Adding texture scaling functionally to SDL2_perl

[kthakore]

Basically make this work in perl:

http://hg.libsdl.org/SDL/file/90ff13467550/test/testscale.c

[kthakore]

Request made in sdl-devel mailing list
On 2013-08-10, at 6:25 AM, MJ wrote:

hi sdl-devel
=20
i am planning/researching about adding a small amount of SDL2_Perl =
code into my existing SDL_Perl app, for a framerate increase
i have one long-standingly slow bit of code in my app, that i would =
like to replace with SDL2 code
=20
=20
so basically, i need to implement the 'test/testrendercopyex.c' demo =
[3], in SDL2_Perl,=20

aaah, the SDL2 'test/testscale.c' demo is a slightly better example

http://hg.libsdl.org/SDL/file/90ff13467550/test/testscale.c

[kthakore]

crap

[KohaAloha]

i have made a list of all the SDL2 functions that are used in the original testscale.c example
http://hg.libsdl.org/SDL/file/90ff13467550/test/testscale.c

i'll attempt to add these missing C functions to Perl_SDL2, as i work thru this issue

and, heres the list....
SDL_LoadBMP()
SDL_GetError()
SDL_SetColorKey()
SDL_CreateTextureFromSurface()
SDL_FreeSurface()
SDL_RenderGetViewport()
SDL_RenderCopy()
SDL_RenderPresent()
SDL_stack_alloc()
SDL_QueryTexture()
SDL_PollEvent()
SDL_GetTicks()
SDL_stack_free()
SDLTest_CommonEvent()
SDLTest_CommonCreateState()
SDLTest_CommonArg()
SDLTest_CommonUsage()
SDLTest_CommonInit()