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Color conversion fixes and BT.2020 support (#723)

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Cameron Gutman 2023-01-07 21:28:47 -06:00 • committed by GitHub
commit 77d3a7e2ab
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 21 additions and 13 deletions
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4
src/platform/linux/cuda.cu
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@ -143,7 +143,7 @@ inline __device__ float2 calcUV(float3 pixel, const video::color_t *const color_
float v = dot(pixel, make_float3(vec_v)) + vec_v.w;
u = u * color_matrix->range_uv.x + color_matrix->range_uv.y;
v = (v * color_matrix->range_uv.x + color_matrix->range_uv.y) * 224.0f / 256.0f + 0.0625f;
v = v * color_matrix->range_uv.x + color_matrix->range_uv.y;
return make_float2(u, v);
}
@ -322,6 +322,8 @@ void sws_t::set_colorspace(std::uint32_t colorspace, std::uint32_t color_range)
color_p = &video::colors[2];
break;
case 9: // SWS_CS_BT2020
color_p = &video::colors[4];
break;
default:
color_p = &video::colors[0];
};

2
src/platform/linux/graphics.cpp
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@ -588,6 +588,8 @@ void sws_t::set_colorspace(std::uint32_t colorspace, std::uint32_t color_range)
color_p = &video::colors[2];
break;
case 9: // SWS_CS_BT2020
color_p = &video::colors[4];
break;
default:
BOOST_LOG(warning) << "Colorspace: ["sv << colorspace << "] not yet supported: switching to default"sv;
color_p = &video::colors[0];