NouVeL/ADVect/shaders/ImageAlpha/ImageAlpha.frag

$input v_texcoord0

#include <bgfx_shader.sh>
#include <shaderlib.sh>

uniform vec4 f_opacity;
SAMPLER2D(s_texColor,  0);


void main()
{
	vec2 uv = vec2(v_texcoord0.x, 1.0f - v_texcoord0.y);
	vec4 tx = texture2D(s_texColor, uv);
	gl_FragColor = vec4(tx.rgb, f_opacity.x * tx.a);
}