axmol/core/renderer/shaders/videoTextureNV12.frag

42 lines
938 B
GLSL

#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: LumaTexture
layout(binding = 1) uniform sampler2D u_tex1; // UV sample: ChromaTexture
layout(std140, binding = 0) 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;
YUV.x = texture(u_tex0, v_texCoord).w; // Y
YUV.yz = texture(u_tex1, v_texCoord).xy; // CbCr
/* Convert YUV to RGB */
vec4 OutColor;
OutColor.xyz = trasnformYUV(YUV);
OutColor.w = 1.0;
FragColor = v_fragmentColor * OutColor;
}