prosperon/source/shaders/sprite.sglsl

@vs vs
in vec2 vertex;
in vec2 uv;
in vec4 vColor;

out vec2 texcoords;
out vec4 fcolor;

uniform vs_p { mat4 proj; };

void main()
{
  fcolor = vColor;
  texcoords = uv;
  gl_Position = proj * vec4(vertex, 0.0, 1.0);
}
@end

@fs fs
in vec2 texcoords;
in vec4 fcolor;
out vec4 color;

uniform texture2D image;
uniform sampler smp;

void main()
{
  color = texture(sampler2D(image,smp), texcoords);

  if (color.a <= 0.1f)
      discard;
}
@end

@program sprite vs fs