From dc12510fcb2e631929e3951e51abd703d6aa3598 Mon Sep 17 00:00:00 2001
From: Asuro <theasuro@gmail.com>
Date: Fri, 21 Feb 2025 00:09:24 +0100
Subject: [PATCH] some fixes

---
 src/game/rendering/Rendering.cpp    | 16 +++++++++++++---
 src/game/rendering/Rendering.h      |  4 ++++
 src/game/rendering/imgui-helper.cpp |  4 ++--
 3 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/src/game/rendering/Rendering.cpp b/src/game/rendering/Rendering.cpp
index 3c3fed9..2c2a1da 100644
--- a/src/game/rendering/Rendering.cpp
+++ b/src/game/rendering/Rendering.cpp
@@ -205,8 +205,10 @@ namespace Game
         init.platformData.type = bgfx::NativeWindowHandleType::Default;
         init.resolution.width = shared.Window.WindowWidth;
         init.resolution.height = shared.Window.WindowHeight;
-        init.resolution.reset = BGFX_RESET_VSYNC;
+        init.resolution.reset = ResetFlags;
 
+        LastWidth = shared.Window.WindowWidth;
+        LastHeight = shared.Window.WindowHeight;
         Log("%i by %i", init.resolution.width, init.resolution.height);
 
         if (!bgfx::init(init))
@@ -217,7 +219,7 @@ namespace Game
         {
             Log("BGFX setup succeded!");
         }
-        bgfx::setDebug(BGFX_DEBUG_TEXT);
+        // bgfx::setDebug(BGFX_DEBUG_TEXT);
         bgfx::setViewClear(0, BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH, 0x303030ff, 1.0f, 0);
 
         DefaultSampler = bgfx::createUniform("s_texColor", bgfx::UniformType::Sampler);
@@ -263,7 +265,8 @@ namespace Game
 
         ImGui_ImplSDL3_NewFrame();
         imguiBeginFrame(0, 0, 0, 0, shared.Window.WindowWidth, shared.Window.WindowHeight);
-        ImGui::DockSpaceOverViewport();
+        // TODO: why does this break stuff??
+        // ImGui::DockSpaceOverViewport();
         ImGui::ShowDemoWindow();
 
         // Reload shaders if necessary
@@ -289,6 +292,13 @@ namespace Game
                 }
             }
         }
+        if (shared.Window.WindowWidth != LastWidth || shared.Window.WindowHeight != LastHeight)
+        {
+            bgfx::reset(shared.Window.WindowWidth, shared.Window.WindowHeight, ResetFlags);
+
+            LastWidth = shared.Window.WindowWidth;
+            LastHeight = shared.Window.WindowHeight;
+        }
 
         {
             GetInstance().GameLevel.Update();
diff --git a/src/game/rendering/Rendering.h b/src/game/rendering/Rendering.h
index 4237ad1..b064d66 100644
--- a/src/game/rendering/Rendering.h
+++ b/src/game/rendering/Rendering.h
@@ -1,4 +1,5 @@
 #pragma once
+#include "bgfx/defines.h"
 #include <bgfx/bgfx.h>
 #include <bx/string.h>
 #include <cstdint>
@@ -58,6 +59,9 @@ namespace Game
         Texture Textures[8];
         Material Materials[8];
         Model Models[8];
+        int32_t LastWidth = 0;
+        int32_t LastHeight = 0;
+        uint32_t ResetFlags = BGFX_RESET_VSYNC;
 
       public:
         void Setup();
diff --git a/src/game/rendering/imgui-helper.cpp b/src/game/rendering/imgui-helper.cpp
index ba57594..5ae0b36 100644
--- a/src/game/rendering/imgui-helper.cpp
+++ b/src/game/rendering/imgui-helper.cpp
@@ -322,8 +322,8 @@ struct OcornutImguiContext
     {
         m_viewId = _viewId;
 
-        // ImGuiIO& io = ImGui::GetIO();
-        // io.DisplaySize = ImVec2((float)_width, (float)_height);
+        ImGuiIO& io = ImGui::GetIO();
+        io.DisplaySize = ImVec2((float)_width, (float)_height);
 
         const int64_t now = bx::getHPCounter();
         const int64_t frameTime = now - m_last;