! Portions copyright (C) 2008 Joe Groff.
! See http://factorcode.org/license.txt for BSD license.
USING: alien alien.c-types alien.data assocs colors
-combinators.smart continuations fry init kernel locals macros
-math namespaces opengl.gl sequences sequences.generalizations
-specialized-arrays words ;
+combinators.smart continuations io kernel math
+math.functions math.parser namespaces opengl.gl sequences
+sequences.generalizations specialized-arrays system words ;
FROM: alien.c-types => float ;
SPECIALIZED-ARRAY: float
SPECIALIZED-ARRAY: uint
: gl-error-code ( -- code/f )
glGetError dup 0 = [ drop f ] when ; inline
+: throw-gl-error? ( -- ? )
+ os macosx? [
+ ! This is kind of terrible, but we are having
+ ! problems on Mac OS X 10.11 where the
+ ! default framebuffer seems to be initialized
+ ! asynchronously or something, so we should
+ ! just log these for now in (gl-error).
+ GL_FRAMEBUFFER glCheckFramebufferStatus
+ GL_FRAMEBUFFER_UNDEFINED = not
+ ] [ t ] if ;
+
: (gl-error) ( function -- )
- gl-error-code [ <gl-error> throw ] [ drop ] if* ;
+ gl-error-code [
+ throw-gl-error? [
+ <gl-error> throw
+ ] [
+ [
+ [ number>string ] [ error>string ] bi ": " glue
+ "OpenGL error: " prepend print flush drop
+ ] with-global
+ ] if
+ ] [ drop ] if* ;
: gl-error ( -- )
f (gl-error) ; inline
dip
[ glDisableClientState ] each ; inline
-MACRO: all-enabled ( seq quot -- )
+MACRO: all-enabled ( seq quot -- quot )
[ words>values ] dip '[ _ _ (all-enabled) ] ;
-MACRO: all-enabled-client-state ( seq quot -- )
+MACRO: all-enabled-client-state ( seq quot -- quot )
[ words>values ] dip '[ _ _ (all-enabled-client-state) ] ;
: do-matrix ( quot -- )
line-vertices GL_LINES 0 2 glDrawArrays ;
:: (rect-vertices) ( loc dim -- vertices )
- #! We use GL_LINE_STRIP with a duplicated first vertex
- #! instead of GL_LINE_LOOP to work around a bug in Apple's
- #! X3100 driver.
+ ! We use GL_LINE_STRIP with a duplicated first vertex
+ ! instead of GL_LINE_LOOP to work around a bug in Apple's
+ ! X3100 driver.
loc first2 [ 0.3 + ] bi@ :> ( x y )
dim first2 [ 0.6 - ] bi@ :> ( w h )
[
:: with-gl-buffer ( binding id quot -- )
binding id glBindBuffer
- quot [ binding 0 glBindBuffer ] [ ] cleanup ; inline
+ quot [ binding 0 glBindBuffer ] finally ; inline
: with-array-element-buffers ( array-buffer element-buffer quot -- )
[ GL_ELEMENT_ARRAY_BUFFER ] 2dip '[
:: with-vertex-array ( id quot -- )
id glBindVertexArray
- quot [ 0 glBindVertexArray ] [ ] cleanup ; inline
+ quot [ 0 glBindVertexArray ] finally ; inline
: <gl-buffer> ( target data hint -- id )
pick gen-gl-buffer [
: (set-draw-buffers) ( buffers -- )
[ length ] [ uint >c-array ] bi glDrawBuffers ;
-MACRO: set-draw-buffers ( buffers -- )
+MACRO: set-draw-buffers ( buffers -- quot )
words>values '[ _ (set-draw-buffers) ] ;
: gen-dlist ( -- id ) 1 glGenLists ;
: gl-unscale ( m -- n )
gl-scale-factor get-global [ / ] when* ; inline
+: gl-floor ( m -- n )
+ gl-scale floor gl-unscale ; inline
+
+: gl-ceiling ( m -- n )
+ gl-scale ceiling gl-unscale ; inline
+
+: gl-round ( m -- n )
+ gl-scale round gl-unscale ; inline
+
: fix-coordinates ( point1 point2 -- x1 y1 x2 y2 )
[ first2 [ gl-scale >fixnum ] bi@ ] bi@ ;
fix-coordinates glViewport ;
: init-matrices ( -- )
- #! Leaves with matrix mode GL_MODELVIEW
+ ! Leaves with matrix mode GL_MODELVIEW
GL_PROJECTION glMatrixMode
glLoadIdentity
GL_MODELVIEW glMatrixMode
glLoadIdentity ;
-[ f gl-scale-factor set-global ] "opengl" add-startup-hook
+STARTUP-HOOK: [ f gl-scale-factor set-global ]