diff --git a/Source/Render/sokol/CMakeLists.txt b/Source/Render/sokol/CMakeLists.txt
index c302f944..5f3f0db4 100644
--- a/Source/Render/sokol/CMakeLists.txt
+++ b/Source/Render/sokol/CMakeLists.txt
@@ -4,7 +4,7 @@ OPTION(OPTION_PROCESS_SHADERS "Re-Process game shaders" OFF)
 #Include Sokol
 FetchContent_Declare(sokol
         GIT_REPOSITORY    https://github.com/floooh/sokol
-        GIT_TAG           "004223737d9f6d07a0aa5c63659662480285de29"
+        GIT_TAG           "7f7cd64c6d9d1d4ed08d88a3879b1d69841bf0a4"
         GIT_SHALLOW       OFF
         )
 FetchContent_MakeAvailable(sokol)
@@ -34,7 +34,7 @@ IF (OPTION_PROCESS_SHADERS)
             set(SOKOL_SHDC_BIN ${sokol-tools-bin_SOURCE_DIR}/bin/osx/sokol-shdc)
         ENDIF()
     ELSEIF(PERIMETER_WINDOWS)
-        set(SOKOL_SHDC_BIN ${sokol-tools-bin_SOURCE_DIR}/bin/win32/sokol-shdc)
+        set(SOKOL_SHDC_BIN ${sokol-tools-bin_SOURCE_DIR}/bin/win32/sokol-shdc.exe)
     ELSE()
         set(SOKOL_SHDC_BIN ${sokol-tools-bin_SOURCE_DIR}/bin/linux/sokol-shdc)
     ENDIF()
diff --git a/Source/Render/sokol/SokolD3D.h b/Source/Render/sokol/SokolD3D.h
index a6dbed41..7137a096 100644
--- a/Source/Render/sokol/SokolD3D.h
+++ b/Source/Render/sokol/SokolD3D.h
@@ -10,9 +10,11 @@ struct sokol_d3d_context {
     ID3D11Device* device = nullptr;
     ID3D11DeviceContext* device_context = nullptr;
     IDXGISwapChain* swap_chain = nullptr;
-    ID3D11Texture2D* render_target = nullptr;
+    ID3D11Texture2D* render_target_texture = nullptr;
     ID3D11RenderTargetView* render_target_view = nullptr;
-    ID3D11Texture2D* depth_stencil_buffer = nullptr;
+    ID3D11Texture2D* msaa_texture = nullptr;
+    ID3D11RenderTargetView* msaa_view = nullptr;
+    ID3D11Texture2D* depth_stencil_texture = nullptr;
     ID3D11DepthStencilView* depth_stencil_view = nullptr;
 };
 
diff --git a/Source/Render/sokol/SokolImpl.mm b/Source/Render/sokol/SokolImpl.mm
index 6fe989fd..321531a6 100644
--- a/Source/Render/sokol/SokolImpl.mm
+++ b/Source/Render/sokol/SokolImpl.mm
@@ -5,34 +5,83 @@
 
 //ObjC Sokol - SDL2 glue code for Metal
 #ifdef SOKOL_METAL
-#import <QuartzCore/CAMetalLayer.h>
-#import <SDL_metal.h>
+#import <Metal/Metal.h>
+#import <MetalKit/MetalKit.h>
+#import <SDL_syswm.h>
 
-static CAMetalLayer* sokol_metal_layer;
-static id<CAMetalDrawable> sokol_metal_drawable;
-static MTLRenderPassDescriptor* sokol_metal_render_pass_descriptor;
+//TODO This should be stored in a metal_context struct like in d3d11 impl
+static id<MTLDevice> mtl_device;
+static MTKView* mtk_view;
+#if TARGET_OS_IPHONE
+static id mtk_view_controller;
+#endif
 
-const void* sokol_metal_drawable_cb() {
-    return (__bridge const void*) sokol_metal_drawable;
+void sokol_metal_setup(SDL_Window* sdl_window, sg_desc* desc, sg_swapchain* swapchain, uint32_t ScreenHZ) {
+    //Get window from SDL which we will use to associate Metal stuff
+    SDL_SysWMinfo wm_info;
+    SDL_VERSION(&wm_info.version);
+    SDL_GetWindowWMInfo(sdl_window, &wm_info);
+#if TARGET_OS_IPHONE
+    UIWindow* window = wm_info.info.uikit.window
+#else
+    NSWindow* window = wm_info.info.cocoa.window;
+#endif
+
+    // MTKView and Metal device
+    mtl_device = MTLCreateSystemDefaultDevice();
+    mtk_view = [[MTKView alloc] init];
+    mtk_view.paused = true;
+    mtk_view.enableSetNeedsDisplay = false;
+    [mtk_view setPreferredFramesPerSecond:ScreenHZ];
+    [mtk_view setDevice: mtl_device];
+    [mtk_view setColorPixelFormat:MTLPixelFormatBGRA8Unorm];
+    [mtk_view setDepthStencilPixelFormat:MTLPixelFormatDepth32Float_Stencil8];
+    [mtk_view setSampleCount:(NSUInteger) swapchain->sample_count];
+#if TARGET_OS_IPHONE
+    [mtk_view setContentScaleFactor:1.0f];
+    [mtk_view setUserInteractionEnabled:YES];
+    [mtk_view setMultipleTouchEnabled:YES];
+    [window addSubview:mtk_view];
+    mtk_view_controller = [[UIViewController<MTKViewDelegate> alloc] init];
+    [mtk_view_controller setView:mtk_view];
+    [window setRootViewController:mtk_view_controller];
+    [window makeKeyAndVisible];
+#else
+    [window setContentView:mtk_view];
+    CGSize drawable_size = { (CGFloat) swapchain->width, (CGFloat) swapchain->height };
+    [mtk_view setDrawableSize:drawable_size];
+    [[mtk_view layer] setMagnificationFilter:kCAFilterNearest];
+    NSApp.activationPolicy = NSApplicationActivationPolicyRegular;
+    [NSApp activateIgnoringOtherApps:YES];
+    [window makeKeyAndOrderFront:nil];
+#endif
+    
+    //Setup Metal specific context
+    desc->environment.metal.device = (__bridge const void*) mtl_device;
 }
 
-const void* sokol_metal_renderpass_descriptor_cb() {
-    sokol_metal_drawable = [sokol_metal_layer nextDrawable];
+void sokol_metal_render(sg_swapchain* swapchain, void (*callback)()) {
+    @autoreleasepool {
+        swapchain->metal.current_drawable = (__bridge const void*) [mtk_view currentDrawable];
+        swapchain->metal.depth_stencil_texture = (__bridge const void*) [mtk_view depthStencilTexture];
+        swapchain->metal.msaa_color_texture = (__bridge const void*) [mtk_view multisampleColorTexture];
+        callback();
+    }
+}
 
-    sokol_metal_render_pass_descriptor = [[MTLRenderPassDescriptor alloc] init];
-    sokol_metal_render_pass_descriptor.colorAttachments[0].texture = sokol_metal_drawable.texture;
-    return (__bridge const void*) sokol_metal_render_pass_descriptor;
+void sokol_metal_draw() {
+    [mtk_view draw];
 }
 
-void sokol_metal_setup_desc(SDL_MetalView view, sg_desc* desc) {
-    //Get Metal layer from SDL and add Metal device
-    sokol_metal_layer = (__bridge CAMetalLayer*) SDL_Metal_GetLayer(view);
-    sokol_metal_layer.device = MTLCreateSystemDefaultDevice();
-    
-    //Setup Metal specific context
-    sg_metal_context_desc& metalctx = desc->context.metal;
-    metalctx.device = sokol_metal_layer.device;
-    metalctx.renderpass_descriptor_cb = sokol_metal_renderpass_descriptor_cb;
-    metalctx.drawable_cb = sokol_metal_drawable_cb;
+void sokol_metal_destroy(sg_swapchain* swapchain) {
+    swapchain->metal.msaa_color_texture = nullptr;
+    swapchain->metal.depth_stencil_texture = nullptr;
+    swapchain->metal.current_drawable = nullptr;
+#if TARGET_OS_IPHONE
+    mtk_view_controller = nullptr;
+#endif
+    mtk_view = nullptr;
+    mtl_device = nullptr;
 }
+
 #endif
\ No newline at end of file
diff --git a/Source/Render/sokol/SokolRender.cpp b/Source/Render/sokol/SokolRender.cpp
index a58d5441..0e0e7dd7 100644
--- a/Source/Render/sokol/SokolRender.cpp
+++ b/Source/Render/sokol/SokolRender.cpp
@@ -21,18 +21,11 @@
 #define RENDERUTILS_HWND_FROM_SDL_WINDOW
 #include "RenderUtils.h"
 #include "SokolD3D.h"
+#endif
 
