From ac3ba9a33e0d1e14061fc0f341b69cb85ea2e6a6 Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Tue, 26 Mar 2019 19:02:24 -0400
Subject: [PATCH] Corrections to TEX_B

---
 src/video_core/engines/shader_bytecode.h | 32 ++++++++++++++++++++++++
 src/video_core/shader/decode/texture.cpp |  9 ++++---
 2 files changed, 37 insertions(+), 4 deletions(-)

diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 2edd3245e..71c22aff0 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -966,6 +966,38 @@ union Instruction {
         }
     } tex;
 
+    union {
+        BitField<28, 1, u64> array;
+        BitField<29, 2, TextureType> texture_type;
+        BitField<31, 4, u64> component_mask;
+        BitField<49, 1, u64> nodep_flag;
+        BitField<50, 1, u64> dc_flag;
+        BitField<36, 1, u64> aoffi_flag;
+        BitField<37, 3, TextureProcessMode> process_mode;
+
+        bool IsComponentEnabled(std::size_t component) const {
+            return ((1ull << component) & component_mask) != 0;
+        }
+
+        TextureProcessMode GetTextureProcessMode() const {
+            return process_mode;
+        }
+
+        bool UsesMiscMode(TextureMiscMode mode) const {
+            switch (mode) {
+            case TextureMiscMode::DC:
+                return dc_flag != 0;
+            case TextureMiscMode::NODEP:
+                return nodep_flag != 0;
+            case TextureMiscMode::AOFFI:
+                return aoffi_flag != 0;
+            default:
+                break;
+            }
+            return false;
+        }
+    } tex_b;
+
     union {
         BitField<22, 6, TextureQueryType> query_type;
         BitField<31, 4, u64> component_mask;
diff --git a/src/video_core/shader/decode/texture.cpp b/src/video_core/shader/decode/texture.cpp
index 3ac04f6b7..300f1abad 100644
--- a/src/video_core/shader/decode/texture.cpp
+++ b/src/video_core/shader/decode/texture.cpp
@@ -65,10 +65,10 @@ u32 ShaderIR::DecodeTexture(NodeBlock& bb, u32 pc) {
             LOG_WARNING(HW_GPU, "TEX.NODEP implementation is incomplete");
         }
 
-        const TextureType texture_type{instr.tex.texture_type};
-        const bool is_array = instr.tex.array != 0;
-        const bool depth_compare = instr.tex.UsesMiscMode(TextureMiscMode::DC);
-        const auto process_mode = instr.tex.GetTextureProcessMode();
+        const TextureType texture_type{instr.tex_b.texture_type};
+        const bool is_array = instr.tex_b.array != 0;
+        const bool depth_compare = instr.tex_b.UsesMiscMode(TextureMiscMode::DC);
+        const auto process_mode = instr.tex_b.GetTextureProcessMode();
         WriteTexInstructionFloat(bb, instr,
                                  GetTexCode(instr, texture_type, process_mode, depth_compare,
                                             is_array, true, instr.gpr20));
@@ -462,6 +462,7 @@ Node4 ShaderIR::GetTexCode(Instruction instr, TextureType texture_type,
     if (is_aoffi) {
         aoffi = GetAoffiCoordinates(GetRegister(parameter_register++), coord_count, false);
     }
+    const u32 bindless_offset = (is_bindless ? 1 : 0);
 
     Node dc{};
     if (depth_compare) {