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check for PB overflow in general_flat_rgba_line()

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Brian Paul
2001-06-11 19:44:01 +00:00
parent e67d632d99
commit 57b46ee6ea
1 changed files with 10 additions and 3 deletions
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src/mesa/swrast/s_lines.c
+10 -3
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@@ -1,4 +1,4 @@
/* $Id: s_lines.c,v 1.18 2001/05/21 18:13:43 brianp Exp $ */
/* $Id: s_lines.c,v 1.19 2001/06/11 19:44:01 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -548,6 +548,7 @@ static void general_flat_rgba_line( GLcontext *ctx,
{
struct pixel_buffer *PB = SWRAST_CONTEXT(ctx)->PB;
const GLchan *color = vert1->color;
GLuint count;
PB_SET_COLOR( PB, color[0], color[1], color[2], color[3] );
if (ctx->Line.StippleFlag) {
@@ -557,7 +558,10 @@ static void general_flat_rgba_line( GLcontext *ctx,
#define INTERP_FOG 1
#define WIDE 1
#define STIPPLE 1
#define PLOT(X,Y) PB_WRITE_PIXEL(PB, X, Y, Z, fog0);
#define PLOT(X,Y) \
PB_WRITE_PIXEL(PB, X, Y, Z, fog0); \
count = PB->count; \
CHECK_FULL(count);
#include "s_linetemp.h"
}
else {
@@ -579,7 +583,10 @@ static void general_flat_rgba_line( GLcontext *ctx,
#define INTERP_Z 1
#define INTERP_FOG 1
#define WIDE 1
#define PLOT(X,Y) PB_WRITE_PIXEL(PB, X, Y, Z, fog0);
#define PLOT(X,Y) \
PB_WRITE_PIXEL(PB, X, Y, Z, fog0); \
count = PB->count; \
CHECK_FULL(count);
#include "s_linetemp.h"
}
}