Tagged Questions
DirectX 11 is the primary graphics API for Microsoft platforms including Windows, Xbox One, and Windows phone.
0
votes
1answer
27 views
Can't load own .obj-files from Blender to DX11
I'm currently trying to import objects to my game. My problem is that I'm able to load objects from online-sites but it doesn't work for my own objects. It gives me an error:
Debug assertion ...
-1
votes
0answers
15 views
Creating a new model [closed]
I am trying to create a second new model and it isn't working. Could some one tell me what I am doing wrong? All it does is show one square.
void Application::Initialize()
{
XMMATRIX transform = ...
0
votes
1answer
47 views
DirectX 11 Problem with texture loading
I am trying to load a texture into my 3d graphics application. I am having trouble with my sampler state specifically. There are no errors generated just my little popup window saying, "Texture failed ...
0
votes
1answer
48 views
Zoom at a specific point using Orthographic camera
Currently I can perform Zoom which seems to be working fine but essentially what I'm really trying to do is zoom on a position offset from center as currently when I zoom then zoom is performed at the ...
3
votes
1answer
63 views
Why is quad rendered at the center (0,0) instead of top left when using orthographic projection
I have been trying to render a quad(containg a texture) using orthographic camera so that the quad can be rendered using the screen coordinates directly.
I started of by rendering just a triangle ...
0
votes
1answer
36 views
Windows 10 User has only DX 10.1 API
A user of ours has an issue whereby they cannot run our application, which requires DX11 API support and hardware support for DX10.1. The strange this about this issue is that the user is running ...
2
votes
0answers
102 views
+50
Struggling with simple orthographic projection for a 2D setup
I'm trying to build a simple setup for 2D using SharpDX. Basically I want to supply my vertices in classic Cartesian coordinates: X-right, Y-up, starting with (0,0) in bottom-left corner. I've had ...
0
votes
0answers
19 views
D3D11 Weird Tessellation patterns
I'm having a very peculiar problem regarding quad-patch tessellation. I'm building a planetary renderer using spherified cube and chunked LOD (6 quadtrees, 1 per original cube face). I have reached a ...
0
votes
0answers
9 views
GBuffer and SMAA
I am doing my rendering engine.
It contains GBuffer that has no subsamples (only 1 sample per pixel).
I added FXAA post-processing filter and it works good.
I decided to do better and after some ...
0
votes
1answer
19 views
Is it possible to use mipmaps with dynamic textures in Dirext 11?
I was trying create a texture with D3D11_USAGE_DYNAMIC and MipLevels equal to 0 (to create all the mip levels). However, the texture failed to be created. Is it possible to use mipmaps with dynamic ...
1
vote
1answer
26 views
How do I toggle color writes in SlimDX 11/Direct3D 11 with FeatureLevel 10?
I'm having trouble setting the RenderTargetWriteMask field of a RenderTargetDescription struct. I simply want to toggle color writes but every time I try to enable the the color writes are changed ...
1
vote
1answer
36 views
Doubts with results of per-vertex lighting shader
I'm researching simple shaders to add to my DirectX 11 project such as a per-vertex diffuse shader plus specular reflection component.
I'll begin with the results:
Seems specular reflection is ...
0
votes
0answers
25 views
Why does Intel Graphics Monitor crash after I set a depth stencil state in my Direct3D 11 application?
I'm programming a managed Direct3D 11 application with SlimDX. I want to use Intel Graphics Monitor to capture draw calls for a single frame. When I try to set a depth stencil state my application ...
0
votes
1answer
20 views
Why does PIX crash while creating render target views in my D3D11 application?
I'm trying to use PIX to debug my Direct3D11 application. PIX crashes and gives the following stack trace:
Frame 000001 ........PRE: <this=0x054338e0>IDXGISwapChain::GetBuffer(0, ...
0
votes
0answers
19 views
SlimDX 11: Setting Multiple Render Targets
I'm using SlimDX 11 in my managed Direct3D application. I would like to implement deferred shading. I'm having trouble when I try to set a depth stencil surface and multiple render targets at the same ...
0
votes
0answers
41 views
Why won't my object go 3D DirectX11?
I am trying to make a 3d mesh within my code. For some reason it looks deformed, which makes no sense because I specified the vertices correctly I am pretty sure. Also sorry that I am posting loads of ...
