view_type == VK_IMAGE_VIEW_TYPE_3D) {
+        ASSERT(base_slice == 0);
+        ASSERT(num_slices == params.depth);
+    }
+
     VkImageViewCreateInfo ci;
     ci.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
     ci.pNext = nullptr;
@@ -417,6 +436,35 @@ VkImageView CachedSurfaceView::GetHandle(SwizzleSource x_source, SwizzleSource y
     return last_image_view = *image_view;
 }
 
+VkImageView CachedSurfaceView::GetAttachment() {
+    if (render_target) {
+        return *render_target;
+    }
+
+    VkImageViewCreateInfo ci;
+    ci.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
+    ci.pNext = nullptr;
+    ci.flags = 0;
+    ci.image = surface.GetImageHandle();
+    ci.format = surface.GetImage().GetFormat();
+    ci.components = {VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY,
+                     VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY};
+    ci.subresourceRange.aspectMask = aspect_mask;
+    ci.subresourceRange.baseMipLevel = base_level;
+    ci.subresourceRange.levelCount = num_levels;
+    if (image_view_type == VK_IMAGE_VIEW_TYPE_3D) {
+        ci.viewType = num_slices > 1 ? VK_IMAGE_VIEW_TYPE_2D_ARRAY : VK_IMAGE_VIEW_TYPE_2D;
+        ci.subresourceRange.baseArrayLayer = base_slice;
+        ci.subresourceRange.layerCount = num_slices;
+    } else {
+        ci.viewType = image_view_type;
+        ci.subresourceRange.baseArrayLayer = base_layer;
+        ci.subresourceRange.layerCount = num_layers;
+    }
+    render_target = device.GetLogical().CreateImageView(ci);
+    return *render_target;
+}
+
 VKTextureCache::VKTextureCache(Core::System& system, VideoCore::RasterizerInterface& rasterizer,
                                const VKDevice& device, VKResourceManager& resource_manager,
                                VKMemoryManager& memory_manager, VKScheduler& scheduler,

src/video_core/renderer_vulkan/vk_texture_cache.h

@@ -91,7 +91,6 @@ protected:
     void DecorateSurfaceName();
 
     View CreateView(const ViewParams& params) override;
-    View CreateViewInner(const ViewParams& params, bool is_proxy);
 
 private:
     void UploadBuffer(const std::vector<u8>& staging_buffer);
@@ -120,23 +119,20 @@ private:
 class CachedSurfaceView final : public VideoCommon::ViewBase {
 public:
     explicit CachedSurfaceView(const VKDevice& device, CachedSurface& surface,
-                               const ViewParams& params, bool is_proxy);
+                               const ViewParams& params);
     ~CachedSurfaceView();
 
-    VkImageView GetHandle(Tegra::Texture::SwizzleSource x_source,
+    VkImageView GetImageView(Tegra::Texture::SwizzleSource x_source,
                              Tegra::Texture::SwizzleSource y_source,
                              Tegra::Texture::SwizzleSource z_source,
                              Tegra::Texture::SwizzleSource w_source);
 
+    VkImageView GetAttachment();
+
     bool IsSameSurface(const CachedSurfaceView& rhs) const {
         return &surface == &rhs.surface;
     }
 
-    VkImageView GetHandle() {
-        return GetHandle(Tegra::Texture::SwizzleSource::R, Tegra::Texture::SwizzleSource::G,
-                         Tegra::Texture::SwizzleSource::B, Tegra::Texture::SwizzleSource::A);
-    }
-
     u32 GetWidth() const {
         return params.GetMipWidth(base_level);
     }
@@ -180,14 +176,6 @@ public:
     }
 
 private:
-    static u32 EncodeSwizzle(Tegra::Texture::SwizzleSource x_source,
-                             Tegra::Texture::SwizzleSource y_source,
-                             Tegra::Texture::SwizzleSource z_source,
-                             Tegra::Texture::SwizzleSource w_source) {
-        return (static_cast<u32>(x_source) << 24) | (static_cast<u32>(y_source) << 16) |
-               (static_cast<u32>(z_source) << 8) | static_cast<u32>(w_source);
-    }
-
     // Store a copy of these values to avoid double dereference when reading them
     const SurfaceParams params;
     const VkImage image;
@@ -196,15 +184,18 @@ private:
 
     const VKDevice& device;
     CachedSurface& surface;
-    const u32 base_layer;
-    const u32 num_layers;
     const u32 base_level;
     const u32 num_levels;
     const VkImageViewType image_view_type;
+    u32 base_layer = 0;
+    u32 num_layers = 0;
+    u32 base_slice = 0;
+    u32 num_slices = 0;
 
