From 2ac7472d3f94f1adb33c0a1d7748e922c515f6a8 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Sun, 14 Jul 2019 17:42:39 -0400
Subject: Texture_Cache: Address Feedback

---
 src/video_core/texture_cache/surface_base.h     |  4 +++-
 src/video_core/texture_cache/surface_params.cpp |  9 ++++-----
 src/video_core/texture_cache/texture_cache.h    | 17 ++++++++++-------
 3 files changed, 17 insertions(+), 13 deletions(-)

diff --git a/src/video_core/texture_cache/surface_base.h b/src/video_core/texture_cache/surface_base.h
index fb6378bc7..bcce8d863 100644
--- a/src/video_core/texture_cache/surface_base.h
+++ b/src/video_core/texture_cache/surface_base.h
@@ -312,11 +312,13 @@ private:
         return view;
     }
 
+    static constexpr u32 NO_RT = 0xFFFFFFFF;
+
     bool is_modified{};
     bool is_target{};
     bool is_registered{};
     bool is_picked{};
-    u32 index{0xFFFFFFFF};
+    u32 index{NO_RT};
     u64 modification_tick{};
 };
 
diff --git a/src/video_core/texture_cache/surface_params.cpp b/src/video_core/texture_cache/surface_params.cpp
index 33c94daa8..fd5472451 100644
--- a/src/video_core/texture_cache/surface_params.cpp
+++ b/src/video_core/texture_cache/surface_params.cpp
@@ -297,12 +297,11 @@ std::size_t SurfaceParams::GetInnerMipmapMemorySize(u32 level, bool as_host_size
         return Tegra::Texture::CalculateSize(!as_host_size, GetBytesPerPixel(), width, height,
                                              depth, GetMipBlockHeight(level),
                                              GetMipBlockDepth(level));
+    } else if (as_host_size || IsBuffer()) {
+        return GetBytesPerPixel() * width * height * depth;
     } else {
-        if (as_host_size || IsBuffer()) {
-            return GetBytesPerPixel() * width * height * depth;
-        } else {
-            return pitch * height * depth;
-        }
+        // Linear Texture Case
+        return pitch * height * depth;
     }
 }
 
diff --git a/src/video_core/texture_cache/texture_cache.h b/src/video_core/texture_cache/texture_cache.h
index 6d3d2da7d..7f9623c62 100644
--- a/src/video_core/texture_cache/texture_cache.h
+++ b/src/video_core/texture_cache/texture_cache.h
@@ -133,11 +133,11 @@ public:
             regs.zeta.memory_layout.block_depth, regs.zeta.memory_layout.type)};
         auto surface_view = GetSurface(gpu_addr, depth_params, preserve_contents, true);
         if (depth_buffer.target)
-            depth_buffer.target->MarkAsRenderTarget(false, -1);
+            depth_buffer.target->MarkAsRenderTarget(false, NO_RT);
         depth_buffer.target = surface_view.first;
         depth_buffer.view = surface_view.second;
         if (depth_buffer.target)
-            depth_buffer.target->MarkAsRenderTarget(true, 8);
+            depth_buffer.target->MarkAsRenderTarget(true, DEPTH_RT);
         return surface_view.second;
     }
 
@@ -167,7 +167,7 @@ public:
         auto surface_view = GetSurface(gpu_addr, SurfaceParams::CreateForFramebuffer(system, index),
                                        preserve_contents, true);
         if (render_targets[index].target)
-            render_targets[index].target->MarkAsRenderTarget(false, -1);
+            render_targets[index].target->MarkAsRenderTarget(false, NO_RT);
         render_targets[index].target = surface_view.first;
         render_targets[index].view = surface_view.second;
         if (render_targets[index].target)
@@ -191,7 +191,7 @@ public:
         if (depth_buffer.target == nullptr) {
             return;
         }
-        depth_buffer.target->MarkAsRenderTarget(false, -1);
+        depth_buffer.target->MarkAsRenderTarget(false, NO_RT);
         depth_buffer.target = nullptr;
         depth_buffer.view = nullptr;
     }
@@ -200,7 +200,7 @@ public:
         if (render_targets[index].target == nullptr) {
             return;
         }
-        render_targets[index].target->MarkAsRenderTarget(false, -1);
+        render_targets[index].target->MarkAsRenderTarget(false, NO_RT);
         render_targets[index].target = nullptr;
         render_targets[index].view = nullptr;
     }
@@ -272,8 +272,8 @@ protected:
 
     void ManageRenderTargetUnregister(TSurface& surface) {
         auto& maxwell3d = system.GPU().Maxwell3D();
-        u32 index = surface->GetRenderTarget();
-        if (index == 8) {
+        const u32 index = surface->GetRenderTarget();
+        if (index == DEPTH_RT) {
             maxwell3d.dirty_flags.zeta_buffer = true;
         } else {
             maxwell3d.dirty_flags.color_buffer.set(index, true);
@@ -797,6 +797,9 @@ private:
     static constexpr u64 registry_page_size{1 << registry_page_bits};
     std::unordered_map<CacheAddr, std::vector<TSurface>> registry;
 
+    static constexpr u32 DEPTH_RT = 8;
+    static constexpr u32 NO_RT = 0xFFFFFFFF;
+
     // The L1 Cache is used for fast texture lookup before checking the overlaps
     // This avoids calculating size and other stuffs.
     std::unordered_map<CacheAddr, TSurface> l1_cache;
-- 
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