dx12 descriptor table rename guards

.gitignore

@@ -228,3 +228,4 @@ ModelManifest.xml
 /.vs
 /models/Sample/temp
 /models/Emitter/temp
+*.csv

WickedEngine/fontPS.hlsl

@@ -8,5 +8,5 @@ struct VertextoPixel
 
 float4 main(VertextoPixel PSIn) : SV_TARGET
 {
-	return texture_0.Sample(sampler_linear_clamp, PSIn.tex) * g_xColor;
+	return texture_1.Sample(sampler_linear_clamp, PSIn.tex) * g_xColor;
 }

WickedEngine/wiFont.cpp

@@ -316,7 +316,7 @@ void wiFont::Draw(GRAPHICSTHREAD threadID)
 	assert(text.length() * 4 < 65536 && "The index buffer currently only supports so many characters!");
 	device->BindIndexBuffer(indexBuffer, INDEXFORMAT_16BIT, 0, threadID);
 
-	device->BindResourcePS(fontStyles[style].texture, TEXSLOT_ONDEMAND0, threadID);
+	device->BindResourcePS(fontStyles[style].texture, TEXSLOT_ONDEMAND1, threadID);
 
 	wiRenderer::MiscCB cb;
 

WickedEngine/wiGraphicsDevice_DX12.cpp

@@ -1223,14 +1223,19 @@ namespace wiGraphicsTypes
 
 		descriptorType = type;
 		itemSize = device->GetDescriptorHandleIncrementSize(type);
+
+		boundDescriptors = new D3D12_CPU_DESCRIPTOR_HANDLE*[SHADERSTAGE_COUNT * itemCount];
 	}
 	GraphicsDevice_DX12::FrameResources::DescriptorTableFrameAllocator::~DescriptorTableFrameAllocator()
 	{
 		SAFE_RELEASE(heap_CPU);
 		SAFE_RELEASE(heap_GPU);
+		SAFE_DELETE_ARRAY(boundDescriptors);
 	}
 	void GraphicsDevice_DX12::FrameResources::DescriptorTableFrameAllocator::reset(ID3D12Device* device, ID3D12GraphicsCommandList* commandList, D3D12_CPU_DESCRIPTOR_HANDLE* nullDescriptorsSamplerCBVSRVUAV)
 	{
+		memset(boundDescriptors, 0, sizeof(D3D12_CPU_DESCRIPTOR_HANDLE*)*SHADERSTAGE_COUNT*itemCount);
+
 		ringOffset = 0;
 
 		for (int stage = 0; stage < SHADERSTAGE_COUNT; ++stage)
@@ -1281,11 +1286,19 @@ namespace wiGraphicsTypes
 		{
 			return;
 		}
+		UINT idx = stage * itemCount + offset;
+
+		if (boundDescriptors[idx] == descriptor)
+		{
+			return;
+		}
+
+		boundDescriptors[idx] = descriptor;
 
 		dirty[stage] = true;
 
 		D3D12_CPU_DESCRIPTOR_HANDLE dst_staging = heap_CPU->GetCPUDescriptorHandleForHeapStart();
-		dst_staging.ptr += (stage * itemCount + offset) * itemSize;
+		dst_staging.ptr += idx * itemSize;
 
 		device->CopyDescriptorsSimple(1, dst_staging, *descriptor, (D3D12_DESCRIPTOR_HEAP_TYPE)descriptorType);
 	}
@@ -1857,6 +1870,7 @@ namespace wiGraphicsTypes
 			pRects[i].top = INT32_MIN;
 		}
 		static_cast<ID3D12GraphicsCommandList*>(commandLists[GRAPHICSTHREAD_IMMEDIATE])->RSSetScissorRects(8, pRects);
+
 	}
 	GraphicsDevice_DX12::~GraphicsDevice_DX12()
 	{

WickedEngine/wiGraphicsDevice_DX12.h

@@ -76,6 +76,7 @@ namespace wiGraphicsTypes
 				UINT itemCount;
 				UINT ringOffset;
 				bool dirty[SHADERSTAGE_COUNT];
+				D3D12_CPU_DESCRIPTOR_HANDLE** boundDescriptors;
 
 				DescriptorTableFrameAllocator(ID3D12Device* device, D3D12_DESCRIPTOR_HEAP_TYPE type, UINT maxRenameCount);
 				~DescriptorTableFrameAllocator();
@@ -132,6 +133,7 @@ namespace wiGraphicsTypes
 		IDXGISwapChain3*			swapChain;
 		ViewPort					viewPort;
 
+
 	public:
 		GraphicsDevice_DX12(wiWindowRegistration::window_type window, bool fullscreen = false);