-//Callbacks for Sokol with D3D 
-
-const void* sokol_d3d_render_target_view_cb() {
-    cSokolRender* renderer = reinterpret_cast<cSokolRender*>(gb_RenderDevice);
-    return (const void*) renderer->d3d_context->render_target_view;
-}
-
-const void* sokol_d3d_depth_stencil_view_cb() {
-    cSokolRender* renderer = reinterpret_cast<cSokolRender*>(gb_RenderDevice);
-    return (const void*) renderer->d3d_context->depth_stencil_view;
-}
+#ifdef SOKOL_METAL
+void sokol_metal_setup(SDL_Window* sdl_window, sg_desc* desc, sg_swapchain* swapchain, uint32_t ScreenHZ);
+void sokol_metal_destroy(sg_swapchain* swapchain);
 #endif
 
 cSokolRender::cSokolRender() = default;
@@ -83,10 +76,22 @@ int cSokolRender::Init(int xScr, int yScr, int mode, SDL_Window* wnd, int Refres
     desc.shader_pool_size = 8,
     desc.buffer_pool_size = 1024 * 8;
     desc.image_pool_size = 1024 * 4; //1024 is enough for PGW+PET game
-    desc.context.color_format = SG_PIXELFORMAT_RGBA8;
-    desc.context.depth_format = SG_PIXELFORMAT_DEPTH_STENCIL;
-    desc.context.sample_count = sample_count;
     desc.logger.func = slog_func;
+    
+    //Setup swapchain pass
+    swapchain_pass = {};
+    swapchain_pass.action.colors[0].load_action = SG_LOADACTION_CLEAR;
+    swapchain_pass.action.colors[0].store_action = SG_STOREACTION_STORE;
+    swapchain_pass.action.colors[0].clear_value = sg_color { 0.0f, 0.0f, 0.0f, 1.0f };
+    swapchain_pass.action.depth.load_action = SG_LOADACTION_CLEAR;
+    swapchain_pass.action.depth.store_action = SG_STOREACTION_DONTCARE;
+    swapchain_pass.action.depth.clear_value = 1.0f;
+    swapchain_pass.action.stencil.load_action = SG_LOADACTION_CLEAR;
+    swapchain_pass.action.stencil.store_action = SG_STOREACTION_DONTCARE;
+    swapchain_pass.action.stencil.clear_value = 0;
+    swapchain_pass.swapchain.width = ScreenSize.x;
+    swapchain_pass.swapchain.height = ScreenSize.y;
+    swapchain_pass.swapchain.sample_count = 1;
 
     //OpenGL / OpenGLES
 #ifdef SOKOL_GL
@@ -129,6 +134,8 @@ int cSokolRender::Init(int xScr, int yScr, int mode, SDL_Window* wnd, int Refres
         ErrH.Abort("Error creating SDL GL Context", XERR_CRITICAL, 0, SDL_GetError());
     }
     printf("GPU vendor: %s, renderer: %s\n", glGetString(GL_VENDOR), glGetString(GL_RENDER));
+    
+    swapchain_pass.swapchain.gl.framebuffer = 0;
 #endif //SOKOL_GL
 
     //Direct3D
@@ -211,6 +218,7 @@ int cSokolRender::Init(int xScr, int yScr, int mode, SDL_Window* wnd, int Refres
     dxgiAdapter->Release();
 
     //Create swap chain
+    uint32_t sample_count = swapchain_pass.swapchain.sample_count;
     DXGI_SWAP_CHAIN_DESC* swap_chain_desc = &d3d_context->swap_chain_desc;
     memset(&d3d_context->swap_chain_desc, 0, sizeof(DXGI_SWAP_CHAIN_DESC));
     swap_chain_desc->BufferDesc.Width = static_cast<uint32_t>(xScr);
@@ -238,25 +246,16 @@ int cSokolRender::Init(int xScr, int yScr, int mode, SDL_Window* wnd, int Refres
     d3d_CreateDefaultRenderTarget();
 
     //Setup d3d context
-    desc.context.d3d11.device = d3d_context->device;
-    desc.context.d3d11.device_context = d3d_context->device_context;
-    desc.context.d3d11.render_target_view_cb = sokol_d3d_render_target_view_cb;
-    desc.context.d3d11.depth_stencil_view_cb = sokol_d3d_depth_stencil_view_cb;
-
+    desc.environment.d3d11.device = d3d_context->device;
+    desc.environment.d3d11.device_context = d3d_context->device_context;
 #endif
     
 #ifdef SOKOL_METAL
     sokol_backend = "Metal";
     SDL_SetHintWithPriority(SDL_HINT_RENDER_DRIVER, "metal", SDL_HINT_OVERRIDE);
 
-    // Obtain Metal device by creating a SDL Metal View, also useful to retain the Metal device
-    sdl_metal_view = SDL_Metal_CreateView(sdl_window);
-    if (sdl_metal_view == nullptr) {
-        ErrH.Abort("Error creating SDL Metal View", XERR_CRITICAL, 0, SDL_GetError());
-    }
-    
     //Setup metal sokol context
-    sokol_metal_setup_desc(sdl_metal_view, &desc);
+    sokol_metal_setup(sdl_window, &desc, &swapchain_pass.swapchain, ScreenHZ);
 #endif
 
     const char* render_driver = SDL_GetHint(SDL_HINT_RENDER_DRIVER);
@@ -321,6 +320,10 @@ bool cSokolRender::ChangeSize(int xScr, int yScr, int mode) {
     ScreenSize.y = yScr;
     RenderMode &= ~mode_mask;
     RenderMode |= mode;
+    
+    //Update swapchain
+    swapchain_pass.swapchain.width = ScreenSize.x;
+    swapchain_pass.swapchain.height = ScreenSize.y;
 
 #ifdef SOKOL_D3D11
     if (d3d_context->swap_chain && need_resize) {
@@ -374,10 +377,9 @@ int cSokolRender::Done() {
     }
 #endif
 #ifdef SOKOL_METAL
-    if (sdl_metal_view != nullptr) {
+    if (swapchain_pass.swapchain.metal.current_drawable != nullptr) {
         RenderSubmitEvent(RenderEvent::DONE, "Sokol Metal shutdown");
-        SDL_Metal_DestroyView(sdl_metal_view);
-        sdl_metal_view = nullptr;
+        sokol_metal_destroy(&swapchain_pass.swapchain);
     }
 #endif
 #ifdef SOKOL_GL
@@ -483,11 +485,11 @@ void cSokolRender::d3d_CreateDefaultRenderTarget() {
     hr = d3d_context->swap_chain->GetBuffer(
             0,
             __uuidof(ID3D11Texture2D),
-            reinterpret_cast<void**>(&d3d_context->render_target)
+            reinterpret_cast<void**>(&d3d_context->render_target_texture)
     );
-    assert(SUCCEEDED(hr) && d3d_context->render_target);
+    assert(SUCCEEDED(hr) && d3d_context->render_target_texture);
     hr = d3d_context->device->CreateRenderTargetView(
-            d3d_context->render_target,
+            d3d_context->render_target_texture,
             nullptr,
             &d3d_context->render_target_view
     );
@@ -498,25 +500,44 @@ void cSokolRender::d3d_CreateDefaultRenderTarget() {
     ds_desc.Height = static_cast<uint32_t>(ScreenSize.y);
     ds_desc.MipLevels = 1;
     ds_desc.ArraySize = 1;
-    ds_desc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
+    ds_desc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
     ds_desc.SampleDesc = d3d_context->swap_chain_desc.SampleDesc;
     ds_desc.Usage = D3D11_USAGE_DEFAULT;
-    ds_desc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
-    hr = d3d_context->device->CreateTexture2D(&ds_desc, nullptr, &d3d_context->depth_stencil_buffer);
-    assert(SUCCEEDED(hr) && d3d_context->depth_stencil_buffer);
+    ds_desc.BindFlags = D3D11_BIND_RENDER_TARGET;
+    
+    // MSAA render target and view
+    uint32_t sample_count = ds_desc.SampleDesc.Count;
+    if (1 < sample_count) {
+        hr = d3d_context->device->CreateTexture2D(&ds_desc, nullptr, &d3d_context->msaa_texture);
+        assert(SUCCEEDED(hr) && d3d_context->msaa_texture);
+        hr = d3d_context->device->CreateRenderTargetView(d3d_context->msaa_texture, nullptr, &d3d_context->msaa_view);
+        assert(SUCCEEDED(hr) && d3d_context->msaa_view);
+    }
 
-    D3D11_DEPTH_STENCIL_VIEW_DESC dsv_desc = {};
-    dsv_desc.Format = ds_desc.Format;
-    dsv_desc.ViewDimension = sample_count > 1 ? D3D11_DSV_DIMENSION_TEXTURE2DMS : D3D11_DSV_DIMENSION_TEXTURE2D;
-    hr = d3d_context->device->CreateDepthStencilView(d3d_context->depth_stencil_buffer, &dsv_desc, &d3d_context->depth_stencil_view);
+    // Depth-stencil render target and view
+    ds_desc.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
+    ds_desc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
+    hr = d3d_context->device->CreateTexture2D(&ds_desc, nullptr, &d3d_context->depth_stencil_texture);
+    assert(SUCCEEDED(hr) && d3d_context->depth_stencil_texture);
+    hr = d3d_context->device->CreateDepthStencilView(d3d_context->depth_stencil_texture, nullptr, &d3d_context->depth_stencil_view);
     assert(SUCCEEDED(hr) && d3d_context->depth_stencil_view);
+    
+    //Apply into swapchain pass
+    swapchain_pass.swapchain.d3d11.render_view = 1 < sample_count ? d3d_context->msaa_view : d3d_context->render_target_view;
+    swapchain_pass.swapchain.d3d11.resolve_view = 1 < sample_count ? d3d_context->render_target_view : nullptr;
+    swapchain_pass.swapchain.d3d11.depth_stencil_view = d3d_context->depth_stencil_view;
 }
 
 void cSokolRender::d3d_DestroyDefaultRenderTarget() {
-    RELEASE(d3d_context->render_target);
+    swapchain_pass.swapchain.d3d11.render_view = nullptr;
+    swapchain_pass.swapchain.d3d11.resolve_view = nullptr;
+    swapchain_pass.swapchain.d3d11.depth_stencil_view = nullptr;
+    RELEASE(d3d_context->render_target_texture);
     RELEASE(d3d_context->render_target_view);
-    RELEASE(d3d_context->depth_stencil_buffer);
+    RELEASE(d3d_context->depth_stencil_texture);
     RELEASE(d3d_context->depth_stencil_view);
+    RELEASE(d3d_context->msaa_texture);
+    RELEASE(d3d_context->msaa_view);
 }
 #endif
 
diff --git a/Source/Render/sokol/SokolRender.h b/Source/Render/sokol/SokolRender.h
index e48c4492..f2975dcc 100644
--- a/Source/Render/sokol/SokolRender.h
+++ b/Source/Render/sokol/SokolRender.h
@@ -8,18 +8,10 @@
 #include <sokol_gfx.h>
 #include <SDL_video.h>
 
