X-Git-Url: https://git.sesse.net/?p=pitch;a=blobdiff_plain;f=glpitch.cpp;h=e47e977f2b8743960b776e28c13f6a77947b574c;hp=4aea821ef3dde34acb33980d3094fac993e02b4f;hb=3fff09f828423670c99dac1681ef32c2f764dfea;hpb=8603ad0d114005cee0dab2f7facd4faebae57f5d diff --git a/glpitch.cpp b/glpitch.cpp index 4aea821..e47e977 100644 --- a/glpitch.cpp +++ b/glpitch.cpp @@ -101,6 +101,8 @@ int main(void) double peak_pos = find_display_pos(peak.first); glBlendFunc(GL_SRC_ALPHA, GL_ONE); + glEnable(GL_POLYGON_SMOOTH); + glBegin(GL_QUADS); glColor4f(0.0, 1.0f, 0.0f, 0.2f); glVertex2f(peak_pos - 0.1, 0.0f); @@ -108,6 +110,8 @@ int main(void) glVertex2f(peak_pos + 0.1, 1.0f); glVertex2f(peak_pos + 0.1, 0.0f); glEnd(); + + glDisable(GL_POLYGON_SMOOTH); } glColor4f(1.0f, 1.0f, 1.0f, 1.0f);