3 files changed, 43 insertions, 8 deletions

diff --git a/src/video_core/textures/decoders.cpp b/src/video_core/textures/decoders.cpp
index 2e87281eb..4df687786 100644
--- a/src/video_core/textures/decoders.cpp
+++ b/src/video_core/textures/decoders.cpp
@@ -48,31 +48,39 @@ u32 BytesPerPixel(TextureFormat format) {
     case TextureFormat::DXT1:
         // In this case a 'pixel' actually refers to a 4x4 tile.
         return 8;
+    case TextureFormat::DXT23:
+    case TextureFormat::DXT45:
+        // In this case a 'pixel' actually refers to a 4x4 tile.
+        return 16;
     case TextureFormat::A8R8G8B8:
         return 4;
+    case TextureFormat::B5G6R5:
+        return 2;
     default:
         UNIMPLEMENTED_MSG("Format not implemented");
         break;
     }
 }
 
-std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width, u32 height) {
+std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width, u32 height,
+                                 u32 block_height) {
     u8* data = Memory::GetPointer(address);
     u32 bytes_per_pixel = BytesPerPixel(format);
 
-    static constexpr u32 DefaultBlockHeight = 16;
-
     std::vector<u8> unswizzled_data(width * height * bytes_per_pixel);
 
     switch (format) {
     case TextureFormat::DXT1:
-        // In the DXT1 format, each 4x4 tile is swizzled instead of just individual pixel values.
+    case TextureFormat::DXT23:
+    case TextureFormat::DXT45:
+        // In the DXT formats, each 4x4 tile is swizzled instead of just individual pixel values.
         CopySwizzledData(width / 4, height / 4, bytes_per_pixel, bytes_per_pixel, data,
-                         unswizzled_data.data(), true, DefaultBlockHeight);
+                         unswizzled_data.data(), true, block_height);
         break;
     case TextureFormat::A8R8G8B8:
+    case TextureFormat::B5G6R5:
         CopySwizzledData(width, height, bytes_per_pixel, bytes_per_pixel, data,
-                         unswizzled_data.data(), true, DefaultBlockHeight);
+                         unswizzled_data.data(), true, block_height);
         break;
     default:
         UNIMPLEMENTED_MSG("Format not implemented");
@@ -89,7 +97,10 @@ std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat
     // TODO(Subv): Implement.
     switch (format) {
     case TextureFormat::DXT1:
+    case TextureFormat::DXT23:
+    case TextureFormat::DXT45:
     case TextureFormat::A8R8G8B8:
+    case TextureFormat::B5G6R5:
         // TODO(Subv): For the time being just forward the same data without any decoding.
         rgba_data = texture_data;
         break;
diff --git a/src/video_core/textures/decoders.h b/src/video_core/textures/decoders.h
index 0c21694ff..a700911cf 100644
--- a/src/video_core/textures/decoders.h
+++ b/src/video_core/textures/decoders.h
@@ -14,7 +14,8 @@ namespace Texture {
 /**
  * Unswizzles a swizzled texture without changing its format.
  */
-std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width, u32 height);
+std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width, u32 height,
+                                 u32 block_height = TICEntry::DefaultBlockHeight);
 
 /**
  * Decodes an unswizzled texture into a A8R8G8B8 texture.
diff --git a/src/video_core/textures/texture.h b/src/video_core/textures/texture.h
index 9d443ea90..86e45aa88 100644
--- a/src/video_core/textures/texture.h
+++ b/src/video_core/textures/texture.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include "common/assert.h"
 #include "common/bit_field.h"
 #include "common/common_funcs.h"
 #include "common/common_types.h"
@@ -14,6 +15,7 @@ namespace Texture {
 
 enum class TextureFormat : u32 {
     A8R8G8B8 = 0x8,
+    B5G6R5 = 0x15,
     DXT1 = 0x24,
     DXT23 = 0x25,
     DXT45 = 0x26,
@@ -57,6 +59,8 @@ union TextureHandle {
 static_assert(sizeof(TextureHandle) == 4, "TextureHandle has wrong size");
 
 struct TICEntry {
+    static constexpr u32 DefaultBlockHeight = 16;
+
     union {
         u32 raw;
         BitField<0, 7, TextureFormat> format;
@@ -70,7 +74,12 @@ struct TICEntry {
         BitField<0, 16, u32> address_high;
         BitField<21, 3, TICHeaderVersion> header_version;
     };
-    INSERT_PADDING_BYTES(4);
+    union {
+        BitField<3, 3, u32> block_height;
+
+        // High 16 bits of the pitch value
+        BitField<0, 16, u32> pitch_high;
+    };
     union {
         BitField<0, 16, u32> width_minus_1;
         BitField<23, 4, TextureType> texture_type;
@@ -82,6 +91,13 @@ struct TICEntry {
         return static_cast<GPUVAddr>((static_cast<GPUVAddr>(address_high) << 32) | address_low);
     }
 
+    u32 Pitch() const {
+        ASSERT(header_version == TICHeaderVersion::Pitch ||
+               header_version == TICHeaderVersion::PitchColorKey);
+        // The pitch value is 21 bits, and is 32B aligned.
+        return pitch_high << 5;
+    }
+
     u32 Width() const {
         return width_minus_1 + 1;
     }
@@ -90,6 +106,13 @@ struct TICEntry {
         return height_minus_1 + 1;
     }
 
+    u32 BlockHeight() const {
+        ASSERT(header_version == TICHeaderVersion::BlockLinear ||
+               header_version == TICHeaderVersion::BlockLinearColorKey);
+        // The block height is stored in log2 format.
+        return 1 << block_height;
+    }
+
     bool IsTiled() const {
         return header_version == TICHeaderVersion::BlockLinear ||
                header_version == TICHeaderVersion::BlockLinearColorKey;