-#ifdef SOKOL_METAL
-#include <SDL_metal.h>
-#endif
-
 #include "SokolTypes.h"
 
 const int PERIMETER_SOKOL_TEXTURES = 8;
 
-#ifdef SOKOL_METAL
-void sokol_metal_setup_desc(SDL_MetalView view, sg_desc* desc);
-#endif
-
 struct SokolCommand {
     SokolCommand();
     ~SokolCommand();
@@ -54,7 +46,7 @@ class cSokolRender: public cInterfaceRenderDevice {
     SDL_GLContext sdl_gl_context = nullptr;
 #endif
 #ifdef SOKOL_METAL
-    SDL_MetalView sdl_metal_view = nullptr;
+    friend void sokol_metal_render_callback();
 #endif
     //D3D backend stuff
 #ifdef SOKOL_D3D11
@@ -67,13 +59,12 @@ class cSokolRender: public cInterfaceRenderDevice {
     friend const void* sokol_d3d_depth_stencil_view_cb();
 #endif
     
-    //Samples to use
-    uint32_t sample_count = 1;
+    //For swapchain pass that renders into final device
+    sg_pass swapchain_pass;
     
     //Renderer state
     bool ActiveScene = false;
     bool isOrthographicProjSet = false;
-    sg_color fill_color;
     std::vector<SokolCommand*> commands;
     sg_sampler sampler;
     
@@ -124,6 +115,9 @@ class cSokolRender: public cInterfaceRenderDevice {
 
     //Updates internal state after init/resolution change
     int UpdateRenderMode();
+    
+    //Does actual drawing using sokol API
+    void DoSokolRendering();
 
     //Set common VS/FS parameters
     template<typename T_VS, typename T_FS>
diff --git a/Source/Render/sokol/SokolRenderState.cpp b/Source/Render/sokol/SokolRenderState.cpp
index a18de36d..cac17073 100644
--- a/Source/Render/sokol/SokolRenderState.cpp
+++ b/Source/Render/sokol/SokolRenderState.cpp
@@ -24,6 +24,17 @@
 #include "SokolD3D.h"
 #endif
 
+#ifdef SOKOL_METAL
+void sokol_metal_render(sg_swapchain* swapchain, void (*callback)());
+void sokol_metal_draw();
+
+//According to sokol metal example the sokol render calls must be wrapped by @autoreleasepool
+void sokol_metal_render_callback() {
+    cSokolRender* sokolRender = reinterpret_cast<cSokolRender*>(gb_RenderDevice);
+    sokolRender->DoSokolRendering();
+}
+#endif
+
 int cSokolRender::BeginScene() {
     RenderSubmitEvent(RenderEvent::BEGIN_SCENE, ActiveScene ? "ActiveScene" : "");
     MTG();
@@ -48,21 +59,23 @@ int cSokolRender::EndScene() {
 
     //Make sure there is nothing left to send as command
     FinishActiveDrawBuffer();
-    
+
     ActiveScene = false;
 
-    //Begin pass
-    sg_pass_action pass_action = {};
-    pass_action.colors[0].load_action = SG_LOADACTION_CLEAR;
-    pass_action.colors[0].store_action = SG_STOREACTION_STORE;
-    pass_action.colors[0].clear_value = fill_color;
-    pass_action.depth.load_action = SG_LOADACTION_CLEAR;
-    pass_action.depth.store_action = SG_STOREACTION_DONTCARE;
-    pass_action.depth.clear_value = 1.0f;
-    pass_action.stencil.load_action = SG_LOADACTION_CLEAR;
-    pass_action.stencil.store_action = SG_STOREACTION_DONTCARE;
-    pass_action.stencil.clear_value = 0;
-    sg_begin_default_pass(&pass_action, ScreenSize.x, ScreenSize.y);
+#ifdef SOKOL_METAL
+    sokol_metal_render(&swapchain_pass.swapchain, &sokol_metal_render_callback);
+#else
+    DrawSokol();
+#endif
+
+    return cInterfaceRenderDevice::EndScene();
+}
+
+void cSokolRender::DoSokolRendering() {
+    //This function might be called from a callback!
+    
+    //Begin main swapchain pass
+    sg_begin_pass(&swapchain_pass);
 
     //Iterate each command
     for (auto& command : commands) {
@@ -212,31 +225,8 @@ int cSokolRender::EndScene() {
     //End pass
     sg_end_pass();
 
-    return cInterfaceRenderDevice::EndScene();
-}
-
-int cSokolRender::Fill(int r, int g, int b, int a) {
-    RenderSubmitEvent(RenderEvent::FILL);
-    if (ActiveScene) {
-        xassert(0);
-        EndScene();
-    }
-
-    ResetViewport();
-
-#ifdef PERIMETER_DEBUG
-    if (r == 0 && g == 0 && b == 0) {
-        r = 64;
-        g = b = 32;
-    }
-#endif
-
-    fill_color.r = static_cast<float>(r) / 255.f;
-    fill_color.g = static_cast<float>(g) / 255.f;
-    fill_color.b = static_cast<float>(b) / 255.f;
-    fill_color.a = static_cast<float>(a) / 255.f;
-
-    return 0;
+    //Commit it
+    sg_commit();
 }
 
 int cSokolRender::Flush(bool wnd) {
@@ -251,8 +241,6 @@ int cSokolRender::Flush(bool wnd) {
         EndScene();
     }
 
-    sg_commit();
-
     //Swap the window
 #ifdef SOKOL_GL
     SDL_GL_SwapWindow(sdl_window);
@@ -260,6 +248,9 @@ int cSokolRender::Flush(bool wnd) {
 #ifdef SOKOL_D3D11
     d3d_context->swap_chain->Present(1, 0);
 #endif
+#ifdef SOKOL_METAL
+    sokol_metal_draw();
+#endif
 
     ClearCommands();
 
@@ -272,6 +263,32 @@ int cSokolRender::Flush(bool wnd) {
     return 0;
 }
 
+int cSokolRender::Fill(int r, int g, int b, int a) {
+    RenderSubmitEvent(RenderEvent::FILL);
+    if (ActiveScene) {
+        xassert(0);
+        EndScene();
+    }
+
+    ResetViewport();
+
+#ifdef PERIMETER_DEBUG
+    if (r == 0 && g == 0 && b == 0) {
+        r = 64;
+        g = b = 32;
+    }
+#endif
+
+    sg_color fill_color;
+    fill_color.r = static_cast<float>(r) / 255.f;
+    fill_color.g = static_cast<float>(g) / 255.f;
+    fill_color.b = static_cast<float>(b) / 255.f;
+    fill_color.a = static_cast<float>(a) / 255.f;
+    swapchain_pass.action.colors[0].clear_value = fill_color;
+
+    return 0;
+}
+
 void CreateSokolBuffer(SokolBuffer*& buffer_ptr, MemoryResource* resource, size_t len, bool dynamic, sg_buffer_type type) {
     MT_IS_GRAPH();
     xassert(!resource->locked);
diff --git a/Source/Render/sokol/shaders/normal.h b/Source/Render/sokol/shaders/normal.h
index 0e565563..e515b500 100644
--- a/Source/Render/sokol/shaders/normal.h
+++ b/Source/Render/sokol/shaders/normal.h
@@ -225,7 +225,7 @@ static const char normal_vs_source_glsl330[839] = {
         int material;
     };
     
-    uniform normal_texture_fs_params _127;
+    uniform normal_texture_fs_params _129;
     
     uniform sampler2D un_tex0_un_sampler0;
     
