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gl-renderer: Update HTTP links to vertex clipping resources

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Signed-off-by: Loïc Molinari <loic.molinari@gmail.com>
This commit is contained in:
Loïc Molinari 2023-03-09 09:07:29 +01:00 committed by Pekka Paalanen
parent 39fee794b5
commit 3d94f943a6
3 changed files with 3 additions and 3 deletions
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2
clients/cliptest.c
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@ -193,7 +193,7 @@ clip_quad(struct gl_quad *quad, pixman_box32_t *surf_rect,
/* Then, use a general polygon clipping algorithm to clip the quad with
* each side of the surface rect. The algorithm is Sutherland-Hodgman,
* as explained in
* http://www.codeguru.com/cpp/misc/misc/graphics/article.php/c8965/Polygon-Clipping.htm
* https://www.codeguru.com/cplusplus/polygon-clipping/
* but without looking at any of that code.
*/
n = clip_transformed(&ctx, &quad->vertices, vertices);

2
libweston/renderer-gl/gl-renderer.c
View File

@ -521,7 +521,7 @@ clip_quad(struct gl_quad *quad, pixman_box32_t *surf_rect,
/* Then, use a general polygon clipping algorithm to clip the quad with
* each side of the surface rect. The algorithm is Sutherland-Hodgman,
* as explained in
* http://www.codeguru.com/cpp/misc/misc/graphics/article.php/c8965/Polygon-Clipping.htm
* https://www.codeguru.com/cplusplus/polygon-clipping/
* but without looking at any of that code.
*/
n = clip_transformed(&ctx, &quad->vertices, vertices);

2
libweston/vertex-clipping.c
View File

@ -32,7 +32,7 @@
WESTON_EXPORT_FOR_TESTS float
float_difference(float a, float b)
{
/* http://www.altdevblogaday.com/2012/02/22/comparing-floating-point-numbers-2012-edition/ */
/* https://randomascii.wordpress.com/2012/02/25/comparing-floating-point-numbers-2012-edition/ */
static const float max_diff = 4.0f * FLT_MIN;
static const float max_rel_diff = 4.0e-5;
float diff = a - b;