axmol/core/renderer/shaders/videoTextureYUY2.frag

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2023-07-17 20:51:28 +08:00
#version 310 es
precision highp float;
precision highp int;
layout(location = 0) in vec4 v_fragmentColor;
layout(location = 1) in vec2 v_texCoord;
layout(binding = 0) uniform sampler2D u_tex0; // Y sample
layout(binding = 1) uniform sampler2D u_tex1; // UV sample
layout(std140) uniform fs_ub {
mat4 colorTransform;
};
vec3 trasnformYUV(vec3 YUV)
{
YUV -= vec3(colorTransform[0].w, colorTransform[1].w, colorTransform[2].w);
return mat3(
colorTransform[0].xyz,
colorTransform[1].xyz,
colorTransform[2].xyz
) * YUV;
}
layout(location = 0) out vec4 FragColor;
void main()
{
vec3 YUV;
/* For dual sampler */
YUV.yz = texture(u_tex1, v_texCoord).yw;
YUV.x = texture(u_tex0, v_texCoord).x;
/* Convert YUV to RGB */
vec4 OutColor;
OutColor.xyz = trasnformYUV(YUV);
OutColor.w = 1.0;
FragColor = v_fragmentColor * OutColor;
}