[require]
GLSL >= 1.30

[vertex shader]
#version 130
#extension GL_ARB_uniform_buffer_object : enable

#extension GL_ARB_shading_language_420pack : enable


#define ATTRIN in
#define ATTROUT out
#define VARYIN centroid in
#define VARYOUT centroid out
#define float2 vec2
#define float3 vec3
#define float4 vec4
#define int2 ivec2
#define int3 ivec3
#define int4 ivec4
#define frac fract
#define lerp mix

void main()
{
	vec2 rawpos = vec2(gl_VertexID&1, gl_VertexID&2);
	gl_Position = vec4(rawpos*2.0-1.0, 0.0, 1.0);
}

[fragment shader]
#version 130
#extension GL_ARB_uniform_buffer_object : enable

#extension GL_ARB_shading_language_420pack : enable


#define ATTRIN in
#define ATTROUT out
#define VARYIN centroid in
#define VARYOUT centroid out
#define float2 vec2
#define float3 vec3
#define float4 vec4
#define int2 ivec2
#define int3 ivec3
#define int4 ivec4
#define frac fract
#define lerp mix

uniform sampler2D samp9;
VARYIN vec2 uv0;
out vec4 ocol0;
void main()
{
	ivec2 uv = ivec2(gl_FragCoord.xy);
	ivec2 ts = textureSize(samp9, 0);
	vec4 c0 = texelFetch(samp9, ivec2(uv.x/2, ts.y-uv.y-1), 0);
	float y = mix(c0.b, c0.r, (uv.x & 1) == 1);
	float yComp = 1.164 * (y - 0.0625);
	float uComp = c0.g - 0.5;
	float vComp = c0.a - 0.5;
	ocol0 = vec4(yComp + (1.596 * vComp),
		yComp - (0.813 * vComp) - (0.391 * uComp),
		yComp + (2.018 * uComp),
		1.0);
}