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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | /* YUV-to-RGBA Effect * Written by Ethan "flibitijibibo" Lee * * This effect is based on the YUV-to-RGBA GLSL shader found in SDL. * Thus, it also released under the zlib license: */sampler samp0 : register(s0);sampler samp1 : register(s1);sampler samp2 : register(s2);void VS(inout float2 tex : TEXCOORD0, inout float4 pos : SV_Position){ pos.w = 1.0;}float4 PS(float2 tex : TEXCOORD0) : SV_Target0{ const float3 offset = float3(-0.0625, -0.5, -0.5); const float3 Rcoeff = float3(1.164, 0.000, 1.596); const float3 Gcoeff = float3(1.164, -0.391, -0.813); const float3 Bcoeff = float3(1.164, 2.018, 0.000); float3 yuv; yuv.x = tex2D(samp0, tex).x; yuv.y = tex2D(samp1, tex).x; yuv.z = tex2D(samp2, tex).x; yuv += offset; float4 rgba; rgba.x = dot(yuv, Rcoeff); rgba.y = dot(yuv, Gcoeff); rgba.z = dot(yuv, Bcoeff); rgba.w = 1.0; return rgba;}Technique T{ Pass P { VertexShader = compile vs_3_0 VS(); PixelShader = compile ps_3_0 PS(); }} |