     VkImageView last_image_view = nullptr;
     u32 last_swizzle = 0;
 
+    vk::ImageView render_target;
     std::unordered_map<u32, vk::ImageView> view_cache;
 };
 

src/video_core/texture_cache/surface_base.cpp

@@ -248,12 +248,11 @@ void SurfaceBaseImpl::FlushBuffer(Tegra::MemoryManager& memory_manager,
 
     // Use an extra temporal buffer
     auto& tmp_buffer = staging_cache.GetBuffer(1);
-    // Special case for 3D Texture Segments
-    const bool must_read_current_data =
-        params.block_depth > 0 && params.target == VideoCore::Surface::SurfaceTarget::Texture2D;
     tmp_buffer.resize(guest_memory_size);
     host_ptr = tmp_buffer.data();
-    if (must_read_current_data) {
+
+    if (params.target == SurfaceTarget::Texture3D) {
+        // Special case for 3D texture segments
         memory_manager.ReadBlockUnsafe(gpu_addr, host_ptr, guest_memory_size);
     }
 

src/video_core/texture_cache/surface_base.h

@@ -217,8 +217,8 @@ public:
     }
 
     bool IsProtected() const {
-        // Only 3D Slices are to be protected
+        // Only 3D slices are to be protected
-        return is_target && params.block_depth > 0;
+        return is_target && params.target == SurfaceTarget::Texture3D;
     }
 
     bool IsRenderTarget() const {
@@ -250,6 +250,11 @@ public:
         return GetView(ViewParams(overview_params.target, 0, num_layers, 0, params.num_levels));
     }
 
+    TView Emplace3DView(u32 slice, u32 depth, u32 base_level, u32 num_levels) {
+        return GetView(ViewParams(VideoCore::Surface::SurfaceTarget::Texture3D, slice, depth,
+                                  base_level, num_levels));
+    }
+
     std::optional<TView> EmplaceIrregularView(const SurfaceParams& view_params,
                                               const GPUVAddr view_addr,
                                               const std::size_t candidate_size, const u32 mipmap,
@@ -272,8 +277,8 @@ public:
     std::optional<TView> EmplaceView(const SurfaceParams& view_params, const GPUVAddr view_addr,
                                      const std::size_t candidate_size) {
         if (params.target == SurfaceTarget::Texture3D ||
-            (params.num_levels == 1 && !params.is_layered) ||
+            view_params.target == SurfaceTarget::Texture3D ||
-            view_params.target == SurfaceTarget::Texture3D) {
+            (params.num_levels == 1 && !params.is_layered)) {
             return {};
         }
         const auto layer_mipmap{GetLayerMipmap(view_addr)};

src/video_core/texture_cache/surface_params.cpp

@@ -215,10 +215,19 @@ SurfaceParams SurfaceParams::CreateForFramebuffer(Core::System& system, std::siz
     params.num_levels = 1;
     params.emulated_levels = 1;
 
-    const bool is_layered = config.layers > 1 && params.block_depth == 0;
+    if (config.memory_layout.is_3d != 0) {
-    params.is_layered = is_layered;
+        params.depth = config.layers.Value();
-    params.depth = is_layered ? config.layers.Value() : 1;
+        params.is_layered = false;
-    params.target = is_layered ? SurfaceTarget::Texture2DArray : SurfaceTarget::Texture2D;
+        params.target = SurfaceTarget::Texture3D;
+    } else if (config.layers > 1) {
+        params.depth = config.layers.Value();
+        params.is_layered = true;
+        params.target = SurfaceTarget::Texture2DArray;
+    } else {
+        params.depth = 1;
+        params.is_layered = false;
+        params.target = SurfaceTarget::Texture2D;
+    }
     return params;
 }
 
