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Format R32_Float for Render Target

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I've created my Render Target in both R8G8B8A8_Unorm and R32G32B32A32_float. No problem.

But If I use R32_Float the texture is written (I'm using visual studio graphics debug to see that texture is written) but when I read it in a Shader, the result is always 0.


What' wrong? I create my resource like this


ClearValue renderTargetOptimizedClearValue = new ClearValue()


   Format = targetFormat,

   Color = new Vector4(0, 0, 0, 0)



renderTarget= Device.CreateCommittedResource(new HeapProperties(HeapType.Default), HeapFlags.None,

                    new ResourceDescription(ResourceDimension.Texture2D, 0, width, height, 1, 1, targetFormat, 1, 0, TextureLayout.Unknown, ResourceFlags.AllowRenderTarget), ResourceStates.RenderTarget, renderTargetOptimizedClearValue);


Device.CreateRenderTargetView(renderTarget, null, heapRTV);


ShaderResourceViewDescription desc = new ShaderResourceViewDescription


                Dimension = ShaderResourceViewDimension.Texture2D,

                Format =  targetFormat,

                Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING


desc.Texture2D.MipLevels = 1;

desc.Texture2D.MostDetailedMip = 0;

desc.Texture2D.ResourceMinLODClamp = 0;


Device.CreateShaderResourceView(renderTarget, desc, heapSRV);

Edited by robydx

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