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$input a_position, a_texcoord0, a_color0
$output v_color0, v_texcoord0, v_texcoord1, v_texcoord2
// license:BSD-3-Clause
// copyright-holders:Dario Manesku
#include "../../../../../3rdparty/bgfx/examples/common/common.sh"
// Autos
uniform vec4 u_source_dims;
// User-supplied
uniform vec4 u_converge_red;
uniform vec4 u_converge_green;
uniform vec4 u_converge_blue;
uniform vec4 u_radial_converge_red;
uniform vec4 u_radial_converge_green;
uniform vec4 u_radial_converge_blue;
void main()
{
gl_Position = mul(u_viewProj, vec4(a_position.xy, 0.0, 1.0));
vec2 half_value = vec2(0.5, 0.5);
v_texcoord0 = (a_texcoord0 - half_value) * (1.0 + u_radial_converge_red.xy ) + half_value + u_converge_red.xy * (vec2(1.0, 1.0) / u_source_dims.xy);
v_texcoord1 = (a_texcoord0 - half_value) * (1.0 + u_radial_converge_green.xy) + half_value + u_converge_green.xy * (vec2(1.0, 1.0) / u_source_dims.xy);
v_texcoord2 = (a_texcoord0 - half_value) * (1.0 + u_radial_converge_blue.xy ) + half_value + u_converge_blue.xy * (vec2(1.0, 1.0) / u_source_dims.xy);
v_color0 = a_color0;
}
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