[Rendering] Fixed render invalidation during frame;

Author: LittleCodingFox

Engine/Staple.Core/Rendering/RenderSystem/Backend/Impls/SDLGPU/Commands/SDLGPUUpdateIndexBufferCommand.cs

@@ -23,7 +23,6 @@ public void Update(IRendererBackend rendererBackend)
 
             if (buffer.buffer != nint.Zero)
             {
-                SDL.WaitForGPUIdle(backend.device);
                 SDL.ReleaseGPUBuffer(backend.device, buffer.buffer);
                 SDL.ReleaseGPUTransferBuffer(backend.device, buffer.transferBuffer);
 
@@ -71,7 +70,6 @@ public void Update(IRendererBackend rendererBackend)
 
             if (buffer.transferBuffer == nint.Zero)
             {
-                SDL.WaitForGPUIdle(backend.device);
                 SDL.ReleaseGPUBuffer(backend.device, buffer.buffer);
 
                 buffer.buffer = nint.Zero;

Engine/Staple.Core/Rendering/RenderSystem/Backend/Impls/SDLGPU/Commands/SDLGPUUpdateVertexBufferCommand.cs

@@ -23,7 +23,6 @@ public void Update(IRendererBackend rendererBackend)
 
             if (buffer.buffer != nint.Zero)
             {
-                SDL.WaitForGPUIdle(backend.device);
                 SDL.ReleaseGPUBuffer(backend.device, buffer.buffer);
                 SDL.ReleaseGPUTransferBuffer(backend.device, buffer.transferBuffer);
 
@@ -71,7 +70,6 @@ public void Update(IRendererBackend rendererBackend)
 
             if (buffer.transferBuffer == nint.Zero)
             {
-                SDL.WaitForGPUIdle(backend.device);
                 SDL.ReleaseGPUBuffer(backend.device, buffer.buffer);
 
                 buffer.buffer = nint.Zero;

Engine/Staple.Core/Rendering/RenderSystem/Backend/Impls/SDLGPU/SDLGPURendererBackend+Buffers.cs

@@ -12,8 +12,6 @@ internal void ReleaseBufferResource(BufferResource resource)
             return;
         }
 
-        SDL.WaitForGPUIdle(device);
-
         if (resource.transferBuffer != nint.Zero)
         {
             SDL.ReleaseGPUTransferBuffer(device, resource.transferBuffer);

Engine/Staple.Core/Rendering/RenderSystem/Backend/Impls/SDLGPU/SDLGPURendererBackend+Textures.cs

@@ -23,8 +23,6 @@ internal void ReleaseTextureResource(TextureResource resource)
             }
         }
 
-        SDL.WaitForGPUIdle(device);
-
         if (resource.transferBuffer != nint.Zero)
         {
             SDL.ReleaseGPUTransferBuffer(device, resource.transferBuffer);

Engine/Staple.Core/Rendering/RenderSystem/Backend/Impls/SDLGPU/SDLGPURendererBackend.cs

@@ -98,8 +98,6 @@ internal class TransientEntry
 
         public void Clear()
         {
-            SDL.WaitForGPUIdle(backend.device);
-
             if(vertexBuffer != nint.Zero)
             {
                 SDL.ReleaseGPUBuffer(backend.device, vertexBuffer);
@@ -161,7 +159,6 @@ public void CreateBuffers()
 
                 if (transferBuffer == nint.Zero)
                 {
-                    SDL.WaitForGPUIdle(backend.device);
                     SDL.ReleaseGPUBuffer(backend.device, vertexBuffer);
 
                     vertexBuffer = nint.Zero;
@@ -181,6 +178,8 @@ public void CreateBuffers()
 
                 if (backend.copyPass == nint.Zero)
                 {
+                    SDL.ReleaseGPUBuffer(backend.device, vertexBuffer);
+
                     return;
                 }
 
@@ -241,7 +240,6 @@ public void CreateBuffers()
 
                 if (transferBuffer == nint.Zero)
                 {
-                    SDL.WaitForGPUIdle(backend.device);
                     SDL.ReleaseGPUBuffer(backend.device, vertexBuffer);
                     SDL.ReleaseGPUBuffer(backend.device, indexBuffer);
 
@@ -323,7 +321,6 @@ public void CreateBuffers()
 
                 if (transferBuffer == nint.Zero)
                 {
-                    SDL.WaitForGPUIdle(backend.device);
                     SDL.ReleaseGPUBuffer(backend.device, vertexBuffer);
                     SDL.ReleaseGPUBuffer(backend.device, uintIndexBuffer);
 
@@ -626,8 +623,6 @@ public void Destroy()
     {
         if(device != nint.Zero)
         {
-            SDL.WaitForGPUIdle(device);
-
             foreach(var pair in graphicsPipelines)
             {
                 SDL.ReleaseGPUGraphicsPipeline(device, pair.Value);

Engine/Staple.Core/Rendering/Windowing/RenderWindow.cs

@@ -124,12 +124,15 @@ private void SingleThreadLoop()
         while (window.ShouldClose == false && shouldStop == false)
         {
             PerformanceProfilerSystem.StartFrame();
-            RenderSystem.Backend.BeginFrame();
 
             Input.UpdateState();
 
             window.PollEvents();
 
+            CheckEvents();
+
+            RenderSystem.Backend.BeginFrame();
+
             lock (renderLock)
             {
                 shouldRender = window.Unavailable == false && (AppSettings.Current.runInBackground == true || window.IsFocused == true);
@@ -187,8 +190,6 @@ private void SingleThreadLoop()
                 }
             }
 
-            CheckEvents();
-
             if (Paused)
             {
                 fixedTimer = 0;