@@ -236,52 +236,52 @@ static const char normal_vs_source_glsl330[839] = {
     
     vec4 phong(vec3 pos, vec3 nrm, vec3 l, vec3 eye, vec3 l_ambient, vec3 l_diffuse, vec3 l_specular, vec3 ambient, vec3 diffuse, vec3 specular, float spec_power)
     {
-        vec3 _47 = normalize(nrm);
-        float _58 = max(dot(_47, l), 0.0);
-        return vec4((l_ambient * ambient + ((l_diffuse * diffuse) * _58)) + ((l_specular * specular) * (pow(max(dot(reflect(-l, _47), normalize(eye - pos)), 0.0), spec_power) * _58)), 1.0);
+        vec3 _48 = normalize(nrm);
+        float _59 = max(dot(_48, l), 0.0);
+        return vec4((l_ambient * ambient + ((l_diffuse * diffuse) * _59)) + ((l_specular * specular) * (pow(abs(max(dot(reflect(-l, _48), normalize(eye - pos)), 0.0)), spec_power) * _59)), 1.0);
     }
     
     vec4 gamma(vec4 c)
     {
-        return vec4(pow(c.xyz, vec3(0.4545454680919647216796875)), c.w);
+        return vec4(pow(abs(c.xyz), vec3(0.4545454680919647216796875)), c.w);
     }
     
     void main()
     {
         frag_color = texture(un_tex0_un_sampler0, fs_uv0);
-        if (_127.material > 0)
+        if (_129.material > 0)
         {
             vec3 param = fs_position;
             vec3 param_1 = fs_normal;
-            vec3 param_2 = -_127.light_dir;
+            vec3 param_2 = -_129.light_dir;
             vec3 param_3 = vec3(0.0);
-            vec3 param_4 = _127.light_ambient;
-            vec3 param_5 = _127.light_diffuse;
-            vec3 param_6 = _127.light_specular;
-            vec3 param_7 = _127.ambient.xyz;
-            vec3 param_8 = _127.diffuse.xyz;
-            vec3 param_9 = _127.specular.xyz;
-            float param_10 = _127.spec_power;
+            vec3 param_4 = _129.light_ambient;
+            vec3 param_5 = _129.light_diffuse;
+            vec3 param_6 = _129.light_specular;
+            vec3 param_7 = _129.ambient.xyz;
+            vec3 param_8 = _129.diffuse.xyz;
+            vec3 param_9 = _129.specular.xyz;
+            float param_10 = _129.spec_power;
             vec4 param_11 = phong(param, param_1, param_2, param_3, param_4, param_5, param_6, param_7, param_8, param_9, param_10);
             frag_color *= gamma(param_11);
-            frag_color.w *= _127.diffuse.w;
+            frag_color.w *= _129.diffuse.w;
         }
         else
         {
-            vec4 _197 = frag_color;
-            vec3 _202 = _197.xyz * _127.ambient.xyz;
-            frag_color.x = _202.x;
-            frag_color.y = _202.y;
-            frag_color.z = _202.z;
+            vec4 _199 = frag_color;
+            vec3 _204 = _199.xyz * _129.ambient.xyz;
+            frag_color.x = _204.x;
+            frag_color.y = _204.y;
+            frag_color.z = _204.z;
         }
-        if (_127.un_alpha_test >= frag_color.w)
+        if (_129.un_alpha_test >= frag_color.w)
         {
             discard;
         }
     }
     
 */
-static const char normal_fs_source_glsl330[2002] = {
+static const char normal_fs_source_glsl330[2012] = {
     0x23,0x76,0x65,0x72,0x73,0x69,0x6f,0x6e,0x20,0x33,0x33,0x30,0x0a,0x0a,0x73,0x74,
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@@ -302,7 +302,7 @@ static const char normal_fs_source_glsl330[2002] = {
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@@ -321,93 +321,93 @@ static const char normal_fs_source_glsl330[2002] = {
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 };
 #endif /* SOKOL_GLCORE33 */
 #if defined(SOKOL_GLES3)
@@ -507,7 +507,7 @@ static const char normal_vs_source_glsl300es[842] = {
         int material;
     };
     
-    uniform normal_texture_fs_params _127;
+    uniform normal_texture_fs_params _129;
     
     uniform highp sampler2D un_tex0_un_sampler0;
     
@@ -518,52 +518,52 @@ static const char normal_vs_source_glsl300es[842] = {
     
     highp vec4 phong(highp vec3 pos, highp vec3 nrm, highp vec3 l, highp vec3 eye, highp vec3 l_ambient, highp vec3 l_diffuse, highp vec3 l_specular, highp vec3 ambient, highp vec3 diffuse, highp vec3 specular, highp float spec_power)
     {
-        highp vec3 _47 = normalize(nrm);
-        highp float _58 = max(dot(_47, l), 0.0);
-        return vec4((l_ambient * ambient + ((l_diffuse * diffuse) * _58)) + ((l_specular * specular) * (pow(max(dot(reflect(-l, _47), normalize(eye - pos)), 0.0), spec_power) * _58)), 1.0);
+        highp vec3 _48 = normalize(nrm);
+        highp float _59 = max(dot(_48, l), 0.0);
+        return vec4((l_ambient * ambient + ((l_diffuse * diffuse) * _59)) + ((l_specular * specular) * (pow(abs(max(dot(reflect(-l, _48), normalize(eye - pos)), 0.0)), spec_power) * _59)), 1.0);
     }
     
     highp vec4 gamma(highp vec4 c)
     {
-        return vec4(pow(c.xyz, vec3(0.4545454680919647216796875)), c.w);
+        return vec4(pow(abs(c.xyz), vec3(0.4545454680919647216796875)), c.w);
     }
     
     void main()
     {
         frag_color = texture(un_tex0_un_sampler0, fs_uv0);
-        if (_127.material > 0)
+        if (_129.material > 0)
         {
             highp vec3 param = fs_position;
             highp vec3 param_1 = fs_normal;
-            highp vec3 param_2 = -_127.light_dir;
+            highp vec3 param_2 = -_129.light_dir;
             highp vec3 param_3 = vec3(0.0);
-            highp vec3 param_4 = _127.light_ambient;
-            highp vec3 param_5 = _127.light_diffuse;
-            highp vec3 param_6 = _127.light_specular;
-            highp vec3 param_7 = _127.ambient.xyz;
-            highp vec3 param_8 = _127.diffuse.xyz;
-            highp vec3 param_9 = _127.specular.xyz;
-            highp float param_10 = _127.spec_power;
+            highp vec3 param_4 = _129.light_ambient;
+            highp vec3 param_5 = _129.light_diffuse;
+            highp vec3 param_6 = _129.light_specular;
+            highp vec3 param_7 = _129.ambient.xyz;
+            highp vec3 param_8 = _129.diffuse.xyz;
+            highp vec3 param_9 = _129.specular.xyz;
+            highp float param_10 = _129.spec_power;
             highp vec4 param_11 = phong(param, param_1, param_2, param_3, param_4, param_5, param_6, param_7, param_8, param_9, param_10);
             frag_color *= gamma(param_11);
-            frag_color.w *= _127.diffuse.w;
+            frag_color.w *= _129.diffuse.w;
         }
         else
         {
-            highp vec4 _197 = frag_color;
-            highp vec3 _202 = _197.xyz * _127.ambient.xyz;
-            frag_color.x = _202.x;
-            frag_color.y = _202.y;
-            frag_color.z = _202.z;
+            highp vec4 _199 = frag_color;
+            highp vec3 _204 = _199.xyz * _129.ambient.xyz;
+            frag_color.x = _204.x;
+            frag_color.y = _204.y;
+            frag_color.z = _204.z;
         }
-        if (_127.un_alpha_test >= frag_color.w)
+        if (_129.un_alpha_test >= frag_color.w)
         {
             discard;
         }
     }
     
 */
-static const char normal_fs_source_glsl300es[2321] = {
+static const char normal_fs_source_glsl300es[2331] = {
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@@ -590,7 +590,7 @@ static const char normal_fs_source_glsl300es[2321] = {
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@@ -617,99 +617,99 @@ static const char normal_fs_source_glsl300es[2321] = {
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 };
 #endif /* SOKOL_GLES3 */
 #if defined(SOKOL_D3D11)
@@ -861,17 +861,17 @@ static const char normal_vs_source_hlsl5[1410] = {
 /*
     cbuffer normal_texture_fs_params : register(b0)
     {
-        float4 _127_diffuse : packoffset(c0);
-        float4 _127_ambient : packoffset(c1);
-        float4 _127_specular : packoffset(c2);
-        float4 _127_emissive : packoffset(c3);
-        float3 _127_light_dir : packoffset(c4);
-        float3 _127_light_diffuse : packoffset(c5);
-        float3 _127_light_ambient : packoffset(c6);
-        float3 _127_light_specular : packoffset(c7);
-        float _127_spec_power : packoffset(c7.w);
-        float _127_un_alpha_test : packoffset(c8);
-        int _127_material : packoffset(c8.y);
+        float4 _129_diffuse : packoffset(c0);
+        float4 _129_ambient : packoffset(c1);
+        float4 _129_specular : packoffset(c2);
+        float4 _129_emissive : packoffset(c3);
+        float3 _129_light_dir : packoffset(c4);
+        float3 _129_light_diffuse : packoffset(c5);
+        float3 _129_light_ambient : packoffset(c6);
+        float3 _129_light_specular : packoffset(c7);
+        float _129_spec_power : packoffset(c7.w);
+        float _129_un_alpha_test : packoffset(c8);
+        int _129_material : packoffset(c8.y);
     };
     
