axmol/core/renderer/shaders/dualSampler.frag

21 lines
503 B
GLSL

#version 310 es
precision highp float;
precision highp int;
layout(location = 0) in vec4 v_fragmentColor;
layout(location = 1) in vec2 v_texCoord;
layout(binding = 0) uniform sampler2D u_tex0;
layout(binding = 1) uniform sampler2D u_tex1;
layout(location = 0) out vec4 FragColor;
void main() {
vec4 texColor = vec4(texture(u_tex0, v_texCoord).rgb, texture(u_tex1, v_texCoord).r);
texColor.rgb *= texColor.a; // Premultiply with Alpha channel
FragColor = v_fragmentColor * texColor;
}