opengl: fix version comparison

a6a09908 · Rémi Denis-Courmont · e4fa5567 · a6a09908
Commit a6a09908 authored Jul 01, 2012 by Rémi Denis-Courmont
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modules/video_output/opengl.c modules/video_output/opengl.c +2 -3

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--- a/modules/video_output/opengl.c
+++ b/modules/video_output/opengl.c
@@ -245,9 +245,8 @@ vout_display_opengl_t *vout_display_opengl_New(video_format_t *fmt,
    }


-    const char *ogl_version = glGetString(GL_VERSION);
-    float f_ogl_version = atof(ogl_version);
-    bool supports_shaders = f_ogl_version >= 2.0f;
+    const unsigned char *ogl_version = glGetString(GL_VERSION);
+    bool supports_shaders = strverscmp((const char *)ogl_version, "2.0") >= 0;
    GLint max_texture_units = 0;
    glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &max_texture_units);