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The YUV offset is 16 / 255, not 16 / 256

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This commit is contained in:
Alfred Reynolds 2014-07-03 10:22:12 -07:00
parent 744d4f02e6
commit 2748e28230
3 changed files with 13 additions and 11 deletions
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2
src/render/opengl/SDL_shaders_gl.c
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@ -133,7 +133,7 @@ static const char *shader_source[NUM_SHADERS][2] =
"uniform sampler2D tex2; // V \n"
"\n"
"// YUV offset \n"
"const vec3 offset = vec3(-0.0625, -0.5, -0.5);\n"
"const vec3 offset = vec3(-0.0627451017, -0.501960814, -0.501960814);\n"
"\n"
"// RGB coefficients \n"
"const vec3 Rcoeff = vec3(1.164, 0.000, 1.596);\n"