The directx11 tag has no wiki summary.
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1answer
27 views
D3D11 Multiple Render Targets
I wanted to try rendering to multiple render targets as a first step to deferred shading, but I'm getting somewhat peculiar behavior where the contents of all render targets are the same as the first ...
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41 views
DX11 - Compute shader - wrong index calculation
I have volume (3D image) divided into blocks 16x16x16. Whole volume is 128x128x128. Data are stored in linear memory in my shader.
For every block, i store start index within linear memory. Now, I ...
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0answers
49 views
Geometry Shader and Stream Output with Directx11
I am having trouble trying to send verticies generated in the Geometry Shader to Stream Output. What I am trying to accomplish is to generate verticies from the Geometry Shader and store them to a ...
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1answer
54 views
How to set sprite source coordinates?
I am creating own sprite drawer with DX11 on C++. Works fine but I dont know how to apply source rectangle to texture coordinates of rendering surface(for animation sprite sheets)
...
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1answer
79 views
DX11 - Weird shader behavior with and without branching
I have found problem in my shader code, which I dont´t know how to solve.
I want to rewrite this code without "ifs"
tmp = evaluate and result is 0 or 1 (nothing else)
if (tmp == 1) val = X1;
if (tmp ...
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1answer
70 views
What are the tessellation factors Direct3D11?
I don't quite understand the documentation but if I was to tessellate a mesh using 3 control points in Direct3D11 with the "tri" domain am I right in thinking that
SV_TessFactor is how many times to ...
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1answer
104 views
What are the valid DepthBuffer Texture formats in DirectX 11? And which are also valid for a staging resource?
I am trying to read the contents of the depth buffer into main memory so that my CPU side code can do Some Stuff™ with it.
I am attempting to do this by creating a staging resource which can be read ...
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2answers
122 views
Why does calling CreateDXGIFactory prevent my program from exiting?
I'm using CreateDXGIFactory to get the graphics adapters and display modes. When I call it, it works fine and I get all the data. However, when I exit my program, the main Win32 thread exits, but ...
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1answer
101 views
E_FAIL: An undetermined error occurred (-2147467259) when loading a cube texture
I'm trying to implement a skybox into my engine, and I'm having some trouble loading the image as a cube map. Everything works (but it doesn't look right) if I don't load using an ...
4
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1answer
111 views
Memory allocation strategy for the vertex buffers (DirectX 10/11)
I'm writing a CAD system. I have a 3D scene and there are many different objects (walls, doors, windows and so on). The user can add or delete objects.
The question is: How do I keep track of all the ...
4
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1answer
125 views
Per-vertex position/normal and per-index texture coordinate
In my game, I have a mesh with a vertex buffer and index buffer up and running. The vertex buffer stores a Vector3 for the position and a Vector2 for the UV coordinate for each vertex. The index ...
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3answers
316 views
Should I go with OpenGL to see my future in Game Development industry? [closed]
Possible Duplicate:
Should I continue studying OpenGL or just switch to DirectX to give me a better chance of landing a job in the game industry?
I tried Google but found quite old ...
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0answers
62 views
D3DX11CreateShaderResourceViewFromFile returns E_FAIL
When trying to create a texture, my call to D3DX11CreateShaderResourceViewFromFile keeps returning E_FAIL. To me that's about as generic as it gets, and I can't figure the problem out. The code looks ...
3
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1answer
101 views
How best to handle ID3D11InputLayout in rendering code?
I'm looking for an elegant way to handle input layouts in my directx11 code.
The problem I have that I have an Effect class and a Element class. The effect class encapsulates shaders and similar ...
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0answers
129 views
Why can't I render text using D3D11 via SlimDX?
I am trying to render text using in the MiniTri11 sample application that comes with SlimDX SDK. I am using the SpriteRenderer & SpriteFront classes (that can generate a sprite sheet of glyphs ...
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1answer
283 views
Loading textures with SharpDX in Metro
I have converted my C# game from OpenTK (OpenGL) to SharpDX (DirectX) and have it up and running from Visual Studio 2010. I also have it up and running from Visual Studio 11 in Metro, in the Windows 8 ...
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1answer
143 views
Why does my game not update unless I'm moving the mouse?
