45 lines
1.1 KiB
GLSL
45 lines
1.1 KiB
GLSL
#version 330 core
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layout (location = 0) in vec2 p0;
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layout (location = 1) in vec2 p1;
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layout (location = 2) in vec4 color;
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layout (location = 3) in float border_radius;
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layout (location = 4) in float border_thickness;
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layout (location = 5) in float edge_softness;
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uniform mat4 projection;
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out vec4 frag_color;
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out vec2 frag_dest_position;
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out vec2 frag_dest_center;
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out vec2 frag_dest_half_size;
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out float frag_softness;
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out float frag_border_radius;
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out float frag_border_thickness;
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const vec2 rectangle_vertices[4] = vec2[](
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vec2(-1, -1),
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vec2(-1, 1),
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vec2( 1, -1),
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vec2( 1, 1)
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);
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void main() {
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vec2 dest_half_size = (p1 - p0) / 2;
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vec2 dest_center = (p1 + p0) / 2;
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vec2 dest_position = rectangle_vertices[gl_VertexID] * dest_half_size + dest_center;
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gl_Position = projection * vec4(
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dest_position,
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0,
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1
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);
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frag_color = color;
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frag_dest_position = dest_position;
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frag_dest_center = dest_center;
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frag_dest_half_size = dest_half_size;
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frag_border_radius = border_radius;
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frag_border_thickness = border_thickness;
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frag_softness = edge_softness;
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}
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