HLSL is a proprietary shading language developed by Microsoft for use with the Microsoft Direct3D API.
-1
votes
0answers
30 views
XNA/HLSL cone shape 2D light
I'm new to HLSL and I'm trying to create a simple light for my 2D game. I made a point light and it looks great. However now I'm trying to create a cone shape light but I just don't know how. can ...
3
votes
0answers
63 views
Custom sampling points for anti-aliasing
I'm trying to write an anti-aliasing shader in HLSL, but I can't find any way to rasterize at a custom point. (in between pixels on the screen, but not orderly like supersampling)
Is there any way to ...
0
votes
1answer
43 views
Are there alternatives to Vertex Tweening?
Now that I'm getting into animating 3D entities in my game, I was wondering what the best approach for this would be. I did some research and came across something called "Vertex Tweening". However, ...
4
votes
1answer
138 views
How can I use shaders to make a square have a waving effect?
I'm new to using shaders to do some fancy effects and I'm struggling with them. I'm using DirectX 11 and HLSL. I have this square in the middle of the screen:
It's just a square that I've created ...
0
votes
1answer
28 views
Weird rendering issue when applying lightmap through HLSL
I have a weird issue when trying to render the lightmaps in my game.
Please see the following screenshots.
Note how the scene looks up close with the lightmaps enabled.
Note how that same part of ...
3
votes
2answers
172 views
Techniques for reducing terrain shader complexity
My terrain shader does quite a bit, but I don't know how to break it up in any way that will reduce my instruction count without removing key features of the terrain. It does the following:
...
3
votes
0answers
94 views
Combining Effects
To be able to work efficiently with effects, isn't there a "good" way to combine multiple effects so that one effect handles stuff like "Multi texturing" and another controls the value like Ambient ...
1
vote
1answer
63 views
Passing multiple colors to a pixel shader in DirectX
I have a pixel shader that sets the output color based on the interaction of an input texture, sort of like:
if (case1)
{
output.Color = float4(0, 0, 0, 0);
}
else if (case2)
{
output.Color = ...
1
vote
2answers
138 views
HLSL Multitexturing with more than 4 textures
I've come up with an idea that should work in multitexturing a terrain with more than 4 textures, up to a 64 if a supported ShaderModel is used.
I'm trying to use the RGBA color values as both values ...
1
vote
0answers
88 views
tex2dlod and tex2d giving different values [closed]
I've been having trouble with vertex texture fetch for a terrain system I am implementing. I'm using C++/DirectX9.
I have already implemented exactly what I want as a prototype in C#/XNA and now ...
1
vote
0answers
96 views
How to achieve supersampling / anti-aliasing in pixel shaders?
I am trying to write a couple pixel shaders to apply to images similar to Photoshop effects. For example this effect: ...
0
votes
0answers
91 views
HLSL Triplanar texturing and multi texturing performance
I'm stuck for my terrain rendering shader code for DX9. I'm looking to implement triplanar texturing, a texture atlas, and blending between different textures. Right now it's working. The problem is ...
-4
votes
1answer
68 views
how can i improve this shader [closed]
I am trying to improve this vertex shader. I am wondering if anyone has any opinions on going about with it? Thank you.
struct VertexShaderData
{
float3 VertexPosition : POSITION;
float2 ...
2
votes
1answer
92 views
Switching to a vertex shader
TL;DR I need to switch from a vertex array passed to the pixel shader with a real vertex shader approach.
In my prototype, the terrain is procedurally generated and I have the following result:
...
0
votes
1answer
72 views
Adding Shader Model 3.0 support to my Direct3D9 app
So far, we've only used pixel shaders because we never needed to do any custom processing at the vertex shader level. However, the 3.0 model shader forces you to define a vertex shader. And that's ...