I'm pretty confused by what's happening. Now that I've finally put something moving on my screen, I notice it doesn't update unless I move the mouse, or press a key, or trigger other events.
Using ...
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1answer
117 views
DX11 StreamOut to Vertex Buffer from GeometryShader, can't clear Buffer?
I'm trying to use a geometry shader to continuously modify the positions of vertices, and save the modfied verts in a buffer.
I have two vertex buffers, one is bound to the IA stage / the vertex ...
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1answer
240 views
Where have the Direct3D 11 tutorials on MSDN have gone?
I've had this tutorial bookmarked for ages. I've just decided to give DX11 a real go, so I've gone through that tutorial, but I can't find where the next one in the series is!
There are no links from ...
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1answer
169 views
Managing Shaders and Objects in DirectX 11
The title explains my two biggest logical problems with developing a game. It's something I sit up at night thinking about, and that is "What is the most effective way to manage shaders" and "What is ...
1
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1answer
71 views
Drawback of using multiple bind flags
As far as I understand Direct3D 11 I have to specify certain BindFlags in order to use a resource in a specific stage of the pipeline.
From my experience some combinations are more common like ...
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1answer
274 views
DirectX11, how to properly update a staging buffer with a structured buffer's count using CopyStructureCount
Alright, I'm not quite sure what is going on with my code at the moment.
I'm currently getting around to defining behavior for my particle system, and to better do this I need to know how many ...
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2answers
364 views
Adapting DirectX samples to SlimDX
I'm trying to learn DirectX and SlimDX but I'm having a terrible time getting started.
I'm taking the Triangle tutorial and trying to add color and transformations.
Starting with controlling color, ...
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0answers
140 views
Working on C++ and DX11. What should I learn next to make simple (and complex) games? [closed]
I think video games are great and I have many ideas I want to work on. I'm about 40% through a year long course in C++ and it is very fun and starting to be useful (now that we are using classes). ...
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2answers
221 views
How to deal with large depth buffer values due to extreme distances
Alright, this is semi-related to my last question here
So I've got an really big coordinate system and need to handle rendering large astral bodies from extreme distances. My current approach ...
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2answers
185 views
How do you rotate a cube map?
I'm looking for suggestions on this
Say you have a cube map. You want to rotate it as efficiently as possible.
You can render the cube map, rotate the camera, and render the scene to another cube ...
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2answers
210 views
Is the output from D3DCompile specific to one GPU, or not?
In Direct3D 11 there is a two-stage shader compilation process; you first pass the HLSL source code into D3DCompile, which outputs a "blob" of bytecode. You then take this blob and call ...
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1answer
204 views
What is the AlphaToCoverage blend state useful for?
Alright, just finished most of my early UI stuff and I wanted the windows to have some transparency. So I expanded my application to initialize and bind blend states so that my UI shader could ...
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1answer
140 views
Determine the stride of a DirectX Texture2D line?
Is there a way to determine, or preferably calculate/predict, the the stride of a line of a DirectX 11 Texture2D resource when using SharpDX?
(E.g. Can we say the stride of a line is always a power ...
2
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1answer
247 views
Why can't I write to my render targets?
Alright, been working on setting up my first deferred rendering attempt using a light prepass technique in Direct3D 11.
Anywho, I've been having problems understanding and using render targets. Never ...
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3answers
252 views
Which of these DirectX11 calls actually sends data to the GPU?
I'm trying to learn graphics programming and DirectX11.
I'm trying to learn how to minimize CPU-GPU transfer and graphics programming in general.
I have a question that I have been unable to answer ...
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1answer
198 views
How to fix odd artifacts at the edges of textures in DirectX 11?
In my DirectX 11 project, when I have textures they have odd artifacts at the edges. I've seen it before and searched online, but I can't find any DirectX examples that I can get to work.
You can ...
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1answer
267 views
Real-Time Terrain Deformation
I can't really find anything at all on this topic. There's a bunch of YouTube videos that show people doing it, but there aren't any articles that I can find explaining the mechanics of it. In my ...
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3answers
111 views
Extracting blend values from uint32 not working as expected
I have the following shader configuration code :
uint gBlendValue = 0xffffff00;
Terrain.Effect.GetVariableByName("gBlendValue").AsScalar().Set(gBlendValue);
And I have the following shader code :
...
