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check for startX off the right edge of the window

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Brian Paul 2001-03-28 21:36:31 +00:00
parent 5bfaa2f12e
commit d082417dae
1 changed files with 7 additions and 1 deletions
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8
src/mesa/swrast/s_aatritemp.h
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@ -1,4 +1,4 @@
/* $Id: s_aatritemp.h,v 1.8 2001/03/12 00:48:41 gareth Exp $ */
/* $Id: s_aatritemp.h,v 1.9 2001/03/28 21:36:31 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -366,6 +366,12 @@
GLint ix, left, startX = (GLint) (x + xAdj);
GLuint count, n;
GLfloat coverage = 0.0F;
/* make sure we're not past the window edge */
if (startX >= ctx->DrawBuffer->_Xmax) {
startX = ctx->DrawBuffer->_Xmax - 1;
}
/* skip fragments with zero coverage */
while (startX >= 0) {
coverage = compute_coveragef(pMin, pMax, pMid, startX, iy);