Questions tagged [directx11]
DirectX 11 is the primary graphics API for Microsoft platforms including Windows, Xbox One, and Windows phone.
763
questions
1
vote
1
answer
93
views
IDXGIFactory::CreateSwapChain() vs D3D11CreateDeviceAndSwapChain - When to use which for making a swap chain?
I'm following a bunch of tutorial series on how to set up Direct3D 11 for 3D rendering, I'm focusing on the swap chain part for now. The main tutorial series I am following is the one by PardCode on ...
- 11
1
vote
0
answers
26
views
1
vote
1
answer
95
views
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?
- 21
0
votes
1
answer
79
views
how to pass result of Compute Shader using UAV to Target View and render it in Direct3D11?
I'm trying to get a very basic Compute Shader to write to a Texture2D and render its result to screen. so far I have written this code to bind UAV to Texture2D and pass that to my Compute Shader. but ...
- 11
1
vote
1
answer
31
views
Failure on DX11Texturesavetofile for B5G6R5_UNORM format
I have a protocol to prepare with a combining shader a texture from two other textures and saving it in RGBA8_UNORM DDS format using DX11SaveTextureToFile. Works fine. It appears to me that I don't ...
- 139
0
votes
3
answers
46
views
How to clear a specific color channel in a rendertargetview
I have this situation where I would like to use a R16G16 (or 32) float RTV, write on the R channel at start and update only the G channel each frame. Is it possible to clear the RTV in a way the R ...
- 139
0
votes
1
answer
26
views
How to calculate elongated reflection along the perpendicalar axis of a plane
I'm adding a rain effect in my pipeline in forward mode. I'm rendering a reflection map used to mirror the scene on a "wet" ground.
I have raindrops rendered as circles with an animated ...
- 139
0
votes
1
answer
104
views
GLSL ported shader not working in HLSL
I have been working on an Infinity Grid shader for my engine.
It was already implemented to Vulkan’s GLSL, so it worked great with OpenGL’s (4.6) GLSL.
Here's a reference.
This basic shader with ...
0
votes
0
answers
13
views
Graphics.DrawString not drawing when picturebox handle is outputsource of directX11 device
Picturebox handle is set as the outputSource of DirectX11. directX is rendering on the picturebox handle.
I am also drawing text on the picturebox in paint event. But the text is not shown. If i don't ...
0
votes
1
answer
31
views
About possibly using Depthstencil 2D array in multiplerendertarget mode
I'm rendering in forward mode my scene with its depth buffer and because I'm using animated characters I'm plannig to find a way to use multiple rendertargets to do the directional shadow pass at the ...
- 139
0
votes
0
answers
42
views
Specular lighting does not appear
I'm struggling to add specular lighting on-top of diffuse lighting and not entirely sure where I'm going wrong. I've followed the instructions given in our lecture but it just doesn't seem to be ...
- 1
0
votes
1
answer
97
views
What is the best way to handle more bone weights than allowed in code?
I am currently attempting to incorporate animated models in my game engine, using Assimp to load the models. I can load and render the static model just fine, but when I try to enable the animation, ...
- 1
1
vote
0
answers
29
views
Some of the assignment operations in the directx11 compute shader are getting skipped, even though the assigned values are used later
I'm implementing an algorithm called Fast3x3 SVD on my compute shader. However, while I was debugging my compute shader in RenderDoc, I noticed some assignment operators were completely getting ...
1
vote
1
answer
265
views
Blitting GStreamer's decoded buffer into a Unity render texture
I'm working on a Unity native plugin that runs a gstreamer pipeline in the background, decodes it using hardware decoding, then copies the texture over to a render ...
0
votes
2
answers
118
views
Skybox looks distorted when camera nears sides of the cube
I created a cubemap for skybox, but there were problems with displaying UV for it. when I appear in the world, everything looks fine as it should, BUT when I approach one of the sides of the cube, its ...
- 1
0
votes
1
answer
313
views
How to use gather offsets
I have this situation where I have parts of the same scene in each 4 half squares of a rendertarget rendered with the same view projection matrices. In my deferred pipeline I would like to sample with ...
- 139
1
vote
2
answers
259
views
How to use unconventional texture format
I would like to use a texture that could have more than 4 channels.
