70 lines
2.0 KiB
GLSL
70 lines
2.0 KiB
GLSL
#version 450
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#extension GL_EXT_buffer_reference : require
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#include "ui_common.glsl"
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layout(location = 0) out vec4 fragColor;
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layout(location = 1) out vec2 fragUV;
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layout(location = 2) out flat uint glyph;
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layout(location = 3) out flat uint index;
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layout(location = 4) out flat uint type;
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layout(location = 5) out flat vec2 container_offset;
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const uint color_index[6] = {
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0, 1, 2, 1, 3, 2
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};
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const vec2 square[6] = {
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vec2(0.0, 0.0),
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vec2(1.0, 0.0),
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vec2(0.0, 1.0),
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vec2(1.0, 0.0),
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vec2(1.0, 1.0),
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vec2(0.0, 1.0),
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};
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void main() {
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Drawable drawable = pc.layer.drawables.d[gl_InstanceIndex];
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vec2 pos = square[gl_VertexIndex];
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// Top Left
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if(pc.layer.container.anchor == 0) {
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container_offset = pc.layer.container.offset;
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}
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// Top Right
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if(pc.layer.container.anchor == 1) {
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container_offset = pc.layer.container.offset + vec2(pc.layer.container.context.extent.x - pc.layer.container.size.x, 0);
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}
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// Bottom Left
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if(pc.layer.container.anchor == 2) {
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container_offset = pc.layer.container.offset + vec2(0, pc.layer.container.context.extent.y - pc.layer.container.size.y);
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}
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// Bottom Right
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if(pc.layer.container.anchor == 3) {
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container_offset = pc.layer.container.offset + vec2(pc.layer.container.context.extent.x - pc.layer.container.size.x, pc.layer.container.context.extent.y - pc.layer.container.size.y);
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}
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if(drawable.type == 1) {
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index = (drawable.var >> 16) & 0xFFFF;
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glyph = drawable.var & 0xFFFF;
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Font font = pc.layer.container.context.fonts.f[index];
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Symbol symbol = font.symbols.s[glyph];
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fragUV = pos * vec2(symbol.width, symbol.height);
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pos = pos * vec2(symbol.width, symbol.height) + vec2(symbol.left, -symbol.top);
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} else if(drawable.type == 2) {
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fragUV = pos;
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index = drawable.var;
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}
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gl_Position = vec4((pos * drawable.size + drawable.pos + container_offset) * pc.layer.container.context.screen * 2, 0.0, 1.0) - vec4(1.0, 1.0, 0.0, 0.0);
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fragColor = drawable.color[color_index[gl_VertexIndex]];
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type = drawable.type;
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}
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