Questions tagged [hlsl]
A proprietary shading language developed by Microsoft for use with the Microsoft Direct3D API.
666 questions
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URP Maximum Sample Index (16) with Light Cookie Input
I just recently imported a new asset package, all of the materials use the URP lit shader, no custom shaders. However, now I can't build the game because I keep getting the same errors:
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HLSL Automatic Root Signature Creation
I know of two different ways to specify a root signature in DX12, and those are:
Creating one with D3D12_VERSIONED_ROOT_SIGNATURE_DESC and ...
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Decompiling a DXBC - why is an integer operation working with a massive float?
I'm decompiling a game's shaders with RenderDoc in an effort to understand them, and I encountered this segment:
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What is the proper way to write a pixel shader that only outputs depth?
I have an effect that I want to only write to depth.
commandList->OMSetRenderTargets(0, nullptr, FALSE, &m_mainDepthStencilDescriptorHandle.getCpuHandle());
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Can we use geometry shader to allow or not the drawing based on a stencil value?
I have a forward reflexion protocol producing a reflexion map used for final scene rendering. I can have several heights of ground we can defined as "mirrors". In order to have only one map ...
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How does SamplerCmp works compared to Sample (PCF shadow blur)
I'm doing 3x3 PCF blur with either Texture.SampleCmp (from CascadedShadow demo in DX11) or Texture.Sample (DX11 SM5) like this
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225
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Difficulty for using asfloat/asuint
I'm trying to convert a RGB color to a RGB555 format to be saved as a float in a R16F or R16UNORM texture.
I have a method that works quite well using only float maths for both types of surface but I ...
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Advice on how to best use if possible 4 GatherCmpRed to emulate a 4x4 PCF sampling for shadowmap blur
In a part of my level I have shadows close to the camera where a good blur is important. Currently I have implemented a 4x4 PCF, thus requiring 16 texture samplings.
I'm trying to see if the ...
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Shadow artifact with cubemap shadow for pointlights
I am facing some difficulties with the use of a cubemap shadow associated to a poinlight (represented as the yellow bicone in the picture). The shadow map itself is generated properly (see picture).
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Generate Frustum from Clip Rectangle after Projection
I have an arbitrary Clip Rectangle, ranging from -1 to 1 which was obtained by min/maxing vertices after projection.
I want to cull triangles in a compute shader against this particular rectangle.
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How to sample a R8_UINT texture in hlsl？
I'm a newbie in DX12 and trying to visualize Stencil buffer onto screen. I've been copied stencil plane slice into a DXGI_FORMAT_R8_UINT texture, but when HLSL samples this texture it just returns 0, ...
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Blending/gradient/smoothing between textures in Texture2DArray in HLSL shader
Well, I have this triplanar shader:
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How to check input/output data for shaders in Renderdoc?
How can I check whether my vertex and pixel shaders' input and output have data in Renderdoc?
I have a problem with my pixel shader when I try to include input color. I get a black screen. When I ...
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Use DirectX 11 & HLSL in SDL
I saw Lazy Foo using OpenGL & GLSL in SDL, but I want to use DirectX 11 & HLSL in SDL.
Is there a way to do this, and how?
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Incorrect Screen Space Reflection help
I'm leaving a question because I ran into a problem while implementing screen space reflection.
The way I do it is by sampling the position and normal map saved with deferred rendering, changing it to ...
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