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= OpenGLϢ
* ((<OpenGL Ϣǽ>))
* OpenGLϢå
TOC
== OpenGL Ϣǽ
Ruby/SDL ϡĤΥץåȥե(Linux/X11,
Win32, MacOS X, etc)ˤơ
OpenGL ƥȤȤȤǤޤ
ˤꡢOpenGLƱ
Ruby/SDLΥǥ٥Ƚ
ޡȤȤǤޤ
Ruby/SDL ΤΤ OpenGL ѤΥåɤäƤޤ
((<ruby-opengl|URL:http://ruby-opengl.rubyforge.org/>)),
((<riko|URL:http://www.kumaryu.net/?(Ruby)+Riko>))
ʤɤѤƤ
===
OpenGL Ȥ Ruby/SDLνϡ
̤ Ruby/SDL Τ
礭ʰ㤤Ϥޤ3 Ĥΰ㤤ޤ
@[Screen.open]SDL::OPENGLϤɬפꡢ
@[GL.set_attr]Ȥä
Ĥ GL °(ǥץХåեΥ
ե졼ХåեΥ)ꤹɬפꡢ
ƺǸ˥֥ХåեȤʤ
@[Screen.open]SDL::DOUBLEBUF
ե饰ϤȤˤä((*ǤϤʤ*))
GL ȥӥ塼ȤȤƻꤹɬפޤ
EXAMPLE
# ޤӥǥ֥ƥ
SDL.init(SDL::INIT_VIDEO)
# ĤΥӥǥ
info = SDL::Screen.info
# ̤640x480˥å
width = 640;
height = 480;
# ̤ᤷƤԥ뿼٤
bpp = info.bpp
# ǡOpenGL ɥΤ
# ᤵ줿ɥ°ꤷ
# RGB ƥͥ *ʤȤ* 5 ӥåߤ
# ޤʤȤ 16 ӥåȤΥǥץХåեߤ
#
# Ǹˤϥ֥ХåեɥǤ롣
# '1' ǥ֥Хåեͭˤʤꡢ
# '0' ̵ˤʤ롣
#
# SDL::Screen.open ؤΥե饰ˤ
# SDL::DOUBLEBUF Ȥʤա
# GL ȥӥ塼Ȥ˱ƶ
# ɸ 2D blit ž˱ƶ롣
SDL::GL.set_attr(SDL::GL::RED_SIZE, 5)
SDL::GL.set_attr(SDL::GL::GREEN_SIZE, 5)
SDL::GL.set_attr(SDL::GL::BLUE_SIZE, 5)
SDL::GL.set_attr(SDL::GL::DEPTH_SIZE, 16)
SDL::GL.set_attr(SDL::GL::DOUBLEBUFFER, 1)
# SDL ե륹ӥǥ⡼ɤˤ
# OpenGL ɥƤ褦ᤷ
flags = SDL:;OPENGL | SDL::FULLSCREEN
# ӥǥ⡼ɤꡣ
SDL::Screen.open(width, height, bpp, flags)
=== GL°
@[GL.get_attr] @[GL.set_attr] Ǥϰʲ°
Ǥޤ
* SDL::GL::RED_SIZE ե졼Хåե֥ͥΥ(ӥåȿ)
* SDL::GL::GREEN_SIZE ե졼ХåեХͥΥ(ӥåȿ)
* SDL::GL::BLUE_SIZE ե졼ХåեĥͥΥ(ӥåȿ)
* SDL::GL::ALPHA_SIZE ե졼ХåեΦͥΥ(ӥåȿ)
* SDL::GL::DOUBLEBUFFER 0 ޤ 1 ͤꡢ֥Хåեͭޤ̵ˤ롣
* SDL::GL::BUFFER_SIZE ե졼ХåեΥ(ӥåȿ)
* SDL::GL::DEPTH_SIZE ǥץХåեΥ(ӥåȿ)
* SDL::GL::STENCIL_SIZE ƥХåեΥ(ӥåȿ)
* SDL::GL::ACCUM_RED_SIZE 졼Хåե֥ͥΥ(ӥåȿ)
* SDL::GL::ACCUM_GREEN_SIZE 졼ХåեХͥΥ(ӥåȿ)
* SDL::GL::ACCUM_BLUE_SIZE 졼ХåեĥͥΥ(ӥåȿ)
* SDL::GL::ACCUM_ALPHA_SIZE 졼ХåեΦͥΥ(ӥåȿ)
* SDL::GL::STEREO 3DΩλϤ뤫ɤ(0 or 1)
* SDL::GL::MULTISAMPLEBUFFERS multisample anti-aliasing ΥХåե(ǥեȤ0̵̣)
* SDL::GL::MULTISAMPLESAMPLES multisample anti-aliasing ǻȤץ(ǥեȤ0̵ͭˤʤ 2 4 ꤹΤ)
* SDL::GL::ACCELERATED_VISUAL 1ꤹȥϡɥ졼0ȥեȥ롣ǥեȤȤɤ餫ѲǽʤۤѤ
* SDL::GL::SWAP_CONTROL Deprecated
===
ϴŪ OpenGL APIΤޤȤޤ
֥Хåե̤ȤȤϡ
Хåե̤뤿
@[GL.swap_buffers]Ȥɬפޤ
OpenGL ǥ֥Хåե᤹뤿ˤϡ
@[GL.set_attr](SDL::GL::DOUBLEBUFFER, 1)
Ȥɬפꡢºݤ줿ɤǧ뤿
@[GL.get_attr](SDL::GL::DOUBLEBUFFER)
Ȥޤ
== Methods
%%%
NAME get_attr
MOD GL
TYPE .
PURPOSE ü SDL/OpenGL °ͤޤ
RVAL Integer
PROTO
get_attr(attr)
getAttr(attr)
DESC
((<OpenGL°|GL°>)) attr ֤ͤޤ
ϡ@[Screen#open]θƤӽФθˡʤλꤷ
°̤˥åȤ줿ɤåΤͭ
Ǥ
EXCEPTION *
SEEALSO
GL.set_attr
%%
NAME set_attr
MOD GL
TYPE .
PURPOSE ü SDL/OpenGL °åȤޤ
PROTO
set_attr(attr, val)
setAttr(attr, val)
DESC
OpenGL((<°|GL°>)) attr val ˥åȤޤ
åȤ°ϡ@[Screen.open]
θƤӽФޤǤͭˤʤޤ
@[Screen.open]θƤӽФθϡ@[GL.get_attr]
Ȥäͤå٤Ǥ
EXCEPTION *
NOTES
OpenGL ӥǥ⡼ɤåȤ
֥Хåեͭˤ뤿ˤ
SDL;;DOUBLEBUF ɬפǤϤޤ
֥Хåե SDL::GL::DOUBLEBUFFER °ȤȤ
ͭޤ̵ˤʤޤ
SEEALSO
GL.get_attr
%%
NAME swap_buffers
MOD GL
TYPE .
PURPOSE OpenGL Υե졼Хåեؤޤ/ɽޤ
PROTO
swap_buffers()
swapBuffers()
DESC
֥ХåեݡȤƤ OpenGL ΥХåեؤޤ
SEEALSO
GL.set_attr
GL::Screen.open
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