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Clean up opengl a bit (untested)

db4
Slava Pestov 2008-01-27 00:05:37 -04:00
parent 952f6ca363
commit 0b079572d1
1 changed files with 30 additions and 15 deletions
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45
extra/opengl/opengl.factor
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@ -1,9 +1,10 @@
! Copyright (C) 2005, 2007 Slava Pestov.
! Portions copyright (C) 2007 Eduardo Cavazos.
! Portions copyright (C) 2008 Joe Groff.
! See http://factorcode.org/license.txt for BSD license.
USING: alien alien.c-types kernel libc math namespaces sequences
math.vectors math.constants math.functions opengl.gl opengl.glu
combinators arrays ;
USING: alien alien.c-types byte-arrays kernel libc math
namespaces sequences math.vectors math.constants math.functions
opengl.gl opengl.glu combinators arrays ;
IN: opengl
: coordinates [ first2 ] 2apply ;
@ -191,10 +192,13 @@ TUPLE: sprite loc dim dim2 dlist texture ;
: c-true? ( int -- ? ) zero? not ; inline
: with-gl-shader-source-ptr ( string quot -- )
swap dup length 1+ [ tuck string>char-memory <void*> swap call ] with-malloc ; inline
swap >byte-array malloc-byte-array [
<void*> swap call
] keep free ; inline
: <gl-shader> ( source kind -- shader )
glCreateShader dup rot [ 1 swap f glShaderSource ] with-gl-shader-source-ptr
glCreateShader dup rot
[ 1 swap f glShaderSource ] with-gl-shader-source-ptr
[ glCompileShader ] keep
gl-error ;
@ -211,19 +215,27 @@ TUPLE: sprite loc dim dim2 dlist texture ;
GL_VERTEX_SHADER <gl-shader> ; inline
: (vertex-shader?) ( object -- ? )
dup (gl-shader?) [ GL_SHADER_TYPE gl-shader-get-int GL_VERTEX_SHADER = ] [ drop f ] if ;
dup (gl-shader?)
[ GL_SHADER_TYPE gl-shader-get-int GL_VERTEX_SHADER = ]
[ drop f ] if ;
: <fragment-shader> ( source -- fragment-shader )
GL_FRAGMENT_SHADER <gl-shader> ; inline
: (fragment-shader?) ( object -- ? )
dup (gl-shader?) [ GL_SHADER_TYPE gl-shader-get-int GL_FRAGMENT_SHADER = ] [ drop f ] if ;
dup (gl-shader?)
[ GL_SHADER_TYPE gl-shader-get-int GL_FRAGMENT_SHADER = ]
[ drop f ] if ;
: gl-shader-info-log-length ( shader -- log-length )
GL_INFO_LOG_LENGTH gl-shader-get-int ; inline
: gl-shader-info-log ( shader -- log )
dup gl-shader-info-log-length dup [ [ 0 <int> swap glGetShaderInfoLog ] keep alien>char-string ] with-malloc ;
dup gl-shader-info-log-length
dup [
0 <int> over glGetShaderInfoLog
alien>char-string
] with-malloc ;
: check-gl-shader ( shader -- shader* )
dup gl-shader-ok? [ dup gl-shader-info-log throw ] unless ;
@ -266,17 +278,20 @@ PREDICATE: gl-shader fragment-shader (fragment-shader?) ;
GL_ATTACHED_SHADERS gl-program-get-int ; inline
: gl-program-shaders ( program -- shaders )
dup gl-program-shaders-length
[ dup "GLuint" <c-array> [ 0 <int> swap glGetAttachedShaders ] keep ] keep
c-uint-array> ;
dup gl-program-shaders-length [
dup "GLuint" <c-array> 0 <int> over glGetAttachedShaders
] keep c-uint-array> ;
: delete-gl-program-only ( program -- ) glDeleteProgram ; inline
: delete-gl-program-only ( program -- )
glDeleteProgram ; inline
: detach-gl-program-shader ( program shader -- ) glDetachShader ; inline
: detach-gl-program-shader ( program shader -- )
glDetachShader ; inline
: delete-gl-program ( program -- )
dup gl-program-shaders [ 2dup detach-gl-program-shader delete-gl-shader ] each
delete-gl-program-only ;
dup gl-program-shaders [
2dup detach-gl-program-shader delete-gl-shader
] each delete-gl-program-only ;
: with-gl-program ( program quot -- )
swap glUseProgram call 0 glUseProgram ; inline