I have seen a post where they use a single channel R8 texture to store string chars.
I'm thinking of using something like that with ...
- 139
0
votes
1
answer
92
views
Screen position in Deferred Shading
I am trying to implement a program in Direct3D 11 which uses techniques like deferred shading and shadowmapping, but when I create my gBuffers, the position looks strange. After researching a bit I ...
0
votes
2
answers
72
views
error X3671: loop termination conditions in varying flow control cannot depend on data read from a UAV
I have a problem with converting my pixel shader to compute shader.
The error is in this piece of code:
...
- 139
0
votes
0
answers
46
views
using texture as variable
I was trying to use a texture as a variable in my shader (DX11 VS/PS 5.0). Can't get it.
I have recently find this piece of code here where a texture is passed as a function parameter.
Is that ...
- 139
0
votes
1
answer
65
views
Vertex sorting to match triangle list definition of an hexagon
I’m working on a project to display molecules with DirectX that I’m updating regularly to add visual effects. The one I’m working on is simple: display a flat transparent hexagon that match a ...
- 139
0
votes
1
answer
87
views
Rotation is happening in reverse when the cube is upside down
I am writing this functionality in DirectX to rotate cube using the mouse. Now the functionality is working perfectly fine when the cube is sitting straight, but mouse functionality is reversed when ...
- 1
1
vote
1
answer
612
views
Difference between Command Lists and Deferred context
I'm new to DirectX and I feel like I killed Google search but still cannot find information about the difference between these:
Immediate context + Command Lists
Immediate context + Deferred context (...
1
vote
1
answer
137
views
What am I doing wrong with this BC7 reading?
I need to import a BCn image without any existing libraries. Thus, I have to write my own reader. This has gone fairly well so far for BCs 1-5 (don't need BC6), but now BC7 is causing a problem.
As ...
0
votes
1
answer
48
views
Little problem with offsetting transformed vertex in a vertex shader
I’m working on some home-made menu stuff under DX11. I’m creating the rect menus at start all located at position 0,0. Each menu contains some lines of options. Everything is created as transformed ...
- 139
0
votes
1
answer
147
views
Looking for an advice on how to possibly boost my compute shader
I have 4 rendertargets R10G10B10A2 each being used to store color and normal in a compact double RGB 555 bits format. When I'm doing the lighting pass I'm obliged to have extra rendertargets because ...
- 139
0
votes
1
answer
45
views
Object stuck to screen no matter what eye position is used
I've run into an issue when trying to write a simple rendering program in D3D11. I'm 90% sure it's to do with some faulty matrix multiplication or generation, but I've tried debugging the values of ...
0
votes
0
answers
454
views
Message pump and D3D11 DXGI in separate threads
I have read:
https://learn.microsoft.com/en-us/windows/win32/direct3darticles/dxgi-best-practices#multithreading-and-dxgi
https://learn.microsoft.com/en-us/windows/win32/direct3ddxgi/d3d10-graphics-...
- 1
1
vote
1
answer
120
views
Last hole artifact in screen space refection with Hierarchical Z
After lot of efforts I have an almost nice shader doing SSR with HiZ. The shader is provided below. Some parameters are tunable and you can speed up things but the difficulty in my scene (picture) are ...
- 139
0
votes
2
answers
777
views
3
votes
1
answer
272
views
How Can I Match the Windows Cursor Latency with a DirectX Rendered Cursor?
My Win32/DirectX 11.1 project requires that I render the mouse cursor myself rather than use the system cursor. This is easy enough; however, I've found that there is a human-perceptible latency when ...
0
votes
1
answer
80
views
Trying to debug slow DrawIndexed calls. 0.1+ms CPU usage per call
I have just been reworking my rendering pipeline. There is an issue I had noticed cropping up during this work but now its become constant and I cant figure out the cause.
Every call to ...
0
votes
2
answers
571
views
Handling pipeline objects in both DX12 and Vulkan like graphics APIs
I have been using OpenGL and Directx11 extensively for my engine. The thing is, when I wanted to support DX12 or Vulkan, I realized that they collect all the state data in one place, removing the ...
0
votes
1
answer
324
views
How to generate mipmaps with min value sampling for Hierarchical Z test (HiZ)?
I'm on the way to add HiZ to my SSR protocol as explained here
I would like to use generatemip, but can't find how to select sampled pixels based on a min value ...
