Tagged Questions
-5
votes
0answers
54 views
Grpahic hardwares [closed]
Which vendor provides better GPGPU. my requirements are confined to rendering utilising the GPU for BSDF building for e.g. Intel started providing Ivy Bridge chipset GPU, which are comparably fast to ...
0
votes
0answers
44 views
Opengl binding shaders vs binding buffers performance
Quick question for an opengl guru, I'm in the process of building a render queue and can either reduce the number of shader binding or the number of vertex buffer binding. I just want to know which ...
0
votes
1answer
77 views
OpenGLES GLSL Shader attributes always bound to 0
So I have a very simple vertex shader as follows
#version 120
attribute vec3 position;
attribute vec3 inColor;
uniform mat4 mvp;
varying vec3 fragColor;
void main(void){
fragColor = inColor;
...
0
votes
1answer
65 views
Objects won't render when Texture Compression + Mipmapping is Enabled
[EDIT: FIXED - Calling setting texture max level fixed that]
I'm optimizing my game and I've just implemented compressed (DXTn) texture loading in OpenGL. I've worked my way removing bugs but I can't ...
0
votes
1answer
164 views
Engine and level of detail for maze / labyrinth / dungeon scene?
My question is similar to these:
Algorithm for generating a 2d maze
To scene graph or not to scene graph?
I.e. in this case should I use jme3 or some other engine (I heard unreal offers a free ...
8
votes
4answers
719 views
Fixed-Function vs Shaders: Which for beginner?
I'm currently going to college for computer science. Although I do plan on utilizing an existing engine at some point to create a small game, my aim right now is towards learning the fundamentals: ...
3
votes
2answers
659 views
How many textures can usually I bind at once?
I'm developing a game engine, and it's only going to work on modern (Shader model 4+) hardware. I figure that, by the time I'm done with it, that won't be such an unreasonable requirement.
My ...
5
votes
2answers
355 views
Sorting objects before rendering
I'm trying to implement a scene graph and in all the articles i've come across there is talk about object sorting. So you'd sort your objects by "material" for example. Now untill i sat down and ...
3
votes
1answer
372 views
GLSL default shaders
I've been arming my engine with error checking code. I'll try to describe this situation to my best abilities. Whenever i load a shader and there's an error (file doesn't exist, compilation error, ...
0
votes
2answers
175 views
GLSL shader compilation
When i'm compiling a shader does it have to be complete? Can i use glCompileShader on a shader without a main() function? The OpenGL reference documentation has a nice writeup on program linking ...
0
votes
1answer
104 views
handling buffers in OpenGL
I'm reading through the OpenGL docummentation for version 3.3 core. I'm having issues understanding proper buffer deletion.
ATM i have an object that loads itself into OpenGL memory in the ...
-3
votes
1answer
151 views
Getting the normals of a hemisphere?
I'm trying to calculate the normal for a hemisphere. I'm kinda new to opengl.
I draw the hemi-sphere by this code:
for(float phi = 0.0; phi < 1.567; phi += factor) {
...
5
votes
1answer
245 views
Difference between the terms Material & Effect
I'm making an effect system right now (I think, because it may be a material system... or both!). The effects system follows the common (e.g. COLLADA, DirectX) effect framework abstraction of Effects ...
3
votes
3answers
2k views
Should I use Game Engines to learn to make 3D games?
HI i am a software engineering student in his second-last year.
I am proficient with C,C++,C# and java programming languages, and being a student of engineering I have studied calculus, vectors etc ...
3
votes
1answer
639 views
How can I create an orthographic display that handles different screen dimensions?
I'm trying to create an iPad/iPhone game using GLES2.0 that contains a 3D scene with a heads-up-display/GUI overlaid on the top. However, this problem would also apply if I were to port my game to a ...
