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[Gzz-commits] manuscripts/AGPU irregu.txt
From: |
Tuomas J. Lukka |
Subject: |
[Gzz-commits] manuscripts/AGPU irregu.txt |
Date: |
Mon, 14 Apr 2003 16:15:43 -0400 |
CVSROOT: /cvsroot/gzz
Module name: manuscripts
Changes by: Tuomas J. Lukka <address@hidden> 03/04/14 16:15:43
Modified files:
AGPU : irregu.txt
Log message:
My version
CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/manuscripts/AGPU/irregu.txt.diff?tr1=1.16&tr2=1.17&r1=text&r2=text
Patches:
Index: manuscripts/AGPU/irregu.txt
diff -u manuscripts/AGPU/irregu.txt:1.16 manuscripts/AGPU/irregu.txt:1.17
--- manuscripts/AGPU/irregu.txt:1.16 Mon Apr 14 16:10:57 2003
+++ manuscripts/AGPU/irregu.txt Mon Apr 14 16:15:43 2003
@@ -1,5 +1,5 @@
Rendering and animating torn 2 1/2 D viewports efficiently
-==================================================
+==========================================================
In our as-yet-unpublished manuscript "Tearing instead of rectangular
clipping/framing viewports in user interfaces" (preprint available on
@@ -98,16 +98,19 @@
be separate "islands" in the shape.
Fig.5. Stages in the actual rendering
-a) A sprinkled shape obtained by 2D offsetting the shape in b)
-c) A sprinkled shape obtained by 1D offsetting;
-the 1D offsetting can be implemented by thresholding
-noise texture + undistorted shape texture as shown in d)
-e) the undistorted shape texture
-f) the noise texture
-
-g) An attached shape obtained by 1D displacement in the normal direction;
-the displacment can be implemented similarly to 1D offsetting:
-h) texture access results + color
-i) color
-j) texture access results
+a) A sprinkled shape obtained by 2D offsetting the shape in b) using
+texture shading.
+
+c) The sprinkled style on unextended OpenGL 1.3:
+the shape in c) results from adding the overall shape
+of the viewport in e) and the noise in f),
+obtaining the pixel values shown in d) and thresholding.
+
+g) The connected style is obtained in the same
+way, adding the overall shape in i)
+and the noise in j), but here the texture coordinates
+of the noise are set so that the same value is obtained
+on a line perpendicular to the edge.
+Adding i) and j) gives h), which is then thresholded
+to give g).
- [Gzz-commits] manuscripts/AGPU irregu.txt, Tuomas J. Lukka, 2003/04/07
- [Gzz-commits] manuscripts/AGPU irregu.txt, Tuomas J. Lukka, 2003/04/12
- [Gzz-commits] manuscripts/AGPU irregu.txt, Tuomas J. Lukka, 2003/04/12
- [Gzz-commits] manuscripts/AGPU irregu.txt, Tuomas J. Lukka, 2003/04/14
- [Gzz-commits] manuscripts/AGPU irregu.txt, Janne V. Kujala, 2003/04/14
- [Gzz-commits] manuscripts/AGPU irregu.txt, Tuomas J. Lukka, 2003/04/14
- [Gzz-commits] manuscripts/AGPU irregu.txt, Janne V. Kujala, 2003/04/14
- [Gzz-commits] manuscripts/AGPU irregu.txt, Janne V. Kujala, 2003/04/14
- [Gzz-commits] manuscripts/AGPU irregu.txt,
Tuomas J. Lukka <=