35 lines
616 B
GLSL
35 lines
616 B
GLSL
[[vertex]]
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uniform mat4 mvp;
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in vec4 pos;
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in vec2 uvs;
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out vec2 uv;
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void main()
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{
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uv = uvs;
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gl_Position = mvp * vec4(pos.xyz, 1.0);
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}
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[[fragment]]
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uniform sampler2D tex;
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uniform sampler2D tex_alpha;
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uniform sampler2D tex_bg;
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uniform highp float alpha;
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uniform bool highlight;
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in highp vec2 uv;
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out highp vec4 frag;
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void main()
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{
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highp vec3 rgb = texture(tex, uv).rgb;
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highp float a = texture(tex_alpha, uv).a;
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highp vec4 c = vec4(rgb, a);
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frag = highlight ?
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vec4(clamp(vec3(0.3) + c.rgb, vec3(0.0), vec3(1.0)), c.a) :
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texture(tex, uv) * vec4(1.0, 1.0, 1.0, alpha);
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}
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