Note GL blend state for stb_truetype

ago%!(EXTRA string=4 years) · 04007a071c
parent 02578923d3
commit 04007a071c
1 changed files with 2 additions and 0 deletions
--- a/stb_truetype.h
+++ b/stb_truetype.h
@ -297,6 +297,8 @@ void my_stbtt_initfont(void)
 void my_stbtt_print(float x, float y, char *text)
 {
   // assume orthographic projection with units = screen pixels, origin at top left
+   glEnable(GL_BLEND);
+   glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
   glEnable(GL_TEXTURE_2D);
   glBindTexture(GL_TEXTURE_2D, ftex);
   glBegin(GL_QUADS);