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.
7
votes
3answers
274 views
Isometric smooth fog
I'm working on a simple 2d game with direct3d 9. It's a isometric game with diamond tiles and a staggered map. This is what I have:
As you see I have some kind of fog which is acomplished by having ...
0
votes
0answers
19 views
Source Rects For Rendering 3D Objects
I'm trying to render quads that use spritesheets, however I can't seem to figure out how to get certain parts of a single image. I know the DirectX9 SpriteManager has a srcRect that you pass in when ...
0
votes
2answers
81 views
How can I capture every frame in DirectX 9 using a shader
This is actually a follow up to this question
How to capture the screen in DirectX 9 to a raw bitmap in memory without using D3DXSaveSurfaceToFile
The proponent of the best solution suggested that I ...
1
vote
1answer
87 views
Direct3d - Code structure
I'm learning directx in a master's degree and they taught us to have a GraphicsLayer class which is the one connecting with the direct3d library. That way this class is completly independent from the ...
1
vote
0answers
92 views
DX9 Deferred Rendering, GBuffer displays as clear color only
I'm trying to implement Catalin Zima's Deferred Renderer in a very lightweight c++ DirectX 9 app (only renders a skydome and a model), at this moment I'm trying to render the gbuffer, but I'm having a ...
1
vote
1answer
52 views
Inter Quake Model IQM render Directx9
I'm trying to render an Inter Quake Model(http://lee.fov120.com/iqm/) in DirectX9 that I exported from blender.
I want to display animations which IQM supports and my model format does not.
The ...
3
votes
3answers
228 views
How to capture the screen in DirectX 9 to a raw bitmap in memory without using D3DXSaveSurfaceToFile
I know that in OpenGL I can do something like this
glReadBuffer( GL_FRONT );
glReadPixels( 0, 0, _width, _height, GL_RGB, GL_UNSIGNED_BYTE, _buffer );
And its pretty fast, I get the raw bitmap in ...
5
votes
1answer
174 views
Partial Shader Signatures HLSL D3D11 C++
I had been debugging a problem I was having in a single shader file with 2 functions in it. I'm using DirectX 11, vs_5_0 and ps_5_0. I have stripped it down to its basic components to understand what ...
1
vote
0answers
62 views
How should VertexBuffers be used with Multiple Monitors in DirectX 9
I am currently using DirectX 9 on a machine with two GPUs and three monitors. I am currently trying to draw a triangle on each monitor using vertexbuffers; A directx helloworld with multiple monitors ...
2
votes
2answers
193 views
CreateRenderTarget returns 0x80070057 in big surface resolution
I have created the SLI merged desktop of three 1920x1680 monitors, so the desktop resolution is 5760x1080.
There is a 0x80070057 error, while calling CreateRenderTarget to create the RT_Surface:
...
2
votes
3answers
352 views
Rain effect using DirectX 9 capabilities
Is it possible to achieve something similar to nVidia's rain demo using only shader model 3.0 capabilities? If yes, could you point out a few documents/web resources that are suitable candidates and ...
4
votes
1answer
366 views
Rendering a Sprite with an Effect… how?
gettings tuck doing some 3d Rendering and I think you guys may have a lot more knowledge in it. I am tasked with basically rendering a texture onto a screen, preparing the way to apply graphical ...
0
votes
1answer
147 views
Reducing the level of detail of a mesh
I am importing an extremely detailed mesh (provided by a client) and it consists of something like 16 million triangles. For rendering performance I've been using the ID3DXMesh interface's Optimize ...
6
votes
1answer
210 views
What elements of D3DPRESENT_PARAMETERS MUST be set?
DIRECTX9...
For ages, I've shipped games that only half-fill out the D3DPRESENT_PARAMETERS structure, and now I'm wondering if this is buggy. The items I'm worried about, and never set are:
...
0
votes
1answer
120 views
How can I keep straight alpha during rendering particles?
Rencently,I was trying to save textures of 3D particles so that I can reuse the in 2D rendering.Now I had some problem with alpha channel.Some artist told me I that my textures should have ...
