62 lines
751 B
Plaintext
62 lines
751 B
Plaintext
#depth off
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#blend mix
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@vs vs
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in vec2 a_pos;
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in vec2 a_uv;
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struct letter {
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vec2 pos;
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vec2 wh;
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vec2 uv;
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vec2 st;
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vec4 color;
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};
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readonly buffer ssbo {
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letter ls[];
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};
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out vec2 uv;
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out vec2 fuv;
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out vec4 color0;
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vec2 pos;
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uniform mat4 vp;
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@include_block vert
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void main()
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{
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letter l = ls[gl_InstanceIndex];
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fuv = l.uv + vec2(a_pos.x*l.st.x, l.st.y - a_pos.y*l.st.y);
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uv = a_uv;
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color0 = l.color;
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pos = l.pos+(a_pos*l.wh);
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vert();
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gl_Position = vp * vec4(pos, 0.0, 1.0);
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}
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@end
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@fs fs
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in vec2 uv;
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in vec2 fuv;
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in vec4 color0;
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out vec4 color;
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texture2D text;
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sampler smp;
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@include_block frag
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void main()
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{
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float lettera = texture(sampler2D(text,smp),fuv).r;
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frag();
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color.a = lettera;
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}
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@end
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@program text vs fs |