private static Matrix4x4 ApplyBiasMatrix(Matrix4x4 proj, Matrix4x4 view)
{
    if (SystemInfo.usesReversedZBuffer)
    {
        proj.m20 = -proj.m20;
        proj.m21 = -proj.m21;
        proj.m22 = -proj.m22;
        proj.m23 = -proj.m23;
    }

    Matrix4x4 worldToShadow = proj * view;

    var textureScaleAndBias = Matrix4x4.identity;
    textureScaleAndBias.m00 = 0.5f;
    textureScaleAndBias.m11 = 0.5f;
    textureScaleAndBias.m22 = 0.5f;
    textureScaleAndBias.m03 = 0.5f;
    textureScaleAndBias.m23 = 0.5f;
    textureScaleAndBias.m13 = 0.5f;

    return textureScaleAndBias * worldToShadow;
}

half4 MainLightShadowsData; //light strength, shadowBias, normalBias

half4 _MainLightShadowDistanceFade; //max distance, fadeWidth, 0, 0,

half fade =  1.0 - saturate ((distance (IN.positionWS, _WorldSpaceCameraPos.xyz) - _MainLightShadowDistanceFade.x) / _MainLightShadowDistanceFade.y );
shadow = LerpWhiteTo(shadow, MainLightShadowsData.x * fade);

_mpb = context.renderGraphPool.GetTempMaterialPropertyBlock();
_mpb.SetVector(_filterID, _filter);
_mpb.SetTexture(_sourceTextureID, data.ColorSource);

cmd.SetRenderTarget( data.BlurPyramid[0], RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store);

cmd.ClearRenderTarget(RTClearFlags.ColorDepth, Color.clear);

cmd.DrawProcedural( Matrix4x4.identity, _bloomMaterial, 0, MeshTopology.Triangles,3, 1, _mpb);