- 139
1
vote
1
answer
854
views
Would you ever need multiple D3D11 devices?
I'm programming a rendering engine, and I'm considering whether on not I would need to implement the availability to call D3D11CreateDevice() multiple times to get ...
- 21
0
votes
1
answer
338
views
What would be a correct ID3D11Query design for occlusion testing?
I've tried looking for tutorials or samples related to the topic - but all that I could find are either scientific papers or vague posts on forums.
As I understand it - I need to dedicate a whole pass ...
- 1
0
votes
1
answer
188
views
d3d11 compute shader compile failed
I want to comiple a compute shader from text, but it failed with 0x8e16d728 error.
...
- 15
1
vote
2
answers
211
views
D3D11 Indices are Messed Up and Doesn't Follow my Primitive Topology
I am attempting to create a cube but I have been stuck on this for a very long time to no avail.
My results look like this:
All of my indices are messed up! Some are connected to the wrong vertices ...
- 150
0
votes
1
answer
198
views
Why would some assets require a transposed TBN matrix?
I'm writing an OpenGL/DX11 Windows/Linux "engine" and I've encountered a confusing behavior in DX, specifically. For math, I'm using GLM, which means all of my HLSL ...
- 103
0
votes
1
answer
157
views
Scaling and offset problems with screen space reflexion in DX11
I've transposed from OpenGL to DX11 a SSR ray marching shader (code found here : https://community.khronos.org/t/screen-space-reflections/69987). It seems to work well but I have had an initial ...
- 139
2
votes
1
answer
201
views
Depth func LESS EQUAL not working as expected
How is it possible that a fragment is generated, passes the depth test but isn't written to the current render target?
This is the pixel history I see if I capture a frame in RenderDoc:
The fragment ...
- 141
0
votes
1
answer
49
views
ZBias trouble with alternative cubemap shadow method
I find two methods to produce cubemap for shadow both using the same geometry shader to draw each of the 6 faces. The first one writes in the depth buffer only and is used like this (really I thanks ...
- 139
0
votes
1
answer
253
views
How do I offset a texture pointer in order to store an array of D3D11_SUBRESOURCE_DATA?
I'm attempting to load a sequence of frames from a GIF into a Texture2DArray using stbi_load_gif_from_memory which returns a ...
- 2,065
0
votes
0
answers
148
views
Problem with geometry shader and srteamout (directx11)
I'm starting with geometry sahder to simply transform vertex pos/norm in world space and pass this to ouput vertex buffer for sequential rendering.
A unique original model is created with position ...
- 139
0
votes
1
answer
19
views
Deffered shader with alpha : orient target writing
I have this bit of shader code to orient SV_target writing depending on alpha value
for SV_Target0 : color0 = (input.a == 1)? float4(some value) : float4(0,0,0,0);
for SV_Target1 : color1 = (input.a ...
- 139
0
votes
0
answers
21
views
After drawing the scene with the deferred shader, I want to draw an object to be alpha blended, but it doesn't work
After drawing the scene with the deferred shader, I want to draw an object to be alpha blended, but it doesn't work.
This is the current drawing order
...
- 11
0
votes
1
answer
60
views
Depth does not writes in texture
I am doing volumetric fog. In the first pass I write down the depth of the front polygons of the cube, in the second pass I write down the depth of the back polygons of the cube, in the third pass I ...
- 215
0
votes
0
answers
47
views
Do D3D11 / Metal / Vulcan programs commonly use upload/buffer threads?
I am porting an older OpenGL ES 2 program to more modern APIs (DX11/Metal/Vulkan, let's say.) The existing code uses a dedicated uploading/buffering thread (via a "share context") to upload ...
- 101
0
votes
1
answer
341
views
Cascaded Shadow Maps - Handling shadows that cast into different cascades
For example I have 3 shadow cascades. A shadow is cast by a hill in my 2nd cascade, but the shadow itself is cast into not only the 2nd cascade but also the 1st. In the shader program, in order to ...
- 21
0
votes
1
answer
128
views
I can't render faces properly in my DirectX11 project
For some reason, only back-faces are rendering, even if I set the rasterizer and stencil buffer and state to any values. Setting D3D11_CULL_NONE, ...
