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accept transform-feedback-output target from render

db4
Joe Groff 2009-07-26 22:24:33 -05:00
parent eeb02815bc
commit bfcb95edaf
3 changed files with 41 additions and 4 deletions
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6
extra/gpu/buffers/buffers.factor
View File

@ -15,7 +15,8 @@ VARIANT: buffer-access-mode
VARIANT: buffer-kind
vertex-buffer index-buffer
pixel-unpack-buffer pixel-pack-buffer ;
pixel-unpack-buffer pixel-pack-buffer
transform-feedback-buffer ;
TUPLE: buffer < gpu-object
{ upload-pattern buffer-upload-pattern }
@ -52,6 +53,7 @@ TUPLE: buffer < gpu-object
{ index-buffer [ GL_ELEMENT_ARRAY_BUFFER ] }
{ pixel-unpack-buffer [ GL_PIXEL_UNPACK_BUFFER ] }
{ pixel-pack-buffer [ GL_PIXEL_PACK_BUFFER ] }
{ transform-feedback-buffer [ GL_TRANSFORM_FEEDBACK_BUFFER ] }
} case ; inline
: get-buffer-int ( target enum -- value )
@ -82,7 +84,7 @@ UNION: gpu-data-ptr buffer-ptr c-ptr ;
: buffer-ptr>range ( buffer-ptr -- buffer-range )
[ buffer>> ] [ offset>> ] bi
2dup [ buffer-size ] dip -
buffer-range boa ;
buffer-range boa ; inline
:: allocate-buffer ( buffer size initial-data -- )
buffer bind-buffer :> target

36
extra/gpu/render/render.factor
View File

@ -431,9 +431,33 @@ SYNTAX: UNIFORM-TUPLE:
dup first sequence?
[ bind-named-output-attachments ] [ [ drop ] 2dip bind-unnamed-output-attachments ] if ;
GENERIC: bind-transform-feedback-output ( output -- )
M: buffer bind-transform-feedback-output
[ GL_TRANSFORM_FEEDBACK_BUFFER 0 ] dip handle>> glBindBufferBase ; inline
M: buffer-range bind-transform-feedback-output
[ GL_TRANSFORM_FEEDBACK_BUFFER 0 ] dip
[ handle>> ] [ offset>> ] [ size>> ] tri glBindBufferRange ; inline
M: buffer-ptr bind-transform-feedback-output
buffer-ptr>range bind-transform-feedback-output ; inline
: gl-feedback-primitive-mode ( primitive-mode -- gl-mode )
{
{ points-mode [ GL_POINTS ] }
{ lines-mode [ GL_LINES ] }
{ line-strip-mode [ GL_LINES ] }
{ line-loop-mode [ GL_LINES ] }
{ triangles-mode [ GL_TRIANGLES ] }
{ triangle-strip-mode [ GL_TRIANGLES ] }
{ triangle-fan-mode [ GL_TRIANGLES ] }
} case ;
PRIVATE>
UNION: ?any-framebuffer any-framebuffer POSTPONE: f ;
UNION: transform-feedback-output buffer buffer-range POSTPONE: f ;
TUPLE: render-set
{ primitive-mode primitive-mode read-only }
@ -442,7 +466,8 @@ TUPLE: render-set
{ indexes vertex-indexes initial: T{ index-range } read-only }
{ instances ?integer initial: f read-only }
{ framebuffer ?any-framebuffer initial: system-framebuffer read-only }
{ output-attachments sequence initial: { default-attachment } read-only } ;
{ output-attachments sequence initial: { default-attachment } read-only }
{ transform-feedback-output transform-feedback-output initial: f read-only } ;
: <render-set> ( x quot-assoc -- render-set )
render-set swap make-tuple ; inline
@ -472,11 +497,20 @@ TUPLE: render-set
bind-output-attachments
]
[ vertex-array>> bind-vertex-array ]
[
dup transform-feedback-output>> [
[ primitive-mode>> gl-feedback-primitive-mode glBeginTransformFeedback ]
[ bind-transform-feedback-output ] bi*
] [ drop ] if*
]
[
[ primitive-mode>> ] [ indexes>> ] [ instances>> ] tri
[ render-vertex-indexes-instanced ]
[ render-vertex-indexes ] if*
]
[ transform-feedback-output>> [ glEndTransformFeedback ] when ]
[ framebuffer>> [ GL_RASTERIZER_DISCARD glDisable ] unless ]
} cleave ; inline

3
extra/gpu/shaders/shaders.factor
View File

@ -301,7 +301,8 @@ DEFER: <shader-instance>
[ compile-shader-error ] if ;
: (link-program) ( program shader-instances -- program-instance )
[ [ handle>> ] map ] [ feedback-format>> [ link-feedback-format ] curry ] bi (gl-program)
[ [ handle>> ] map ] curry
[ feedback-format>> [ link-feedback-format ] curry ] bi (gl-program)
dup gl-program-ok?
[ swap world get \ program-instance boa window-resource ]
[ link-program-error ] if ;