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do not draw fuzz columns beyond screen boundaries (#2108)

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Fixes #2099
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Fabian Greffrath 2024-12-30 19:24:03 +01:00 committed by GitHub
parent 79c801ce90
commit fe20c4903c
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GPG Key ID: B5690EEEBB952194
1 changed files with 6 additions and 2 deletions
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8
src/r_draw.c
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@ -488,6 +488,8 @@ static void DrawFuzzColumnBlocky(void)
int lines = fuzzblocksize - (dc_yl % fuzzblocksize); int lines = fuzzblocksize - (dc_yl % fuzzblocksize);
const int fuzzblockwidth = MIN(fuzzblocksize, linesize - dc_x);
do do
{ {
count -= lines; count -= lines;
@ -506,7 +508,7 @@ static void DrawFuzzColumnBlocky(void)
do do
{ {
memset(dest, fuzz, fuzzblocksize); memset(dest, fuzz, fuzzblockwidth);
dest += linesize; dest += linesize;
} while (--lines); } while (--lines);
@ -580,6 +582,8 @@ static void DrawFuzzColumnRefraction(void)
int lines = fuzzblocksize - (dc_yl % fuzzblocksize); int lines = fuzzblocksize - (dc_yl % fuzzblocksize);
const int fuzzblockwidth = MIN(fuzzblocksize, linesize - dc_x);
int dark = FUZZDARK; int dark = FUZZDARK;
int offset = 0; int offset = 0;
@ -600,7 +604,7 @@ static void DrawFuzzColumnRefraction(void)
do do
{ {
memset(dest, fuzz, fuzzblocksize); memset(dest, fuzz, fuzzblockwidth);
dest += linesize; dest += linesize;
} while (--lines); } while (--lines);