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Add Packed422 decompression shader

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Palana 2014-04-24 05:56:44 +02:00
parent 065379bffa
commit b0becea1a0
1 changed files with 44 additions and 0 deletions
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44
build/data/libobs/format_conversion.effect
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@ -193,6 +193,23 @@ float4 PSPlanar420(VertInOut vert_in) : TARGET
return out_val[2];
}
float4 PSPacked422_Reverse(VertInOut vert_in, int u_pos, int v_pos,
int y0_pos, int y1_pos) : TARGET
{
float y = vert_in.uv.y;
#ifdef _OPENGL
y = 1. - y;
#endif
float odd = floor(fmod(width * vert_in.uv.x + PRECISION_OFFSET, 2.0));
float x = floor(width_d2 * vert_in.uv.x + PRECISION_OFFSET) *
width_d2_i;
float4 texel = image.Sample(def_sampler, float2(x, y));
return float4(odd > 0.5 ? texel[y1_pos] : texel[y0_pos],
texel[u_pos], texel[v_pos], 1.0);
}
technique Planar420
{
pass
@ -210,3 +227,30 @@ technique NV12
pixel_shader = PSNV12(vert_in);
}
}
technique UYUV_Reverse
{
pass
{
vertex_shader = VSDefault(vert_in);
pixel_shader = PSPacked422_Reverse(vert_in, 0, 2, 1, 3);
}
}
technique YUY2_Reverse
{
pass
{
vertex_shader = VSDefault(vert_in);
pixel_shader = PSPacked422_Reverse(vert_in, 1, 3, 0, 2);
}
}
technique YVYU_Reverse
{
pass
{
vertex_shader = VSDefault(vert_in);
pixel_shader = PSPacked422_Reverse(vert_in, 3, 1, 0, 2);
}
}