From 549fd18ac44c6bcefdf6584484d775f0129e3fe3 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Tue, 7 May 2019 22:03:33 -0300
Subject: surface_view: Add constructor for ViewParams

---
 src/video_core/texture_cache/surface_base.h | 39 +++++++++--------------------
 src/video_core/texture_cache/surface_view.h |  8 +++++-
 2 files changed, 19 insertions(+), 28 deletions(-)

(limited to 'src/video_core/texture_cache')

diff --git a/src/video_core/texture_cache/surface_base.h b/src/video_core/texture_cache/surface_base.h
index 0cfb835d9..f469ab498 100644
--- a/src/video_core/texture_cache/surface_base.h
+++ b/src/video_core/texture_cache/surface_base.h
@@ -253,45 +253,30 @@ public:
     }
 
     TView EmplaceOverview(const SurfaceParams& overview_params) {
-        ViewParams vp{};
-        vp.base_level = 0;
-        vp.num_levels = params.num_levels;
-        vp.target = overview_params.target;
-        if (params.is_layered && !overview_params.is_layered) {
-            vp.base_layer = 0;
-            vp.num_layers = 1;
-        } else {
-            vp.base_layer = 0;
-            vp.num_layers = params.depth;
-        }
-        return GetView(vp);
+        const u32 num_layers{params.is_layered && !overview_params.is_layered ? 1 : params.depth};
+        const ViewParams view_params(overview_params.target, 0, num_layers, 0, params.num_levels);
+        return GetView(view_params);
     }
 
     std::optional<TView> EmplaceView(const SurfaceParams& view_params, const GPUVAddr view_addr) {
-        if (view_addr < gpu_addr)
-            return {};
-        if (params.target == SurfaceTarget::Texture3D ||
+        if (view_addr < gpu_addr || params.target == SurfaceTarget::Texture3D ||
             view_params.target == SurfaceTarget::Texture3D) {
             return {};
         }
-        const std::size_t size = view_params.GetGuestSizeInBytes();
-        auto layer_mipmap = GetLayerMipmap(view_addr);
+        const std::size_t size{view_params.GetGuestSizeInBytes()};
+        const auto layer_mipmap{GetLayerMipmap(view_addr)};
         if (!layer_mipmap) {
             return {};
         }
-        const u32 layer = (*layer_mipmap).first;
-        const u32 mipmap = (*layer_mipmap).second;
+        const u32 layer{layer_mipmap->first};
+        const u32 mipmap{layer_mipmap->second};
         if (GetMipmapSize(mipmap) != size) {
-            // TODO: the view may cover many mimaps, this case can still go on
+            // TODO: The view may cover many mimaps, this case can still go on.
+            // This edge-case can be safely be ignored since it will just result in worse
+            // performance.
             return {};
         }
-        ViewParams vp{};
-        vp.base_layer = layer;
-        vp.num_layers = 1;
-        vp.base_level = mipmap;
-        vp.num_levels = 1;
-        vp.target = view_params.target;
-        return {GetView(vp)};
+        return GetView(ViewParams(params.target, layer, 1, mipmap, 1));
     }
 
     TView GetMainView() const {
diff --git a/src/video_core/texture_cache/surface_view.h b/src/video_core/texture_cache/surface_view.h
index c122800a6..1ef4509ce 100644
--- a/src/video_core/texture_cache/surface_view.h
+++ b/src/video_core/texture_cache/surface_view.h
@@ -13,15 +13,21 @@
 namespace VideoCommon {
 
 struct ViewParams {
+    ViewParams(VideoCore::Surface::SurfaceTarget target, u32 base_layer, u32 num_layers,
+               u32 base_level, u32 num_levels)
+        : target{target}, base_layer{base_layer}, num_layers{num_layers}, base_level{base_level},
+          num_levels{num_levels} {}
+
     std::size_t Hash() const;
 
     bool operator==(const ViewParams& rhs) const;
 
+    VideoCore::Surface::SurfaceTarget target{};
     u32 base_layer{};
     u32 num_layers{};
     u32 base_level{};
     u32 num_levels{};
-    VideoCore::Surface::SurfaceTarget target;
+
     bool IsLayered() const {
         switch (target) {
         case VideoCore::Surface::SurfaceTarget::Texture1DArray:
-- 
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