SDL2 and Framebuffer

SDL Development
1

Hi, I want using SDL 2.0.12 with framebuffer and for this download the last version and configure with the --enable-video-directfb, but when execute make I have this error:

/iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_events.c: In function ‘ProcessInputEvent’:
/iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_events.c:312:9: warning: variable ‘kbd_idx’ set but not used [-Wunused-but-set-variable]

  • int kbd_idx;*

  •     ^~~~~~~*
  • CC build/SDL_DirectFB_modes.lo*
  • CC build/SDL_DirectFB_mouse.lo*
  • CC build/SDL_DirectFB_opengl.lo*
  • CC build/SDL_DirectFB_render.lo*
    /iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_render.c: In function ‘SetBlendMode’:
    /iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_render.c:202:9: error: case label not within a switch statement 
  •     case SDL_BLENDMODE_MUL:*

  •     ^~~~*

In file included from /iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_window.h:25:0,

  •             from /iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_render.c:24:*

/iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_render.c:205:67: error: ‘DSBF_DSTCOLOR’ undeclared (first use in this function); did you mean ‘DSBF_DESTCOLOR’?

  •         SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_DSTCOLOR));*

  •                                                               ^*

/iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_video.h:99:49: note: in definition of macro ‘SDL_DFB_CHECK’

  • #define SDL_DFB_CHECK(x…) do { sdl_dfb_check( x, FILE, LINE); } while (0)*
  •                                             ^*

/iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_render.c:205:67: note: each undeclared identifier is reported only once for each function it appears in

  •         SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_DSTCOLOR));*

  •                                                               ^*

/iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_video.h:99:49: note: in definition of macro ‘SDL_DFB_CHECK’

  • #define SDL_DFB_CHECK(x…) do { sdl_dfb_check( x, FILE, LINE); } while (0)*
  •                                             ^*

/iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_render.c:208:13: error: break statement not within loop or switch

  •         break;*

  •         ^~~~~*

/iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_render.c: At top level:
/iSys/SDL2/SDL2-2.0.12/src/video/directfb/SDL_DirectFB_render.c:212:1: error: expected identifier or ‘(’ before ‘}’ token

  • }*
  • ^*
    Makefile:674: recipe for target ‘build/SDL_DirectFB_render.lo’ failed
    make: *** [build/SDL_DirectFB_render.lo] Error 1

Can you help me please!

2

Hello CFernandez, welcome to SDL Forums.

Your post is barely readable. Can you please edit your post and use the </> to mark the error as code, in this way indentation will be preserved and character will not be considered special Markdown symbols.

Anyway I have compiled here both Github head (https://github.com/SDL-mirror/SDL) and SDL2-2.0.12 (from https://www.libsdl.org/download-2.0.php ), and I don’t get any of these errors just one warning:

SDL2-2.0.12/src/test/SDL_test_memory.c: In function 'SDL_TrackAllocation':
src/SDL2-2.0.12/src/test/SDL_test_memory.c:112:103: warning: '+0x' directive output may be truncated writing 3 bytes into a region of size between 1 and 256 [-Wformat-truncation=]
  112 |                 snprintf(entry->stack_names[stack_index], sizeof(entry->stack_names[stack_index]), "%s+0x%llx", sym, (unsigned long long)offset);
      |                                                                                                       ^~~
src/SDL2-2.0.12/src/test/SDL_test_memory.c:112:17: note: 'snprintf' output between 5 and 275 bytes into a destination of size 256
  112 |                 snprintf(entry->stack_names[stack_index], sizeof(entry->stack_names[stack_index]), "%s+0x%llx", sym, (unsigned long long)offset);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  CC     build/SDL_test_random.lo
  LTLINK build/libSDL2_test.la
ar: `u' modifier ignored since `D' is the default (see `U')

Which compiler are you using, which plataform and architecture?

3

Hi,
had the same problem today, looking at the source file there was indeed an error that was fixed by this commit after the release:
http://hg.libsdl.org/SDL/diff/769f80095217/src/video/directfb/SDL_DirectFB_render.c

Regards,
Roland

4

Yes. That is already fixed, that was the reason I asked about where the source came from. Anyway, he also need to better format his post.