mp/shaders/fragShader.frag

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2024-02-20 11:16:08 +08:00
#version 330 core
out vec4 FragColor;
in vec2 TexCoord;
uniform sampler2D textureY;
uniform sampler2D textureU;
uniform sampler2D textureV;
void main(){
vec3 yuv, rgb;
vec3 yuv2r = vec3(1.164, 0.0, 1.596);
vec3 yuv2g = vec3(1.164, -0.391, -0.813);
vec3 yuv2b = vec3(1.164, 2.018, 0.0);
yuv.x = texture(textureY, TexCoord).r - 0.0625;
yuv.y = texture(textureU, TexCoord).r - 0.5;
yuv.z = texture(textureV, TexCoord).r - 0.5;
rgb.x = dot(yuv, yuv2r);
rgb.y = dot(yuv, yuv2g);
rgb.z = dot(yuv, yuv2b);
FragColor = vec4(rgb, 1.0);
}