Remove D3D12 -> Vulkan redirections.

UnleashedRecomp/CMakeLists.txt

@@ -357,7 +357,8 @@ if (WIN32)
         ntdll
         Shcore
         Synchronization
-        winmm
+        winmm
+        windowsapp
     )
 endif()
 

UnleashedRecomp/gpu/rhi/plume_d3d12.cpp

@@ -1566,6 +1566,10 @@ namespace plume {
         auto makeBarrier = [&](ID3D12Resource *resource, D3D12_RESOURCE_STATES stateBefore, D3D12_RESOURCE_STATES stateAfter, bool supportsUAV, D3D12_RESOURCE_BARRIER &resourceBarrier) {
             resourceBarrier = {};
 
+            if (type == RenderCommandListType::COPY) {
+                return false;
+            }
+
             if (stateBefore != stateAfter) {
                 resourceBarrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
                 resourceBarrier.Transition.StateBefore = stateBefore;
@@ -2228,11 +2232,13 @@ namespace plume {
 
         this->device = device;
 
-        HRESULT res = device->d3d->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&d3d));
+        HRESULT res = device->d3d->CreateFence(1, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&d3d));
         if (FAILED(res)) {
             fprintf(stderr, "CreateFence failed with error code 0x%lX.\n", res);
             return;
         }
+
+        semaphoreValue = 1;
     }
 
     D3D12CommandSemaphore::~D3D12CommandSemaphore() {

UnleashedRecomp/gpu/video.cpp

@@ -315,6 +315,10 @@ static std::unique_ptr<RenderCommandQueue> g_copyQueue;
 static std::unique_ptr<RenderCommandList> g_copyCommandList;
 static std::unique_ptr<RenderCommandFence> g_copyCommandFence;
 
+static Mutex g_discardMutex;
+static std::unique_ptr<RenderCommandList> g_discardCommandList;
+static std::unique_ptr<RenderCommandFence> g_discardCommandFence;
+
 static std::unique_ptr<RenderSwapChain> g_swapChain;
 static bool g_swapChainValid;
 
@@ -1724,23 +1728,10 @@ bool Video::CreateHostDevice(const char *sdlVideoDriver, bool graphicsApiRetry)
                     {
                         bool redirectToVulkan = false;
 
-                        if (deviceDescription.vendor == RenderDeviceVendor::AMD)
-                        {
-                            // AMD Drivers before this version have a known issue where MSAA resolve targets will fail to work correctly.
-                            // If no specific graphics API was selected, we silently destroy this one and move to the next option as it'll
-                            // just work incorrectly otherwise and result in visual glitches and 3D rendering not working in general.
-                            constexpr uint64_t MinimumAMDDriverVersion = 0x1F00005DC2005CULL; // 31.0.24002.92
-                            if ((Config::GraphicsAPI == EGraphicsAPI::Auto) && (deviceDescription.driverVersion < MinimumAMDDriverVersion))
-                                redirectToVulkan = true;
-                        }
-                        else if (deviceDescription.vendor == RenderDeviceVendor::INTEL)
-                        {
-                            // Intel drivers on D3D12 are extremely buggy, introducing various graphical glitches.
-                            // We will redirect users to Vulkan until a workaround can be found.
-                            if (Config::GraphicsAPI == EGraphicsAPI::Auto)
-                                redirectToVulkan = true;
-                        }
-
+                        // ...
+                        // There used to be driver redirections here, but they are all free from Vulkan purgatory for now...
+                        // ...
+                        
                         if (redirectToVulkan)
                         {
                             g_device.reset();
@@ -1757,10 +1748,6 @@ bool Video::CreateHostDevice(const char *sdlVideoDriver, bool graphicsApiRetry)
                             continue;
                         }
                     }
-
-                    // Hardware resolve seems to be completely bugged on Intel D3D12 drivers.
-                    g_hardwareResolve = (deviceDescription.vendor != RenderDeviceVendor::INTEL);
-                    g_hardwareDepthResolve = (deviceDescription.vendor != RenderDeviceVendor::INTEL);
                 }
 
                 g_vulkan = (interfaceFunction == CreateVulkanInterfaceWrapper);
@@ -1849,6 +1836,12 @@ bool Video::CreateHostDevice(const char *sdlVideoDriver, bool graphicsApiRetry)
     g_copyCommandList = g_device->createCommandList(RenderCommandListType::COPY);
     g_copyCommandFence = g_device->createCommandFence();
 
+    if (!g_vulkan)
+    {
+        g_discardCommandList = g_device->createCommandList(RenderCommandListType::DIRECT);
+        g_discardCommandFence = g_device->createCommandFence();
+    }
+
     uint32_t bufferCount = 2;
 
     switch (Config::TripleBuffering)
@@ -3093,6 +3086,27 @@ static RenderFormat ConvertFormat(uint32_t format)
     }
 }
 
+static void DiscardTexture(GuestBaseTexture* texture, RenderTextureLayout layout)
+{
+    if (!g_vulkan)
+    {
+        std::lock_guard lock(g_discardMutex);
+
+        g_discardCommandList->begin();
+        if (texture->layout != layout)
+        {
+            g_discardCommandList->barriers(RenderBarrierStage::GRAPHICS, RenderTextureBarrier(texture->texture, layout));
+            texture->layout = layout;
+        }
+
+        g_discardCommandList->discardTexture(texture->texture);
+        g_discardCommandList->end();
+
+        g_queue->executeCommandLists(g_discardCommandList.get(), g_discardCommandFence.get());
+        g_queue->waitForCommandFence(g_discardCommandFence.get());
+    }
+}
+
 static GuestTexture* CreateTexture(uint32_t width, uint32_t height, uint32_t depth, uint32_t levels, uint32_t usage, uint32_t format, uint32_t pool, uint32_t type) 
 {
     const auto texture = g_userHeap.AllocPhysical<GuestTexture>(type == 17 ? ResourceType::VolumeTexture : ResourceType::Texture);
@@ -3150,6 +3164,12 @@ static GuestTexture* CreateTexture(uint32_t width, uint32_t height, uint32_t dep
     texture->texture->setName(fmt::format("Texture {:X}", g_memory.MapVirtual(texture)));
 #endif
 
+    if (desc.flags != RenderTextureFlag::NONE)
+    {
+        DiscardTexture(texture, desc.flags == RenderTextureFlag::RENDER_TARGET ?
+            RenderTextureLayout::COLOR_WRITE : RenderTextureLayout::DEPTH_WRITE);
+    }
+
     return texture;
 }
 
@@ -3218,6 +3238,9 @@ static GuestSurface* CreateSurface(uint32_t width, uint32_t height, uint32_t for
     surface->texture->setName(fmt::format("{} {:X}", desc.flags & RenderTextureFlag::RENDER_TARGET ? "Render Target" : "Depth Stencil", g_memory.MapVirtual(surface)));
 #endif
 
+    DiscardTexture(surface, desc.flags == RenderTextureFlag::RENDER_TARGET ?
+        RenderTextureLayout::COLOR_WRITE : RenderTextureLayout::DEPTH_WRITE);
+
     return surface;
 }