Tagged Questions
4
votes
1answer
74 views
GL ES: Fragment shader optimization
Summary:
I get FPS slowdown as soon as I try to tint the sprites (i.e: multiply texture with color in the fragment shader)
Details:
Hardware: iPod touch 4
I am drawing 700 sprites on the screen ...
1
vote
1answer
104 views
Performance tracking/monitoring in games [closed]
Let's say I have an online game with a downloadable client / browser plugin.
I want to track performance of my software and automatically send summary to the server. Let it be fps, latency, load time, ...
1
vote
2answers
128 views
What calls trigger a new batch?
I am finding my project is starting to show performance degradation and I need to optimize it. The answer to my previous question and this presentation from NVidia have helped greatly in understanding ...
3
votes
2answers
849 views
Which opcodes are faster at the CPU level?
In every programming language there are sets of opcodes that are recommended over others. I've tried to list them here, in order of speed.
Bitwise
Integer Addition / Subtraction
Integer ...
3
votes
3answers
2k views
Object pools for efficient resource management
How can I avoid using default new() to create each object?
My previous demo had very unpleasant framerate hiccups during dynamic memory allocations (usually, when arrays are resized), and creating ...
2
votes
2answers
584 views
Which is worst: Too many VertexShader instructions, or FragmentShader instructions?
I want to have a better understanding of how to create shaders with optimal performance and realize where some bottlenecks can occur.
Is it usually favorable (when possible) to delegate most of the ...
10
votes
1answer
683 views
Is precomputed pathfinding still relevant?
Context
Old Lucas Arts (ScummVM era) point and click graphic adventure games used precomputed pathfinding. Here's a rough outline of the technique.
Step 1
The floor in each room was divided into ...
3
votes
2answers
2k views
OpenGL VBOs are slower then glDrawArrays
So, this seems odd to me. I upload a large buffer of vertices, then every frame I call glBindbuffer and then the appropriate gl*Pointer functions with offsets into the buffer, then I use glDrawArrays ...
1
vote
5answers
904 views
OpenGL Performance Questions
This subject, as with any optimisation problem, gets hit on a lot, but I just couldn't find what I (think) I want.
A lot of tutorials, and even SO questions have similar tips; generally covering:
...
12
votes
2answers
2k views
“Optimal” game loop for 2D side-scroller
Is it possible to describe an "optimal" (in terms of performance) layout for a 2D side-scroller's game loop? In this context the "game loop" takes user input, updates the states of game objects and ...
8
votes
3answers
6k views
Rendering performance for Flash games
I was reading on SO about native flash rendering vs building a custom BitmapData frame buffer and some of the answers were a bit conflicting, so I was wondering:
Is it generally best practice to go ...