0
votes
0answers
19 views
Driver crash creating vertex buffer
I am starting working on my first D3D "framework" but I get a driver crash (in nvwgf2um.dll) when creating a buffer. I have latest NVIDIA driver
ID3D11Buffer* ...
0
votes
1answer
33 views
D3D11CreateDevice leads to syntax error [closed]
I'm following the book Introduction to 3D Game Programming with DirectX 11 by Frank Luna (link) and I'm trying to make the empty project in Chapter 4 (don't worry, I don't expect you to read the book)
...
1
vote
0answers
21 views
HLSL Buffer<> Data Type
I'm working on converting a dx11 shader from a .fx file for use in Unity3D and I'm a little puzzled by the HLSL Buffer<> type declared in the shader. More specifically, what are these and how can I ...
0
votes
1answer
47 views
Retricting movement to 3D axis
A cube is constructed in a 3D and can be rotated to view any side. I want to be able to drag the cube to any position with the mouse while keeping the Y-coordinate the same. I used project and ...
0
votes
1answer
39 views
Sampling in the Compute Shader not working
I'm trying to sample a image in the compute shader.
My code is
[numthreads(1, N, 1)]
void VertBlurCS(int3 groupThreadID : SV_GroupThreadID,
int3 dispatchThreadID : ...
0
votes
2answers
125 views
Screen point to world space conversion
I have a 3D cube that can be rotated with the mouse to show any side of the sphere.I want to be able to click a point on the cube and draw a circle around that point at a fixed height(so i dont need ...
0
votes
0answers
32 views
How can I write the depth buffer to a texture in D3D?
How can write the depth buffer to a texture? I see a lot of OpenGL examples, but I'm looking for one using Direct3D 11.
6
votes
1answer
174 views
How can I speed up this HLSL shader?
I have written a lighting shader file that is used as the fragment shader part of a deferred lighting pipeline.
Unfortunately, each iteration seems to be adding 0.5ms to my frame time, so any more ...
0
votes
0answers
28 views
Geting contents of index bufffer
I would like to copy the contents of an index buffer into the system memory. ie get the array of indices used for the rendering. How would i go about this in directX11? i searched the interweb but ...
0
votes
1answer
45 views
Storing and rendering Mesh Data in stl container
I'm trying to refresh my DirectX11 knowledge, and ran into a problem while trying to render multiple meshes instanced.
What I want to do is give my ObjectManager class the name of an .obj file and it ...
3
votes
2answers
48 views
DirectX11 Using Multiple Shaders
I currently have a scenario where I am rendering terrain with a shadow map. I have two passes, one for the depth buffer to create the shadow map (which is rendered to a texture) and a second that ...
1
vote
1answer
37 views
picking 3D objects rendered using instancing
i have a peice of code that renders a 3D image, say a cube. I require 3 cubes in in different locations, this is done using instancing and i am able to render the cube in 3 different locations. ...
1
vote
0answers
44 views
How can I prevent other applications from interrupting my game's exclusive fullscreen mode?
I am developing a game using D3D 11.
When I got a pop-up message from a chat client (HipChat), my game's full screen mode is disabled because IDXGISwapChain::Present returns DXGI_STATUS_OCCLUDED. ...
3
votes
1answer
52 views
Vertex normals in the geometry shader using directx
I'm in directx 11 with the geometry shader.
Is is possible to calculate vertex normals? Just one like segment per vertex? In the geometry shader?
I did vertex normals per face, this is what I got,
...
0
votes
1answer
35 views
Distance per mesh in HLSL directx
I'm subdividing a sphere so when distance gets greater, the sphere is subdivided less to save memory.
The sphere changes to another sphere when the distance is 10. My problem is that only one ...
0
votes
1answer
43 views
Full screen quad in the HLSL Directx 11
I want to create a full screen Triangle/Quad so I can blur the box that is the quad I made. I want to do this in the vertex buffer. I tried this code:
struct VSQuadOut {
float4 position : ...
1
vote
2answers
90 views
Does Direct3D 11 enable Z-clipping/discard by default?
I'm rendering simple 2D figures in DirectX 11.1 and I cannot get Z-values to be rendered; all pixels with Z != 0 get discarded. I'm doing proper world transform as far as I know. X/Y translations ...
