39 lines
822 B
Text
39 lines
822 B
Text
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#extension GL_GOOGLE_include_directive : require
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#include "font.glsl"
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layout (location = 0) out vec2 outUV;
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layout (location = 1) out vec4 outColor;
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struct ElementInstance {
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vec4 color;
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uint position, size;
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uint padding[2];
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};
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layout(std430, binding = 0) buffer readonly ElementBuffer {
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ElementInstance elements[];
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};
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layout(push_constant, binding = 1) uniform readonly PushConstant{
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vec2 screenSize;
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mat4 mvp;
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};
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void main() {
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const ElementInstance instance = elements[gl_InstanceIndex];
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vec2 p = vec2(gl_VertexIndex % 2, gl_VertexIndex / 2);
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outUV = p;
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p *= fixed2_to_vec2(instance.size);
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p += fixed2_to_vec2(instance.position);
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p *= vec2(1, -1);
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p *= 2.0 / screenSize;
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p += vec2(-1, 1);
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outColor = instance.color;
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gl_Position = mvp * vec4(p, 0.0, 1.0);
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}
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