3
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2answers
389 views
How can I convert an OBJ model into arrays of vertices and indices?
I'm writing a simple model loader just to learn how models are loaded. I wrote a program to convert .OBJ files in a custom format. (It's virtually exactly the same as .OBJ, I wrote it once again just ...
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1answer
147 views
How do I keep a triangle strip between geometry shader invocations?
I'm using a small geometry shader to build a "ribbon" from a set of points. For each point, I create 4 vertices that represent a section of the ribbon:
[maxvertexcount(4)]
void GS( point GS_Input ...
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1answer
232 views
Does the latest DirectX SDK support both Direct3D 9.0c and 11?
1) What is the latest version of DirectX SDK?
2) For my purposes I need DirectX 9.0c SDK and DirectX 11 SDK. Do I need to install these libraries separately or last DirectX SDK package contains both ...
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3answers
611 views
What features does D3D have that OpenGL does not (and vice versa)?
Are there any feature comparisons on Direct3D 11 and the newest OpenGL versions?
Well, simply put, Direct3D 11 introduced three main features (taken from Wikipedia):
Tessellation
Multithreaded ...
2
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1answer
292 views
Why can I not map a dynamic texture in D3D?
I am trying to map a Texture2D resource in DirectX11 via SharpDX.
The resource is declared as a ShaderResource, with Dynamic usage and the 'Write' CPU flag specified.
My call however fails with a ...
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1answer
253 views
Marshalling C# Structs into DX11 cbuffers
I'm having some issues with the packing of my structure in C# and passing them through to cbuffers I have registered in HLSL. When I pack my struct in one manner the information seems to be able to ...
0
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1answer
164 views
Why are my scene's depth values not being written to my DepthStencilView?
I'm rendering to a depth map in order to use it as a shader resource view, but when I sample the depth map in my shader, the red component has a value of 1 while all other channels have a value of 0.
...
3
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2answers
543 views
How can I draw dashed or dotted lines with a pixel shader?
I am trying to draw the 2D graphics (like line, polyline, polygon etc.) using Direct3D for drawing I am using LINE_LIST. Now I want to make the lines thicker and apply patterns to the line as ...
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2answers
477 views
Why would you want multiple render targets?
In d3d11, you can bind multiple render targets ID3D11DeviceContext::OMSetRenderTargets. But why would you want to do this?
4
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1answer
537 views
How do I create a CPU read/write buffer in SlimDX (what are the legal combinations of Usage and CPUAccess flags)?
Currently, I create a vertex buffer in SlimDX like so:
SlimDX.Direct3D11.BufferDescription Description = new SlimDX.Direct3D11.BufferDescription();
Description.BindFlags = ...
3
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1answer
856 views
DirectX11, how do I manage and update multiple shader constant buffers?
Alright, I'm having a hard time grasping how constant buffers are bound to a pipeline stage and updated. I understand that DirectX11 can have up to 15 shader-constant buffers per stage and each buffer ...
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2answers
370 views
Access violation in DirectX OMSetRenderTargets
I receive the following error when running the Triangle sample application for DirectX 11 in D3D_FEATURE_LEVEL_9_1:
Unhandled exception at 0x527DAE81 (d3d11_1sdklayers.dll) in ...
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2answers
773 views
What happened to .fx files in D3D11?
It seems they completely ruined .fx file loading / parsing in D3D11.
In D3D9, loading an entire effect file was D3DXCreateEffectFromFile( .. ), and you got a ID3DXEffect9, which had great methods ...
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1answer
237 views
D3D11 - Setting multiple ID3D11SamplerStates for the pixel shader stage once and leaving them be
In my Direct3D 11 application, I am using several sampler states to retrieve texture data. Some of them are used in all pixel shaders, some of them are only used in very specific ones.
The question ...
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2answers
201 views
handling errors in a framework
I'm writing a D3D11 framework and I'm trying to clean it up a little, and I'm unsure how to handle errors and return codes in my classes/code.
What is the "best" and cleanest way to implement error ...
2
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1answer
271 views
Direct3D11 feature level
If I set the directx feature level to D3D_FEATURE_LEVEL_9_3 but I have a graphics card which supports D3D_FEATURE_LEVEL_11_0 does that prevent directx11 features from working even though my graphics ...