     Texture2D<float4> un_tex0 : register(t0);
@@ -896,45 +896,45 @@ static const char normal_vs_source_hlsl5[1410] = {
     
     float4 phong(float3 pos, float3 nrm, float3 l, float3 eye, float3 l_ambient, float3 l_diffuse, float3 l_specular, float3 ambient, float3 diffuse, float3 specular, float spec_power)
     {
-        float3 _47 = normalize(nrm);
-        float _58 = max(dot(_47, l), 0.0f);
-        return float4(mad(l_ambient, ambient, (l_diffuse * diffuse) * _58) + ((l_specular * specular) * (pow(max(dot(reflect(-l, _47), normalize(eye - pos)), 0.0f), spec_power) * _58)), 1.0f);
+        float3 _48 = normalize(nrm);
+        float _59 = max(dot(_48, l), 0.0f);
+        return float4(mad(l_ambient, ambient, (l_diffuse * diffuse) * _59) + ((l_specular * specular) * (pow(abs(max(dot(reflect(-l, _48), normalize(eye - pos)), 0.0f)), spec_power) * _59)), 1.0f);
     }
     
     float4 gamma(float4 c)
     {
-        return float4(pow(c.xyz, 0.4545454680919647216796875f.xxx), c.w);
+        return float4(pow(abs(c.xyz), 0.4545454680919647216796875f.xxx), c.w);
     }
     
     void frag_main()
     {
         frag_color = un_tex0.Sample(un_sampler0, fs_uv0);
-        if (_127_material > 0)
+        if (_129_material > 0)
         {
             float3 param = fs_position;
             float3 param_1 = fs_normal;
-            float3 param_2 = -_127_light_dir;
+            float3 param_2 = -_129_light_dir;
             float3 param_3 = 0.0f.xxx;
-            float3 param_4 = _127_light_ambient;
-            float3 param_5 = _127_light_diffuse;
-            float3 param_6 = _127_light_specular;
-            float3 param_7 = _127_ambient.xyz;
-            float3 param_8 = _127_diffuse.xyz;
-            float3 param_9 = _127_specular.xyz;
-            float param_10 = _127_spec_power;
+            float3 param_4 = _129_light_ambient;
+            float3 param_5 = _129_light_diffuse;
+            float3 param_6 = _129_light_specular;
+            float3 param_7 = _129_ambient.xyz;
+            float3 param_8 = _129_diffuse.xyz;
+            float3 param_9 = _129_specular.xyz;
+            float param_10 = _129_spec_power;
             float4 param_11 = phong(param, param_1, param_2, param_3, param_4, param_5, param_6, param_7, param_8, param_9, param_10);
             frag_color *= gamma(param_11);
-            frag_color.w *= _127_diffuse.w;
+            frag_color.w *= _129_diffuse.w;
         }
         else
         {
-            float4 _197 = frag_color;
-            float3 _202 = _197.xyz * _127_ambient.xyz;
-            frag_color.x = _202.x;
-            frag_color.y = _202.y;
-            frag_color.z = _202.z;
+            float4 _199 = frag_color;
+            float3 _204 = _199.xyz * _129_ambient.xyz;
+            frag_color.x = _204.x;
+            frag_color.y = _204.y;
+            frag_color.z = _204.z;
         }
-        if (_127_un_alpha_test >= frag_color.w)
+        if (_129_un_alpha_test >= frag_color.w)
         {
             discard;
         }
@@ -951,40 +951,40 @@ static const char normal_vs_source_hlsl5[1410] = {
         return stage_output;
     }
 */
-static const char normal_fs_source_hlsl5[2829] = {
+static const char normal_fs_source_hlsl5[2839] = {
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 };
 #endif /* SOKOL_D3D11 */
 #if defined(SOKOL_METAL)
@@ -1268,47 +1269,47 @@ static const char normal_vs_source_metal_macos[910] = {
     static inline __attribute__((always_inline))
     float4 phong(thread const float3& pos, thread const float3& nrm, thread const float3& l, thread const float3& eye, thread const float3& l_ambient, thread const float3& l_diffuse, thread const float3& l_specular, thread const float3& ambient, thread const float3& diffuse, thread const float3& specular, thread const float& spec_power)
     {
-        float3 _47 = fast::normalize(nrm);
-        float _58 = fast::max(dot(_47, l), 0.0);
-        return float4(fma(l_ambient, ambient, (l_diffuse * diffuse) * _58) + ((l_specular * specular) * (pow(fast::max(dot(reflect(-l, _47), fast::normalize(eye - pos)), 0.0), spec_power) * _58)), 1.0);
+        float3 _48 = fast::normalize(nrm);
+        float _59 = fast::max(dot(_48, l), 0.0);
+        return float4(fma(l_ambient, ambient, (l_diffuse * diffuse) * _59) + ((l_specular * specular) * (pow(abs(fast::max(dot(reflect(-l, _48), fast::normalize(eye - pos)), 0.0)), spec_power) * _59)), 1.0);
     }
     
     static inline __attribute__((always_inline))
     float4 gamma(thread const float4& c)
     {
-        return float4(pow(c.xyz, float3(0.4545454680919647216796875)), c.w);
+        return float4(pow(abs(c.xyz), float3(0.4545454680919647216796875)), c.w);
     }
     
-    fragment main0_out main0(main0_in in [[stage_in]], constant normal_texture_fs_params& _127 [[buffer(0)]], texture2d<float> un_tex0 [[texture(0)]], sampler un_sampler0 [[sampler(0)]])
+    fragment main0_out main0(main0_in in [[stage_in]], constant normal_texture_fs_params& _129 [[buffer(0)]], texture2d<float> un_tex0 [[texture(0)]], sampler un_sampler0 [[sampler(0)]])
     {
         main0_out out = {};
         out.frag_color = un_tex0.sample(un_sampler0, in.fs_uv0);
-        if (_127.material > 0)
+        if (_129.material > 0)
         {
             float3 param = in.fs_position;
             float3 param_1 = in.fs_normal;
-            float3 param_2 = -_127.light_dir;
+            float3 param_2 = -_129.light_dir;
             float3 param_3 = float3(0.0);
-            float3 param_4 = _127.light_ambient;
-            float3 param_5 = _127.light_diffuse;
-            float3 param_6 = float3(_127.light_specular);
-            float3 param_7 = _127.ambient.xyz;
-            float3 param_8 = _127.diffuse.xyz;
-            float3 param_9 = _127.specular.xyz;
-            float param_10 = _127.spec_power;
+            float3 param_4 = _129.light_ambient;
+            float3 param_5 = _129.light_diffuse;
+            float3 param_6 = float3(_129.light_specular);
+            float3 param_7 = _129.ambient.xyz;
+            float3 param_8 = _129.diffuse.xyz;
+            float3 param_9 = _129.specular.xyz;
+            float param_10 = _129.spec_power;
             float4 param_11 = phong(param, param_1, param_2, param_3, param_4, param_5, param_6, param_7, param_8, param_9, param_10);
             out.frag_color *= gamma(param_11);
-            out.frag_color.w *= _127.diffuse.w;
+            out.frag_color.w *= _129.diffuse.w;
         }
         else
         {
-            float4 _197 = out.frag_color;
-            float3 _202 = _197.xyz * _127.ambient.xyz;
-            out.frag_color.x = _202.x;
-            out.frag_color.y = _202.y;
-            out.frag_color.z = _202.z;
+            float4 _199 = out.frag_color;
+            float3 _204 = _199.xyz * _129.ambient.xyz;
+            out.frag_color.x = _204.x;
+            out.frag_color.y = _204.y;
+            out.frag_color.z = _204.z;
         }
-        if (_127.un_alpha_test >= out.frag_color.w)
+        if (_129.un_alpha_test >= out.frag_color.w)
         {
             discard_fragment();
         }
@@ -1316,7 +1317,7 @@ static const char normal_vs_source_metal_macos[910] = {
     }
     
 */
-static const char normal_fs_source_metal_macos[2768] = {
+static const char normal_fs_source_metal_macos[2778] = {
     0x23,0x70,0x72,0x61,0x67,0x6d,0x61,0x20,0x63,0x6c,0x61,0x6e,0x67,0x20,0x64,0x69,
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@@ -1380,117 +1381,117 @@ static const char normal_fs_source_metal_macos[2768] = {
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 };
 #endif /* SOKOL_METAL */
 #if defined(SOKOL_METAL)
@@ -1630,47 +1631,47 @@ static const char normal_vs_source_metal_ios[910] = {
     static inline __attribute__((always_inline))
     float4 phong(thread const float3& pos, thread const float3& nrm, thread const float3& l, thread const float3& eye, thread const float3& l_ambient, thread const float3& l_diffuse, thread const float3& l_specular, thread const float3& ambient, thread const float3& diffuse, thread const float3& specular, thread const float& spec_power)
     {
-        float3 _47 = fast::normalize(nrm);
-        float _58 = fast::max(dot(_47, l), 0.0);
-        return float4(fma(l_ambient, ambient, (l_diffuse * diffuse) * _58) + ((l_specular * specular) * (pow(fast::max(dot(reflect(-l, _47), fast::normalize(eye - pos)), 0.0), spec_power) * _58)), 1.0);
+        float3 _48 = fast::normalize(nrm);
+        float _59 = fast::max(dot(_48, l), 0.0);
+        return float4(fma(l_ambient, ambient, (l_diffuse * diffuse) * _59) + ((l_specular * specular) * (pow(abs(fast::max(dot(reflect(-l, _48), fast::normalize(eye - pos)), 0.0)), spec_power) * _59)), 1.0);
     }
     
     static inline __attribute__((always_inline))
     float4 gamma(thread const float4& c)
     {
-        return float4(pow(c.xyz, float3(0.4545454680919647216796875)), c.w);
+        return float4(pow(abs(c.xyz), float3(0.4545454680919647216796875)), c.w);
     }
     
