texture_cache: Implement rendering to 3D textures

This allows rendering to 3D textures with more than one slice.
Applications are allowed to render to more than one slice of a texture
using gl_Layer from a VTG shader.

This also requires reworking how 3D texture collisions are handled, for
now, this commit allows rendering to slices but not to miplevels. When a
render target attempts to write to a mipmap, we fallback to the previous
implementation (copying or flushing as needed).

- Fixes color correction 3D textures on UE4 games (rainbow effects).
- Allows Xenoblade games to render to 3D textures directly.

1 files changed, 5 insertions, 4 deletions

diff --git a/src/video_core/renderer_vulkan/vk_rasterizer.cpp b/src/video_core/renderer_vulkan/vk_rasterizer.cpp
index d86c46412b..19b8f9da37 100644
--- a/src/video_core/renderer_vulkan/vk_rasterizer.cpp
+++ b/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());
@@ -1137,8 +1137,8 @@ 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,
-                                            texture.tic.z_source, texture.tic.w_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();