Claude Heiland-Allen wrote:
Jack wrote:
About [pix_share_read] and [pix_share_write]. Is there a method using
this two objects to share a picture that come from a
[gemframebuffer] ? I think is not possible. Am I wrong ?
As far as I know (correct me if I'm wrong!), [gemframebuffer] stores
images in GPU memory, you need to get it back to CPU memory as a pix,
using eg [pix_snap], but that only snaps what is currently displayed
(not from a framebuffer) (again correct me if I'm wrong).
you mean, like that?
And in my experience with oldish AGP graphics cards, GPU->CPU image
copying is rather slow. PCIe may be better, I don't know.
to my knowledge, this is correct.
fmgadsr
IOhannes
#N canvas 507 232 742 523 10;
#X msg 65 67 create \, 1;
#X obj 82 176 gemhead 20;
#X obj 82 200 gemframebuffer;
#X msg 179 171 dimen 256 256;
#X obj 114 310 rotateXYZ;
#X obj 114 355 teapot;
#X obj 82 246 t a a b;
#X obj 137 272 i;
#X obj 170 271 + 1;
#X obj 200 270 % 360;
#X obj 81 383 t a b;
#X msg 129 383 snap;
#X obj 80 442 t a b;
#X msg 135 443 1;
#X obj 80 467 pix_buffer_write \$0-framebuffer;
#X obj 410 202 gemhead 30;
#X obj 410 246 t a b;
#X msg 465 247 1;
#X obj 410 271 pix_buffer_read \$0-framebuffer;
#X obj 410 351 pix_texture;
#X obj 410 416 square 3;
#X obj 65 112 gemwin;
#X obj 340 90 pix_buffer \$0-framebuffer 2;
#X obj 82 223 translateXYZ 0 0 -4;
#X obj 81 418 pix_snap 0 0 256 256;
#X obj 562 182 gemhead 5;
#X obj 569 209 world_light;
#X msg 129 100 lighting 1;
#X obj 114 332 color 1 0 1;
#X floatatom 173 292 5 0 0 0 - - -;
#X obj 410 310 pix_aging;
#X obj 410 393 rotateXYZ;
#X floatatom 445 373 5 0 0 0 - - -;
#X connect 0 0 21 0;
#X connect 1 0 2 0;
#X connect 2 0 23 0;
#X connect 3 0 2 0;
#X connect 4 0 28 0;
#X connect 6 0 10 0;
#X connect 6 1 4 0;
#X connect 6 2 7 0;
#X connect 7 0 8 0;
#X connect 7 0 4 1;
#X connect 7 0 4 2;
#X connect 8 0 9 0;
#X connect 9 0 7 1;
#X connect 10 0 24 0;
#X connect 10 1 11 0;
#X connect 11 0 24 0;
#X connect 12 0 14 0;
#X connect 12 1 13 0;
#X connect 13 0 14 1;
#X connect 15 0 16 0;
#X connect 16 0 18 0;
#X connect 16 1 17 0;
#X connect 17 0 18 1;
#X connect 18 0 30 0;
#X connect 19 0 31 0;
#X connect 23 0 6 0;
#X connect 24 0 12 0;
#X connect 25 0 26 0;
#X connect 27 0 21 0;
#X connect 28 0 5 0;
#X connect 29 0 4 3;
#X connect 30 0 19 0;
#X connect 31 0 20 0;
#X connect 32 0 31 2;
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