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Slightly simplify Metal shader

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This commit is contained in:
Cameron Gutman 2024-08-22 01:18:39 -05:00
parent df814fef4a
commit 9186feca80
1 changed files with 7 additions and 5 deletions
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12
app/shaders/vt_renderer.metal
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@ -25,8 +25,9 @@ fragment float4 ps_draw_biplanar(Vertex v [[ stage_in ]],
texture2d<float> luminancePlane [[ texture(0) ]], texture2d<float> luminancePlane [[ texture(0) ]],
texture2d<float> chrominancePlane [[ texture(1) ]]) texture2d<float> chrominancePlane [[ texture(1) ]])
{ {
float3 yuv = float3(luminancePlane.sample(s, v.texCoords).r * cscParams.bitnessScaleFactor, float3 yuv = float3(luminancePlane.sample(s, v.texCoords).r,
chrominancePlane.sample(s, v.texCoords).rg * cscParams.bitnessScaleFactor); chrominancePlane.sample(s, v.texCoords).rg);
yuv *= cscParams.bitnessScaleFactor;
yuv -= cscParams.offsets; yuv -= cscParams.offsets;
float3 rgb; float3 rgb;
@ -42,9 +43,10 @@ fragment float4 ps_draw_triplanar(Vertex v [[ stage_in ]],
texture2d<float> chrominancePlaneU [[ texture(1) ]], texture2d<float> chrominancePlaneU [[ texture(1) ]],
texture2d<float> chrominancePlaneV [[ texture(2) ]]) texture2d<float> chrominancePlaneV [[ texture(2) ]])
{ {
float3 yuv = float3(luminancePlane.sample(s, v.texCoords).r * cscParams.bitnessScaleFactor, float3 yuv = float3(luminancePlane.sample(s, v.texCoords).r,
chrominancePlaneU.sample(s, v.texCoords).r * cscParams.bitnessScaleFactor, chrominancePlaneU.sample(s, v.texCoords).r,
chrominancePlaneV.sample(s, v.texCoords).r * cscParams.bitnessScaleFactor); chrominancePlaneV.sample(s, v.texCoords).r);
yuv *= cscParams.bitnessScaleFactor;
yuv -= cscParams.offsets; yuv -= cscParams.offsets;
float3 rgb; float3 rgb;