@@ -237,7 +246,7 @@ SurfaceParams SurfaceParams::CreateForFermiCopySurface(
     params.width = config.width;
     params.height = config.height;
     params.pitch = config.pitch;
-    // TODO(Rodrigo): Try to guess the surface target from depth and layer parameters
+    // TODO(Rodrigo): Try to guess texture arrays from parameters
     params.target = SurfaceTarget::Texture2D;
     params.depth = 1;
     params.num_levels = 1;

src/video_core/texture_cache/texture_cache.h

@@ -298,15 +298,13 @@ public:
         const GPUVAddr src_gpu_addr = src_config.Address();
         const GPUVAddr dst_gpu_addr = dst_config.Address();
         DeduceBestBlit(src_params, dst_params, src_gpu_addr, dst_gpu_addr);
-        const std::optional<VAddr> dst_cpu_addr =
+
-            system.GPU().MemoryManager().GpuToCpuAddress(dst_gpu_addr);
+        const auto& memory_manager = system.GPU().MemoryManager();
-        const std::optional<VAddr> src_cpu_addr =
+        const std::optional<VAddr> dst_cpu_addr = memory_manager.GpuToCpuAddress(dst_gpu_addr);
-            system.GPU().MemoryManager().GpuToCpuAddress(src_gpu_addr);
+        const std::optional<VAddr> src_cpu_addr = memory_manager.GpuToCpuAddress(src_gpu_addr);
-        std::pair<TSurface, TView> dst_surface =
+        std::pair dst_surface = GetSurface(dst_gpu_addr, *dst_cpu_addr, dst_params, true, false);
-            GetSurface(dst_gpu_addr, *dst_cpu_addr, dst_params, true, false);
+        TView src_surface = GetSurface(src_gpu_addr, *src_cpu_addr, src_params, true, false).second;
-        std::pair<TSurface, TView> src_surface =
+        ImageBlit(src_surface, dst_surface.second, copy_config);
-            GetSurface(src_gpu_addr, *src_cpu_addr, src_params, true, false);
-        ImageBlit(src_surface.second, dst_surface.second, copy_config);
         dst_surface.first->MarkAsModified(true, Tick());
     }
 
