isa/mutter
1
0
Fork 0
mirror of https://github.com/brl/mutter.git synced 2024-11-26 18:11:05 -05:00
Code Issues Packages Projects Releases Wiki Activity

[clip-stack] Use signed integers while combining window space clip rectangles

Browse Source 
Use signed integers while combining window space clip rectangles, so we avoid
arithmatic errors later resulting in glScissor getting negative width and
height arguments.
This commit is contained in:
Robert Bragg 2009-06-22 00:58:32 +01:00
parent 21d02307eb
commit 096c1df0f4
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
common/cogl-clip-stack.c
View File

@ -317,10 +317,10 @@ _cogl_clip_stack_rebuild (void)
gboolean using_stencil_buffer = FALSE;
GList *node;
CoglClipStack *stack;
guint scissor_x0 = 0;
guint scissor_y0 = 0;
guint scissor_x1 = G_MAXUINT;
guint scissor_y1 = G_MAXUINT;
gint scissor_x0 = 0;
gint scissor_y0 = 0;
gint scissor_x1 = G_MAXINT;
gint scissor_y1 = G_MAXINT;
_COGL_GET_CONTEXT (ctx, NO_RETVAL);
@ -418,7 +418,7 @@ _cogl_clip_stack_rebuild (void)
scissor_x0 = scissor_y0 = scissor_x1 = scissor_y1 = 0;
if (!(scissor_x0 == 0 && scissor_y0 == 0 &&
scissor_x1 == G_MAXUINT && scissor_y1 == G_MAXUINT))
scissor_x1 == G_MAXINT && scissor_y1 == G_MAXINT))
{
GE (glEnable (GL_SCISSOR_TEST));
GE (glScissor (scissor_x0, scissor_y0,