-    fragment main0_out main0(main0_in in [[stage_in]], constant normal_texture_fs_params& _127 [[buffer(0)]], texture2d<float> un_tex0 [[texture(0)]], sampler un_sampler0 [[sampler(0)]])
+    fragment main0_out main0(main0_in in [[stage_in]], constant normal_texture_fs_params& _129 [[buffer(0)]], texture2d<float> un_tex0 [[texture(0)]], sampler un_sampler0 [[sampler(0)]])
     {
         main0_out out = {};
         out.frag_color = un_tex0.sample(un_sampler0, in.fs_uv0);
-        if (_127.material > 0)
+        if (_129.material > 0)
         {
             float3 param = in.fs_position;
             float3 param_1 = in.fs_normal;
-            float3 param_2 = -_127.light_dir;
+            float3 param_2 = -_129.light_dir;
             float3 param_3 = float3(0.0);
-            float3 param_4 = _127.light_ambient;
-            float3 param_5 = _127.light_diffuse;
-            float3 param_6 = float3(_127.light_specular);
-            float3 param_7 = _127.ambient.xyz;
-            float3 param_8 = _127.diffuse.xyz;
-            float3 param_9 = _127.specular.xyz;
-            float param_10 = _127.spec_power;
+            float3 param_4 = _129.light_ambient;
+            float3 param_5 = _129.light_diffuse;
+            float3 param_6 = float3(_129.light_specular);
+            float3 param_7 = _129.ambient.xyz;
+            float3 param_8 = _129.diffuse.xyz;
+            float3 param_9 = _129.specular.xyz;
+            float param_10 = _129.spec_power;
             float4 param_11 = phong(param, param_1, param_2, param_3, param_4, param_5, param_6, param_7, param_8, param_9, param_10);
             out.frag_color *= gamma(param_11);
-            out.frag_color.w *= _127.diffuse.w;
+            out.frag_color.w *= _129.diffuse.w;
         }
         else
         {
-            float4 _197 = out.frag_color;
-            float3 _202 = _197.xyz * _127.ambient.xyz;
-            out.frag_color.x = _202.x;
-            out.frag_color.y = _202.y;
-            out.frag_color.z = _202.z;
+            float4 _199 = out.frag_color;
+            float3 _204 = _199.xyz * _129.ambient.xyz;
+            out.frag_color.x = _204.x;
+            out.frag_color.y = _204.y;
+            out.frag_color.z = _204.z;
         }
-        if (_127.un_alpha_test >= out.frag_color.w)
+        if (_129.un_alpha_test >= out.frag_color.w)
         {
             discard_fragment();
         }
@@ -1678,7 +1679,7 @@ static const char normal_vs_source_metal_ios[910] = {
     }
     
 */
-static const char normal_fs_source_metal_ios[2768] = {
+static const char normal_fs_source_metal_ios[2778] = {
     0x23,0x70,0x72,0x61,0x67,0x6d,0x61,0x20,0x63,0x6c,0x61,0x6e,0x67,0x20,0x64,0x69,
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@@ -1742,117 +1743,117 @@ static const char normal_fs_source_metal_ios[2768] = {
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 };
 #endif /* SOKOL_METAL */
 #if defined(SOKOL_METAL)
@@ -1992,47 +1993,47 @@ static const char normal_vs_source_metal_sim[910] = {
     static inline __attribute__((always_inline))
     float4 phong(thread const float3& pos, thread const float3& nrm, thread const float3& l, thread const float3& eye, thread const float3& l_ambient, thread const float3& l_diffuse, thread const float3& l_specular, thread const float3& ambient, thread const float3& diffuse, thread const float3& specular, thread const float& spec_power)
     {
-        float3 _47 = fast::normalize(nrm);
-        float _58 = fast::max(dot(_47, l), 0.0);
-        return float4(fma(l_ambient, ambient, (l_diffuse * diffuse) * _58) + ((l_specular * specular) * (pow(fast::max(dot(reflect(-l, _47), fast::normalize(eye - pos)), 0.0), spec_power) * _58)), 1.0);
+        float3 _48 = fast::normalize(nrm);
+        float _59 = fast::max(dot(_48, l), 0.0);
+        return float4(fma(l_ambient, ambient, (l_diffuse * diffuse) * _59) + ((l_specular * specular) * (pow(abs(fast::max(dot(reflect(-l, _48), fast::normalize(eye - pos)), 0.0)), spec_power) * _59)), 1.0);
     }
     
     static inline __attribute__((always_inline))
     float4 gamma(thread const float4& c)
     {
-        return float4(pow(c.xyz, float3(0.4545454680919647216796875)), c.w);
+        return float4(pow(abs(c.xyz), float3(0.4545454680919647216796875)), c.w);
     }
     
-    fragment main0_out main0(main0_in in [[stage_in]], constant normal_texture_fs_params& _127 [[buffer(0)]], texture2d<float> un_tex0 [[texture(0)]], sampler un_sampler0 [[sampler(0)]])
+    fragment main0_out main0(main0_in in [[stage_in]], constant normal_texture_fs_params& _129 [[buffer(0)]], texture2d<float> un_tex0 [[texture(0)]], sampler un_sampler0 [[sampler(0)]])
     {
         main0_out out = {};
         out.frag_color = un_tex0.sample(un_sampler0, in.fs_uv0);
-        if (_127.material > 0)
+        if (_129.material > 0)
         {
             float3 param = in.fs_position;
             float3 param_1 = in.fs_normal;
-            float3 param_2 = -_127.light_dir;
+            float3 param_2 = -_129.light_dir;
             float3 param_3 = float3(0.0);
-            float3 param_4 = _127.light_ambient;
-            float3 param_5 = _127.light_diffuse;
-            float3 param_6 = float3(_127.light_specular);
-            float3 param_7 = _127.ambient.xyz;
-            float3 param_8 = _127.diffuse.xyz;
-            float3 param_9 = _127.specular.xyz;
-            float param_10 = _127.spec_power;
+            float3 param_4 = _129.light_ambient;
+            float3 param_5 = _129.light_diffuse;
+            float3 param_6 = float3(_129.light_specular);
+            float3 param_7 = _129.ambient.xyz;
+            float3 param_8 = _129.diffuse.xyz;
+            float3 param_9 = _129.specular.xyz;
+            float param_10 = _129.spec_power;
             float4 param_11 = phong(param, param_1, param_2, param_3, param_4, param_5, param_6, param_7, param_8, param_9, param_10);
             out.frag_color *= gamma(param_11);
-            out.frag_color.w *= _127.diffuse.w;
+            out.frag_color.w *= _129.diffuse.w;
         }
         else
         {
-            float4 _197 = out.frag_color;
-            float3 _202 = _197.xyz * _127.ambient.xyz;
-            out.frag_color.x = _202.x;
-            out.frag_color.y = _202.y;
-            out.frag_color.z = _202.z;
+            float4 _199 = out.frag_color;
+            float3 _204 = _199.xyz * _129.ambient.xyz;
+            out.frag_color.x = _204.x;
+            out.frag_color.y = _204.y;
+            out.frag_color.z = _204.z;
         }
-        if (_127.un_alpha_test >= out.frag_color.w)
+        if (_129.un_alpha_test >= out.frag_color.w)
         {
             discard_fragment();
         }
@@ -2040,7 +2041,7 @@ static const char normal_vs_source_metal_sim[910] = {
     }
     
 */
-static const char normal_fs_source_metal_sim[2768] = {
+static const char normal_fs_source_metal_sim[2778] = {
     0x23,0x70,0x72,0x61,0x67,0x6d,0x61,0x20,0x63,0x6c,0x61,0x6e,0x67,0x20,0x64,0x69,
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@@ -2104,117 +2105,117 @@ static const char normal_fs_source_metal_sim[2768] = {
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 };
 #endif /* SOKOL_METAL */
 #if defined(SOKOL_WGPU)
@@ -2431,13 +2432,13 @@ static const char normal_vs_source_wgsl[1708] = {
     
     var<private> fs_uv0 : vec2f;
     
-    @group(0) @binding(4) var<uniform> x_127 : normal_texture_fs_params;
+    @group(0) @binding(4) var<uniform> x_129 : normal_texture_fs_params;
     
     var<private> fs_position : vec3f;
     
     var<private> fs_normal : vec3f;
     
