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qcam: viewfinder_gl: Merge the semi-planar UV and VU shaders

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Use macros to select the U and V pattern, to avoid code duplication
between the two semi-planar shaders.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
This commit is contained in:
Laurent Pinchart
2020-09-13 01:04:20 +03:00
parent 0bc03960da
commit ae9e7fbf3a
4 changed files with 21 additions and 41 deletions
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src/qcam/viewfinder_gl.cpp
+12 -6
View File
@@ -106,32 +106,38 @@ bool ViewFinderGL::selectFormat(const libcamera::PixelFormat &format)
case libcamera::formats::NV12:
horzSubSample_ = 2;
vertSubSample_ = 2;
fragmentShaderFile_ = ":YUV_2_planes_UV.frag";
fragmentShaderDefines_.append("#define YUV_PATTERN_UV");
fragmentShaderFile_ = ":YUV_2_planes.frag";
break;
case libcamera::formats::NV21:
horzSubSample_ = 2;
vertSubSample_ = 2;
fragmentShaderFile_ = ":YUV_2_planes_VU.frag";
fragmentShaderDefines_.append("#define YUV_PATTERN_VU");
fragmentShaderFile_ = ":YUV_2_planes.frag";
break;
case libcamera::formats::NV16:
horzSubSample_ = 2;
vertSubSample_ = 1;
fragmentShaderFile_ = ":YUV_2_planes_UV.frag";
fragmentShaderDefines_.append("#define YUV_PATTERN_UV");
fragmentShaderFile_ = ":YUV_2_planes.frag";
break;
case libcamera::formats::NV61:
horzSubSample_ = 2;
vertSubSample_ = 1;
fragmentShaderFile_ = ":YUV_2_planes_VU.frag";
fragmentShaderDefines_.append("#define YUV_PATTERN_VU");
fragmentShaderFile_ = ":YUV_2_planes.frag";
break;
case libcamera::formats::NV24:
horzSubSample_ = 1;
vertSubSample_ = 1;
fragmentShaderFile_ = ":YUV_2_planes_UV.frag";
fragmentShaderDefines_.append("#define YUV_PATTERN_UV");
fragmentShaderFile_ = ":YUV_2_planes.frag";
break;
case libcamera::formats::NV42:
horzSubSample_ = 1;
vertSubSample_ = 1;
fragmentShaderFile_ = ":YUV_2_planes_VU.frag";
fragmentShaderDefines_.append("#define YUV_PATTERN_VU");
fragmentShaderFile_ = ":YUV_2_planes.frag";
break;
case libcamera::formats::YUV420:
horzSubSample_ = 2;