From fd7afda1e802fffe843ac28811470432949fe7ee Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Wed, 13 Apr 2022 20:19:06 +0200
Subject: VideoCore: Implement formats needed for N64 emulation.

---
 src/video_core/renderer_opengl/maxwell_to_gl.h       | 2 +-
 src/video_core/renderer_vulkan/maxwell_to_vk.cpp     | 2 +-
 src/video_core/renderer_vulkan/vk_texture_cache.cpp  | 2 +-
 src/video_core/surface.h                             | 8 ++++----
 src/video_core/texture_cache/format_lookup_table.cpp | 2 +-
 src/video_core/texture_cache/formatter.h             | 4 ++--
 6 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/src/video_core/renderer_opengl/maxwell_to_gl.h b/src/video_core/renderer_opengl/maxwell_to_gl.h
index dfe7f26ca..004421236 100644
--- a/src/video_core/renderer_opengl/maxwell_to_gl.h
+++ b/src/video_core/renderer_opengl/maxwell_to_gl.h
@@ -87,7 +87,7 @@ constexpr std::array<FormatTuple, VideoCore::Surface::MaxPixelFormat> FORMAT_TAB
     {GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT},                         // BC3_SRGB
     {GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM},                            // BC7_SRGB
     {GL_RGBA4, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4_REV},               // A4B4G4R4_UNORM
-    {GL_R8, GL_RED, GL_UNSIGNED_BYTE},                                // R4G4_UNORM
+    {GL_R8, GL_RED, GL_UNSIGNED_BYTE},                                // G4R4_UNORM
     {GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR},                        // ASTC_2D_4X4_SRGB
     {GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR},                        // ASTC_2D_8X8_SRGB
     {GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR},                        // ASTC_2D_8X5_SRGB
diff --git a/src/video_core/renderer_vulkan/maxwell_to_vk.cpp b/src/video_core/renderer_vulkan/maxwell_to_vk.cpp
index 6703b8e68..e7104d377 100644
--- a/src/video_core/renderer_vulkan/maxwell_to_vk.cpp
+++ b/src/video_core/renderer_vulkan/maxwell_to_vk.cpp
@@ -184,7 +184,7 @@ struct FormatTuple {
     {VK_FORMAT_BC3_SRGB_BLOCK},                                // BC3_SRGB
     {VK_FORMAT_BC7_SRGB_BLOCK},                                // BC7_SRGB
     {VK_FORMAT_R4G4B4A4_UNORM_PACK16, Attachable},             // A4B4G4R4_UNORM
-    {VK_FORMAT_R4G4_UNORM_PACK8},                              // R4G4_UNORM
+    {VK_FORMAT_R4G4_UNORM_PACK8},                              // G4R4_UNORM
     {VK_FORMAT_ASTC_4x4_SRGB_BLOCK},                           // ASTC_2D_4X4_SRGB
     {VK_FORMAT_ASTC_8x8_SRGB_BLOCK},                           // ASTC_2D_8X8_SRGB
     {VK_FORMAT_ASTC_8x5_SRGB_BLOCK},                           // ASTC_2D_8X5_SRGB
diff --git a/src/video_core/renderer_vulkan/vk_texture_cache.cpp b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
index caca79d79..8d2728cd7 100644
--- a/src/video_core/renderer_vulkan/vk_texture_cache.cpp
+++ b/src/video_core/renderer_vulkan/vk_texture_cache.cpp
@@ -592,7 +592,7 @@ void TryTransformSwizzleIfNeeded(PixelFormat format, std::array<SwizzleSource, 4
