Questions which are specifically related to version 9.0 of DirectX SDK. If your question is not specific to this version of SDK (i.e. it could apply to DirectX 10 and 11 as well), use the 'directx' tag.
1
vote
1answer
152 views
Sharing the effect
my problem is :
If I load 2 models ( the same model zombie ) and give them the same effect I got the following error :
for(int i =0 ; i<2 ; i++)
{
dwarfModel[i].model ...
0
votes
1answer
306 views
How can I render multiple windows with DirectX 9 in C++?
I'm trying to render multiple windows, using DirectX 9 and swap chains, but even though I create 2 windows, I only see the first one that I've created. My RendererDX9 header is this:
#include ...
5
votes
2answers
219 views
DirectX9 thread lock problem with “present” and background loading new textures
Given:
Selfmade 3D engine based on DirectX9 written in C++
Task:
While render loop runs load additional textures in a background thread
Current Implementation:
- Create device with ...
2
votes
2answers
85 views
Replacing 4 additive sprite layers with a single shader. Just can't get it right
I'm using directx9 and have 4 textures I want to draw on top of each other. if I do this:
PDevice->SetRenderState(D3DRS_SRCBLEND,D3DBLEND_SRCALPHA);
...
5
votes
1answer
110 views
What does HLSL's tex2D return at (0,0)?
I'm trying to understand the mapping of texels to pixels, especially in the context of pixel shaders. I already found out the following:
When I define a standard quad with vertices at integer ...
0
votes
1answer
94 views
Why can a certain DirectX mode produce display lag?
I have written two small test games using DirectX 9. One uses
presentParams.Windowed = false;
presentParams.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
and the other one uses
...
0
votes
0answers
11 views
DirectX FVFData tags in X Files
I'm trying to read and ultimately write a mesh from/to file. This mesh has 2 sets of texture coordinates. The second set I know are held within the FVFData{} block of the .x file. The second set of ...
2
votes
1answer
93 views
UV Atlas Generation and Seam Removal
I'm generating light maps for scene mesh objects using DirectX's UV Atlas Tool( D3DXUVAtlasCreate() ). I've succeeded in generating an atlas, however, when I try to render the mesh object using the ...
1
vote
1answer
86 views
Light Map Generation using DirectX
I'm trying to build lightmaps for an engine I'm working on. I'm using DirectX 9 w/c++ but my questions are related to the methodology behing the generation of light maps.
I have a scene built from ...
1
vote
1answer
84 views
Efficient way to draw multiple separated quads
Let's assume I want to draw several separated (possibly textured) quads in Direct3D 9, each consisting of two triangles:
How should I draw these for maximum performance, i.e. which of the following ...
3
votes
1answer
140 views
Vertex Buffer Sharing between DirectX11 and Directx9
In my d3d9 engine i want to take benifit of compute shader of d3d11. So firstly I created a vertex buffer in d3d11 with D3D11_BIND_UNORDERED_ACCESS and then tried to create the d3d9 vertex buffer ...
1
vote
1answer
76 views
How to set a global alpha-blending value in Direct3D 9?
Is it possible to set an alpha value globally in Direct3D 9, which modulates the pixel alpha values of every subsequent draw?
I would like to let a whole scene fade in/out. I know that for example ...
3
votes
3answers
401 views
How to implement marching cube algorithm for rendering clouds
I would like to render clouds using C#, directX9.0
using Microsoft.DirectX.Direct3D;
using Microsoft.DirectX;
Now I have roughly add and render the vertex as per below:
As you can see, the ...
1
vote
1answer
64 views
Whats the point of this LPDIRECT3DDEVICE9 reference?
I'm going through the DirectX 9 MSDN documentation
Which lead me to something rather peculiar, do you need a class reference in DirectX 9?
Can someone tell me what the point of the class ...
1
vote
2answers
117 views
how to set image resource path for D3DXCreateTextureFromFileEx method?
I try to merge all the image resources to a folder called resource. So, set image path as "resource/" but my directX framework only works if I compile at VS 2010. If I run from the debug folder it ...
