A programming library (known as a "wrapper") enabling the use of DirectX in the .Net framework, thus making it possible to use DirectX in managed code, like C#. The lead developer of SlimDX is Promit Roy.
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72 views
How do I learn to develop a Direct2D application in SlimDX using C# [closed]
I'm an intermediate web developer who is experienced with C# and I am looking into becoming a game developer and designer. I have decided that I want to develop a simple 2D RPG.
I'm having a hard ...
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0answers
87 views
Numerically stable(ish) method of getting Y-intercept of mouse position?
I'm trying to unproject the mouse position to get the position on the X-Z plane of a ray cast from the mouse. The camera is fully controllable by the user. Right now, the algorithm I'm using is...
...
3
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1answer
199 views
D3DXMatrixDecompose gives different quaternion than D3DXQuaternionRotationMatrix
In trying to solve this problem, I tracked down the problem to the conversion of the rotation matrix to quaternion. In particular, consider the following matrix:
-0.02099178 0.9997436 -0.008475631 0
...
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1answer
212 views
ERROR #342: DEVICE_SHADER_LINKAGE_SEMANTICNAME_NOT_FOUND
I've stared at this for at least half an hour now and I cannot figure out what directx is complaining about. I know this error normally means you put float3 instead of a float4 or something like ...
1
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2answers
527 views
Sharing a texture resource from DX11 to DX9 to WPF, need to wait for DeviceContext.Flush() to finish
I'm following these instructions on TheCodeProject for rendering from DirectX to WPF using D3DImage.
The trouble is that now that I have no swap chain to call Present() on -- which according to the ...
2
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1answer
287 views
How to handle input for both UI and game
So I originally had my input system set up with only the game part in mind. It listens to keyup/down events, marks the key as pressed/unpressed and then when the next update comes around, it sends ...
1
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1answer
125 views
Vertex data from a buffer
I'm using a geometry shader to generate polygons for my voxel terrain (marching cubes). The data is output into a buffer using the method shown in the article I link to below.
...
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0answers
277 views
Problem loading shaders with slimdx
I'm attempting to load an FX file in slimdx, I've got this exact FX file loading and compiling fine with XNA 4.0 but I'm getting errors with slimdx, here's my code to load it.
using ...
0
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1answer
669 views
Changing the culling mode in the HLSL effect
I'm writing a cel-shading effect in HLSL and Direct3D 11, and I need to be able to flip the culling mode on the outline pass of the effect. I know you do this in XNA by setting CullMode to CW or CCW ...
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1answer
499 views
Question about mipmaps + anisotropic filtering
I'm a bit confused here and maybe someone can explain this to me. I created a simple test texture for my terrain which is nothing more than a solid green color with a black grid overlayed on top of ...
0
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1answer
234 views
Why do I get an exception when playing multiple sound instances?
Right now, I'm adding a rudimentary sound engine to my game. So far, I am able to load in a WAV file and play it once, then free up the memory when I close the game. However, the game crashes with a ...
1
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2answers
341 views
DirectX Flicker
I'm using DirectX 9 via SlimDX (C#). My screen flickers a lot during rendering. I dug a little deeper and see that the surface is being cleared early. Here's an example:
...
7
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2answers
844 views
Calculating a quaternion so a bone points in a specified direction
In an attempt to solve this question, I decided to figure out the absolute (world space) directions of each joint in the source pose (as normalized unit vectors), and then rotate the joints of the ...
0
votes
1answer
459 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
331 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 ...
2
votes
3answers
873 views
Tutorials for Managed DirectX development? [closed]
Are there any good tutorials, for someone new to DirectX development? I'd like to use the SharpDX library in a project, but am completely new to this sort of graphics programming. I'm looking for a ...
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1answer
111 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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0answers
758 views
XNA Gaussian blur on SlimDX
I am trying to implement the bloom effect, available in XNA http://create.msdn.com/en-US/education/catalog/sample/bloom, but with SlimDX and directX9.
My problems begin with the gaussian blur, ...
3
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1answer
395 views
Learning to code first game, few questions on basic game development and 3D
I've been programming for a while, and I'm concurrently learning how to make a basic game and slimdx, and wanted to talk to someone to hopefully get a few pointers. I've read that Tetris is the ...
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2answers
1k 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, ...
2
votes
2answers
806 views
2D overlays in 3D environments
For a 2D overlay in a 3D environment using DirectX, is the 2D overlay still coded as a surface in 3d always positioned in front of the camera?
I haven't tried this yet but I imagine that technique ...
5
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2answers
3k views
Is using SharpDX or SlimDX easier than using DirectX directly from C++? [closed]
I decided to learn to program in DirectX yesterday, and, not being a huge C++ fanatic, went looking for a .Net wrapper. After reading about SlimDX and SharpDX, I decided I liked what the SharpDX ...
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3answers
174 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 :
...
9
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1answer
3k views
Is SharpDX mature enough to adopt yet or should I just start using SlimDX right now?
I'm about to stop my game-project in XNA because from what I can gather it's development is coming to an end (and it's already behind current technology). Therefore, I need to adopt a new framework or ...
