From f234ae92da2afd9719dc8459cfb357367ded63fc Mon Sep 17 00:00:00 2001
From: "Herman S." <429230+has207@users.noreply.github.com>
Date: Tue, 20 Jan 2026 14:51:56 +0900
Subject: [PATCH] [D3D12] Ensure k_8_8_8_8_GAMMA is properly identified as
 64bpp

Fixes red bleeding in Halo Reach
---
 src/xenia/gpu/d3d12/d3d12_render_target_cache.cc | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/xenia/gpu/d3d12/d3d12_render_target_cache.cc b/src/xenia/gpu/d3d12/d3d12_render_target_cache.cc
index 416c0817e..a2b8703c6 100644
--- a/src/xenia/gpu/d3d12/d3d12_render_target_cache.cc
+++ b/src/xenia/gpu/d3d12/d3d12_render_target_cache.cc
@@ -2152,7 +2152,10 @@ D3D12RenderTargetCache::GetOrCreateTransferPipelines(TransferShaderKey key) {
   xenos::DepthRenderTargetFormat dest_depth_format =
       xenos::DepthRenderTargetFormat(key.dest_resource_format);
   bool dest_is_64bpp =
-      dest_is_color && xenos::IsColorRenderTargetFormat64bpp(dest_color_format);
+      dest_is_color &&
+      (xenos::IsColorRenderTargetFormat64bpp(dest_color_format) ||
+       (dest_color_format == xenos::ColorRenderTargetFormat::k_8_8_8_8_GAMMA &&
+        gamma_render_target_as_unorm16_));
 
   xenos::ColorRenderTargetFormat source_color_format =
       xenos::ColorRenderTargetFormat(key.source_resource_format);
@@ -2169,7 +2172,10 @@ D3D12RenderTargetCache::GetOrCreateTransferPipelines(TransferShaderKey key) {
     assert_zero(rs & kTransferUsedRootParameterDepthSRVBit);
     assert_zero(rs & kTransferUsedRootParameterStencilSRVBit);
     source_is_64bpp =
-        xenos::IsColorRenderTargetFormat64bpp(source_color_format);
+        xenos::IsColorRenderTargetFormat64bpp(source_color_format) ||
+        (source_color_format ==
+             xenos::ColorRenderTargetFormat::k_8_8_8_8_GAMMA &&
+         gamma_render_target_as_unorm16_);
     source_color_format_component_count =
         xenos::GetColorRenderTargetFormatComponentCount(source_color_format);
     if (dest_is_stencil_bit) {