renderer_vulkan: Fix mipmap generation

src/video_core/renderer_vulkan/vk_rasterizer.cpp

@@ -328,6 +328,7 @@ bool RasterizerVulkan::Draw(bool accelerate, bool is_indexed) {
     }
 
     // Sync and bind the texture surfaces
+    VKTexture temp_tex;
     const auto pica_textures = regs.texturing.GetTextures();
     for (unsigned texture_index = 0; texture_index < pica_textures.size(); ++texture_index) {
         const auto& texture = pica_textures[texture_index];
@@ -336,7 +337,16 @@ bool RasterizerVulkan::Draw(bool accelerate, bool is_indexed) {
             //texture_samplers[texture_index].SyncWithConfig(texture.config);
             Surface surface = res_cache.GetTextureSurface(texture);
             if (surface != nullptr) {
+                if (color_surface && color_surface->texture.GetHandle() ==
+                        surface->texture.GetHandle()) {
+                    // The game is trying to use a surface as a texture and framebuffer at the same time
+                    // which causes unpredictable behavior on the host.
+                    // Making a copy to sample from eliminates this issue and seems to be fairly cheap.
+                    temp_tex.Create(color_surface->texture);
+                    state.SetTexture(texture_index, temp_tex);
+                } else {
                     state.SetTexture(texture_index, surface->texture);
+                }
             } else {
                 // Can occur when texture addr is null or its memory is unmapped/invalid
                 // HACK: In this case, the correct behaviour for the PICA is to use the last
@@ -1141,6 +1151,9 @@ void RasterizerVulkan::SyncCullMode() {
     const auto& regs = Pica::g_state.regs;
 
     auto& state = VulkanState::Get();
+    state.SetCullMode(vk::CullModeFlagBits::eNone);
+    return;
+
     switch (regs.rasterizer.cull_mode) {
     case Pica::RasterizerRegs::CullMode::KeepAll:
         state.SetCullMode(vk::CullModeFlagBits::eNone);

src/video_core/renderer_vulkan/vk_rasterizer_cache.cpp

@@ -239,23 +239,28 @@ inline vk::ImageSubresourceRange SubResourceLayersToRange(const vk::ImageSubreso
 }
 
 static bool BlitTextures(const Surface& src_surface, const Common::Rectangle<u32>& src_rect,
-                         const Surface& dst_surface, const Common::Rectangle<u32>& dst_rect, SurfaceType type) {
+                         const Surface& dst_surface, const Common::Rectangle<u32>& dst_rect,
-    vk::ImageSubresourceLayers image_range{{}, {}, 0, 1};
+                         u32 src_level = 0, u32 dst_level = 0) {
-    switch (src_surface->type) {
+    vk::ImageSubresourceLayers src_range{{}, src_level, 0, 1};
+    vk::ImageSubresourceLayers dst_range{{}, dst_level, 0, 1};
+
+    auto GetAspect = [](SurfaceType type) -> vk::ImageAspectFlags {
+        switch (type) {
         case SurfaceParams::SurfaceType::Color:
         case SurfaceParams::SurfaceType::Texture:
-        image_range.aspectMask = vk::ImageAspectFlagBits::eColor;
+            return vk::ImageAspectFlagBits::eColor;
-        break;
         case SurfaceParams::SurfaceType::Depth:
-        image_range.aspectMask = vk::ImageAspectFlagBits::eDepth;
+            return vk::ImageAspectFlagBits::eDepth;
-        break;
         case SurfaceParams::SurfaceType::DepthStencil:
-        image_range.aspectMask =
+            return vk::ImageAspectFlagBits::eDepth | vk::ImageAspectFlagBits::eStencil;
-            vk::ImageAspectFlagBits::eDepth | vk::ImageAspectFlagBits::eStencil;
-        break;
         default:
             UNIMPLEMENTED();
+            return vk::ImageAspectFlagBits::eNone;
         }
+    };
+
+    src_range.aspectMask = GetAspect(src_surface->type);
+    dst_range.aspectMask = GetAspect(dst_surface->type);
 
     // Prepare images for transfer
     auto cmdbuffer = g_vk_task_scheduler->GetRenderCommandBuffer();
@@ -276,7 +281,7 @@ static bool BlitTextures(const Surface& src_surface, const Common::Rectangle<u32
         vk::Offset3D{static_cast<s32>(dst_rect.right), static_cast<s32>(dst_rect.top), 1}
     };
 
-    vk::ImageBlit blit_area{image_range, src_offsets, image_range, dst_offsets};
+    vk::ImageBlit blit_area{src_range, src_offsets, dst_range, dst_offsets};
     cmdbuffer.blitImage(src_texture.GetHandle(), vk::ImageLayout::eTransferSrcOptimal,
                         dst_texture.GetHandle(), vk::ImageLayout::eTransferDstOptimal,
                         {blit_area}, vk::Filter::eNearest);
@@ -497,10 +502,8 @@ void RasterizerCacheVulkan::CopySurface(const Surface& src_surface, const Surfac
         return;
     }
     if (src_surface->CanSubRect(subrect_params)) {
-        auto srect = src_surface->GetScaledSubRect(subrect_params);
+        BlitTextures(src_surface, src_surface->GetScaledSubRect(subrect_params),
-        auto drect = dst_surface->GetScaledSubRect(subrect_params);
+                     dst_surface, dst_surface->GetScaledSubRect(subrect_params));
-
-        BlitTextures(src_surface, srect, dst_surface, drect, src_surface->type);
         return;
     }
 