4
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2answers
1k 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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366 views
Anti-aliasing with Direct2D and Direct3D Interoperability
I am trying to create a CAD drafting application that uses Direct2D to draw all the 2D graphics and uses Direct3D for all the 3D graphics like engine or machine etc.
I am using Direct2D and Direct3D ...
4
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1answer
1k 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 = ...
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1answer
126 views
How to prevent a certain textured quad from the effect of the pixel Shader at the run time in slimdxdirect3d9 or directx9?
I am having a video and and image slide show being rendered simultaneously. Both video and the image is being rendered by the help of texture and two different quads. Video is being rendered on the ...
0
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1answer
769 views
How to resize an image texture according to the size of a sprite in directx9 or slimdxDirect3d9?
I want to know that is there any way of resizing our texture to the size of a sprite in slimdx direct3d9 or directx9. That is if my image size is 1024x768 and sprite size is 500x500, how can i resize ...
3
votes
2answers
1k views
What is the “DirectX for Managed Code Update”?
I came upon this site while looking for information about working with DX in managed code and saw that MS released something containing a 'DirectX for Managed Code Update'.
This sounds promising but ...
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0answers
1k views
Directshow VMR9 Allocator presenter present image problem
I am working with DirectShow for video playback and trying to get the video displayed on a D3D9 texture via SlimDX. I am using IVMRSurfaceAllocator9, IVMRImagePresenter9 for getting a surface from the ...
3
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1answer
460 views
Why do Pool.Default D3D volume textures take memory from my process?
I am working on a Direct3D rendering application that uses a lot of texture RAM. I notice that if I allocate a Pool.Default volume texture:
_texture = new VolumeTexture(device, size.Width, ...
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2answers
380 views
DirectX 10 - determining if hardware device is available
I am writing an offline renderer using SlimDX and Direct3D 10 that will need to be run on machines without graphics cards (servers). On these machines, I'll be using the WARP software renderer.
Is it ...
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1answer
155 views
Where is ID3D10EffectShaderResourceVariable::SetResourceArray in SlimDX?
I don't know if I'm just not looking in the right place, but I can't find ID3D10EffectShaderResourceVariable::SetResourceArray anywhere in SlimDX.
Anyone have any idea how I should be calling this?
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459 views
Problem of tearing in Slimdx and DirectShow video
I have written a video player using SlimDX and DirectShow which is displaying the video on a SlimDX texture.
I am extracting the video frames using the ISampleGrabberCB interface from DirectShow and ...
3
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2answers
2k views
How can I draw multiple lines connected via “nodes” with SlimDX?
I currently read out XML data with the following scheme: Position x,y,z
I try to add one new Vertex for each position node and add it to a Vertex array.
Then I try to render this list of vertices so ...
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1answer
607 views
Multiple Render Targets not saving data
I originally posted this question on stack overflow, but realised it might be better here. The original question can be found here
I'm using SlimDX, targeting DirectX 11 with shader model 4. I have a ...
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1answer
219 views
Problem while loading an image for a texture
I have built a slideshow in slimDX and is scrolling a text at the bottom of the images. But I am running through a problem that when my new image is loaded in by the help of Texture.FromFile() ...
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0answers
462 views
How can I run the pixel shader effect?
Stated below is the code for my pixel shader which I am rendering after the vertex shader.
I have set the wordViewProjection matrix in my program but I don't know to set the progress variable i.e in ...
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vote
2answers
866 views
Pixel Shader Giving Black output
I am coding in C# using Windows Forms and the SlimDX API to show the effect of a pixel shader. When I am setting the pixel shader, I am getting a black output screen but if I am not using the pixel ...
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2answers
454 views
How to do gradient transitions using slimdx?
I am making an image slide show using slimdx and c#. Till now I have done transitions using the matrix transformation but now I am trying to make transitions using some gray scale background image.
...
4
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1answer
229 views
Why does PIX suggest my frames are rendering out of order?
When my application goes into a fullscreen state my movement is not smooth. It seems like frames are not rendered in the correct order, doing something like: 1, 3, 2, 4, 6, 5, ...
making the movement ...
2
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1answer
587 views
Mesh with Alpha Texture doesn't blend properly
I've followed example from various place regarding setting OutputMerger's BlendState to enable alpha/transparent texture on mesh. The setup is as follows:
var transParentOp = new ...
3
votes
2answers
1k views
Understanding DeviceContext and Shaders in Direct3D/SlimDX
I've been working through this tutorial about drawing triangles with SlimDX, and while it works, I've been trying to structure my program differently than in the tutorial.
The tutorial just has ...
5
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1answer
2k views
XNA or SlimDX (DirectX 10) for multitouch rhythm game simulator
I'm looking to develop a multitouch rhythm game in C#. It is aimed to be a simulator for an existing arcade game, similar to this: http://www.youtube.com/watch?v=TAiNNpA3wwg So far, I've decided on ...
2
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2answers
1k views
How to load a mesh from the .X-format in DirectX10 via SlimDX?
As of DirectX10, the usual functions to load a mesh in the .X-format are marked as deprecated and they are DX9 functions anyway. How can I load a mesh from the .X-format into an ID3DX10Mesh object ...