     case PixelFormat::A5B5G5R1_UNORM:
         std::ranges::transform(swizzle, swizzle.begin(), SwapSpecial);
         break;
-    case PixelFormat::R4G4_UNORM:
+    case PixelFormat::G4R4_UNORM:
         std::ranges::transform(swizzle, swizzle.begin(), SwapGreenRed);
         break;
     default:
diff --git a/src/video_core/surface.h b/src/video_core/surface.h
index 5fd82357c..57ca7f597 100644
--- a/src/video_core/surface.h
+++ b/src/video_core/surface.h
@@ -82,7 +82,7 @@ enum class PixelFormat {
     BC3_SRGB,
     BC7_SRGB,
     A4B4G4R4_UNORM,
-    R4G4_UNORM,
+    G4R4_UNORM,
     ASTC_2D_4X4_SRGB,
     ASTC_2D_8X8_SRGB,
     ASTC_2D_8X5_SRGB,
@@ -218,7 +218,7 @@ constexpr std::array<u8, MaxPixelFormat> BLOCK_WIDTH_TABLE = {{
     4,  // BC3_SRGB
     4,  // BC7_SRGB
     1,  // A4B4G4R4_UNORM
-    1,  // R4G4_UNORM
+    1,  // G4R4_UNORM
     4,  // ASTC_2D_4X4_SRGB
     8,  // ASTC_2D_8X8_SRGB
     8,  // ASTC_2D_8X5_SRGB
@@ -323,7 +323,7 @@ constexpr std::array<u8, MaxPixelFormat> BLOCK_HEIGHT_TABLE = {{
     4,  // BC3_SRGB
     4,  // BC7_SRGB
     1,  // A4B4G4R4_UNORM
-    1,  // R4G4_UNORM
+    1,  // G4R4_UNORM
     4,  // ASTC_2D_4X4_SRGB
     8,  // ASTC_2D_8X8_SRGB
     5,  // ASTC_2D_8X5_SRGB
@@ -428,7 +428,7 @@ constexpr std::array<u8, MaxPixelFormat> BITS_PER_BLOCK_TABLE = {{
     128, // BC3_SRGB
     128, // BC7_UNORM
     16,  // A4B4G4R4_UNORM
-    8,   // R4G4_UNORM
+    8,   // G4R4_UNORM
     128, // ASTC_2D_4X4_SRGB
     128, // ASTC_2D_8X8_SRGB
     128, // ASTC_2D_8X5_SRGB
diff --git a/src/video_core/texture_cache/format_lookup_table.cpp b/src/video_core/texture_cache/format_lookup_table.cpp
index c71694d2a..ad935d386 100644
--- a/src/video_core/texture_cache/format_lookup_table.cpp
+++ b/src/video_core/texture_cache/format_lookup_table.cpp
@@ -63,7 +63,7 @@ PixelFormat PixelFormatFromTextureInfo(TextureFormat format, ComponentType red,
     case Hash(TextureFormat::A4B4G4R4, UNORM):
         return PixelFormat::A4B4G4R4_UNORM;
     case Hash(TextureFormat::G4R4, UNORM):
-        return PixelFormat::R4G4_UNORM;
+        return PixelFormat::G4R4_UNORM;
     case Hash(TextureFormat::A5B5G5R1, UNORM):
         return PixelFormat::A5B5G5R1_UNORM;
     case Hash(TextureFormat::R8, UNORM):
diff --git a/src/video_core/texture_cache/formatter.h b/src/video_core/texture_cache/formatter.h
index 6881e4c90..acc854715 100644
--- a/src/video_core/texture_cache/formatter.h
+++ b/src/video_core/texture_cache/formatter.h
@@ -153,8 +153,8 @@ struct fmt::formatter<VideoCore::Surface::PixelFormat> : fmt::formatter<fmt::str
                 return "BC7_SRGB";
             case PixelFormat::A4B4G4R4_UNORM:
                 return "A4B4G4R4_UNORM";
-            case PixelFormat::R4G4_UNORM:
-                return "R4G4_UNORM";
+            case PixelFormat::G4R4_UNORM:
+                return "G4R4_UNORM";
             case PixelFormat::ASTC_2D_4X4_SRGB:
                 return "ASTC_2D_4X4_SRGB";
             case PixelFormat::ASTC_2D_8X8_SRGB:
-- 
cgit v1.2.3