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Add pre-YUV output clamping to YUV444P12.

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A better solution would cover all the ouput transforms, but... later.
This commit is contained in:
Steven Robertson
2015-10-10 18:03:17 -07:00
parent 0476bbfdce
commit 37245085a9
1 changed files with 3 additions and 0 deletions
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cuburn/code/output.py
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@ -205,6 +205,9 @@ __global__ void f32_to_yuv444p12(
mwc_st rctx = rctxs[rb_incr(rb->head, tid)]; mwc_st rctx = rctxs[rb_incr(rb->head, tid)];
float4 in = src[isrc]; float4 in = src[isrc];
in.x = fminf(1.0f, in.x);
in.y = fminf(1.0f, in.y);
in.z = fminf(1.0f, in.z);
ushort3 out = make_ushort3( ushort3 out = make_ushort3(
dclampf(rctx, 4095.0f, 0.299f * in.x + 0.587f * in.y + 0.114f * in.z), dclampf(rctx, 4095.0f, 0.299f * in.x + 0.587f * in.y + 0.114f * in.z),
dclampf(rctx, 4095.0f, -0.168736f * in.x - 0.331264f * in.y + 0.5f * in.z + 0.5f), dclampf(rctx, 4095.0f, -0.168736f * in.x - 0.331264f * in.y + 0.5f * in.z + 0.5f),