fteqw/engine/shaders/glsl/default2d.glsl

32 lines
675 B
GLSL

!!ver 100-450
!!samps img=0
//this shader is present for support for gles/gl3core contexts
//it is single-texture-with-vertex-colours, and doesn't do anything special.
//beware that a few things use this, including apparently fonts and bloom rescaling.
//its really not meant to do anything special.
varying vec2 tc;
varying vec4 vc;
#ifdef VERTEX_SHADER
attribute vec2 v_texcoord;
attribute vec4 v_colour;
void main ()
{
tc = v_texcoord;
vc = v_colour;
gl_Position = ftetransform();
}
#endif
#ifdef FRAGMENT_SHADER
void main ()
{
vec4 f = vc;
#ifdef PREMUL
f.rgb *= f.a;
#endif
f *= texture2D(s_img, tc);
gl_FragColor = f;
}
#endif