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Fix off-by-one character error in immediate mode GL text rendering

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baldurk
2018-07-12 15:33:54 +01:00
parent b0378e9858
commit e8e7aea693
1 changed files with 6 additions and 6 deletions
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renderdoc/driver/gl/gl_rendertext.cpp
+6 -6
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@@ -501,10 +501,10 @@ void WrappedOpenGL::RenderOverlayStr(float x, float y, bool yflipped, const char
while(*prepass)
{
char c = *prepass;
if(c >= FONT_FIRST_CHAR && c < FONT_LAST_CHAR)
if(c > FONT_FIRST_CHAR && c < FONT_LAST_CHAR)
{
stbtt_GetBakedQuad(chardata, FONT_TEX_WIDTH, FONT_TEX_HEIGHT, c - FONT_FIRST_CHAR, &x, &y,
&q, 1);
stbtt_GetBakedQuad(chardata, FONT_TEX_WIDTH, FONT_TEX_HEIGHT, c - FONT_FIRST_CHAR - 1, &x,
&y, &q, 1);
maxx = RDCMAX(maxx, RDCMAX(q.x0, q.x1));
maxy = RDCMAX(maxy, RDCMAX(q.y0, q.y1));
@@ -534,10 +534,10 @@ void WrappedOpenGL::RenderOverlayStr(float x, float y, bool yflipped, const char
while(*text)
{
char c = *text;
if(c >= FONT_FIRST_CHAR && c < FONT_LAST_CHAR)
if(c > FONT_FIRST_CHAR && c < FONT_LAST_CHAR)
{
stbtt_GetBakedQuad(chardata, FONT_TEX_WIDTH, FONT_TEX_HEIGHT, c - FONT_FIRST_CHAR, &x, &y,
&q, 1);
stbtt_GetBakedQuad(chardata, FONT_TEX_WIDTH, FONT_TEX_HEIGHT, c - FONT_FIRST_CHAR - 1, &x,
&y, &q, 1);
vertices.push_back(Vec4f(q.x0, q.y0 * mul, q.s0, q.t0));
vertices.push_back(Vec4f(q.x1, q.y0 * mul, q.s1, q.t0));