-    const x_82 = vec3f(1.0f, 1.0f, 1.0f);
+    const x_84 = vec3f(1.0f, 1.0f, 1.0f);
     
     fn phong_vf3_vf3_vf3_vf3_vf3_vf3_vf3_vf3_vf3_vf3_f1_(pos : ptr<function, vec3f>, nrm : ptr<function, vec3f>, l : ptr<function, vec3f>, eye : ptr<function, vec3f>, l_ambient : ptr<function, vec3f>, l_diffuse : ptr<function, vec3f>, l_specular : ptr<function, vec3f>, ambient : ptr<function, vec3f>, diffuse : ptr<function, vec3f>, specular : ptr<function, vec3f>, spec_power : ptr<function, f32>) -> vec4f {
       var n : vec3f;
@@ -2450,50 +2451,50 @@ static const char normal_vs_source_wgsl[1708] = {
       var ambient_v : vec3f;
       var diffuse_v : vec3f;
       var specular_v : vec3f;
-      let x_46 : vec3f = *(nrm);
-      n = normalize(x_46);
-      let x_49 : vec3f = *(eye);
-      let x_50 : vec3f = *(pos);
-      v = normalize((x_49 - x_50));
-      let x_54 : vec3f = n;
-      let x_55 : vec3f = *(l);
-      n_dot_l = max(dot(x_54, x_55), 0.0f);
-      let x_60 : vec3f = *(l);
-      let x_61 : vec3f = -(x_60);
-      let x_62 : vec3f = n;
-      r = reflect(x_61, x_62);
-      let x_65 : vec3f = r;
-      let x_66 : vec3f = v;
-      r_dot_v = max(dot(x_65, x_66), 0.0f);
-      let x_70 : f32 = n_dot_l;
-      diff = x_70;
-      let x_72 : f32 = r_dot_v;
-      let x_73 : f32 = *(spec_power);
-      let x_75 : f32 = n_dot_l;
-      spec = (pow(x_72, x_73) * x_75);
-      let x_78 : vec3f = *(l_ambient);
-      let x_79 : vec3f = *(ambient);
-      ambient_v = ((x_78 * x_79) * x_82);
-      let x_85 : vec3f = *(l_diffuse);
-      let x_86 : vec3f = *(diffuse);
-      let x_88 : f32 = diff;
-      diffuse_v = ((x_85 * x_86) * x_88);
-      let x_91 : vec3f = *(l_specular);
-      let x_92 : vec3f = *(specular);
-      let x_94 : f32 = spec;
-      specular_v = ((x_91 * x_92) * x_94);
-      let x_96 : vec3f = ambient_v;
-      let x_97 : vec3f = diffuse_v;
-      let x_99 : vec3f = specular_v;
-      let x_100 : vec3f = ((x_96 + x_97) + x_99);
-      return vec4f(x_100.x, x_100.y, x_100.z, 1.0f);
+      let x_47 : vec3f = *(nrm);
+      n = normalize(x_47);
+      let x_50 : vec3f = *(eye);
+      let x_51 : vec3f = *(pos);
+      v = normalize((x_50 - x_51));
+      let x_55 : vec3f = n;
+      let x_56 : vec3f = *(l);
+      n_dot_l = max(dot(x_55, x_56), 0.0f);
+      let x_61 : vec3f = *(l);
+      let x_62 : vec3f = -(x_61);
+      let x_63 : vec3f = n;
+      r = reflect(x_62, x_63);
+      let x_66 : vec3f = r;
+      let x_67 : vec3f = v;
+      r_dot_v = max(dot(x_66, x_67), 0.0f);
+      let x_71 : f32 = n_dot_l;
+      diff = x_71;
+      let x_73 : f32 = r_dot_v;
+      let x_75 : f32 = *(spec_power);
+      let x_77 : f32 = n_dot_l;
+      spec = (pow(abs(x_73), x_75) * x_77);
+      let x_80 : vec3f = *(l_ambient);
+      let x_81 : vec3f = *(ambient);
+      ambient_v = ((x_80 * x_81) * x_84);
+      let x_87 : vec3f = *(l_diffuse);
+      let x_88 : vec3f = *(diffuse);
+      let x_90 : f32 = diff;
+      diffuse_v = ((x_87 * x_88) * x_90);
+      let x_93 : vec3f = *(l_specular);
+      let x_94 : vec3f = *(specular);
+      let x_96 : f32 = spec;
+      specular_v = ((x_93 * x_94) * x_96);
+      let x_98 : vec3f = ambient_v;
+      let x_99 : vec3f = diffuse_v;
+      let x_101 : vec3f = specular_v;
+      let x_102 : vec3f = ((x_98 + x_99) + x_101);
+      return vec4f(x_102.x, x_102.y, x_102.z, 1.0f);
     }
     
     fn gamma_vf4_(c : ptr<function, vec4f>) -> vec4f {
       let x_30 : vec4f = *(c);
-      let x_34 : vec3f = pow(vec3f(x_30.x, x_30.y, x_30.z), vec3f(0.45454546809196472168f, 0.45454546809196472168f, 0.45454546809196472168f));
-      let x_38 : f32 = (*(c)).w;
-      return vec4f(x_34.x, x_34.y, x_34.z, x_38);
+      let x_35 : vec3f = pow(abs(vec3f(x_30.x, x_30.y, x_30.z)), vec3f(0.45454546809196472168f, 0.45454546809196472168f, 0.45454546809196472168f));
+      let x_39 : f32 = (*(c)).w;
+      return vec4f(x_35.x, x_35.y, x_35.z, x_39);
     }
     
     fn main_1() {
@@ -2509,51 +2510,51 @@ static const char normal_vs_source_wgsl[1708] = {
       var param_9 : vec3f;
       var param_10 : f32;
       var param_11 : vec4f;
-      let x_122 : vec2f = fs_uv0;
-      let x_123 : vec4f = textureSample(un_tex0, un_sampler0, x_122);
-      frag_color = x_123;
-      let x_131 : i32 = x_127.material;
-      if ((x_131 > 0i)) {
-        let x_137 : vec4f = frag_color;
-        let x_144 : vec3f = x_127.light_dir;
-        let x_154 : vec3f = fs_position;
-        param = x_154;
-        let x_156 : vec3f = fs_normal;
-        param_1 = x_156;
-        param_2 = -(x_144);
+      let x_124 : vec2f = fs_uv0;
+      let x_125 : vec4f = textureSample(un_tex0, un_sampler0, x_124);
+      frag_color = x_125;
+      let x_133 : i32 = x_129.material;
+      if ((x_133 > 0i)) {
+        let x_139 : vec4f = frag_color;
+        let x_146 : vec3f = x_129.light_dir;
+        let x_156 : vec3f = fs_position;
+        param = x_156;
+        let x_158 : vec3f = fs_normal;
+        param_1 = x_158;
+        param_2 = -(x_146);
         param_3 = vec3f(0.0f, 0.0f, 0.0f);
-        let x_161 : vec3f = x_127.light_ambient;
-        param_4 = x_161;
-        let x_164 : vec3f = x_127.light_diffuse;
-        param_5 = x_164;
-        let x_167 : vec3f = x_127.light_specular;
-        param_6 = x_167;
-        let x_171 : vec4f = x_127.ambient;
-        param_7 = vec3f(x_171.x, x_171.y, x_171.z);
-        let x_175 : vec4f = x_127.diffuse;
-        param_8 = vec3f(x_175.x, x_175.y, x_175.z);
-        let x_179 : vec4f = x_127.specular;
-        param_9 = vec3f(x_179.x, x_179.y, x_179.z);
-        let x_184 : f32 = x_127.spec_power;
-        param_10 = x_184;
-        let x_185 : vec4f = phong_vf3_vf3_vf3_vf3_vf3_vf3_vf3_vf3_vf3_vf3_f1_(&(param), &(param_1), &(param_2), &(param_3), &(param_4), &(param_5), &(param_6), &(param_7), &(param_8), &(param_9), &(param_10));
-        param_11 = x_185;
-        let x_187 : vec4f = gamma_vf4_(&(param_11));
-        frag_color = (x_137 * x_187);
-        let x_190 : f32 = x_127.diffuse.w;
-        let x_193 : f32 = frag_color.w;
-        frag_color.w = (x_193 * x_190);
+        let x_163 : vec3f = x_129.light_ambient;
+        param_4 = x_163;
+        let x_166 : vec3f = x_129.light_diffuse;
+        param_5 = x_166;
+        let x_169 : vec3f = x_129.light_specular;
+        param_6 = x_169;
+        let x_173 : vec4f = x_129.ambient;
+        param_7 = vec3f(x_173.x, x_173.y, x_173.z);
+        let x_177 : vec4f = x_129.diffuse;
+        param_8 = vec3f(x_177.x, x_177.y, x_177.z);
+        let x_181 : vec4f = x_129.specular;
+        param_9 = vec3f(x_181.x, x_181.y, x_181.z);
+        let x_186 : f32 = x_129.spec_power;
+        param_10 = x_186;
+        let x_187 : vec4f = phong_vf3_vf3_vf3_vf3_vf3_vf3_vf3_vf3_vf3_vf3_f1_(&(param), &(param_1), &(param_2), &(param_3), &(param_4), &(param_5), &(param_6), &(param_7), &(param_8), &(param_9), &(param_10));
+        param_11 = x_187;
+        let x_189 : vec4f = gamma_vf4_(&(param_11));
+        frag_color = (x_139 * x_189);
+        let x_192 : f32 = x_129.diffuse.w;
+        let x_195 : f32 = frag_color.w;
+        frag_color.w = (x_195 * x_192);
       } else {
-        let x_197 : vec4f = frag_color;
-        let x_200 : vec4f = x_127.ambient;
-        let x_203 : vec3f = ((vec3f(x_197.x, x_197.y, x_197.z) * vec3f(x_200.x, x_200.y, x_200.z)) * x_82);
-        frag_color.x = x_203.x;
-        frag_color.y = x_203.y;
-        frag_color.z = x_203.z;
+        let x_199 : vec4f = frag_color;
+        let x_202 : vec4f = x_129.ambient;
+        let x_205 : vec3f = ((vec3f(x_199.x, x_199.y, x_199.z) * vec3f(x_202.x, x_202.y, x_202.z)) * x_84);
+        frag_color.x = x_205.x;
+        frag_color.y = x_205.y;
+        frag_color.z = x_205.z;
       }
-      let x_215 : f32 = x_127.un_alpha_test;
-      let x_217 : f32 = frag_color.w;
-      if ((x_215 >= x_217)) {
+      let x_217 : f32 = x_129.un_alpha_test;
+      let x_219 : f32 = frag_color.w;
+      if ((x_217 >= x_219)) {
         discard;
       }
       return;
@@ -2574,7 +2575,7 @@ static const char normal_vs_source_wgsl[1708] = {
     }
     
