Category "sdl-2"

Fastest way to draw filled quad/triangle with the SDL2 renderer?

I have a game written using SDL2, and the SDL2 renderer (hardware accelerated) for drawing. Is there a trick to draw filled quads or triangles? At the moment I'

Library not loaded SDL2 using Xcode Version 13.3.1 on macOS 12.3.1

Am trying to learn SDL2 using Xcode Version 13.3.1 on macOS Monterey 12.3.1 Followed these steps: Downloaded/ran the dmg file and moved the extracted SDL2.frame

How do I use SDL_PeepEvents properly in multiple event loops?

I would like to do a simple thing — in the unit with the logic of handling the window, I want to update the window (the first event loop), and then in ano

SDL2 Draw scene to texture. SDL2 RenderTexture like SFML

I've been developing a 2D Engine using SFML + ImGui. The editor is rendered using ImGui and the scene window is a sf::RenderTexture where I draw the GameObject

CMake could not find SDL2

I want to add this library to my project. However, it does not come with pre-compiled files. It asks me to build the library myself with cmake, which I am not f

SDL2 rendering with multithreading on Raspberry Pi 2

So, we're trying to build a Real-Time System with preemption within a process, executing each task as a separate thread. To build the GUI, SDL was the library c

SDL2 multiple windows focus

I have some problems with windows focus in SDL2. I got two windows and listen to focus gain and lost events. When I click on Window 2, the following events trig

How do I use SDL2 in my programs correctly?

I want to make a game using SDL2, but I'm unable to compile and/or run my code, please help! SDL2 is notoriously hard to set up, and it's often the first libr

How to Upscale window or renderer in sdl2 for pixelated look?

I want this pixelated look in sdl2 for all the object in my screen

Why is my SDL_mixer playing my wav. file too fast?

From this Lazy Foo tutorial (https://lazyfoo.net/tutorials/SDL/21_sound_effects_and_music/index.php) I wrote the following lines of code: #include <SDL.h>

SDL2: How to properly toggle fullscreen?

I have problems deactivating fullscreen mode with my program. Entering fullscreen happens correctly, but trying to go back to windowed mode doesn't work, the on

Why does SDL_RenderPresent disable my quit event?

I wrote this program that outputs the coordinate of my current mouse position: #include <sdl.h> #include <iostream> int main (int argc, char** argv

SDL2 How to draw dotted line

Is is just possible to draw a simple dotted line using SDL2 (or with gfx) like int drawDottedLine(SDL_Renderer *renderer,Sint16 x1,Sint16 y1, Sint16 x2, Sint1