@@ -508,12 +506,12 @@ private:
             return RecycleStrategy::Flush;
         }
         // 3D Textures decision
-        if (params.block_depth > 1 || params.target == SurfaceTarget::Texture3D) {
+        if (params.target == SurfaceTarget::Texture3D) {
             return RecycleStrategy::Flush;
         }
         for (const auto& s : overlaps) {
             const auto& s_params = s->GetSurfaceParams();
-            if (s_params.block_depth > 1 || s_params.target == SurfaceTarget::Texture3D) {
+            if (s_params.target == SurfaceTarget::Texture3D) {
                 return RecycleStrategy::Flush;
             }
         }
@@ -731,51 +729,9 @@ private:
      */
     std::optional<std::pair<TSurface, TView>> Manage3DSurfaces(VectorSurface& overlaps,
                                                                const SurfaceParams& params,
-                                                               const GPUVAddr gpu_addr,
+                                                               GPUVAddr gpu_addr, VAddr cpu_addr,
-                                                               const VAddr cpu_addr,
                                                                bool preserve_contents) {
-        if (params.target == SurfaceTarget::Texture3D) {
+        if (params.target != SurfaceTarget::Texture3D) {
-            bool failed = false;
-            if (params.num_levels > 1) {
-                // We can't handle mipmaps in 3D textures yet, better fallback to LLE approach
-                return std::nullopt;
-            }
-            TSurface new_surface = GetUncachedSurface(gpu_addr, params);
-            bool modified = false;
-            for (auto& surface : overlaps) {
-                const SurfaceParams& src_params = surface->GetSurfaceParams();
-                if (src_params.target != SurfaceTarget::Texture2D) {
-                    failed = true;
-                    break;
-                }
-                if (src_params.height != params.height) {
-                    failed = true;
-                    break;
-                }
-                if (src_params.block_depth != params.block_depth ||
-                    src_params.block_height != params.block_height) {
-                    failed = true;
-                    break;
-                }
-                const u32 offset = static_cast<u32>(surface->GetCpuAddr() - cpu_addr);
-                const auto offsets = params.GetBlockOffsetXYZ(offset);
-                const auto z = std::get<2>(offsets);
-                modified |= surface->IsModified();
-                const CopyParams copy_params(0, 0, 0, 0, 0, z, 0, 0, params.width, params.height,
-                                             1);
-                ImageCopy(surface, new_surface, copy_params);
-            }
-            if (failed) {
-                return std::nullopt;
-            }
-            for (const auto& surface : overlaps) {
-                Unregister(surface);
-            }
-            new_surface->MarkAsModified(modified, Tick());
-            Register(new_surface);
-            auto view = new_surface->GetMainView();
-            return {{std::move(new_surface), view}};
-        } else {
             for (const auto& surface : overlaps) {
                 if (!surface->MatchTarget(params.target)) {
                     if (overlaps.size() == 1 && surface->GetCpuAddr() == cpu_addr) {
@@ -791,11 +747,60 @@ private:
                     continue;
                 }
                 if (surface->MatchesStructure(params) == MatchStructureResult::FullMatch) {
-                    return {{surface, surface->GetMainView()}};
+                    return std::make_pair(surface, surface->GetMainView());
                 }
             }
             return InitializeSurface(gpu_addr, params, preserve_contents);
         }
+
+        if (params.num_levels > 1) {
+            // We can't handle mipmaps in 3D textures yet, better fallback to LLE approach
+            return std::nullopt;
+        }
+
+        if (overlaps.size() == 1) {
+            const auto& surface = overlaps[0];
+            const SurfaceParams& overlap_params = surface->GetSurfaceParams();
+            // Don't attempt to render to textures with more than one level for now
+            // The texture has to be to the right or the sample address if we want to render to it
+            if (overlap_params.num_levels == 1 && cpu_addr >= surface->GetCpuAddr()) {
+                const u32 offset = static_cast<u32>(cpu_addr - surface->GetCpuAddr());
+                const u32 slice = std::get<2>(params.GetBlockOffsetXYZ(offset));
+                if (slice < overlap_params.depth) {
+                    auto view = surface->Emplace3DView(slice, params.depth, 0, 1);
+                    return std::make_pair(std::move(surface), std::move(view));
+                }
+            }
+        }
+
+        TSurface new_surface = GetUncachedSurface(gpu_addr, params);
+        bool modified = false;
+
+        for (auto& surface : overlaps) {
+            const SurfaceParams& src_params = surface->GetSurfaceParams();
+            if (src_params.target != SurfaceTarget::Texture2D ||
+                src_params.height != params.height ||
+                src_params.block_depth != params.block_depth ||
+                src_params.block_height != params.block_height) {
+                return std::nullopt;
+            }
+            modified |= surface->IsModified();
+
+            const u32 offset = static_cast<u32>(surface->GetCpuAddr() - cpu_addr);
+            const u32 slice = std::get<2>(params.GetBlockOffsetXYZ(offset));
+            const u32 width = params.width;
+            const u32 height = params.height;
+            const CopyParams copy_params(0, 0, 0, 0, 0, slice, 0, 0, width, height, 1);
+            ImageCopy(surface, new_surface, copy_params);
+        }
+        for (const auto& surface : overlaps) {
+            Unregister(surface);
+        }
+        new_surface->MarkAsModified(modified, Tick());
+        Register(new_surface);
+
+        TView view = new_surface->GetMainView();
+        return std::make_pair(std::move(new_surface), std::move(view));
     }
 
     /**
@@ -873,7 +878,7 @@ private:
             }
         }
 
-        // Check if it's a 3D texture
+        // Manage 3D textures
         if (params.block_depth > 0) {
             auto surface =
                 Manage3DSurfaces(overlaps, params, gpu_addr, cpu_addr, preserve_contents);