47 lines
1.2 KiB
GLSL
47 lines
1.2 KiB
GLSL
#version 450
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/* Combined vertex shader to render UGUI commands */
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// Viewport size in pixels
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layout(set = 1, binding = 0) uniform Viewport {
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ivec2 view;
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};
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// inputs
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layout(location = 0) in ivec2 in_position;
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layout(location = 1) in ivec4 in_attr; // quad x,y,w,h
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layout(location = 2) in ivec2 in_uv;
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layout(location = 3) in uvec4 in_color;
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layout(location = 4) in uint in_type;
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// outputs
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layout(location = 0) out vec4 out_color;
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layout(location = 1) out vec2 out_uv;
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layout(location = 2) out vec4 out_quad_size;
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layout(location = 3) out float out_radius;
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layout(location = 4) out uint out_type;
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void main()
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{
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// vertex position
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ivec2 px_pos = in_attr.xy + in_position.xy * in_attr.zw;
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vec2 clip_pos;
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clip_pos.x = float(px_pos.x)*2.0 / view.x - 1.0;
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clip_pos.y = -(float(px_pos.y)*2.0 / view.y - 1.0);
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gl_Position = vec4(clip_pos, 0.0, 1.0);
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// color output
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out_color = vec4(in_color) / 255.0;
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// uv output. only useful if the type is SPRITE
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vec2 px_uv = in_uv.xy + in_position.xy * in_attr.zw;
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out_uv = vec2(px_uv);
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// quad size and radius output, only useful if type is RECT
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out_quad_size = vec4(in_attr);
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out_radius = float(abs(in_uv.x));
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// type output
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out_type = in_type;
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} |