OpenGL2: Use an OpenGL 3.2 core context if available.

This commit is contained in:
SmileTheory 2017-07-13 12:03:10 -07:00
parent 51ca4d35ea
commit d549b642bc
20 changed files with 313 additions and 349 deletions

View file

@ -45,6 +45,8 @@ uniform vec4 u_CubeMapInfo;
#endif
#endif
uniform int u_AlphaTest;
varying vec4 var_TexCoords;
varying vec4 var_Color;
@ -228,6 +230,23 @@ void main()
#endif
vec4 diffuse = texture2D(u_DiffuseMap, texCoords);
float alpha = diffuse.a * var_Color.a;
if (u_AlphaTest == 1)
{
if (alpha == 0.0)
discard;
}
else if (u_AlphaTest == 2)
{
if (alpha >= 0.5)
discard;
}
else if (u_AlphaTest == 3)
{
if (alpha < 0.5)
discard;
}
#if defined(USE_LIGHT) && !defined(USE_FAST_LIGHT)
L = var_LightDir.xyz;
@ -406,5 +425,5 @@ void main()
#endif
gl_FragColor.a = diffuse.a * var_Color.a;
gl_FragColor.a = alpha;
}