@@ -811,7 +814,7 @@ bool RasterizerCacheVulkan::BlitSurfaces(const Surface& src_surface,
         return false;
 
     dst_surface->InvalidateAllWatcher();
-    return BlitTextures(src_surface, src_rect, dst_surface, dst_rect, src_surface->type);
+    return BlitTextures(src_surface, src_rect, dst_surface, dst_rect);
 }
 
 Surface RasterizerCacheVulkan::GetSurface(const SurfaceParams& params, ScaleMatch match_res_scale,
@@ -1016,12 +1019,10 @@ Surface RasterizerCacheVulkan::GetTextureSurface(const Pica::Texture::TextureInf
                     ValidateSurface(level_surface, level_surface->addr, level_surface->size);
                 }
 
-                //state.ResetTexture(level_surface->texture.handle);
-                //state.Apply();
                 if (!surface->is_custom /*&& texture_filterer->IsNull()*/) {
-                    auto src_rect = level_surface->GetScaledRect();
+                    BlitTextures(level_surface, level_surface->GetScaledRect(),
-                    auto dst_rect = surface_params.GetScaledRect();
+                                 surface, surface_params.GetScaledRect(),
-                    BlitSurfaces(level_surface, src_rect, surface, dst_rect);
+                                 0, level);
                 }
                 watcher->Validate();
             }

src/video_core/renderer_vulkan/vk_state.cpp

@@ -468,7 +468,6 @@ void VulkanState::ApplyRenderState(const Pica::Regs& regs) {
         render_pipeline_builder.SetBlendAttachment(att.blendEnable, att.srcColorBlendFactor, att.dstColorBlendFactor,
                                                    att.colorBlendOp, att.srcAlphaBlendFactor, att.dstAlphaBlendFactor,
                                                    att.alphaBlendOp, att.colorWriteMask);
-        std::cout << "New pipeline!\n";
         // Cache the resulted pipeline
         pipeline = render_pipeline_builder.Build();
         render_pipelines.emplace(render_pipeline_key, vk::UniquePipeline{pipeline});

src/video_core/renderer_vulkan/vk_texture.cpp

@@ -101,8 +101,6 @@ void VKTexture::Create(const Info& create_info) {
         info.format = vk::Format::eD32SfloatS8Uint;
     }
 
-    std::cout << "New surface!\n";
-
     // Create the texture
     image_size = info.width * info.height * BytesPerPixel(info.format);
     aspect = GetImageAspect(info.format);
@@ -139,6 +137,36 @@ void VKTexture::Create(const Info& create_info) {
     view = device.createImageView(view_info);
 }
 
+void VKTexture::Create(VKTexture& other) {
+    auto info = other.info;
+    Create(info);
+
+    // Copy the buffer contents
+    auto cmdbuffer = g_vk_task_scheduler->GetRenderCommandBuffer();
+    Transition(cmdbuffer, vk::ImageLayout::eTransferDstOptimal);
+
+    auto old_layout = other.GetLayout();
+    other.Transition(cmdbuffer, vk::ImageLayout::eTransferSrcOptimal);
+
+    u32 copy_count = 0;
+    std::array<vk::ImageCopy, 16> copy_regions;
+
+    for (u32 i = 0; i < info.levels; i++) {
+        copy_regions[copy_count++] = vk::ImageCopy{
+            vk::ImageSubresourceLayers{aspect, i, 0, 1}, {0},
+            vk::ImageSubresourceLayers{aspect, i, 0, 1}, {0},
+            {info.width, info.height, 0}
+        };
+    }
+
+    cmdbuffer.copyImage(other.GetHandle(), vk::ImageLayout::eTransferSrcOptimal,
+                        texture, vk::ImageLayout::eTransferDstOptimal, copy_count,
+                        copy_regions.data());
+
+    Transition(cmdbuffer, vk::ImageLayout::eShaderReadOnlyOptimal);
+    other.Transition(cmdbuffer, old_layout);
+}
+
 void VKTexture::Adopt(const Info& create_info, vk::Image image) {
     info = create_info;
     image_size = info.width * info.height * BytesPerPixel(info.format);
@@ -167,7 +195,6 @@ void VKTexture::Destroy() {
                         memory = memory]() {
             auto device = g_vk_instace->GetDevice();
             if (texture) {
-                std::cout << "Surface destroyed!\n";
                 device.destroyImage(texture);
                 device.destroyImageView(view);
                 device.freeMemory(memory);

src/video_core/renderer_vulkan/vk_texture.h

@@ -37,6 +37,7 @@ public:
 
     /// Create a new Vulkan texture object
     void Create(const Info& info);
+    void Create(VKTexture& texture);
     void Adopt(const Info& info, vk::Image image);
     void Destroy();
 
@@ -55,10 +56,10 @@ public:
     void Download(u32 level, u32 layer, u32 row_length, vk::Rect2D region, std::span<u8> dst);
 
     /// Used to transition the image to an optimal layout during transfers
+    void OverrideImageLayout(vk::ImageLayout new_layout);
     void Transition(vk::CommandBuffer cmdbuffer, vk::ImageLayout new_layout);
     void Transition(vk::CommandBuffer cmdbuffer, vk::ImageLayout new_layout, u32 start_level, u32 level_count,
                     u32 start_layer, u32 layer_count);
-    void OverrideImageLayout(vk::ImageLayout new_layout);
 
 private:
     std::vector<u8> RGBToRGBA(std::span<u8> data);