1
vote
0answers
77 views
Using linestrip and geomtry shader for a ribbon trail effect? Problem with vertex orders
I'm using DirectX 11 and c++ and I've been trying to make a ribbon trail renderer. I was hoping to be able to not have to build every vertex on the CPU side, just keeping the, uuh, "keyframes", or ...
1
vote
1answer
95 views
How can I read the smallest mipmap back to the CPU after calling generateMips?
I'm implementing an adaptive tonemapper based on the standard "scale down the luminance map to a 1x1 texture" approach.
This is my code following the rendering of the luminance map:
//Average the ...
1
vote
0answers
32 views
Direct3D11: Directional Shadow Maps
I've recently implemented shadow maps on my project. However, I'd like to add a feature that allows the light direction to be dynamically changed, so that the terrain can be viewed using different ...
0
votes
0answers
27 views
How do I count the number of pixels that pass the depth test. stencil test
I cant seem to understand how to count the number of pixels that pass the depth test or fail. My book gives me:
if( StencilRef & StencilReadMask ⊴ Value & StencilReadMask)
accept pixel
...
0
votes
1answer
39 views
Pixel Shader from Visual Studio Graphics Diagnostics
i want to check my pixel shader variables in graphics diagnostics but unfortunately when i click start debugging in pixel history (mentioned below), a new tap will open and says source is not ...
3
votes
1answer
130 views
Efficient vertex buffer memory management?
I am building a voxel engine with a similar mechanism to minecraft(yes, I know...).
It works by loading and unloading individual chunks of 16*64*16 cubes each in a square grid around the player. This ...
5
votes
2answers
245 views
What are other sources of screen tearing?
I have a DirectX11 based engine / application that is showing screen tearing on a certain system. The system has a large TV monitor with a GTX 980 graphics card. The tearing tends to happen in ...
2
votes
1answer
66 views
DX11 Losing Instance Buffer Data [closed]
I've got a function that basically creates different instance buffers into an array for me to use in my DrawIndexedInstanced call.
But when I pass the vertex buffer and instance buffer through to my ...
3
votes
0answers
27 views
Bilinear filtering of output image in Direct3D 11
I'd like to render something at one resolution, but display it in a window at another resolution (e.g. render the scene at 640x480 and stretch it to a 1024x768 window).
Simply resizing the window ...
3
votes
1answer
89 views
Getting rid of texture bleeding
Edit: I figured out what problem I was facing, it's called Texture/Pixel bleeding, which I was not aware of yet. I posted an answer below consisting of a small description of the problem and a link to ...
1
vote
1answer
43 views
DirectxMesh obj to cmo texture coordinates off
I'm having trouble getting the texture coordinates of the cmo to match how the mesh was unwrapped in blender. I am using the directxmesh to convert the obj to a cmo and the directxtk to load the cmo.
...
-2
votes
1answer
71 views
DirectX is difficult sometimes [closed]
I recently started DirectX 11. Sometimes I can't get my head around it.
First of all what are COM objects and why we do have to release them?
I have done most of initialization, but I am stuck in ...
1
vote
1answer
30 views
Frame timer does not show time
I am currently using DirectX11 and MFC. The top of the window should tell me how long it takes to render the cube (in seconds). At the moment the cube is rendered but when I try to work out how many ...
5
votes
3answers
271 views
How to pass rendered frames from OpenGL to DirectX 11?
I have a dll that does some rendering using OpenGL. I need to render it to a texture and use that texture in direct x 11. My current attempt has been to render the OpenGL to a texture on one ...
2
votes
0answers
89 views
Scene Graph: Does anybody have a real world example?
I'm trying to wrap my head around how scene graphs work, and how to apply that to my game, in the context of all my game objects, including assets, cameras, units, shaders, etc.
All I can find are ...
1
vote
0answers
62 views
HLSL screen-space to world-space
I'm trying to use RenderDoc to understand how a DirectX11 game engine's vertex shader works, and ultimately recover the world-space positions of vertices. I have captured a frame using RenderDoc, and ...
1
vote
0answers
38 views
applying two Vertex shaders on two model with the same pixel shader
i want to apply two HLSL vertex shader on two different models but with the same pixel shader. what i've done is wrong but i didn't know how can I use both vertex shader with one pixel shader (and i ...
