121 lines
1.8 KiB
GLSL
121 lines
1.8 KiB
GLSL
#version 450
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#extension GL_EXT_buffer_reference : require
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struct String {
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vec2 pos;
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vec4 color;
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float size;
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uint offset;
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uint length;
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};
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layout(std430, buffer_reference) readonly buffer StringList {
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String s[];
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};
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struct Glyph {
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vec2 pos;
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vec4 color;
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float size;
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uint code;
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};
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layout(std430, buffer_reference) readonly buffer GlyphList {
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Glyph g[];
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};
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struct Rect {
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vec2 pos;
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vec2 size;
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vec4 color;
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};
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layout(std430, buffer_reference) readonly buffer RectList {
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Rect r[];
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};
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layout(std430, buffer_reference) readonly buffer CodeList {
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uint c[];
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};
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struct DrawCommand {
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uint vertex_count;
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uint instance_count;
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uint fist_vertex;
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uint first_instance;
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};
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struct DispatchCommand {
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uint x;
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uint y;
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uint z;
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};
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layout(std430, buffer_reference) buffer UILayer {
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StringList strings;
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CodeList codes;
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RectList rects;
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GlyphList glyphs;
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DrawCommand draw_glyphs;
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DrawCommand draw_rects;
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DispatchCommand dispatch_strings;
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uint font_index;
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};
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struct Symbol {
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int top;
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uint left;
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uint width;
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uint height;
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uint advance;
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};
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layout(std430, buffer_reference) buffer SymbolList {
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Symbol s[];
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};
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struct Font {
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uint num_symbols;
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uint width;
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uint height;
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SymbolList symbols;
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};
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layout(std430, buffer_reference) buffer FontList {
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Font f[];
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};
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layout(std430, buffer_reference) buffer UIContext {
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FontList fonts;
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mat4 screen;
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};
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layout(std430, push_constant) uniform PushConstant {
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UIContext context;
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UILayer layer;
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} pc;
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layout(location = 0) out vec4 fragColor;
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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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Rect rect = pc.layer.rects.r[gl_InstanceIndex];
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gl_Position = pc.context.screen * vec4(square[gl_VertexIndex] * rect.size + rect.pos, 0.0, 1.0);
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fragColor = rect.color;
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}
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