bgfx/examples/37-gpudrivenrendering/vs_gdr_instanced_indirect_rendering.sc

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$input a_position, i_data0, i_data1, i_data2, i_data3
$output v_materialID
/*
* Copyright 2018 Kostas Anagnostou. All rights reserved.
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
*/
#include "../common/common.sh"
void main()
{
mat4 model;
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model[0] = vec4(i_data0.xyz, 0.0);
model[1] = i_data1;
model[2] = i_data2;
model[3] = i_data3;
v_materialID = i_data0.w;
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vec4 worldPos = instMul(model, vec4(a_position, 1.0) );
gl_Position = mul(u_viewProj, worldPos);
}