From 0d99b7962d8e06958668168cdae155fd1e3d1757 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Fri, 19 Aug 2022 22:15:23 -0400
Subject: state_tracker: workaround channel setup for homebrew

---
 src/video_core/query_cache.h                        | 6 ++++--
 src/video_core/renderer_opengl/gl_state_tracker.cpp | 2 +-
 src/video_core/renderer_opengl/gl_state_tracker.h   | 1 +
 src/video_core/renderer_vulkan/vk_state_tracker.cpp | 3 ++-
 src/video_core/renderer_vulkan/vk_state_tracker.h   | 1 +
 5 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/video_core/query_cache.h b/src/video_core/query_cache.h
index eb68ea638..b0ebe71b7 100644
--- a/src/video_core/query_cache.h
+++ b/src/video_core/query_cache.h
@@ -135,8 +135,10 @@ public:
     /// Updates counters from GPU state. Expected to be called once per draw, clear or dispatch.
     void UpdateCounters() {
         std::unique_lock lock{mutex};
-        const auto& regs = maxwell3d->regs;
-        Stream(VideoCore::QueryType::SamplesPassed).Update(regs.samplecnt_enable);
+        if (maxwell3d) {
+            const auto& regs = maxwell3d->regs;
+            Stream(VideoCore::QueryType::SamplesPassed).Update(regs.samplecnt_enable);
+        }
     }
 
     /// Resets a counter to zero. It doesn't disable the query after resetting.
diff --git a/src/video_core/renderer_opengl/gl_state_tracker.cpp b/src/video_core/renderer_opengl/gl_state_tracker.cpp
index 3657f867d..a8f3a0f57 100644
--- a/src/video_core/renderer_opengl/gl_state_tracker.cpp
+++ b/src/video_core/renderer_opengl/gl_state_tracker.cpp
@@ -237,6 +237,6 @@ void StateTracker::InvalidateState() {
     flags->set();
 }
 
-StateTracker::StateTracker() : flags{} {}
+StateTracker::StateTracker() : flags{&default_flags} {}
 
 } // namespace OpenGL
diff --git a/src/video_core/renderer_opengl/gl_state_tracker.h b/src/video_core/renderer_opengl/gl_state_tracker.h
index 97d32768b..19bcf3f35 100644
--- a/src/video_core/renderer_opengl/gl_state_tracker.h
+++ b/src/video_core/renderer_opengl/gl_state_tracker.h
@@ -223,6 +223,7 @@ public:
 
 private:
     Tegra::Engines::Maxwell3D::DirtyState::Flags* flags;
+    Tegra::Engines::Maxwell3D::DirtyState::Flags default_flags{};
 
     GLuint framebuffer = 0;
     GLuint index_buffer = 0;
diff --git a/src/video_core/renderer_vulkan/vk_state_tracker.cpp b/src/video_core/renderer_vulkan/vk_state_tracker.cpp
index 5a11d3267..f234e1a31 100644
--- a/src/video_core/renderer_vulkan/vk_state_tracker.cpp
+++ b/src/video_core/renderer_vulkan/vk_state_tracker.cpp
@@ -206,6 +206,7 @@ void StateTracker::InvalidateState() {
     flags->set();
 }
 
-StateTracker::StateTracker() : flags{}, invalidation_flags{MakeInvalidationFlags()} {}
+StateTracker::StateTracker()
+    : flags{&default_flags}, default_flags{}, invalidation_flags{MakeInvalidationFlags()} {}
 
 } // namespace Vulkan
diff --git a/src/video_core/renderer_vulkan/vk_state_tracker.h b/src/video_core/renderer_vulkan/vk_state_tracker.h
index c107d9c24..2296dea60 100644
--- a/src/video_core/renderer_vulkan/vk_state_tracker.h
+++ b/src/video_core/renderer_vulkan/vk_state_tracker.h
@@ -161,6 +161,7 @@ private:
     }
 
     Tegra::Engines::Maxwell3D::DirtyState::Flags* flags;
+    Tegra::Engines::Maxwell3D::DirtyState::Flags default_flags;
     Tegra::Engines::Maxwell3D::DirtyState::Flags invalidation_flags;
     Maxwell::PrimitiveTopology current_topology = INVALID_TOPOLOGY;
 };
-- 
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