1
vote
1answer
66 views

SDL render to a texture

I am trying to create a button for my game there are lots of similar buttons so using an image for each one is a bit inefficient. So I want to load an image then copy some text over it and render that ...
1
vote
1answer
67 views

How can I scale a subset of my game view during rendering?

I am developing a 2d game which has a lateral panel and a main panel with the scenario. I want to scale the main scenario to apply a zoom (only the main panel portion of the screen). I think if I use ...
1
vote
2answers
802 views

SDL2 sprite batching and texture atlases

I have been programming a 2D game in C++, using the SDL2 graphics API for rendering. My game concept currently features effects that could result in even tens of thousands of sprites being drawn ...
0
votes
1answer
1k views

SDL2 render to texture support

I'd like to use the function int SDL_SetRenderTarget(SDL_Renderer *renderer, SDL_Texture *texture) in my 2D game. At this point I am using only the SDL 2.0 API, and using openGL seems overkill to ...
1
vote
1answer
322 views

SDL_Image and typical SDL BMP loading fails completely

been messing with OpenGL and SDL for a pair of weeks. The thing is quite weird. I have been loading a texture from a BMP and using a really easy shader to make it work, and so far it has worked very ...
1
vote
3answers
579 views

SDL_image & OpenGL Problem

i've been following tutorials online to load textures using SDL and display them on a opengl quad. but ive been getting weird results that no one else on the internet seems to be getting... so when i ...
2
votes
2answers
1k views

Can't get simple OpenGL texture working using SDL2 and FreeImage3

I created a simple OpenGL program that display a quad with texture, but it doesn't seem to be working as it only displays a white quad. What could possibly be wrong? I checked everything I could think ...
0
votes
1answer
597 views

Generate texture for a heightmap

I've recently been trying to blend multiple textures based on the height at different points in a heightmap. However i've been getting poor results. I decided to backtrack and just attempt to recreate ...
3
votes
3answers
1k views

OpenGL & SDL textures… game shuts down

I'm going to create a game in C++ with SDL & openGL but adding textures won't work. the code is in some different classes. here's the main file ...
0
votes
1answer
1k views

What's wrong my code to create a GL texture from an SDL_Surface?

I have an issue here with converting an existing SDL_Surface into an OpenGL texture. The texture gets created, but it's a plain white texture, below is a screenshot of the result: It seems to me ...