#version 420

// Shared vertex pass-through for ShaderEffect-based directional Gaussian
// blur (ports `EditorImageGaussianBlurDirectionV2Filter` from Android).
// The uniform block layout must match `direction_v2.frag` exactly so the
// Qt RHI backend can bind the same UBO to both stages.

layout(location = 0) in vec4 qt_Vertex;
layout(location = 1) in vec2 qt_MultiTexCoord0;
layout(location = 0) out vec2 textureCoordinate;

layout(std140, binding = 0) uniform buf {
    mat4 qt_Matrix;
    float qt_Opacity;
    float blurStep;
    float blurSigma;
    float blurRadiusF;
    float dirX;
    float dirY;
    float srcW;
    float srcH;
};

void main() {
    gl_Position = qt_Matrix * qt_Vertex;
    textureCoordinate = qt_MultiTexCoord0;
}