All Questions
11 questions
2
votes
1
answer
345
views
LIBGDX ShaderProgram not passing uniforms
I'm trying to implement a Shader that turns any RGB values below 190 into black.
LIBGDX code:
...
- 21
3
votes
0
answers
345
views
Strange normal mapping artifacts - OpenGL / GLSL
I have been following a few tutorials to learn some graphics programming with OpenGL, and recently implemented Normal Mapping.
It works well for the most part, especially for objects with normal-...
- 31
1
vote
0
answers
55
views
Trouble rendering shadowmap for planets
Im currently trying to create a game where you visit planets in LibGDX for Java. To do this I use a TiledMap which is basically just an array of tiles to represent the planets themselves. To get the ...
- 383
0
votes
1
answer
236
views
Simple LWJGL program renders nothing
When I run the following basic LWJGL program, all I get is a red screen due to glClearColor(1, 0, 0, 1). Nothing renders in the screen except the red background. I'...
0
votes
1
answer
532
views
Processing through multiple shaders (LWJGL/Java/OpenGL)
Very simple question: Is it possible to process a vbo through different shaders? If so, how? What I want is sth like this:
...
- 245
2
votes
3
answers
420
views
Generating 3D-like effect
I'm making a 2D sidescroller game and want to give the blocks a 3D like effect. This way it looks like the player is walking on 3D blocks while walking on a 2D plane (thus having only x,y coordinates)....
- 83
0
votes
0
answers
272
views
Slick2D shader crashes, but only after a while
I'm using Slick2D's ShaderProgram for shader-based drawing in my game. Some players report that after 3-10 minutes, the game inevitably crashes hard during what appears to be a setUniform4f operation ...
- 164
8
votes
3
answers
11k
views
How do I send multiple matrices to a vertex shader?
I'm practising animations using bones/skinning. I am trying to send the shader one matrix per vertex. I can think of these two approaches.
Method 1
I have one uniform handle for each bone matrix like ...
- 745
1
vote
1
answer
559
views
Why does my depth test fail on Nvidia cards?
I sent a test version of my in-development game to some friends, and they found out that the Depth Test in OpenGL does not work on Nvidia cards. I'm using LWJGL.
I use my own matrices and send them ...
- 1,053
4
votes
1
answer
5k
views
Access vertex data stored in VBO in the shader
If I wanted to store extra data in a VBO for skinning (indices for indexing into an array of matrices of bones and floats for applying weights to those bones) How would I go about accessing that data ...
- 73.5k
12
votes
1
answer
9k
views
How to invert background pixel's color
I'm writing a game and map editor using Java and jMonkeyEngine. In the map editor, I've got a brush done by wireframed sphere. My problem is: I want to make it visible everywhere, so I want to invert ...
- 437