 */
-static const char normal_fs_source_wgsl[5367] = {
+static const char normal_fs_source_wgsl[5379] = {
     0x64,0x69,0x61,0x67,0x6e,0x6f,0x73,0x74,0x69,0x63,0x28,0x6f,0x66,0x66,0x2c,0x20,
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@@ -2621,14 +2622,14 @@ static const char normal_fs_source_wgsl[5367] = {
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-    0x73,0x74,0x20,0x78,0x5f,0x38,0x32,0x20,0x3d,0x20,0x76,0x65,0x63,0x33,0x66,0x28,
+    0x73,0x74,0x20,0x78,0x5f,0x38,0x34,0x20,0x3d,0x20,0x76,0x65,0x63,0x33,0x66,0x28,
     0x31,0x2e,0x30,0x66,0x2c,0x20,0x31,0x2e,0x30,0x66,0x2c,0x20,0x31,0x2e,0x30,0x66,
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@@ -2669,248 +2670,249 @@ static const char normal_fs_source_wgsl[5367] = {
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+    0x0a,0x0a,0x00,
 };
 #endif /* SOKOL_WGPU */
 #if !defined(SOKOL_GFX_INCLUDED)
@@ -2937,37 +2939,37 @@ static inline const sg_shader_desc* normal_program_shader_desc(sg_backend backen
       desc.fs.entry = "main";
       desc.fs.uniform_blocks[0].size = 144;
       desc.fs.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
-      desc.fs.uniform_blocks[0].uniforms[0].name = "_127.diffuse";
+      desc.fs.uniform_blocks[0].uniforms[0].name = "_129.diffuse";
       desc.fs.uniform_blocks[0].uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
       desc.fs.uniform_blocks[0].uniforms[0].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[1].name = "_127.ambient";
+      desc.fs.uniform_blocks[0].uniforms[1].name = "_129.ambient";
       desc.fs.uniform_blocks[0].uniforms[1].type = SG_UNIFORMTYPE_FLOAT4;
       desc.fs.uniform_blocks[0].uniforms[1].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[2].name = "_127.specular";
+      desc.fs.uniform_blocks[0].uniforms[2].name = "_129.specular";
       desc.fs.uniform_blocks[0].uniforms[2].type = SG_UNIFORMTYPE_FLOAT4;
       desc.fs.uniform_blocks[0].uniforms[2].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[3].name = "_127.emissive";
+      desc.fs.uniform_blocks[0].uniforms[3].name = "_129.emissive";
       desc.fs.uniform_blocks[0].uniforms[3].type = SG_UNIFORMTYPE_FLOAT4;
       desc.fs.uniform_blocks[0].uniforms[3].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[4].name = "_127.light_dir";
+      desc.fs.uniform_blocks[0].uniforms[4].name = "_129.light_dir";
       desc.fs.uniform_blocks[0].uniforms[4].type = SG_UNIFORMTYPE_FLOAT3;
       desc.fs.uniform_blocks[0].uniforms[4].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[5].name = "_127.light_diffuse";
+      desc.fs.uniform_blocks[0].uniforms[5].name = "_129.light_diffuse";
       desc.fs.uniform_blocks[0].uniforms[5].type = SG_UNIFORMTYPE_FLOAT3;
       desc.fs.uniform_blocks[0].uniforms[5].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[6].name = "_127.light_ambient";
+      desc.fs.uniform_blocks[0].uniforms[6].name = "_129.light_ambient";
       desc.fs.uniform_blocks[0].uniforms[6].type = SG_UNIFORMTYPE_FLOAT3;
       desc.fs.uniform_blocks[0].uniforms[6].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[7].name = "_127.light_specular";
+      desc.fs.uniform_blocks[0].uniforms[7].name = "_129.light_specular";
       desc.fs.uniform_blocks[0].uniforms[7].type = SG_UNIFORMTYPE_FLOAT3;
       desc.fs.uniform_blocks[0].uniforms[7].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[8].name = "_127.spec_power";
+      desc.fs.uniform_blocks[0].uniforms[8].name = "_129.spec_power";
       desc.fs.uniform_blocks[0].uniforms[8].type = SG_UNIFORMTYPE_FLOAT;
       desc.fs.uniform_blocks[0].uniforms[8].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[9].name = "_127.un_alpha_test";
+      desc.fs.uniform_blocks[0].uniforms[9].name = "_129.un_alpha_test";
       desc.fs.uniform_blocks[0].uniforms[9].type = SG_UNIFORMTYPE_FLOAT;
       desc.fs.uniform_blocks[0].uniforms[9].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[10].name = "_127.material";
+      desc.fs.uniform_blocks[0].uniforms[10].name = "_129.material";
       desc.fs.uniform_blocks[0].uniforms[10].type = SG_UNIFORMTYPE_INT;
       desc.fs.uniform_blocks[0].uniforms[10].array_count = 1;
       desc.fs.images[0].used = true;
@@ -3005,37 +3007,37 @@ static inline const sg_shader_desc* normal_program_shader_desc(sg_backend backen
       desc.fs.entry = "main";
       desc.fs.uniform_blocks[0].size = 144;
       desc.fs.uniform_blocks[0].layout = SG_UNIFORMLAYOUT_STD140;
-      desc.fs.uniform_blocks[0].uniforms[0].name = "_127.diffuse";
+      desc.fs.uniform_blocks[0].uniforms[0].name = "_129.diffuse";
       desc.fs.uniform_blocks[0].uniforms[0].type = SG_UNIFORMTYPE_FLOAT4;
       desc.fs.uniform_blocks[0].uniforms[0].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[1].name = "_127.ambient";
+      desc.fs.uniform_blocks[0].uniforms[1].name = "_129.ambient";
       desc.fs.uniform_blocks[0].uniforms[1].type = SG_UNIFORMTYPE_FLOAT4;
       desc.fs.uniform_blocks[0].uniforms[1].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[2].name = "_127.specular";
+      desc.fs.uniform_blocks[0].uniforms[2].name = "_129.specular";
       desc.fs.uniform_blocks[0].uniforms[2].type = SG_UNIFORMTYPE_FLOAT4;
       desc.fs.uniform_blocks[0].uniforms[2].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[3].name = "_127.emissive";
+      desc.fs.uniform_blocks[0].uniforms[3].name = "_129.emissive";
       desc.fs.uniform_blocks[0].uniforms[3].type = SG_UNIFORMTYPE_FLOAT4;
       desc.fs.uniform_blocks[0].uniforms[3].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[4].name = "_127.light_dir";
+      desc.fs.uniform_blocks[0].uniforms[4].name = "_129.light_dir";
       desc.fs.uniform_blocks[0].uniforms[4].type = SG_UNIFORMTYPE_FLOAT3;
       desc.fs.uniform_blocks[0].uniforms[4].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[5].name = "_127.light_diffuse";
+      desc.fs.uniform_blocks[0].uniforms[5].name = "_129.light_diffuse";
       desc.fs.uniform_blocks[0].uniforms[5].type = SG_UNIFORMTYPE_FLOAT3;
       desc.fs.uniform_blocks[0].uniforms[5].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[6].name = "_127.light_ambient";
+      desc.fs.uniform_blocks[0].uniforms[6].name = "_129.light_ambient";
       desc.fs.uniform_blocks[0].uniforms[6].type = SG_UNIFORMTYPE_FLOAT3;
       desc.fs.uniform_blocks[0].uniforms[6].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[7].name = "_127.light_specular";
+      desc.fs.uniform_blocks[0].uniforms[7].name = "_129.light_specular";
       desc.fs.uniform_blocks[0].uniforms[7].type = SG_UNIFORMTYPE_FLOAT3;
       desc.fs.uniform_blocks[0].uniforms[7].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[8].name = "_127.spec_power";
+      desc.fs.uniform_blocks[0].uniforms[8].name = "_129.spec_power";
       desc.fs.uniform_blocks[0].uniforms[8].type = SG_UNIFORMTYPE_FLOAT;
       desc.fs.uniform_blocks[0].uniforms[8].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[9].name = "_127.un_alpha_test";
+      desc.fs.uniform_blocks[0].uniforms[9].name = "_129.un_alpha_test";
       desc.fs.uniform_blocks[0].uniforms[9].type = SG_UNIFORMTYPE_FLOAT;
       desc.fs.uniform_blocks[0].uniforms[9].array_count = 1;
-      desc.fs.uniform_blocks[0].uniforms[10].name = "_127.material";
+      desc.fs.uniform_blocks[0].uniforms[10].name = "_129.material";
       desc.fs.uniform_blocks[0].uniforms[10].type = SG_UNIFORMTYPE_INT;
       desc.fs.uniform_blocks[0].uniforms[10].array_count = 1;
       desc.fs.images[0].used = true;
diff --git a/perimeter.nix b/perimeter.nix
index 6e21b2c3..dee9495d 100644
--- a/perimeter.nix
+++ b/perimeter.nix
@@ -31,7 +31,7 @@
   });
   sokol_git = builtins.fetchGit {
     url = https://github.com/floooh/sokol;
-    rev = "c0e54485457b2e1645f2d809394753b53bf50cd4";
+    rev = "7f7cd64c6d9d1d4ed08d88a3879b1d69841bf0a4";
     ref = "master";
   };
   gamemath_git = builtins.fetchGit {