From 075c0bf203f9c5e1c76321e1ae257d6b32e97818 Mon Sep 17 00:00:00 2001
From: Joshua Ashton <joshua@froggi.es>
Date: Wed, 24 May 2023 13:42:42 +0100
Subject: [PATCH] [d3d9] Use m_boundRTs for COLORWRITEENABLE checks

Also allows us to check for NULL RTs with this too and avoid extra work!
---
 src/d3d9/d3d9_device.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/d3d9/d3d9_device.cpp b/src/d3d9/d3d9_device.cpp
index 25dba75f0..bfa9e5222 100644
--- a/src/d3d9/d3d9_device.cpp
+++ b/src/d3d9/d3d9_device.cpp
@@ -1979,21 +1979,21 @@ namespace dxvk {
           m_flags.set(D3D9DeviceFlag::DirtyBlendState);
           break;
         case D3DRS_COLORWRITEENABLE1:
-          if (likely(!old != !Value && m_state.renderTargets[1] != nullptr)) {
+          if (likely(!old != !Value && (m_boundRTs & (1 << 1)))) {
             m_flags.set(D3D9DeviceFlag::DirtyFramebuffer);
             UpdateActiveRTs(1);
           }
           m_flags.set(D3D9DeviceFlag::DirtyBlendState);
           break;
         case D3DRS_COLORWRITEENABLE2:
-          if (likely(!old != !Value && m_state.renderTargets[2] != nullptr)) {
+          if (likely(!old != !Value && (m_boundRTs & (1 << 2)))) {
             m_flags.set(D3D9DeviceFlag::DirtyFramebuffer);
             UpdateActiveRTs(2);
           }
           m_flags.set(D3D9DeviceFlag::DirtyBlendState);
           break;
         case D3DRS_COLORWRITEENABLE3:
-          if (likely(!old != !Value && m_state.renderTargets[3] != nullptr)) {
+          if (likely(!old != !Value && (m_boundRTs & (1 << 3)))) {
             m_flags.set(D3D9DeviceFlag::DirtyFramebuffer);
             UpdateActiveRTs(3);
           }